A fastening tool comprises a driver member, a controller configured to control a supply of power from a power source to a motor and to initiate a drive cycle, a piston configured to travel between at least two positions in a compression cylinder, a drive assembly, a drive cylinder, and a valve assembly operatively connected with drive cylinder and the compression cylinder. The driver member is at least partially disposed within the drive cylinder for movement along a drive axis to drive a lead fastener into a workpiece. The piston is configured to engage with and open the valve assembly to release the buildup of air in the compression cylinder, due to the travel of the piston between the at least two positions in the compression cylinder, to the drive cylinder so as to move the driver member along the drive axis to drive the lead fastener into the workpiece.
A rotary impact tool includes a motor and an impact mechanism. The impact mechanism includes a cam shaft with a first cam groove rotatably driven by the motor, a cam ring received over the cam shaft with a second cam groove on its inner surface and a third cam groove on its outer surface, a hammer received over the cam ring with a fourth cam groove on its inner surface, an anvil with an output shaft and configured to be selectively engaged by the hammer, a spring configured to bias the hammer toward the anvil, a first ball received in the first and second cam grooves to couple the cam ring to the cam shaft, and a second ball received in the third and fourth cam grooves to couple the hammer to the cam ring.
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
A vacuum cleaning device including a housing having a dirty air inlet and a clean air outlet, a motor fan assembly mounted in the housing and configured to generate negative pressure airflow along an airflow path between the dirty air inlet and the clean air outlet, and a flexible air conduit in fluid communication between a motor fan outlet of the motor fan assembly and the clean air outlet. The flexible air conduit is configured to decouple vibrations generated from the motor fan assembly from the housing.
A47L 5/36 - Suction cleaners with hose between nozzle and casingSuction cleaners for fixing on staircasesSuction cleaners for carrying on the back
A47L 9/00 - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating actionStoring devices specially adapted to suction cleaners or parts thereofCarrying-vehicles specially adapted for suction cleaners
B23Q 11/00 - Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling workSafety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
A fastening tool having a stationary member that can guide the tip of a driver blade along a drive track and can prevent the driver blade from becoming dislodged from the drive track when driver member is in the home position.
A drill system including a drill and a secondary computing device. The drill includes a housing, a controller, a wireless transceiver, a motor, and a chuck. The motor, the controller and the wireless transceiver are housed in the housing. The chuck is selectively driven by the motor. The secondary computing device includes a wireless transceiver which allows wireless communication between the drill and the secondary computing device. The secondary computing device further includes a user interface configured to allow an operator to change operating parameters of the drill. The operating parameters are configured to be automatically reset.
B23B 45/02 - Hand-held or like portable drilling machines, e.g. drill gunsEquipment therefor driven by electric power
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B25B 23/14 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
G05B 19/408 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by data handling or data format, e.g. reading, buffering or conversion of data
A fastener driver comprises a hexalobular shaped head that includes a front portion, a rear portion, and a curved intermediate portion disposed between the front portion and the rear portion. Protrusions and recesses extend along a first axial length of the front portion substantially parallel to the longitudinal axis, such that at least one of the apex diameter or the root diameter remain substantially constant along the first axial length. The protrusions and recesses extend along a second axial length of the rear portion and taper away from the longitudinal axis as they extend longitudinally toward the first end, wherein at least one of the apex diameter or the root diameter increase linearly toward the first end along the second axial length of the second portion. The protrusions and the recesses curve away from the longitudinal axis from the front portion to the rear portion in a concave manner.
An inflator includes a housing, a handle formed by the housing, a motor housed in the housing, a trigger configured to activate the motor, an inlet having an inlet axis that is generally parallel or concentric with a longitudinal axis of the motor, an outlet which is transverse to the inlet and a fan configured to draw air in through the inlet and blow air out through the outlet. The inlet is generally transverse to the handle. The position of the outlet is rotatable relative to the handle.
A vacuum cleaner device comprises a collection tank portion and a suction head portion with a motor fan assembly configured to generate an airflow along an airflow path extending between a dirty air inlet and a clean air outlet. A separator plate is mountable between the collection tank portion and the suction head portion. The separator plate is configured to receive a first module insert or a second module insert.
A47L 5/36 - Suction cleaners with hose between nozzle and casingSuction cleaners for fixing on staircasesSuction cleaners for carrying on the back
A47L 7/00 - Suction cleaners adapted for additional purposesTables with suction openings for cleaning purposesContainers for cleaning articles by suctionSuction cleaners adapted to cleaning of brushesSuction cleaners adapted to taking-up liquids
A power tool including a housing and a motor mounted in the housing and operatively connected to a tool holder arranged to hold a cutting tool bit. At least one guide post has a longitudinal axis slidably mounted to the housing such that the housing is moveable in a direction parallel with the longitudinal axis between a retracted position and a plunged position. A base portion is fixed to the at least one guide post and a slide bearing is mounted between the housing and the at least one guide post. The slide bearing is slidable with respect to the at least one guide post when the housing moves between the retracted position and the plunged position. The slide bearing includes at least one dampening element arranged to dampen movement of the at least one guide post with respect to the housing in a direction perpendicular to the longitudinal axis.
An impact tool includes a controller configured to control power being delivered to the and operable in one of: (a) a normal mode where the controller allows power to be delivered to the motor so that the impact mechanism transitions from operation in the rotary mode to operation in the impacting mode when an output torque exceeds a normal transition torque; and (b) a control mode where the controller controls power being delivered to the motor so that the impact mechanism transitions from operation in the rotary mode to operation in the impacting mode when an output torque exceeds a control transition torque that is greater than the normal transition torque.
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
A power-driven tool may include a clutch mechanism selectively provides for engagement between and transmission mechanism and an output mechanism of the tool. The clutch mechanism may include a variable rate, or a dual rate biasing mechanism. mechanism that transmits power from a motor to an output device. A speed selection mechanism may be coupled to the transmission mechanism, to control a speed reduction through the transmission mechanism, and an output speed of the tool. The transmission mechanism may employ a compound, stepped, planetary gear assembly, to provide for an axially compact arrangement of transmission mechanism components, to reduce an axial length of the tool. The speed selection mechanism may employ a multi-staged grounding device, corresponding to the reduced axial length of the transmission mechanism.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
According to examples, a backpack power equipment may include a power equipment, a base frame to be worn on a user's back, a connecting member connecting the power equipment to the base frame about an axis at a first height from a bottom of the base frame, a motor controller module mounted to the base frame, and a battery management module mounted to the base frame. The motor controller module and the battery management module are both positioned above the first height. By positioning the motor controller module and the battery management module above the first height, more of the weight may be at a higher position, which may enable a user to maintain a more upright posture during use, which may improve ergonomics of the backpack power equipment disclosed herein.
A45F 3/00 - Travelling or camp articlesSacks or packs carried on the body
F04D 19/00 - Axial-flow pumps specially adapted for elastic fluids
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
F04D 29/66 - Combating cavitation, whirls, noise, vibration, or the likeBalancing
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
13.
STALL DETECTION IN FIELD-ORIENTED SENSORLESS MOTOR CONTROL
A controller for operating a brushless motor comprising a stator and a rotor is configured to: operate a sliding-mode observer (SMO) process detect an angular position of the rotor; predict an occurrence of a stall condition based on at least one of a rotational speed of the rotor or the phase current of the motor; operate a high-frequency injection (HFI) process in response to predicting the occurrence of the stall condition to determine the angular position of the rotor; determine whether the stall condition has occurred; and transition from the SMO process to the HFI process in response to the determination of the stall condition has occurred. In an embodiment, a power tool is provided including a motor and a controller as described above.
H02P 21/02 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for optimising the efficiency at low load
B25F 5/02 - Construction of casings, bodies or handles
H02P 21/00 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
H02P 21/13 - Observer control, e.g. using Luenberger observers or Kalman filters
A method of operating a tool is provided for applying fasteners to a workpiece. The method includes energizing a motor to operate the flywheel; applying a first electric pulse to a driver actuator to transitionally drive a driver actuator along a drive axis to drive a lead fastener into a workpiece; energizing the motor for at least a portion of a time following the first electric pulse and prior to a second electric pulse; applying a second electric pulse to a feed actuator to present a subsequent lead fastener into a nosepiece assembly; deenergizing the motor or reducing a supply of electrical energy to the motor for at least a portion of a time during the second electric pulse; and reenergizing the motor after the second electric pulse.
The present disclosure is directed to a cordless power tool vibration isolation system. A solution to negative impacts of vibration on a removable battery pack caused by operation of a cordless power tool. Isolating the battery pack from the power tool reduces wear and tear on the battery pack including the pack housing, the pack terminals and internal pack components. A battery pack interface of the power tool including a discrete interface housing that mates with the battery pack and a vibration isolation element that separates and isolates the combination of the discrete interface housing and the battery pack from the power tool and the power tool's associated motor induced vibrations.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H01M 50/242 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
17.
REGENERATIVE BRAKING CURRENT CONTROL IN POWER TOOL
A power tool is provided including: a tool housing; a motor disposed within the tool housing; a battery receptacle arranged to be coupled to a battery pack having a rated capacity; a power switch circuit disposed between the battery receptacle and the motor; and a controller that controls the power switch circuit to drive the motor. The controller is configured to: determine or receive a pack ID associated with the rated capacity of the battery pack; set a braking profile for electronically braking the motor based on the pack ID; and apply an electronic brake to the motor in accordance with the set braking profile upon detection of an event associated with stoppage of the motor.
H02P 3/14 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a DC motor by regenerative braking
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02P 4/00 - Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies
The present invention discloses a hanger accessory for use with a rail based hanger system. The hangar accessory includes a bracket mountable on the rail and arranged to slide between a first rail position and a second rail position. The hangar element also includes a hanger element fixed to the bracket and arranged to hold an object when the hanger accessory is mounted on the rail. Also included is a locking mechanism mounted on the bracket and moveable between an unlocked position wherein the bracket is detachable from the rail and a locked position wherein the bracket is not detachable from the rail. The locking mechanism includes a first engagement surface configured to engage a bracket surface, and a second engagement surface configured to engage a rail surface when the locking mechanism is in the locked position such that the bracket is slidable between the first rail position and the second rail position.
A47F 5/08 - Show stands, hangers, or shelves characterised by their constructional features secured to the wall, ceiling, or the likeWall-bracket display devices
An exemplary noise reducing device for reducing the noise of sound waves propagating through a fluid includes a housing; a primary flow path within the housing configured to receive a first portion of the fluid; and at least one phase shifting flow path within the housing configured to receive a second portion of the fluid, wherein the first portion of the fluid flowing through the primary flow path produces a first sound wave, and wherein the second portion of the fluid flowing through the phase shifting flow path produces a second sound wave out of phase relative to the first sound wave at a target frequency, such that the first sound wave destructively interferes with the second sound wave to reduce noise of the first and second sound waves.
F01N 1/06 - Silencing apparatus characterised by method of silencing by using interference effect
G10K 11/175 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound
An exemplary noise reducing device for reducing the noise of sound waves propagating through a fluid includes a housing; a primary flow path within the housing configured to receive a first portion of the fluid; and at least one phase shifting flow path within the housing configured to receive a second portion of the fluid, wherein the first portion of the fluid flowing through the primary flow path produces a first sound wave, and wherein the second portion of the fluid flowing through the phase shifting flow path produces a second sound wave out of phase relative to the first sound wave at a target frequency, such that the first sound wave destructively interferes with the second sound wave to reduce noise of the first and second sound waves.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
A power tool stand comprises a base; a projecting frame connected to the base; and a power tool carriage moveably mounted on the projecting frame. The power tool carriage comprises a first interface arranged to electrically connect with a removeable power tool and a second interface in electrical connection with the first interface and arranged to electrically connect with a removeable battery.
B25H 1/00 - Work benchesPortable stands or supports for positioning portable tools or work to be operated on thereby
B23B 39/10 - General-purpose boring or drilling machines or devicesSets of boring or drilling machines characterised by the drive, e.g. by fluid-pressure drive, pneumatic power drive
A miter saw may include a base assembly. A miter saw may include a rotatable table rotatably connected to the base assembly. A miter saw may include a pivot arm pivotally attached to the rotatable table. A miter saw may include a saw assembly supported by the pivot arm, where the saw assembly may include: a drive unit having a plurality of electric motors, a transmission coupled to the drive unit through a master gear, and a blade that is rotatably driven by the drive unit and the transmission.
B23D 45/04 - Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever
B23D 47/12 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
B27B 5/29 - Sawing machines working with circular saw bladesComponents or equipment therefor DetailsComponent partsAccessories
A portable flashlight apparatus is provided that is lightweight and compact to provide enhanced illumination in an ambient environment when placed in one of a plurality of operating modes. The portable flashlight apparatus includes a base housing defining an interior space and which includes structurally defined regions that include a front housing region, a rear housing region, an intermediate housing region extending between the front housing region and the rear housing region and an end cap that closes the interior space at the rear housing region. A light module includes a first light source operable to emit illuminating light, a second light source operable to emit laser light, and a third light source operable to emit illuminating light. A magnet are arranged at the rear face of the end cap, and is operable to magnetically bias the base housing on a working surface or support surface having magnetic properties.
F21L 4/02 - Electric lighting devices with self-contained electric batteries or cells characterised by provision of two or more light sources
F21L 4/08 - Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
A power-driven impact tool is provided. The impact tool includes a motor, a transmission, and a rotary impact mechanism received in a housing. The transmission may be a planetary transmission that reduces a speed of a rotary force output by the motor. The impact tool may be a cordless impact tool, receiving power from a battery back that is removably coupled in a battery receptacle of the housing. First and second handles on the housing may provide for user stability and control during operation of the impact tool. A plurality of user selection devices, including a trigger, a forward/reverse switch, and a mode selector, may be provided on one of the handles for user control of the impact tool.
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
H02P 5/747 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more AC dynamo-electric motors mechanically coupled by gearing
H02K 16/00 - Machines with more than one rotor or stator
H02P 5/69 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more DC dynamo-electric motors mechanically coupled by gearing
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
A power tool system includes a base having a top surface, a bottom surface, and an opening between the top surface and the bottom surface. The power tool system includes a support structure passing through the opening in the base, the support structure having a first end and a second end, a power-driven tool positioned above the top surface of the base and mounted to the first end of the support structure, and a moving mechanism disposed below the top surface of the base and coupled to the second end of the support structure.
B23D 45/02 - Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage
B27B 5/18 - Saw benches with feedable circular saw blade, e.g. arranged on a carriage
B23D 47/12 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
B27B 9/04 - Guiding equipment, e.g. for cutting panels
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
B23D 47/02 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of framesSawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of guiding arrangements for work-table or saw-carrier
B27G 19/08 - Accessories for keeping open the saw kerf, e.g. riving knives or wedge plates
A hand-held power tool is configured to receive an input indicative of a clutch setting for an electronic clutch from the tool operator, where the clutch setting is selectable from a drill mode, an automated drive mode and one or more user-defined drive modes. Each of the user-defined drive modes specifies a different value of torque at which to interrupt transmission of torque to the output spindle. In an automated drive mode, the controller interrupt torque to the output spindle in an automated manner when a fastener being driven reaches a desired stopping position. In a selected one of the user-defined drive modes, the controller sets a value of a maximum current threshold in accordance with the selected one of the user-defined drive modes and interrupts torque to the output spindle when current measures exceeding the maximum current threshold.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B23Q 5/10 - Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25F 5/02 - Construction of casings, bodies or handles
28.
PORTABLE ELECTRIC POWER TOOL FOR BENDING ELONGATE OBJECTS
A portable electric power tool for bending elongate objects includes an electric motor, a bender having a body portion and a bending portion which is axially moveable relative to the body portion. The bender is operatively coupled to the electric motor for causing the axial movement between a home position and a retracted position for causing force to be applied by the bender at different locations along the length of the elongate object for bending the elongate object; a home position sensor for generating output indicative that the bending portion has reached the home position during a reset stage of operation and a controller for receiving motor turn information indicative of the number of turns of the electric motor and for monitoring the axial position of the bending portion based on the motor turn information and the output generated by the home position sensor.
An electric power tool for bending elongate objects including an electric motor having a motor output shaft, a bend mechanism having a support portion and a bias portion which is operatively coupled to the motor output shaft via a transmission of the tool which in use causes linear relative movement between the bias portion and the support portion, wherein such linear relative movement in a first direction causes force to be applied by the bend mechanism to the elongate object at different locations along the length of the elongate object for bending the elongate object in a first direction, the bend mechanism configured such that linear relative movement in a second, opposite, direction between the bias portion and the support portion causes force to be applied by the bend mechanism to the elongate object for bending the elongate object in a second direction.
A power tool includes a motor, a power interface facilitating a connection to a power source, semiconductor switches configured as a bridge circuit to modulate a supply of power from the power interface to the motor, an input unit configured to output a variable-voltage signal based on a position of a trigger switch, and a controller. The controller control the supply of power to the electric motor by applying a pulse-width modulated (PWM) signal to a first semiconductor switch and applying a synchronously-rectified signal to a second semiconductor switch based on the variable-voltage signal.
H02P 7/03 - Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
A power tool comprises a housing, a motor mounted in the housing, a battery electrically connected to the motor, a first handle mounted to the housing, and at least one wireless communication module configured to communicate with at least one external device. The wireless communication module is mounted in the first handle. This configuration allows for improved communication with external devices and reduced interference from the motor's electromagnetic field.
A socket driving tool includes a housing, a motor received in the housing, a rotating output shaft supported by and rotatable relative to the housing upon rotation of the motor, a socket retainer coupled to the rotating shaft to releasably couple a socket to the rotating shaft, and a socket release actuator coupled to the housing and including a switch that does not rotate together with the rotating shaft. The switch is operable to disengage the socket retainer from the socket to allow the socket to be removed from the rotating shaft.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/00 - Details of, or accessories for, spanners, wrenches, screwdrivers
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
H01H 36/00 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
A circular saw includes an upper blade housing and a lower blade guard coupled to the upper blade housing. The lower blade guard rotates about an axis and includes a guide track. The circular saw includes a lever having a guide track engaging end and a user engaging end. The lever is coupled to the upper blade housing at a lever pivot point positioned between the guide track engaging end and the user engaging end. The guide track engaging end includes a contact member configured to engage the guide track to rotate the lower blade guard.
A fastening tool having a driver member having a driver body that is configured to overlap the magazine assembly in a direction parallel to the drive axis during a drive stroke of a drive cycle.
Certain embodiments provide a power tool comprising a motor including a flywheel, an inertial measurement unit (IMU) configured to output IMU data, and a controller coupled to the motor and the IMU. The controller is configured to process the IMU data to generate processed IMU data, detect, based on the processed IMU data, whether the power tool has been moved in a pickup motion that is associated with an imminent use of the power tool, and increase a speed of the motor to a target speed in response to the detection.
A portable music device includes a housing, at least one speaker, one or more processors, a power tool battery pack removeably connectable to the housing and powering the at least one speaker and the one or more processors, a first communication device located within the housing for wireless communication with a power tool, a second communication device located within the housing for communication with a server, and one or more computer-readable media storing instructions. The instructions cause the one or more processors to perform operations comprising: receive information wirelessly from the power tool via the first communication device; and transmit the information in relation to the power tool to the server via the second communication device.
A power tool accessory includes a housing having a rear end portion and front end portion; an input shaft at least partially received in the rear end portion, extending along an axis, and configured to be coupled to a tool holder of a rotary power tool; a threaded shaft received in the housing and rotationally driven by the input shaft; a blade holder configured to move along the axis upon rotation of the threaded shaft; and a cutting blade configured to be retained by the blade holder. A workpiece holder is coupled to the front end portion of the housing and is configured to hold an elongated member. Upon rotation of the input shaft, the threaded shaft rotates, causing the blade holder to move axially toward the front end portion of the housing, causing the blade to move at least partially into the workpiece holder to cut the elongated workpiece.
A power tool is provided including a housing including a first housing half and a second housing half mating together along a mating plane, and an electric motor disposed within the housing. The electric motor includes a stator having a plurality of stator windings, a rotor shaft extending within the stator along a longitudinal axis, a rotor having a plurality of magnets and mounted on the rotor shaft within the stator, and a bearing support structure located adjacent the stator to support a bearing mounted on the rotor shaft. At least one retention clip is radially mounted on the electric motor to retain the stator relative to the bearing support structure.
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/02 - Construction of casings, bodies or handles
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
A miter saw has a base having a detent notch, a table rotatably connectable to the base, a pivoting assembly connected to the table, and a saw assembly supported by the pivoting assembly. The saw assembly has a blade movable downwardly for a cutting operation. A locking mechanism is disposed on the table. The locking mechanism is movable between an unlocked position and a locked position for selectively unlocking and locking the table for rotational movement relative to the base about the miter axis. The locking mechanism has a lock lever rotatably connected to the table. The lock lever has a handle for moving locking mechanism between the locked and unlocked positions. The saw also has a miter detent assembly for selectively engaging and disengaging the detent notch.
B27B 27/06 - Guide fences or stops for timber in saw mills or sawing machinesMeasuring equipment thereon arranged angularly with respect to the plane of the saw blade, e.g. for mitring
B23D 45/04 - Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever
B23D 47/02 - Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of framesSawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of guiding arrangements for work-table or saw-carrier
An accessory device for a power-driven tool is provided. The accessory device includes a cable stripping tool to which adjustable, universal bushings can be coupled, to accommodate a plurality of differently configured cables. The adjustable, universal bushings provide for adjustment to accommodate different cable diameters/wire gauges, and for adjustment of a blade position to accommodate different insulation material thicknesses. The accessory device includes a transmission that provides sufficient speed reduction and corresponding increase in output torque to provide for cable stripping functionality.
H02G 1/12 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
According to examples, a power equipment may include a controller, a motor to actuate a work implement, a first element, a second element housing the motor, in which the first element is rotatably mounted to the second element. The power equipment may also include a first sensor positioned to detect an orientation of the first element and a second sensor positioned to detect an orientation of the second element. The first sensor outputs a first signal corresponding to the detected orientation of the first element to the controller and the second sensor outputs a second signal corresponding to the detected orientation of the second element to the controller. In addition, the controller may enable or disable the motor based on both the first signal and the second signal.
A power tool is provided including a tool housing, a motor housing, and a brushless DC motor including a stator and a rotor received within the motor housing. The stator includes a stator lamination stack, an end insulator, and stator terminals supported by the end insulator. A power circuit board including power switching elements is mounted adjacent the motor housing, and tab portion of the stator terminals extend through openings of the motor housing and are physically and electrically coupled with the circuit board.
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/38 - Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 9/04 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
Certain embodiments provide an auxiliary wireless device for a power tool that includes a body, a wireless communication unit (WCU), an inertial measurement unit (IMU), and a controller. The body is removably attachable to a housing of a power tool. The WCU includes a wireless transceiver. The IMU is configured to output IMU sensor data including at least one of 3-axis acceleration data and 3-axis angular rate data. The controller is configured to determine a loaded operational time of the power tool over a time period based on the IMU sensor data, determine a cumulative loaded operational time of the power tool over a cumulative time period based on loaded operational times for a number of time periods, and send the cumulative loaded operational time to the WCU for transmission to a remote device. The power tool is activated in a loaded condition during the loaded operational time.
B25F 5/02 - Construction of casings, bodies or handles
G01C 21/16 - NavigationNavigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigatedDead reckoning by integrating acceleration or speed, i.e. inertial navigation
G01P 15/18 - Measuring accelerationMeasuring decelerationMeasuring shock, i.e. sudden change of acceleration in two or more dimensions
A battery charging system including at least two conductors running parallel to one another, an AC/DC converter, the AC/DC converter configured to receive an AC input and to provide a DC output to the at least two conductors and a battery charger, the battery charger (1) including a battery pack receiving portion to receive a removable, rechargeable battery pack and (2) removably, electrically coupled to the at least two conductors to receive the DC output.
A47F 5/08 - Show stands, hangers, or shelves characterised by their constructional features secured to the wall, ceiling, or the likeWall-bracket display devices
A system is provided with a set of removable battery packs and a set of power tools each including a motor, a controller, and a battery receiving portion. For each power tool, the controller is configured to identify a type of battery pack coupled to the battery receiving portion and set a conduction band associated with phases of the motor or an advance angle by which phases of the motor are shifted based on the identified type of the battery pack.
A power tool includes a housing, a motor, an output spindle, a rotary impact assembly configured to transmit rotational motion with intermittent rotational impacts from a cam shaft to the output spindle, and a transmission.
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
An outer-rotor motor for a hand-hold tool includes a stator assembly (3000) including: - a stator body having an annular body with a plurality of teeth projecting radially outward from the annular body, -an insulator (3300) coupled to said stator and including an annular portion and terminal support posts (3320) extending axially, - a plurality of terminals (3200) having a body portion (3210) mounted on one of the insulator terminal support posts (3320) each and a tang (3230) extending proximate an inner surface of said body portion (3210) facing radially inward, - at least one wire (3700) wound around said plurality of teeth forming a plurality of coils, wherein cross-over portions of said wire (3700) pass over said inner surface of said body portion (3210) between the tang and the body portion of the terminal and - a circuit board (3100) coupled to said terminals.
H02K 29/08 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates or magneto-resistors
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
A power tool stand includes a base and a frame connected to the base. A power tool carriage is mounted on the frame. A tool interface is mounted on the power tool carriage and arranged to secure a removeable power tool. The power tool carriage comprises at least one duct configured to convey a fluid. The tool interface includes a moveable fluid connector in fluid communication with the at least one duct wherein the moveable fluid connector is configured to move from a first position to a second position.
A tool operable to expand an end of a pipe, such as copper tubing, has a cylindrical jaw assembly with semi-cylindrical jaws movable between a closed position and an expanded position and rotatable about a longitudinal axis. A motor drives an output spindle driven by the motor, which in turn drives a radial cam. A wedge is movable by the radial cam in a reciprocating motion along the axis, causing the wedge to move between a first position where the jaws are in the closed position and a second position where the jaws are in the expanded position. A rotating ring is mounted on the wedge and connected to the jaws. The rotating ring is driven by the output spindle for rotating the jaws about the axis.
A power tool system includes a removable battery pack a first tool and a second tool. The first tool includes a first base housing that is selectively engageable with the removable battery pack and a first tool portion connected to the first base housing by a first connecting section. The second tool includes a second base housing that is selectively engageable with the removable battery pack and a second tool portion connected to the second base housing by a second connecting section. The second tool base housing houses a second controller that provides a proportional power delivery system for the second tool and second tool base housing also includes a second actuator for providing user control of the second tool.
B25F 5/02 - Construction of casings, bodies or handles
B05C 17/005 - Hand tools or apparatus using hand-held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material through an outlet orifice by pressure
B25F 3/00 - Associations of tools for different working operations with one portable power-drive meansAdapters therefor
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
F21L 4/04 - Electric lighting devices with self-contained electric batteries or cells characterised by provision of a light source housing portion adjustably fixed to the remainder of the device
H01M 50/20 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
H01M 50/284 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with incorporated circuit boards, e.g. printed circuit boards [PCB]
An electric motor is provided including an inner rotor, an outer stator, a first end cap formed on a first side of the stator, a second end cap formed on a second side of the stator and secured to the first end cap to form a compartment around the stator and the rotor, and motor wires electrically coupled to stator windings and extending out of the compartment through a wire lid. A terminal box is mounted to the wire lid to receive the motor wires, and it includes a box base fastened to the second end cap and forming a first sealed coupling to the wire lid, and a cover that makes a second sealing coupling with the box base. The terminal box receives a plurality of power wires external to the electric motor and electrically couples them to the motor wires within the box base.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
A concrete installation system includes a battery pack having a stored energy of at least 1900 kJ and a ratio of stored energy to a volume of the cell holder subassembly of at least 800 kJ/L; a battery charger; a compacting tool configured to exert a compacting force of at least 10 kN for at least 25% of a charge time duration; a concrete vibrator configured to vibrate with a vibration frequency of at least 170 Hz and a median vibration amplitude of at least 0.5 mm for at least 50% of the charge time duration; and a screed configured to cause a beam to have an acceleration of at least 25 m/s2 for at least 50% of the charge time duration.
H01M 50/202 - Casings or frames around the primary casing of a single cell or a single battery
H01M 50/204 - Racks, modules or packs for multiple batteries or multiple cells
H01M 50/244 - Secondary casingsRacksSuspension devicesCarrying devicesHolders characterised by their mounting method
H01M 50/296 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by terminals of battery packs
B25F 3/00 - Associations of tools for different working operations with one portable power-drive meansAdapters therefor
H01M 50/20 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders
H01M 50/258 - Modular batteriesCasings provided with means for assembling
A portable fluid tank system can include a mounting assembly for secure and adaptable attachment to external docking assemblies. The portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a fluid actuation system for controlled fluid movement and pressurization. An electronics housing within the portable fluid tank system can accommodate a removable energy storage device, providing power to the actuation system. The mounting assembly can include a first engagement member on the fluid tank, configured to mechanically engage with a complementary second engagement member on an external docking assembly. This engagement facilitates the secure attachment of the portable fluid tank system to the docking assembly. The mounting assembly can include a mounting frame, contoured to match the exterior geometry of the fluid tank and extend around its periphery.
B65D 21/02 - Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
B28D 7/02 - Accessories specially adapted for use with machines or devices of the other groups of this subclass for removing or laying dust, e.g. by spraying liquidsAccessories specially adapted for use with machines or devices of the other groups of this subclass for cooling work
B65D 1/22 - Boxes or like containers with side walls of substantial depth for enclosing contents
A portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a fluid actuation system for controlled fluid movement and pressurization. An electronics housing within the portable fluid tank system can accommodate a removable energy storage device, providing power to the actuation system. The portable fluid tank system can include an integrated spill face that has an annular rim defining an aperture for fluid transfer into or out of the fluid tank. An upper segment of the rim can be elevated and closer to the housing, guiding fluid overflow away from the electronics housing and thus the electronics. A lower segment of the rim can serve as an egress point during overflows.
B28D 7/02 - Accessories specially adapted for use with machines or devices of the other groups of this subclass for removing or laying dust, e.g. by spraying liquidsAccessories specially adapted for use with machines or devices of the other groups of this subclass for cooling work
B65D 1/22 - Boxes or like containers with side walls of substantial depth for enclosing contents
B65D 21/02 - Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
A portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a fluid actuation system for controlled fluid movement and pressurization. An electronics housing within the portable fluid tank system can accommodate a removable energy storage device, providing power to the actuation system. The portable fluid tank system can include a battery compartment housing suitable for holding a removable energy storage device. The housing can define an opening for inserting the removable energy storage device therein. A battery compartment cover, capable of removably sealing the opening, can be pivotably joined to the housing by a biasing element. The biasing element can apply a force that biases the cover towards a closed position. To open the cover, a user can exert effort against the biasing force. Once released, the cover can automatically return to the closed position due to the biasing element.
H01M 50/271 - Lids or covers for the racks or secondary casings
B05B 9/04 - Spraying apparatus for discharge of liquid or other fluent material without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible containerSpraying apparatus for discharge of liquid or other fluent material without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pump
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
65.
Portable Fluid Tank System with Multi-State Control Interface and Remote Operation
A portable fluid tank system can include wireless control capabilities. The portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a fluid actuation system for controlled fluid movement and pressurization. An electronics housing within the portable fluid tank system can accommodate a removable energy storage device, providing power to the actuation system. The portable fluid tank system can include a multi-state control interface, facilitating direct user interaction or remote operation via a wireless communication module. The module can receive and execute commands from a remote transmitting device, enabling remote activation and control of the fluid actuation system.
A portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a fluid actuation system for controlled fluid movement and pressurization. An electronics housing within the portable fluid tank system can accommodate a removable energy storage device, providing power to the actuation system. The portable fluid tank system can include a multi-handle structure, with a first handle positioned proximate a top portion of the system and a second handle positioned proximate a side portion of the fluid tank.
A portable fluid tank system can include a fluid tank with an internal volume for fluid storage and a diaphragm pump for fluid pressurization and conveyance. The diaphragm pump can include a body defining a chamber that is in communication with the internal volume of the fluid tank, and a flexible diaphragm for pressure modulation. The portable fluid tank system can include an electronics housing to accommodate a removable energy storage device for providing power to the diaphragm pump.
B28D 7/02 - Accessories specially adapted for use with machines or devices of the other groups of this subclass for removing or laying dust, e.g. by spraying liquidsAccessories specially adapted for use with machines or devices of the other groups of this subclass for cooling work
A rotary cutting tool includes a battery pack receptacle, a handle, a motor, a blade driven by the motor, a blade guard surrounding the blade and a shoe. The shoe includes a base and an attachment portion. The base abuts a workpiece and provide a depth of cut. The attachment portion is perpendicular to the base. The attachment portion is welded to the base.
A reciprocating power tool includes a transmission that converts rotational force from a motor to linear forces output by a reciprocating device and a counterbalancing device. The transmission is a parallel axis transmission including a first gear portion and a second gear portion formed on a gear shaft, with the first gear portion and the second gear portion rotating together about a first rotational axis. The first gear portion rotates a first output gear and the second gear portion rotates a second output gear about a second rotational axis that is parallel to and offset from the first rotational axis. The first output gear drives the reciprocating device and the second output gear drives the counterbalancing device. The reciprocating device reciprocates linearly and the counterbalancing devices performs a linear reciprocating movement that is opposite that of the reciprocating device to counterbalance forces generated by operation of the reciprocating device.
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
B23D 51/16 - Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular partsCarrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of drives or feed mechanisms for straight tools, e.g. saw blades, or bows
F16F 15/28 - CounterweightsAttaching or mounting same
A rotary cutting tool includes a battery pack receptacle, a handle, a motor, a cutting wheel driven by the motor, a blade guard surrounding the cutting wheel and a shoe. The shoe includes a base and an attachment portion. The base abuts a workpiece and provide a depth of cut. The attachment portion is perpendicular to the base. The attachment portion is welded to the base.
The present disclosure is directed to a battery pack including a battery pack housing and a core pack within the battery pack housing. The core pack may include a cell holder and a plurality of battery cells held in place by the cell holder. The battery pack also includes a gap pad. The gap pad is affixed to the core pack. The gap pad may be positioned between the core pack and the battery pack housing. The gap pad may include a plurality of predefined bend lines to enable the gap pad to be bent or partially folded about the core pack.
H01M 50/291 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
H01M 50/211 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
H01M 50/258 - Modular batteriesCasings provided with means for assembling
A brushless direct-current (BLDC) motor for a power tool outputs a maximum power output in the range of approximately 450 to 950 watts and a continuous power output in the range of approximately 400 to 730 watts over a discharge cycle of the battery pack when the battery pack has a maximum voltage of approximately 20 volts and a capacity of approximately 5 amp·hours. The motor includes a rotor with an outer diameter that is less than or equal to approximately 16 mm. A ratio of the maximum power output of the motor to a length of the motor is in the range of approximately 8.5 to 17.5 W/mm.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 11/00 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 11/38 - Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
A method of operating a power tool having a motor and a controller is provided. The method includes: setting a protection parameter associated with an anti-kickback protection of the power tool; and taking protective action to shut down the motor if a condition of the motor meets a criterion associated with the protection parameter. The protection parameter is set to a first value during a start-up mode of operation to allow an output speed of the motor to ramp up until the output speed of the motor reaches or exceeds a speed threshold, and the protection parameter is set to a second value different from the first value during a normal mode of operation after the output speed of the motor reaches or exceeds the speed threshold.
H02H 7/08 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02P 15/00 - Arrangements for controlling dynamo-electric brakes or clutches
A power tool includes an electrostatic clutch assembly disposed between a motor and an end effector. A control circuit causes a first voltage to be applied to a first electrode of the electrostatic clutch assembly and a second voltage to be applied to a second electrode of the electrostatic clutch assembly, the first voltage being different from the second voltage, generating a first attractive force between the first and second electrodes, causing a shaft and a clutch housing to be coupled to each other when a torque on one of the shaft or the clutch housing is less than or equal to a first threshold value, and allowing the one of the shaft or the clutch housing to rotationally slip relative to the other of the shaft or the clutch housing when the torque on the one of the shaft or the clutch housing exceeds the first threshold value.
H02N 13/00 - Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
B25B 21/02 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose with means for imparting impact to screwdriver blade or nut socket
B25B 23/145 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
75.
SYSTEMS AND METHODS FOR HEATING A POWER-TOOL BATTERY PACK TO ENABLE CHARGING
Heating a battery pack for a power tool may be required to accelerate a charging time, especially in cold environments. Not all battery packs of a set of battery packs will heat at the same rate because of differences due to physical (e.g., mass) and electrical (e.g., AC resistance) differences. The disclosed approach includes determining an amplitude of an AC heating current based on characteristics of the battery pack attached to a charger so that all the battery packs in the set of battery packs may be heated at roughly the same rate regardless of their individual characteristics. The disclosure describes how this approach may be implemented in a variety of different charging scenarios.
H01M 10/633 - Control systems characterised by algorithms, flow charts, software details or the like
H01M 10/651 - Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
H01M 10/6563 - Gases with forced flow, e.g. by blowers
The present directed to a cordless power tool system including a plurality of cordless power tools, a plurality of fixed voltage and multi-voltage battery packs and a plurality of battery pack chargers. The battery packs include a battery strap coupling a printed circuit board to a plurality of battery cells. The battery strap including a first portion and a second portion. The battery strap first portion is made of a first material and the battery strap second portion is made of a second portion that is different than the first material. The first portion of the battery strap may include a fuse.
H02P 23/14 - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
77.
COOKING APPARATUS OPERATIONAL WITH DIFFERENT FUEL SOURCES
A cooking apparatus comprising an oven. The oven includes a cooking chamber and an outer shell. The cooking apparatus includes a cooking chamber, a rotatable plate, fuel attachment, a heated air source, a hopper, a chimney, oven door, and a rotatable handle. The oven includes a number of rotational elements providing user-controlled cooking features. The oven is adapted to accept a number of fuel sources for cooking.
A holesaw assembly (100) can include a holesaw (20), a pilot drill (30), an arbor (40), and a retainer (58). The holesaw can include a base (22) and a cylindrical wall (24) coupled to the base. The cylindrical wall terminates away from the base in a cutting edge (26) and defines an internal space (21). The drill bit can include a cutting tip (36) and an elongate shaft portion (37). The arbor can include a first portion (46) configured to be couplable with a tool holder of a power tool and a second portion (42) configured to be coupleable with the holesaw. The arbor can be configured to receive the drill bit and facilitate movement of the drill bit between an extended position and a retracted position relative to the arbor while the drill bit remains coupled to the arbor. The cutting tip is closer to the first portion of the arbor in the retracted position than in the extended position. The retainer can be configured to selectively maintain the drill bit in the retracted position. Release of the retainer can allow movement of the drill bit from the retracted position toward the extended position.
A family of power tools provided, the power tools including a common back-end assembly comprising a tool housing, a motor disposed within the tool housing, a peripheral switch, and other features that are substantially the same on the common back-end assembly; and distinct front-end assemblies securely mounted to the back-end assembly. The family of power tools provide significantly high power-to-weight and power-to-volume ratios. In at least one tool, a ratio of a maximum power output produced by the spindle to an overall weight of the power tool is at least approximately 0.52 watts/g when the battery pack has a maximum voltage of 20 volts and an impedance in the range of approximately 67 to 75 mOhms.
A family of power tools provided, the power tools including a common back-end assembly comprising a tool housing, a motor disposed within the tool housing, a peripheral switch, and other features that are substantially the same on the common back-end assembly; and distinct front-end assemblies securely mounted to the back-end assembly. The family of power tools provide significantly high power-to-weight and power-to-volume ratios.
A holder unit for a power tool is provided including a housing having a plurality of walls defining an open end, the housing being sized to receive an auxiliary wireless device therein through the open end. The housing is detachably mounted to a threaded opening provided on a tool housing of the power tool.
A holesaw assembly can include a holesaw, a pilot drill, an arbor, and a retainer. The holesaw can include a base and a cylindrical wall coupled to the base. The cylindrical wall terminates away from the base in a cutting edge and defines an internal space. The drill bit can include a cutting tip and an elongate shaft portion. The arbor can include a first portion configured to be couplable with a tool holder of a power tool and a second portion configured to be coupleable with the holesaw. The arbor can be configured to receive the drill bit and facilitate movement of the drill bit between an extended position and a retracted position relative to the arbor while the drill bit remains coupled to the arbor. The cutting tip is closer to the first portion of the arbor in the retracted position than in the extended position. The retainer can be configured to selectively maintain the drill bit in the retracted position. Release of the retainer can allow movement of the drill bit from the retracted position toward the extended position.
An electric motor is provided including a motor housing having a substantially cylindrical body; a stator disposed within the motor housing, the stator including a stator core, a first end insulator mounted to one end of the stator core, a second end insulator mounted to another end of the stator core, and stator windings wound around the stator core and the first and second end insulators; and a rotor rotatably received within the stator and including a rotor shaft extending along a longitudinal axis and a plurality of permanent magnets. The motor housing is fastened to the first end insulator via at least one fastener received into a threaded opening of the first end insulator. The second end insulator is not fastened directly to the motor housing so as to be axially unconstrained relative to the motor housing to accommodate for axial tolerances associated with the stator.
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
B25F 5/02 - Construction of casings, bodies or handles
H02K 5/18 - Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 5/24 - CasingsEnclosuresSupports specially adapted for suppression or reduction of noise or vibrations
H02K 7/14 - Structural association with mechanical loads, e.g. with hand-held machine tools or fans
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
H02K 21/16 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
A recip blade has a cutting edge defining a cutting direction and a repeating pattern of cutting teeth. Each repeating pattern includes (i) a leading tooth with respect to the cutting direction that includes a rake face defining a first rake angle that is negative, and (ii) a trailing tooth following the leading tooth with respect to the cutting direction that includes a rake face defining a second rake angle that is greater than the first rake angle.
The disclosure relates to a system of at least one power tool, at least one battery pack, and a backend server for interrelating data collected by the power tool and/or the battery pack. The system may encompass a collection of battery packs that are each configured to be interchanged between multiple power tools with varying levels of connectivity to the battery packs. Depending on the level of connectivity, the battery pack may be configured to collect a different level of data that can ultimately be compiled, correlated, and analyzed by a backend server. The disclosure further relates to methods and apparatuses for connecting and communicating with a communication module that is coupled to the power tool, and collecting power tool data from the communication module.
B23Q 17/00 - Arrangements for indicating or measuring on machine tools
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
H01M 50/569 - Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
G07C 3/00 - Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
H01M 10/48 - Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
A fastener device that drives one or more fasteners into a workpiece includes a tool housing, a motor assembly, and a driver. The motor assembly is within the tool housing, and the motor assembly comprises a stator set including a first stator, a second stator, and a plunger. The driver is within the tool housing and coupled to the plunger. The plunger is configured to travel along a drive axis between a retracted condition and an extended condition to drive a fastener of the one or more fasteners into the workpiece during a drive stroke. The first and second stators are spaced apart circumferentially around the plunger and the plunger is disposed between the first stator and the second stator to magnetically interact with each of the first and second stator.
A power tool system that includes a power tool having a receptacle for receiving a battery pack, the receptacle including a mechanical interface for mating with a battery pack, a first battery pack having a battery pack housing, the first battery pack housing including a mechanical interface for mating with the power tool, the first battery pack housing having a first width dimension in a direction generally perpendicular to a direction in which the first battery pack mates with the power tool and a second battery pack having a battery pack housing, the second battery pack housing including a mechanical interface for mating with the power tool, the second battery pack housing having a second width dimension in a direction generally perpendicular to a direction in which the second battery pack mates with the power tool, wherein the second width dimension being at least about 1.5 times the first width dimension.
H01M 50/247 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
B25F 5/02 - Construction of casings, bodies or handles
H01M 50/213 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
88.
System for Tracking and Identifying Cast-In Place Anchors
An anchor system is disclosed for anchoring objects to a concrete structure after concrete setting. The assembly includes an anchor body, an anchor housing and at least two elongate, tubular nose-pieces. The at least two elongate tubular nose-pieces have a visibly different colour pattern or have a visibly different structure from each other. The visible difference allowing a worker to easily and readily identify a particular subset of installed anchors.
The present disclosure is directed to a battery pack charger. The battery pack charger may include a housing for holding power conversion components and charging monitoring components. The battery pack charger may be configured to mate with and charge a battery pack. The battery pack may include a housing for holding a plurality of battery cells. The battery pack charger housing may have a width dimension and a length dimension. The battery pack housing may have a width dimension and a length dimension. The battery pack charger housing width dimension and length dimension are generally parallel to the battery pack housing width dimension and length dimension, respectively, when the battery pack charger is mated to the battery pack.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
A power tool includes an outer-rotor electric motor having an outer diameter that is in the range of 24 mm to 34 mm. A ratio of a maximum power output of the electric motor to a total weight of the power tool electric motor is at least 280 watts per pound when the battery pack includes a maximum rated voltage of approximately 20 V and rated capacity of approximately 2 Amp-hours, and/or at least 200 watts per pound when the battery pack includes a maximum rated voltage of approximately 12 V and rated capacity of approximately 2 Amp-hours.
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
Power-driven knockout tools are provided, including knockout tool accessory devices for power-driven tools. A plurality of different die sets can be coupled to the knockout tools, for forming openings through rigid plate or sheet material. The knockout tool portion of the tools may include a transmission that provides for sufficient speed reduction and corresponding increase in output torque from an input speed/torque associated with a rotary force input to the transmission to an output speed and an output torque for the pulling of a punch portion of the die set through the rigid sheet or plate material.
A power tool including a housing, a motor mounted in the housing, and a tool holder operatively coupled to the motor. The power tool also includes a gyro sensor module mounted on the housing, which has at least one gyro sensor configured to detect angular rotation of the housing about a first axis and angular inclination of the first axis from a reference first axis. A controller is configured to receive sensor signals from the gyro sensor module, determine a first error condition of the power tool based on a threshold angular velocity being exceeded, and determine a second error condition of the power tool based on a threshold angular inclination being exceeded.
G01C 19/5776 - Signal processing not specific to any of the devices covered by groups
G01P 15/08 - Measuring accelerationMeasuring decelerationMeasuring shock, i.e. sudden change of acceleration by making use of inertia forces with conversion into electric or magnetic values
Power-driven knockout tools are provided, including knockout tool accessory devices for power-driven tools. A plurality of different die sets can be coupled to the knockout tools, for forming openings through rigid plate or sheet material. The knockout tool portion of the tools may include a transmission that provides for sufficient speed reduction and corresponding increase in output torque from an input speed/torque associated with a rotary force input to the transmission to an output speed and an output torque for the pulling of a punch portion of the die set through the rigid sheet or plate material.
A hammer drill includes a tool housing including a motor housing portion; a motor in the motor housing portion; an output spindle driven by the motor; a clutch housing; and a hammering mechanism including a first ratchet and a second ratchet. The hammering mechanism is configured to impart axial impacts to the output spindle. The hammer drill further includes an insert in the clutch housing. The insert includes a body and a plurality of legs extending from the body.
A power tool with an ergonomic handgrip includes a housing with a rear end portion, a first front end portion, a second front end portion, and lateral sidewalls. A working end proximate the first front end portion is configured to be driven by a motor. A handle has a proximal portion coupled to the housing, a distal end portion away from the housing, a rear wall portion, a front wall portion, and a pair of sidewalls, and defines a handle axis. A trigger is coupled to the handle and defines a trigger axis. A first gripping region includes a rear concave recess on the rear end portion and a lateral concave recess extending along at least one of the lateral sidewalls generally parallel to the tool axis. A second gripping region is on the rear wall portion of the proximal portion of the handle. A third gripping region is on the second front end portion of the housing and offset rearward from first front end portion.
A tool with a transmission having a reduction gearset and a speed selector. The speed selector has a member, an actuator and a shifter assembly. The member is movable between a first position, in which the member is non-rotatable, and a second position in which the member is coupled to a planet carrier of the reduction gearset for common rotation. The actuator includes a pivoting yoke and a follower that is coupled to the yoke. The follower engages the member so as to be axially movable with the follower. The shifter assembly has a selector switch, a switch fork, and a pair of springs. The selector switch is slidable between a first switch position and a second switch position. The shift fork is slidably coupled to the selector switch and receives the yoke. The springs cooperate to bias the shift fork relative to the selector switch into a neutral position.
A power tool is provided including a housing, an electric motor, a main trigger switch, a side handle having an auxiliary trigger, and a controller operable to control a flow of electric current from a power source to the electric motor. In an embodiment, the controller the motor at start-up only if the main trigger is actuated after the auxiliary trigger is actuated, and otherwise prevent motor operation until both the main trigger and the auxiliary triggers are released. In an embodiment, an orientation of the auxiliary trigger relative to the gear case is adjustable.
An oscillating tool includes a housing; a motor in the housing; a first blade clamp; a blade clamp shaft; and a second blade clamp on the blade clamp shaft. The blade clamp shaft includes a latching portion to engage a seat. The oscillating tool also includes a blade clamp spring configured to bias the latching portion into engagement with the seat.
B26B 19/12 - Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the oscillating-cutter typeCutting heads thereforCutters therefor
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