Goods & Services

Hand-powered staple guns

Abstract

A spring energized fastening tool with compact, rigid, low friction working elements is disclosed. A torsion power spring includes forward extending arms with the arms pressing each other proximate a front distal end of the spring. A cantilevered lever links to a handle and engages the spring adjacent to the striker. A bottom loading staple track unlatches and opens through a simple pulling-out action. Structures are provided to enable fitment with a formed sheet metal handle and housing. The fastening tool is particularly simple to assemble, powerful, and of low operating effort.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A compact, electric, spring energized desktop stapler having a unitized housing providing both an external movable enclosure and a support frame for internal parts is disclosed. The internal power train is preferably elongated with the motor at the rear, a gear set toward the center, and low profile lever and power spring assembly at the front. The lever engages a striker with a normal upper rest position where the power spring is deflected and energized. A cam roller mounted to a final gear holds down the rear of the lever until the system is activated when the final gear rotates and the cam roller rolls off the end of the lever. In the unitized body, the base is pivotally attached to the body at the rear. A base lever selectively links to a cam roller or equivalent structure to move the body downward toward the base during a cycle.

IPC Classes  ?

• B25C 5/15 - Driving means operated by electric power
• B25C 5/00 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor
• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work

Goods & Services

Hand-operated staple guns; Locking pliers

Abstract

A spring energized fastening tool with compact, rigid, low friction working elements is disclosed. A torsion power spring includes forward extending arms with the arms pressing each other proximate a front distal end of the spring. A cantilevered lever links to a handle and engages the spring adjacent to the striker. A bottom loading staple track unlatches and opens through a simple pulling-out action. Structures are provided to enable fitment with a formed sheet metal handle and housing. The fastening tool is particularly simple to assemble, powerful, and of low operating effort.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A spring energized fastening tool with compact, rigid, low friction working elements is disclosed. A torsion power spring includes forward extending arms with the arms pressing each other proximate a front distal end of the spring. A cantilevered lever links to a handle and engages the spring adjacent to the striker. A bottom loading staple track unlatches and opens through a simple pulling-out action. Structures are provided to enable fitment with a formed sheet metal handle and housing. The fastening tool is particularly simple to assemble, powerful, and of low operating effort.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A spring energized fastening tool with compact, rigid, low friction working elements is disclosed. A torsion power spring includes forward extending arms with the arms pressing each other proximate a front distal end of the spring. A cantilevered lever links to a handle and engages the spring adjacent to the striker. A bottom loading staple track unlatches and opens through a simple pulling-out action. Structures are provided to enable fitment with a formed sheet metal handle and housing. The fastening tool is particularly simple to assemble, powerful, and of low operating effort.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A preferably pliers type stapler is disclosed with a staple loading structure that is both simplified and easy to operate. A lower handle and base are connected to the body through a pivoting and cam system. A single motion pulls the lower handle and base away from the body to expose a staple track location for loading staples at a bottom of the body. Preferably the same single motion releases the track to move outward from a rear of the body. In one embodiment a compact simplified structure using a preferably torsion spring provides a low cost reliable spring energized system.

IPC Classes  ?

• B25C 5/16 - Staple-feeding devices
• B25C 5/11 - Driving means operated by manual power

Abstract

A spring energized fastening tool with compact, rigid, low friction working elements is disclosed. A torsion power spring includes forward extending arms with the arms pressing each other proximate a front distal end of the spring. A cantilevered lever links to a handle and engages the spring adjacent to the striker. A bottom loading staple track unlatches and opens through a simple pulling-out action. Structures are provided to enable fitment with a formed sheet metal handle and housing. The fastening tool is particularly simple to assemble, powerful, and of low operating effort.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A compact, electric, spring energized desktop stapler having a unitized housing providing both an external movable enclosure and a support frame for internal parts is disclosed. The internal power train is preferably elongated with the motor at the rear, a gear set toward the center, and low profile lever and power spring assembly at the front. The lever engages a striker with a normal upper rest position where the power spring is deflected and energized. A cam roller mounted to a final gear holds down the rear of the lever until the system is activated when the final gear rotates and the cam roller rolls off the end of the lever. In the unitized body, the base is pivotally attached to the body at the rear. A base lever selectively links to a cam roller or equivalent structure to move the body downward toward the base during a cycle.

IPC Classes  ?

• B25C 5/15 - Driving means operated by electric power
• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work
• B25C 5/00 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor

Abstract

An extendible wire guide is slidably fitted at the front of a staple gun tool housing. An easily operated lever switch is linked to the wire guide to enable the wire guide to be deployed or retracted. The lever switch includes an up and a down position corresponding to a retracted and an extended position of the wire guide. The wire guide is resiliently biased, preferably toward the retracted position. The lever switch acts on the wire guide against the bias through a cam action on an upper edge of the wire guide. A bias spring is preloaded in a subassembly of the wire guide and bias spring for simplified final assembly.

IPC Classes  ?

• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work
• H02G 3/30 - Installations of cables or lines on walls, floors or ceilings
• B25C 5/11 - Driving means operated by manual power

Abstract

An energy storage tool includes a handle selectively linked to a power spring to deflect and store energy in the spring. The handle is decoupled from a link to the power spring by decoupling members in a release action. A peak release force results during the de-linking that is additive to a spring deflection force. An added motion bar adds leverage to the handle during the decoupling release action to reduce the peak release force.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power
• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work

Abstract

An improved tool belt hook is selectively deployable on a portable tool or device. The hook structure is deployable in selected directions or positions on the tool. A stowed position is also preferably included wherein the hook structure is substantially contained within confines of the tool body to be out of a user's way. A closely integrated pushbutton release may allow the hook to rotate between selected operative positions and automatically engage to such position. The button is easily operated while effectively remaining within confines of the tool body. The tool hook assembly is compact and low cost.

IPC Classes  ?

• B25C 7/00 - Accessories for nailing or stapling tools, e.g. supports
• F16M 13/04 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains
• F16B 45/00 - HooksEyes

Abstract

A flat clinch assembly fits upon or within a base of a stapling device. The assembly preferably includes a slot with extended resiliently biased arms or toggles, where a rest position has the arms at or near a level of a working surface. An ejecting staple deflects and energizes the arms to cause the arms to rotate and create a clearance recess whereby points of the staple legs slide inward along the anvil. A restorative bias acting on the arms causes the arms to rebound to a rest position and to bend the legs upward. The legs thereby are normally pressed flat against the back sheet of a paper stack at the working surface. The arms or toggles are lightweight whereby the inertia of a fast-moving staple moves the arms or toggles. The toggle may include an upward facing staple leg guide channel.

IPC Classes  ?

• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work
• B25C 5/15 - Driving means operated by electric power
• B27F 7/19 - Stapling machines with provision for bending the ends of the staples on to the work

Abstract

An improved blade for use with an oscillating power tool is disclosed. A rectangular style blade includes side teeth to eject debris and allow rapid but well controlled blind plunge cuts. The side teeth are preferably asymmetric with a forward orientation to bias debris out and the blade inward. Preferably one or more openings or slots allow for additional debris removal. The side teeth also allow for controlled side cutting.

IPC Classes  ?

• B23D 61/12 - Straight saw bladesStrap saw blades

Abstract

An improved blade for use with an oscillating power tool is disclosed. A rectangular style blade includes side teeth to eject debris and allow rapid but well controlled blind plunge cuts. The side teeth are preferably asymmetric with a forward orientation to bias debris out and the blade inward. Preferably one or more openings or slots allow for additional debris removal. The side teeth also allow for controlled side cutting.

IPC Classes  ?

• B26B 7/00 - Hand knives with reciprocating motor-driven blades
• B26D 1/00 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor
• B26D 1/30 - Cutting through work characterised by the nature or movement of the cutting memberApparatus or machines thereforCutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis substantially perpendicular to the line of cut with limited pivotal movement to effect cut
• B26D 7/08 - Means for treating work or cutting member to facilitate cutting
• B27B 19/00 - Other reciprocating saws with power driveFret-saws

Abstract

A flat clinch assembly fits upon or within a base of a stapling device. The assembly preferably includes a slot with extended resiliently biased arms or toggles, where a rest position has the arms at or near a level of a working surface. An ejecting staple deflects and energizes the arms to cause the arms to rotate and create a clearance recess whereby points of the staple legs slide inward along the anvil. A restorative bias acting on the arms causes the arms to rebound to a rest position and to bend the legs upward. The legs thereby are normally pressed flat against the back sheet of a paper stack at the working surface. The arms or toggles are lightweight whereby the inertia of a fast moving staple moves the arms or toggles.

IPC Classes  ?

• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work

Abstract

A flat clinch assembly fits upon or within a base of a stapling device. The assembly preferably includes a slot with extended resiliently biased arms or toggles, where a rest position has the arms at or near a level of a working surface. An ejecting staple deflects and energizes the arms to cause the arms to rotate and create a clearance recess whereby points of the staple legs slide inward along the anvil. A restorative bias acting on the arms causes the arms to rebound to a rest position and to bend the legs upward. The legs thereby are normally pressed flat against the back sheet of a paper stack at the working surface. The arms or toggles are lightweight whereby the inertia of a fast moving staple moves the arms or toggles.

IPC Classes  ?

• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work
• B27F 7/19 - Stapling machines with provision for bending the ends of the staples on to the work
• B25C 5/15 - Driving means operated by electric power

Abstract

A manually powered rotary tool includes improvements to size, drive direction input, drive speed, assembly, strength, and cost. A handle is mounted high in the housing to provide a vertically compact tool. A selector switch controls a spiral ratchet mechanism from outside the housing to better enclose the mechanism and provide improved access to the selecting operation. The ratchet mechanism uses a lateral moving selector bar for effective operation with the external selector switch. The spiral ratchet gears are configured for die cast manufacturing. Various components are of one-piece construction and designed for simplified assembly.

IPC Classes  ?

• B25B 17/00 - Hand-driven gear-operated wrenches or screwdrivers
• B25B 13/46 - SpannersWrenches of the ratchet type, for providing a free return stroke of the handle
• B25B 15/04 - Screwdrivers operated by rotating the handle with ratchet action
• B25B 21/00 - Portable power-driven screw or nut setting or loosening toolsAttachments for drilling apparatus serving the same purpose
• B25B 15/06 - Screwdrivers operated by axial movement of the handle

Abstract

A compact, electric, spring energized desktop stapler having a unitized housing providing both an external movable enclosure and a support frame for internal parts is disclosed. The internal power train is preferably elongated with the motor at the rear, a gear set toward the center, and low profile lever and power spring assembly at the front. The lever engages a striker with a normal upper rest position where the power spring is deflected and energized. A cam roller mounted to a final gear holds down the rear of the lever until the system is activated when the final gear rotates and the cam roller rolls off the end of the lever. In the unitized body, the base is pivotally attached to the body at the rear. A base lever selectively links to a cam roller or equivalent structure to move the body downward toward the base during a cycle.

IPC Classes  ?

• B25C 5/15 - Driving means operated by electric power
• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work

Abstract

A compact, electric, spring energized desktop stapler having a unitized housing providing both an external movable enclosure and a support frame for internal parts is disclosed. The internal power train is preferably elongated with the motor at the rear, a gear set toward the center, and low profile lever and power spring assembly at the front. The lever engages a striker with a normal upper rest position where the power spring is deflected and energized. A cam roller mounted to a final gear holds down the rear of the lever until the system is activated when the final gear rotates and the cam roller rolls off the end of the lever. In the unitized body, the base is pivotally attached to the body at the rear. A base lever selectively links to a cam roller or equivalent structure to move the body downward toward the base during a cycle.

IPC Classes  ?

• B25C 5/15 - Driving means operated by electric power

Abstract

Power spring configurations for a spring energized fastening device includes a compact double torsion power spring and two opposed compact single torsion springs. Simplified structures to hold the springs in a stable pre-loaded position are disclosed. Each coil has forward extending arms including an angled portion and forward vertically coincident portions. The double torsion spring has a self-locking crossing geometry to hold a pre-loaded rest position. The opposed two springs have a bridge and a mandrel to hold the rest position. A lever presses arms of the spring between a striker and the coil including a compact nesting condition. A tab of the striker extends forward to provide a release edge and a positioning torque bias upon the striker.

IPC Classes  ?

• B25C 5/00 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor
• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work
• B25C 5/11 - Driving means operated by manual power

Abstract

Power spring configurations for a spring energized fastening device includes a compact double torsion power spring and two opposed compact single torsion springs. Simplified structures to hold the springs in a stable pre-loaded position are disclosed. Each coil has forward extending arms including an angled portion and forward vertically coincident portions. The double torsion spring has a self-locking crossing geometry to hold a pre-loaded rest position. The opposed two springs have a bridge and a mandrel to hold the rest position. A lever presses arms of the spring between a striker and the coil including a compact nesting condition. A tab of the striker extends forward to provide a release edge and a positioning torque bias upon the striker.

IPC Classes  ?

• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work

Abstract

Power spring configurations for a spring energized fastening device includes a compact double torsion power spring and two opposed compact single torsion springs. Simplified structures to hold the springs in a stable pre-loaded position are disclosed. Each coil has forward extending arms including an angled portion and forward vertically coincident portions. The double torsion spring has a self-locking crossing geometry to hold a pre-loaded rest position. The opposed two springs have a bridge and a mandrel to hold the rest position. A lever presses arms of the spring between a striker and the coil including a compact nesting condition. A tab of the striker extends forward to provide a release edge and a positioning torque bias upon the striker.

IPC Classes  ?

• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work
• B25C 5/08 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work with means for forming the staples in the tool

Abstract

A spring-energized stapler having a pliers type configuration, wherein papers and like items are fastened at a front end and the stapler is normally gripped and squeezed at a rear end. A compact mechanism and independent handle linkages provide a compact overall shape in a high efficiency action. An upper handle is pivoted at a front, top of a housing with a pressing area spaced at least one half the handle length away from the upper handle pivot. A lower handle includes a multi-segment cam link to a base to provide a minimal gripping distance with a large clamping force at an anvil. A simplified front-loading mechanism provides a compact, low cost assembly. A release latch holder is located behind the striker for a compact front end.

IPC Classes  ?

• B25C 5/16 - Staple-feeding devices

Abstract

A stapler selectively uses enhanced leverage to break a glue bond of a staple to separate the staple from a rack of staples in the stapler. The staple does not press a working surface during this operating stage. The extra leverage stage occurs through a minority of total handle travel, preferably via a pivoting lever linked to the striker at one end and the opposite end traversing between inner spaced apart ribs underneath the handle. A remaining non-leveraged handle travel stage ejects a staple out from the stapler body against a working surface. A track supports staples from an underside of the top of the staples. The track includes an outward extending bottom support for at least one staple on the track to prevent rotation of a short rack of staples.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A miniature spring-actuated stapler includes a tapered, flat power spring to store energy and eject staples. The power spring pivots at a rear of the stapler housing and includes three co-extensive arms terminating near the striker. As the L-shaped handle of the stapler is pressed, it acts on the center arm of the power spring to deflect it downward while the outer arms deflect upward. The arms are integral at a rear end and the outer arms are linked to the striker at the front. A tapered, flat reset spring disposed generally parallel to the power spring is used to reset the internal action. The housing includes open top and rear areas with the handle providing the enclosure thereof. A base assembly is slidably attached at a bottom of the stapler with an open position exposing a staple-loading chamber.

IPC Classes  ?

• B25C 1/04 - Hand-held nailing toolsNail feeding devices therefor operated by fluid pressure

Abstract

A staple remover device having first and second opposed, elongated jaws extending from a lower end of the remover toward an upper end of the remover. The jaws are pivoted to the remover at the upper end. With the remover in a substantially perpendicular orientation above a horizontal work surface, the first jaw moves toward the second jaw, actuated by a user's finger pressure. A handle extends along the remover device, the handle being normally operationally fixed to a jaw by a link including a latch, and at a pre-determined position of the first jaw to the second jaw, a release rib of at least one jaw causes the latch to suddenly de-link the handle from the jaw, wherein the de-linked handle moves in relation to the jaw and moving the handle in relation to the jaw causes the other jaw to rise, lifting out the staple.

IPC Classes  ?

• B25C 11/00 - Nail, spike, or staple extractors

Abstract

A miniature spring-actuated stapler includes a tapered, flat power spring to store energy and eject staples. The power spring pivots at a rear of the stapler housing and includes three co-extensive arms terminating near the striker. As the L-shaped handle of the stapler is pressed, it acts on the center arm of the power spring to deflect it downward while the outer arms deflect upward. The arms are integral at a rear end and the outer arms are linked to the striker at the front. A tapered, flat reset spring disposed generally parallel to the power spring is used to reset the internal action. The housing includes open top and rear areas with the handle providing the enclosure thereof. A base assembly is slidably attached at a bottom of the stapler with an open position exposing a staple-loading chamber.

IPC Classes  ?

• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work

Abstract

A spring-energized stapler having a pliers type configuration, wherein papers and like items are fastened at a front end and the stapler is normally gripped and squeezed at a rear end. A compact mechanism and independent handle linkages provide a compact overall shape in a high efficiency action. An upper handle is pivoted at a front, top of a housing with a pressing area spaced at least one half the handle length away from the upper handle pivot. A lower handle includes a multi-segment cam link to a base to provide a minimal gripping distance with a large clamping force at an anvil. A simplified front-loading mechanism provides a compact, low cost assembly. A release latch holder is located behind the striker for a compact front end.

IPC Classes  ?

• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work

Abstract

A spring energized stapler includes a 'high-start' design wherein a striker has an initial rest position above the staple track. A handle is pressed to energize a power spring while the striker remains stationary. At a predetermined position of the handle, the striker is released to eject a staple. A subassembly of a cage and the power spring provides a preload to the power spring in the rest position. The subassembly is separately movable from the handle to allow a handle pressing end to move farther than a cage front end travel distance. A lever links the striker to the power spring to provide leverage upon the power spring. The lever and cage/spring subassembly are nested in a compact assembly. A safety lock includes a two step action to restrict motion of the striker, and fits a notch in a bottom of the striker.

IPC Classes  ?

• B25C 5/00 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor

Abstract

A miniature spring-actuated stapler includes a tapered, flat power spring to store energy and eject staples. The power spring pivots at a rear of the stapler housing and includes three co-extensive arms terminating near the striker. As the L-shaped handle of the stapler is pressed, it acts on the center arm of the power spring to deflect it downward while the outer arms deflect upward. The arms are integral at a rear end and the outer arms are linked to the striker at the front. A tapered, flat reset spring disposed generally parallel to the power spring is used to reset the internal action. The housing includes open top and rear areas with the handle providing the enclosure thereof. A base assembly is slidably attached at a bottom of the stapler with an open position exposing a staple-loading chamber.

IPC Classes  ?

• B21D 11/10 - Bending specially adapted to produce specific articles, e.g. leaf springs
• B25C 5/11 - Driving means operated by manual power

Abstract

A miniature spring-actuated stapler includes a tapered, flat power spring to store energy and eject staples. The power spring pivots at a rear of the stapler housing and includes three co-extensive arms terminating near the striker. As the L-shaped handle of the stapler is pressed, it acts on the center arm of the power spring to deflect it downward while the outer arms deflect upward. The arms are integral at a rear end and the outer arms are linked to the striker at the front. A tapered, flat reset spring disposed generally parallel to the power spring is used to reset the internal action. The housing includes open top and rear areas with the handle providing the enclosure thereof. A base assembly is slidably attached at a bottom of the stapler with an open position exposing a staple-loading chamber.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A compact stapler includes a housing, a handle disposed toward a top of the housing, a track including an extended length along a bottom of the housing, and a striker slidably fitted at a front of the housing. The striker is movable between a position above the track and a position in front of the track. The compact stapler also includes the handle linked to a power spring whereby pressing the handle toward the housing causes the power spring to deflect and store energy. The compact stapler also includes the power spring pivotably attached to the housing at a rear distal end of the power spring and elongated forward therefrom to a linkage to the striker. The power spring ejects a staple upon release of the energy of the deflected power spring. The power spring includes an upper position immediately adjacent to a top of the housing, and a lowest position against an absorber rib abutting a staple chamber, and a distal rear end of the power spring being adjacent to a rear extent of the housing.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A miniature spring-actuated stapler includes a tapered, flat power spring to store energy and eject staples. The power spring pivots at a rear of the stapler housing and includes three co-extensive arms terminating near the striker. As the L-shaped handle of the stapler is pressed, it acts on the center arm of the power spring to deflect it downward while the outer arms deflect upward. The arms are integral at a rear end and the outer arms are linked to the striker at the front. A tapered, flat reset spring disposed generally parallel to the power spring is used to reset the internal action. The housing includes open top and rear areas with the handle providing the enclosure thereof. A base assembly is slidably attached at a bottom of the stapler with an open position exposing a staple-loading chamber.

IPC Classes  ?

• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work

Abstract

A spring energized stapler includes a “high start” design wherein a striker has a rest position above the staple track. A handle is pressed to energize a power spring while the striker remains stationary. At a predetermined position of the handle, the striker is released to eject a staple. A subassembly of a cage and the power spring provides a preload to the power spring in the rest position. The subassembly is separately movable from the handle to allow a handle pressing end to move farther than the striker's distance of travel. The handle includes a movable pivot location to enable enhanced motion of the handle pressing end. Alternatively, an optional lever links the striker to the power spring to provide leverage upon the power spring. A release latch may be mounted in front of the striker to be engaged by the lever or the handle.

IPC Classes  ?

• B25C 5/11 - Driving means operated by manual power

Abstract

A hole punch device that reduces the force required to create a hole in papers or other sheet media. A punch element of the hole punch device includes a locally sloped or indented floor to create an angle in the sheet media as it is punched to create an enlarged, oval hole. The punch pin may include an expanding sleeve surround the pin that forms a larger diameter during the cutting stroke and springs back to a smaller diameter during a pull out stroke. A coiled torsion return spring is positioned remotely from and non-coaxially with the punch pin. A keyed pin and support frame arrangement ensures a predetermined rotational orientation of the pin for sequential cutting for reduced cutting force. The punch elements and punch pins may be configured so that the punch pins cut into the sheet media sequentially.

IPC Classes  ?

• B26D 5/08 - Means for actuating the cutting member to effect the cut

Abstract

A miniature spring-actuated stapler includes a tapered, flat power spring to store energy and eject staples. The power spring pivots at a rear of the stapler housing and includes three co-extensive arms terminating near the striker. As the L-shaped handle of the stapler is pressed, it acts on the center arm of the power spring to deflect it downward while the outer arms deflect upward. The arms are integral at a rear end and the outer arms are linked to the striker at the front. A tapered, flat reset spring disposed generally parallel to the power spring is used to reset the internal action. The housing includes open top and rear areas with the handle providing the enclosure thereof. A base assembly is slidably attached at a bottom of the stapler with an open position exposing a staple-loading chamber.

IPC Classes  ?

• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work

Abstract

A spring energized stapler includes a "high start" design wherein a striker has a rest position above the staple track. A handle is pressed to energize a power spring while the striker remains stationary. At a predetermined position of the handle, the striker is released to eject a staple. A subassembly of a cage and the power spring provides a preload to the power spring in the rest position. The subassembly is separately movable from the handle to allow a handle pressing end to move farther than the striker's distance of travel. The handle includes a movable pivot location to enable enhanced motion of the handle pressing end. Alternatively, an optional lever links the striker to the power spring to provide leverage upon the power spring. A release latch may be mounted in front of the striker to be engaged by the lever or the handle.

IPC Classes  ?

• B25C 5/06 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor without provision for bending the ends of the staples on to the work

Abstract

A desktop stapler uses a spring (90) to store energy to install staples by
impact blow. The force required to fasten papers together is reduced. A very
compact mechanism is used, including a dual coil power spring (90) with a
nested lever (40). A multi function base (20) provides a sloped front all the
way to down to a desk top surface to guide paper sheets atop the base, easy
access for lifting the stapler off a desk, horizontal or vertical resting
positions, and integrated soft grip under-surface. The base surrounds the rear
of the stapler body (10) to provide a smooth exterior so that the device is
natural to use both horizontally and vertically. A simple re-set spring (70)
provides a smooth re-set action as the handle (30) is raised. A staple track
includes enlargement features to fit a larger staple pusher spring (300).

IPC Classes  ?

• B25C 5/02 - Manually operated portable stapling toolsHand-held power-operated stapling toolsStaple feeding devices therefor with provision for bending the ends of the staples on to the work
• B25C 5/16 - Staple-feeding devices