Provided are a curtain airbag and a curtain airbag device which distribute stress applied from a front tether to a curtain airbag body upon inflation and deployment. An externally attached panel 40 is arranged on the outside of a front portion of a panel 2 which is of panels 2, 3 forming a curtain airbag body portion 1a and is outside a vehicle. An upper side portion 42 and a lower side portion 45 of the externally attached panel 40 are sewn to the panels 2, 3 by a line-shaped connection portion 10. A vertically intermediate portion of a rear portion of the externally attached panel 40 is sewn to the panels 2, 3 by an annular connection portion 21. A rear portion of a front tether 50 is sewn to a front portion of the externally attached panel 40.
Provided are a seat belt retractor and a seat belt device capable of increasing resistance applied to webbing during energy absorption while suppressing an increase in friction resistance during steady drive of a pretensioner. A seat belt retractor 1 includes a guide member 7 facing at least a part of an outer peripheral surface of a locking base 6 and disposed along an opening 32a, wherein the guide member 7 is configured not to come into contact with the locking base 6 until a pretensioner 4 is shifted to a steady drive state, is configured to come into contact with the locking base 6 during steady drive of the pretensioner 4, and is configured to allow contact between locking teeth 32b and the locking base 6 when a predetermined load is applied after the pretensioner 4 is shifted to the steady drive state.
This seat belt retractor 3 comprises a torsion bar 2 that is built in a spool 11, has, on one end thereof, a connection part 12A connected to the spool 11, has, on the other end thereof, a connection part 12B connected to a locking base 13, and uses a rotation difference between the spool 11 and the locking base 13 to limit a load applied to a seat belt 4 so as to absorb and relax the energy of an occupant. A through-hole 15A of a cylindrical part 15 of the locking base 13 is formed in a shape in which the connection part 12A of the torsion bar 12 passes therethrough and the connection part 12B does not pass therethrough in a direction from a base part 14 side to the spool 11 side, and the connection part 12B of the torsion bar 12 is locked inside the cylindrical part 15 of the locking base 13.
The present invention provides an inflator mounting jig and an airbag device making it possible to attach an inflator to an airbag module without modifying the design of existing parts, even if the positions of mounting holes on a flange of the inflator are not aligned. An inflator mounting jig 9 is disposed so as to sandwich a flange 3f together with a retainer 4 and includes: a depressed part 9c that positions the flange 3f; mounting holes 9h that communicate with through-holes 22, 44, and 62; and an opening 9a into which a main body 3b of an inflator 3 is insertable. The inflator mounting jig 9 according to a first embodiment includes a first plate 91 provided with the mounting holes 9h and the opening 9a, and a second plate 92 provided with a die-cut hole 9s formed into a shape conforming to an outer shape that encompasses the flange 3f and the mounting holes 9h.
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
B60R 21/217 - Inflation fluid source retainers, e.g. reaction canistersConnection of bags, covers, diffusers or inflation fluid sources therewith or together
Provided are a pretensioner, a retractor, and a seat belt device with which constraints on the design of the pretensioner can be relaxed while the release of working gas is minimized. A motive power transmission device 32 comprises a resin-made, rod-shaped motive power transmission member 32a that transmits motive power to a ring gear 31, a tubular guiding member 32b that guides the motive power transmission member 32a to the ring gear 31, a gas generator 32c that supplies working gas to the interior of the guiding member 32b, a piston 32d positioned between the gas generator 32c and the motive power transmission member 32a, an elastic body 32e positioned in front of the piston 32d, a seal member 32f positioned on the rear side of the piston 32d, and a restraining part 32g that restrains the piston 32d formed in the guiding member 32b.
A gas introduction part 1b is provided to a folded product of a curtain air bag body part 1a, in such a manner as to be folded thereover. In the case where a vehicle is either subjected to a broadside collision or an overturn, an inflator 9 operates to blow out gas, which is then fed into a curtain airbag 1 so as to cause said curtain airbag 1 to start to inflate. Recess portions 4, 5 are provided in front of and in back of the gas introduction part 1b at an upper edge of the curtain airbag body part 1a. Because of this configuration, the capacity (package volume) of the folded product of the curtain airbag 1 can be kept small.
This pretensioner is provided with: a wire having one end connected to a buckle which is a drawn-in member; a piston connected to the other end of the wire; a cylinder that slidably accommodates the piston; and a gas generator that supplies to the piston a gas for operating the piston in a direction of drawing in the wire. The wire comprises a first wire and a second wire arranged in parallel between the buckle and the piston. The gas generator is arranged inside the cylinder.
Provided are a seatbelt retractor and a seatbelt device with which it is possible to increase resistance applied to a webbing during energy absorption while suppressing any increase in friction resistance during a pretensioner operation. According to the present invention, a base frame 3 is provided with an opening part 32a through which a locking base 6 is inserted, lock teeth 32b that are formed in the inner periphery of the opening part 32a and are capable of interlocking with part of a lock mechanism 5, and a guide member 7 that faces at least part of the outer peripheral surface of the locking base 6 and is positioned along the opening part 32a. The guide member 7 is configured so as to regulate contact between the locking base 6 and the lock teeth 32b from the start of operation of a pretensioner 4 until the pretensioner 4 transitions to a steady drive state, and to allow contact between the locking base 6 and the lock teeth 32b after the pretensioner 4 has transitioned to the steady drive state.
When a vehicle receives a side collision, gas from an inflator 2 causes expansion and deployment of an inflator-installed chamber 5, an upper chamber 3, and a lower chamber 4, and further causes expansion and deployment of an intermediate chamber 6. At a front part and a top part of the intermediate chamber 6, low-thickness regions 6C and 6D are formed by thickness control panels 61 and 62.
B60R 21/21 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle side panels, e.g. doors
Provided are a seat belt retractor and a seat belt device in which the load control pattern of an energy absorption mechanism can be easily set as desired. In an energy absorption mechanism 5 of a seatbelt retractor 1 according to a first embodiment, a deficient area 52d deficient of teeth is formed in at least one of multiple round gears 52c positioned on second torsion bars 52. Forming this deficient area 52d makes it possible for twisting deformation of the two second torsion bars 52 to end at different timings, and for the energy absorption mechanism to be load-controlled to a medium load β and a low load γ.
When a vehicle receives a side collision, gas from an inflator 2 causes expansion and deployment of an inflator-installed chamber 5, an upper chamber 3, and a lower chamber 4, and further causes expansion and deployment of an intermediate chamber 6. Partition panels 8, 9 for partitioning the upper and lower chambers 3, 4 and the intermediate chamber 6 are respectively sewn to the upper and lower edges of a partition panel (gas distribution diffuser) 7 surrounding the inflator-installed chamber 5. Openings 8a, 9a are provided at the partition panels 8, 9.
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
A driver's seat airbag 1 is configured by sewing together a front panel 2 and a rear panel 3. The rear panel 3 is provided with a left tuck part 12 extending from an upper-left to a lower-left, and a right tuck part 11 extending from an upper-right to a lower-right. The rear panel 3 is provided with a first tuck part 21 which is horizontal, a second tuck part 22 extending from the upper-right to the lower-left, and a third tuck part 23 extending from the upper-left to the lower-right.
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
When a vehicle experiences a side collision, gas supplied from an inflator 2 to a first inflating section 10 inflates a ring-shaped chamber 12 and, at the same time, is supplied to a second inflating section 20 through a first narrow path 14 to inflate a first chamber 21 and a second chamber 22. The first chamber 21 is bent near the first narrow path 14 toward a passenger P to be interposed between the upper section of the inflated first inflating section 10 and the head H of the passenger P. The second chamber 22 is inflated downward from the front end of the first chamber 21. The second chamber 22 is located in front of the right shoulder of the passenger P to restrain the right shoulder and the vicinity thereof. Because the second chamber 22 is inflated and deployed from the front side of the head of the passenger P to the front side of the right shoulder and the vicinity thereof, movement of the passenger's head H toward the front right side is restricted in the case of a side collision coming from the oblique front right side.
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
B60R 21/231 - Inflatable members characterised by their shape, construction or spatial configuration
Provided is an occupant sensing device comprising: a vibration unit which is installed in a metal support member supporting a seat cushion from below; a first piezoelectric element which is installed in the seat cushion; a second piezoelectric element which is installed in the support member; a drive circuit which outputs a drive signal for causing the vibration unit to vibrate such that vibrations are propagated to the support member; and a sensing circuit which carries out living body sensing by detecting a first vibration waveform of a lower frequency than the drive signal via a sensing line connected to the first piezoelectric element, and which carries out load sensing by detecting an amplitude change in a second vibration waveform obtained via a sensing line connected to the second piezoelectric element.
This seatbelt retractor is provided with: a spool for winding a seatbelt; a lock mechanism that allows rotation of the spool during non-operation and prohibits rotation of the spool in the pulling-out direction of the seatbelt during operation; a first energy-absorbing mechanism that deforms due to the rotation of the spool in the pulling-out direction and the rotation prohibition by the lock mechanism; a power transmission mechanism that adds a second load produced by the power of a motor to a first load produced by the deformation of the first energy-absorbing mechanism; and a second energy-absorbing mechanism that reduces the limit load, which is increased by the addition of the second load to the first load, by undergoing deformation.
A manufacturing execution system for managing a plurality of production lines, said manufacturing execution system comprising a management device and a terminal device provided to each of the plurality of production lines and communicably connected to the management device. The management device is provided with a resource database for storing registration information for resources allotted to each of the plurality of production lines. Each terminal device acquires identification information for the resources of the production line to which said terminal device is provided, compares the identification information and the registration information in the resource database, and, when a change from the registration information is detected, notifies a supervisor of the production line about the detection of a change point.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
17.
AIRBAG, AIRBAG DEVICE, VEHICLE SEAT, AND AIRBAG SYSTEM
During emergencies such as collision, overturn, etc., of a vehicle, an inflator 6 is actuated and airbags 1R, 1L inflate. Top sections 2 of the airbags 1R, 1L deploy above the shoulder portions of an occupant H, side sections 3 deploy from the shoulders to the sides of the upper arms, and front sections 4 expand from the shoulders in front of the upper part of the right chest or left chest. When expansion has completed, the maximum thickness T1 of the upper part 4a of each front section 4 is 1.2-2.0 times the maximum thickness T2 of the lower part 4b of the front section 4.
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
B60R 21/231 - Inflatable members characterised by their shape, construction or spatial configuration
In the event of an emergency, such as a vehicle collision or rollover, an inflator 6 is activated and airbags 1R, 1L are inflated. The top portion 2 of each of the airbags 1R, 1L expands above the shoulders of an occupant H, the side portion 3 expands from the shoulder to the side of the upper arm, and the front portion 4 is inflated from the shoulder to the front of the upper portion of the right or left chest. Furthermore, tethers 20, 30, 40 become taut and prevent the front portion 4 from retracting forward and the top portion 2 from retracting upward.
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
Provided are a belt fixation method for tongs and a seatbelt device, which make it possible to curb any increase in the complexity of the structure of the tongs or in the size of the shape of the tongs, even where a two-retractor system is adopted. This seatbelt device 1 comprises a shoulder belt 2 for binding an occupant's shoulder, a lap belt 3 for binding the occupant's lap, and tongs 4 to which the shoulder belt 2 and the lap belt 3 are fixed. The tongs 4 are provided with an opening section 41b through which the shoulder belt 2 and the lap belt 3 can be inserted. The shoulder belt 2 is provided with a folded-over section 21 configured by being inserted into the opening section 41b and looped back. The lap belt 3 is provided with a superposition section 31 configured by being inserted into the opening section 41b and arranged over the folded-over section 21. The folded-over section 21 and the superposition section 31 comprise a bonded section 5 where the two sections are integrally joined together.
This seatbelt retractor is provided with: a spool for winding a seatbelt; a lock mechanism that allows rotation of the spool during non-operation and prohibits rotation of the spool in the pulling-out direction of the seatbelt during operation; a first energy absorbing mechanism that deforms due to the rotation of the spool in the pulling-out direction and the rotation prohibition by the lock mechanism; a drive force transmission mechanism that adds a second load produced by a motor and a speed reducer to a first load produced by the deformation of the first energy absorbing mechanism; and a second energy absorbing mechanism that, due to its own deformation, limits an increase of the limit load generated by the addition of the second load to the first load.
A curtain airbag that comprises: a curtain airbag main body (2) that expands using gas from an inflator; and a tie panel (3) coupled to the upper and lower sections of the curtain airbag main body by an upper coupling section (72b) and a lower coupling section (72a), respectively. The curtain airbag main body has an indoor-side first panel (5), an outdoor-side second panel (6), and a joining section that joins the first panel and the second panel. The joining section has: an edge joining section (60) following the edges of the first and second panels; and inside joining sections (40–50, 61–69, 71, 74) positioned further on the inside than the edge joining section. Intermediate joining sections (42, 63, 64, 65), partitioning an intermediate region (2a) into a plurality of expansion chambers including at least an upper expansion chamber (8) and a lower expansion chamber (10), are present as part of the inside joining sections. A plurality of virtual circles (73a, 73b) that have the same diameter and which are lined up in the vehicle front-rear direction are inscribed at at least an upper joining section and a lower joining section of the upper expansion chamber.
Provided is an airbag device capable of easily connecting a module cover and a retainer. An airbag device 1 includes: an airbag 2; an inflator 3 for inflating the airbag 2; a retainer 10 to which the airbag 2 and the inflator 3 are attached through an attachment ring 6; and a module cover 20 attached to the occupant side of the retainer 10 to cover the folded body of the airbag 2. An extended piece 28 is inserted into an insertion hole 18, and a hook portion 17b of a lock piece 17 of a retainer peripheral wall 15 is locked in an opening 27 in a module cover side wall portion 22. The insertion hole 18 is located near the lock piece 17.
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
B60R 21/215 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
Provided is a steering wheel with which space-saving of a horn switch can be achieved without any loss of function of the horn switch. A horn switch 4 comprises: a guide pin 41 having a first end part 411 that is connected in an axially slidable manner to a first opening part 211 formed in a core metal 2, and a second end part 412 that is disposed so as to be engageable with a second opening part 322 formed in an airbag module 3; a guide sleeve 42 that is disposed in an axially slidable manner on a shaft part of the guide pin 41 on the first end part 411 side; a stopper 43 that is fixed to the shaft part of the guide pin 41 on the second end part 412 side; a horn spring 44 that is disposed between the guide sleeve 42 and the stopper 43; a damper 45 that is disposed between the second end part 412 and the stopper 43, and that is engaged with an inner edge of the second opening part 322; and a protector 46 that is disposed between the second opening part 322 and the damper 45.
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
This seatbelt retractor comprising: a pretensioner; and an EA pin 20 inserted into an axial hole 4c of a spool 4 through a locking base 14, is characterized in that the pin 20 includes a torsion-bar twist deformation-suppressed region and a region in which a load is added to a torsion bar load during EA.
A large hole portion 15a of an opening 15 of an anchor plate 3 is fitted onto a bolt head 2b, and the anchor plate 3 is pulled up. A tongue portion 25 and a stopper piece 26 are elastically deformed, and the bolt head 2b passes between the stopper piece 26 and a plate body 10 and moves to the end of a small hole portion 15b. The left and right edges and the lower edge of the small hole portion 15b are clamped by the bolt head 2b and a flange 2c. The stopper piece 26 is engaged with the upper side surface of the bolt head 2b.
Provided are a drive power transmission member, a pretensioner, a retractor, and a method for manufacturing the drive power transmission member, with which it is possible to stabilize performance regardless of use environment. A drive power transmission member 32a according to this embodiment is characterized by including a base resin having water absorption characteristics such that water absorption is 1% or less using ISO 62 method 1 (method for measuring weight increase rate after being immersed in water for 24 hours at 23°C), and an elastomer that imparts mechanical characteristics to the drive power transmission member 32a, the mechanical characteristics being tensile yield stress (ISO 527) of 40-54 MPa, tensile fracture strain (ISO 527) of 50% or more, tensile elasticity (ISO 527) of 1200-1900 MPa, bend elasticity (ISO 178) of 1100-1700 MPa, and no-notch Charpy impact strength (ISO 179) of no fracture at -30°C or above.
B60R 22/46 - Belt retractors, e.g. reels with means to tension the belt in an emergency
C08L 29/14 - Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
Provided are a seat belt retractor and a seat belt device. The present invention comprises: a spool; a motor for rotating the spool; a switching element connected to the motor; a control circuit that switches the switching element via PWM control such that the motor rotates in a direction in which a seat belt is wound around the spool; a recirculation path for recirculating, to the motor, a current produced by counter electromotive force of the motor; and a current control circuit for controlling the magnitude of the current flowing to the recirculation path.
B60R 22/48 - Control systems, alarms, or interlock systems, for the correct application of the belt or harness
B60R 22/46 - Belt retractors, e.g. reels with means to tension the belt in an emergency
H02P 7/29 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
A spool 20 and a locking base 22 are connected through a torsion bar 70. A stop gear 82 and a positioning member 86 are engaged through threads with the male thread 42c of a locking base 40 so as to be separated from each other a predetermined distance. The locking base 40 and the torsion bar 70 are mounted to the spool 20 while the distance of separation between the stop gear 82 and the positioning member 86 is accurately set to a specified value. When the tension of webbing increases due to the movement of a vehicle occupant in a vehicle collision and provides the torsion bar 70 with EA rotation while twisting the torsion bar 70, the stop gear 82 is screwed toward the positioning member 86 and brought into contact therewith.
In the present invention, a small occupant is restrained by a first region I of a main bag 2. In such case, a sub-bag 3 is positioned inside the main bag 2, and the degree of opening of a vent hole 5 is large. When a large occupant P is restrained, the sub-bag 3 expands from an inlet/outlet 6 of the main bag 2, a valve member 8b overlaps the vent hole 5, and a gas flows through a small vent hole 12 and flows out.
B60R 21/239 - Inflatable members characterised by their venting means
B60R 21/205 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in dashboards
This steering wheel 1 has a steering hub section 7, a wheel section 2, and spoke sections 8L, 8R extending from the steering hub section 7 and continuous with the wheel section 2. A vibrator 10 is installed in a vibrator housing section S in the core metal 3 of the housing section 2. The vibrator 10 is configured so that an eccentric weight 13 is rotated by the rotation of a motor 11, the speed of which is reduced by a gear device 12.
A side edge section 22 of a belt webbing 20 for restraining an occupant has a bag shape. A weft 40 is aligned in a central section 21, but is divided in the side edge section 22 into a front side and a rear side which are respectively woven with warps 32, 33. The warps 32, 33 are thinner than the warp 31 in the central section.
When this front passenger's seat airbag 1 is completely inflated, recesses 8, 9 extending in the vertical direction are formed on both, left and right sides of an occupant-facing surface 2. A protrusion 10 between the recesses 8, 9 restrains the occupant's head and left and right protrusions 11, 12 restrain the occupant's shoulders. If the occupant restrained is of a small stature, the recesses 8, 9 are maintained.
B60R 21/205 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in dashboards
33.
AIRBAG, AIRBAG DEVICE, AND AIRBAG PRODUCTION METHOD
Provided are an airbag, an airbag device and an airbag production method with which motion relative to a passenger seat can be reduced. An airbag device 1 comprises an airbag 2 positioned on a seat S of a vehicle, and a gas supply means 3 supplying gas to the airbag 2, wherein the airbag 2 comprises: a plurality of expansion parts (first expansion part 21 to sixth expansion part 26) positioned in a line so as to be stacked in order from an upstream side to a downstream side in an expansion deployment direction D; a first tether 4 linking respective upstream side end parts of the plurality of expansion parts (the first expansion part 21 to the sixth expansion part 26); a second tether 5 linking respective downstream side end parts of the plurality of expansion parts (the first expansion part 21 to the sixth expansion part 26); and a gas supply passage 6 communicating with the plurality of expansion parts (the first expansion part 21 to the sixth expansion part 26).
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
This seat belt retractor is provided with: a spool for winding a seat belt; a lock mechanism having a locking member which normally rotates with the spool and which, when actuated, prevents the spool from rotating in the direction in which the seat belt is pulled out; a motor for providing power for rotating the spool; and a power transmitting mechanism disposed on the same side as the lock mechanism with respect to the spool and transmitting the power of the motor to the spool. The power transmitting mechanism has a clutch disposed on a different shaft from the rotating shaft of the spool. The clutch blocks the transmission of rotational force from the spool to the motor and transmits rotational force from the motor to the spool.
An airbag device (10) comprising: an inflator (30); and an airbag (20) which is expanded by means of a gas supplied from the inflator (30). The airbag comprises: a rear inflation part (21) which expands at the rear surface side of a seat (60); a pair of lateral inflation parts (22A, 22B) which extend forwards from the respective sides of the rear inflation part (21) in the widthwise direction of the seat (60); and a pair of front inflation parts (23A, 23B) which respectively extend from the lateral inflation parts (22A, 22B) toward the centre, and connect with one another at the centre, covering the front of a passenger. A gas flow channel is formed in the airbag (20) in the order: rear inflation part (21), lateral inflation parts (22A, 22B), and front inflation parts (23A, 23B).
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
B60N 2/427 - Seats or parts thereof displaced during a crash
B60R 21/231 - Inflatable members characterised by their shape, construction or spatial configuration
An airbag device comprising: an inflator (30); an airbag (20) which is expanded by means of a gas supplied from the inflator (30); and an accommodating part (40) which is arranged in the seat back (62) of a seat, and which accommodates the airbag (20) when the airbag is not released, prior to the supply of gas by the inflator (30). The airbag (20) comprises: a pair of support points (41) which are provided at the respective sides, in the widthwise direction, of the seat (60), further to the forward side of the seat (60) than the accommodating part (40); and tab members (42) which connect the airbag and the pair of support points (41).
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
B60N 2/427 - Seats or parts thereof displaced during a crash
B60R 21/231 - Inflatable members characterised by their shape, construction or spatial configuration
A buckle switch 20 includes a magnetic sensor for detecting the latch of a tongue plate 6. The magnetic sensor is installed inside a sensor chip 21. The sensor chip 21 is disposed above a synthetic-resin base mold 31. A top mold 32 is formed by insert molding. There is no circuit substrate in the buckle switch 20.
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
A44B 11/25 - BucklesSimilar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
B60R 22/48 - Control systems, alarms, or interlock systems, for the correct application of the belt or harness
This seat belt retractor is provided with an EA mechanism for absorbing and mitigating the energy of an occupant by limiting a load applied onto a seat belt. The EA mechanism is built in a spool, is connected at one end to the spool, is lockable at the other end by a lock mechanism, and has: a torsion bar that absorbs the energy on the basis of a rotational difference between the spool and the lock mechanism; a deceleration mechanism that is disposed between the spool and the torsion bar; and a switching mechanism for switching the ratio of reduction, by the deceleration mechanism, from the spool to the torsion bar from one to a prescribed value greater than one.
B60R 22/28 - Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
B60R 22/38 - Belt retractors, e.g. reels self-locking in an emergency responsive only to belt movement
B60R 22/415 - Belt retractors, e.g. reels self-locking in an emergency with additional means allowing a permanent locking of the retractor during the wearing of the belt
Provided are a pretensioner, a retractor, and a seat belt device in which a sealing member can be formed from an inexpensive and highly machinable material, and which facilitates cost reduction and ease of machining. A power transmission device 32 includes: a rod-shaped power transmission member 32a that transmits power to a ring gear 31 while being plastically deformed; a pipe-shaped pressure container 32b that guides the power transmission member 32a to the ring gear 31; a sealing member 32c that is disposed behind the power transmission member 32a; a piston 32d that is disposed behind the sealing member 32c; and a gas generator 32e that is disposed at the rear end of the pressure container 32b. The pressure container 32b is provided with a diameter-reduced section 32f formed at the leading end. The sealing member 32c has a diameter D larger than the gap G of the diameter-reduced section 32f, and has a hardness lower than that of the pressure container 32b, and is configured to stop while being plastically deformed in the event of collision with the diameter-reduced section 32f.
This airbag is provided with a front panel and a rear panel. The front panel and the rear panel are joined together throughout the outer periphery of both the panels. Before being joined, the front panel and the rear panel each have, in a plan view, a propeller shape having a plurality of blade-like portions which radially extend from the center portion so as to form recessed portions between the adjacent blade-like portions. The plurality of blade-like portions of the front panel are joined to the corresponding recess portions of the rear panel, respectively.
Provided are a surface skin material and a steering wheel that can be easily manufactured from few layers while having electroconductive properties and ensuring flexibility. A surface skin material 1 is characterized by being provided with a base material layer 11, an elastic body layer 12 layered on the base material layer 11, a coating layer 13 applied to the elastic body layer 12, and a shield layer 14 layered on the side of the base material layer 11 opposite the elastic body layer 12, and moreover is characterized in that the elastic body layer 23 includes an electroconductive material.
According to the present invention, an inflator 4 operates and a passenger facing surface 2f expands along the front surface of a passenger P. Tethers 31, 32 produce tension by being pulled by the passenger facing surface 2f and valves 21, 22 enter a state of overlapping vent holes 11, 12. As a result, the amount of gas flowing out through the vent holes 11, 12 is reduced. When the passenger P is restrained by a main bag 2 that has inflated and expanded and the passenger facing surface 2f is pushed inward by the passenger P, the tethers 31, 32 relax, the valves 21, 22 move away from the vent holes 11, 12, and the gas inside the main bag 2 flows out through the vent holes 11, 12. When the passenger is small, the constraint of the passenger is completed before a sub bag 3 finishes inflating.
A horn switch and steering wheel are provided with which it is possible to reduce the space used for the horn switch. A horn switch 4 comprises: a guide pin 41 provided with a first end part 411 that is slideably connected in the axial direction to a first opening 211 formed in a core metal 2, and a second end part 412 disposed so as to be able to lock to a second opening 322 formed in an airbag module 3; a stopper 42 provided with a flange part 421 that is fixed to the shaft part of the guide pin 41; a damper 43 disposed in a space formed by the first end part 412 and the flange part 421, the damper 43 being locked to the inner edge of the second opening 322; a horn spring 45 disposed between the flange part 421 and the core metal 2; a fixed-side contact 46 disposed in the core metal 2; and a movable-side contact 47 disposed in the airbag module 3.
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
This air bag device is provided with an air bag 2, an inflator 3, a retainer 10, and a diffuser 30. A bolt 21 for a mounting ring 20 is inserted into a bolt insertion hole 3c provided in the air bag 2, the retainer 10, and the flange 3b of the inflator 3, and a nut 23 is engaged with the bolt 21. The diffuser 30 has a flange section 31 which has a center opening 32 provided at the center thereof, and a side wall SW which rises from the peripheral edge of the center opening 32 and surrounds the side peripheral surface of the body of the inflator 3. The side wall SW includes a first side wall section 34 and a second side wall section 35 which is higher than the first side wall section 34. The front end of the second side wall section 35 reaches up to a gas ejection opening 3d in the inflator 3.
B60R 21/217 - Inflation fluid source retainers, e.g. reaction canistersConnection of bags, covers, diffusers or inflation fluid sources therewith or together
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
An airbag 1 is provided with a first chamber C1 and a second chamber C2 surrounding the periphery of a vehicle-occupant side of the first chamber C1. This airbag 1 has a front panel 4 on the vehicle-occupant side, a rear panel 2 on the reverse side from the vehicle-occupant side, and a plurality of side panels 5 which forms a side peripheral part of the airbag 1 and is interposed between the front panel 4 and the rear panel 2. One end part of the side panel 5 on the reverse side from the vehicle-occupant side is connected to a peripheral edge part of the rear panel 2, and the other end part of the side panel 5 is connected to an intermediate part 5d between the one end part and the other end part of the side panel 5. A middle portion between the other end part 5b and the intermediate part 5d of the side panel 5 is connected to the peripheral edge part of the front panel 4. The second chamber C2 is surrounded by a portion of the side panel 5 between the other end part 5b and the intermediate part 5d.
A buckle lifter comprises: a motor; a feed screw that rotates by the drive force of the motor; a slider that can move along the extension direction of the feed screw due to the rotation of the feed screw; a wire, one end of which is connected to the slider; a wire guide that causes the other-end side of the wire to curve in a direction different from the extension direction of the one-end side; a buckle linked to the other end of the wire, the buckle being capable of advancing and withdrawing in accordance with the advancement or withdrawal of the wire accompanying the movement of the slider; a harness connected to the buckle; a cover disposed between the buckle and the wire guide, the wire and the harness being disposed inside the cover; and a bushing provided inside the cover, the bushing having a wire insertion hole through which the wire is passed, and a harness insertion hole through which the harness is passed.
Provided is a seatbelt retractor comprising: a spool for winding a seatbelt; a motor for rotating the spool; a drive circuit for driving the motor; and at least one rectifier element which is always connected in parallel to the motor and which returns an electric current to the motor, the electric current having been generated in the motor by a counter-electromotive force. Also provided is a seatbelt winding mechanism comprising: a spool for winding a seatbelt; a motor for rotating the spool; and at least one rectifier element which is always connected in parallel to the motor and which returns an electric current to the motor, the electric current having been generated in the motor by a counter-electromotive force.
Provided is an air bag 1 for a front passenger seat, which is inflated and expanded between the front passenger seat and an instrument panel. This air bag 1 is provided with a main bag 2, and a left sub-bag 3 and a right sub-bag 4, which are connected to the left and right side portions of the main bag 2. The extended section 3A of the left sub-bag 3 is inflated so as to protrude further rearward than the main bag 2. The left sub-bag 3 is connected to the main bag 2 through communication openings 5, 6, and the right sub-bag 4 is connected to the main bag 2 through a communication opening 15. The communication openings 5, 15 have substantially the same opening area and are substantially left-right symmetric in position.
B60R 21/231 - Inflatable members characterised by their shape, construction or spatial configuration
B60R 21/205 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in dashboards
49.
BUCKLE, STATE OF ALERTNESS DETERMINATION SYSTEM, AND STATE OF ALERTNESS DETERMINATION METHOD
Provided is a buckle comprising: a sensor for outputting an output signal that varies according to the breathing of a crew member in a vehicle; a detection unit for detecting a frequency component of the breathing from the output signal by means of frequency analysis; and a determination unit for determining the state of alertness of the crew member on the basis of the frequency component detected by the detection unit. Also provided is a state of alertness determination method, in which: a sensor provided in a buckle outputs an output signal that varies according to the breathing of a crew member in a vehicle; a detection unit detects a frequency component of the breathing from the output signal by means of frequency analysis; and a determination unit determines the state of alertness of the crew member on the basis of the frequency component detected by the detection unit.
A buckle (8) comprises: a sensor (20) that outputs an output signal that changes according to the tensile force generated in a seatbelt (4); and a detection unit (30) that detects the wearing state of the seatbelt (4) according to changes in the output signal. A seatbelt wearing state detection system (15) comprises: the buckle (8) having the sensor (20), which outputs the output signal that changes according to the tensile force generated in the seatbelt (4); and the detection unit (30) which detects the wearing state of the seatbelt (4) according to the changes in the output signal. This belt wearing state detection method is configured such that the sensor (20) in the buckle (8) outputs the output signal, which changes according to the tensile force generated in the seatbelt (4), and the detection unit (30) detects the wearing state of the seatbelt (4) according to changes in the output signal.
B60R 22/48 - Control systems, alarms, or interlock systems, for the correct application of the belt or harness
B60K 28/02 - Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
This air bag 1 for a front passenger's seat is inflated and expanded between the front passenger's seat and an instrument panel. The air bag 1 is provided with a main bag 2 and also with a left sub-bag 3 and a right sub-bag 4, which are connected to the left and right side portions of the main bag 2. A vent hole 8 is provided in the front portion of a side surface of the main bag 2. A valve member 10 having a valve cloth 11 and making the opening area of the vent hole 8 variable is provided along the inner surface of the main bag 2.
B60R 21/239 - Inflatable members characterised by their venting means
B60R 21/205 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in dashboards
Provided is a heater for a steering wheel, the heater being provided with: a band-like heating element having a pair of side edges formed to extend along the circumferential direction of an annular rim part of the steering wheel in a state where the heater is attached to the rim part; and a pair of elastic bodies installed at the pair of side edges along the longitudinal direction of the heating element, wherein, when the heater is attached to the rim part from the outer circumferential side of the rim part, the pair of side edges is positioned to be rolled in toward the inner circumferential side of the rim part due to contraction of the pair of elastic bodies.
B62D 1/06 - Rims, e.g. with heating meansRim covers
H05B 3/20 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
Provided are a pretensioner, a retractor, and a seat belt device, wherein the strength of a power transmission member in an initial drive stage is ensured, and simultaneously, sliding resistance relative to the power transmission member in a steady drive stage is reduced. A retractor 1 includes a spool 2 which winds webbing for retaining a vehicle occupant, and a pretensioner 3 which windsthe webbing in an emergency to remove slack in the webbing. The pretensioner 3 includes a ring gear 31 which is connected to the spool 2, and a power transmission device 32 which transmits power to the ring gear 31 in an emergency. The power transmission device 32 includes a rod-shaped power transmission member 32a which transmits power to the ring gear 31 while plastically deforming. The front end of the power transmission member 32a has an enlarged section 32b formed thicker than the remaining portion of the power transmission member 32a. The enlarged section 32b is formed from the same material as the power transmission member 32a.
A retainer 10 has mounted thereto an air bag 2, an inflator 3, and a diffuser 30. The diffuser 30 has a main surface section 31, leg sections 32 extending in four radial directions, and flap sections 34 extending in four radial directions. The main surface section 31 covers the front head side of the inflator 3. The leg sections 32 extend through a mounting ring 20 and an opening 12 for the inflator, and through between the retainer 10 and the flange section 3b of the inflator 3. The bolts 21 of the mounting ring 20 are inserted through small holes 33 in the leg sections 32.
B60R 21/261 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
A buckle into which a plate of a tongue attached to a seat belt of a vehicle is inserted, wherein: a support point, and an action point on which a rotational force acts about the support point on the basis of a load applied to the tongue are inside the buckle; and the buckle has a built-in sensor that outputs a signal based on the force acting on the action point or the support point. For example, the sensor is installed at a site in contact with the plate. For example, the sensor is installed on a bottom wall of a frame that is secured to the inner side of an exterior cover of the buckle.
Provided is an air bag configured so that, in the inflated state thereof, a recess is formed in a chest-restraining area in the occupant-facing surface of the air bag, and the portion of the air bag other than the recess has a large inflation thickness. A driver's seat air bag 1 is formed by sewing a front panel 2 and a rear panel 3 together. The rear panel 3 is provided with a left tuck 12 which extends from the upper left to the lower left, and a right tuck 11 which extends from the upper right to the lower right. The tucks 11, 12 increase the inflation thickness of the driver's seat air bag 1. A recess 6 is formed in an occupant chest-restraining area in the driver's seat air bag 1 by a tether 20.
B60R 21/231 - Inflatable members characterised by their shape, construction or spatial configuration
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
B60R 21/205 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in dashboards
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
This pretensioner is provided with: a wire having one end which is connected to a webbing for restraining an occupant in a vehicle; a piston which is connected to the other end of the wire; a cylinder which accommodates the piston in a slidable manner; a housing through which the wire passes and which holds the cylinder; and a gas generator which supplies gas, for operating the piston in the wire pull-in direction, to the piston through a gas chamber in the housing. The piston has, at one end thereof on the gas chamber side, a cylindrical portion extending in the axial direction of the piston, and adjusts the initial volume of the gas chamber by adjusting the volume of the inner space of the cylindrical portion.
This airbag device is provided with: an airbag; a cover part which covers the airbag; a fitting member which is fitted on the front side of the cover part; a fitting-member-side locking part which is provided on the back surface of the fitting member; a mounting hole which is provided in the cover part so as to penetrate the front surface and the back surface thereof and which allows the locking part to pass therethrough to the back surface side of the cover part when the fitting member is fitted; a cover-side locking part which is provided on the back surface of the cover part and which is disposed side by side with the locking part that has passed through the mounting hole; and a fastening member which fastens the fitting member on the back surface side of the cover part by being inserted into the locking part.
B60R 21/203 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in steering wheels or steering columns
B60R 21/2165 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components characterised by the covers for the inflatable member characterised by a tear line for defining a deployment opening
Provided are a steering wheel having an attractive appearance and a manufacturing method for the same. A wheel portion 4 has: an annular core metal 10 disposed around a boss portion 2 so as to have an equal radius therebetween; a closing member 20 engaged with the core metal 10; a resin molded body 30 surrounding the core metal 10 and closing member 20; and a decorative layer 40 disposed on the outer periphery of the resin molded body 30. The metal core 10 is U-shaped in cross-section thereof and has a pair of leg pieces 11, 11 and a connecting piece 12 for connecting one end sides of the leg pieces 11, 11. After closing a recess 13 with the closing member 20, injection molding is performed to form the resin molded body 30.
B62D 1/06 - Rims, e.g. with heating meansRim covers
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
The purpose of the present invention is to provide an air bag control device and method which are able to address changes due to aging in accordance with environmental conditions in which an air bag device is installed. An air bag control device and method for activating an inflator of an air bag on the basis of an emergency detection signal, said air bag control device and method being characterized in that environmental load of the air bag device is integrated, and when the integrated value of the environmental load has reached a predetermined value, either an alert is issued and/or the inflator is not activated even when a vehicular emergency is detected. The environmental load includes temperature and humidity, for example.
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
The invention relates, inter alia, to a belt retractor (10) for a safety belt device, with a belt reel (20) for winding up and unwinding the safety belt, a pretensioner drive (40) and a pyrotechnic tensioner drive (30), wherein the pretensioner drive (40) has a force-flux-control element (100) which, in a deactivation position, interrupts the force flux between pretensioner drive (40) and belt reel (20). It is provided that the pyrotechnic tensioner drive (30) has one or more drive elements (33) which, after activation of the pyrotechnic tensioner drive (30), is or are set into motion, and, after activation of the pyrotechnic tensioner drive (30), the force-flux-control element (100) is adjusted directly or indirectly by the drive element (33) or – in the case of a plurality of drive elements (33) – by at least one of the drive elements (33) of the pyrotechnic tensioner drive (30) into the deactivation position.
A seat belt retractor equipped with: a spool for winding up a seat belt; a spiral spring connected at one end to a rotary shaft of the spool and biasing the spool in the direction the seat belt is wound up; a spring case connected with the other end of the spiral spring and rotatably disposed about the rotary shaft; a first rotation detection section for detecting rotation of the spool; a second rotation detection section for detecting rotation of the spring case; and a motor for rotating the spring case in accordance with the difference between the rotation amount of the spool detected by the first rotation detection section and the rotation amount of the spring case detected by the second rotation detection section.
Provided are: a steering wheel configured such that a sensor is mounted on the steering wheel, the surface hardness of the steering wheel is maintained, and the steering wheel is excellently designed; and a method for manufacturing the steering wheel. This steering wheel 1 has a steering hub 7, a wheel 2, and spokes 8L, 8R, 8D extending from the steering hub 7 and continuous with the wheel 2. The wheel 2 is provided with: a metallic core 3 extending circumferentially along the steering wheel; a foamed synthetic resin layer 4 covering the metallic core 3; a sensor 10 covering the foamed synthetic resin layer 4; and leather 5 directly covering the sensor 10 and forming the outermost surface of the wheel 2. The sensor 10 has a circular arc shape or an annular shape extending in the circumferential direction of the steering wheel and is composed of a plurality of sensors having a U-shaped or C-shaped cross-sectional shape. The outer surfaces of the sensors are continuous without steps.
B62D 1/06 - Rims, e.g. with heating meansRim covers
B60R 16/027 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric for transmission of signals between vehicle parts or subsystems between relatively movable parts of the vehicle, e.g. between steering wheel and column
64.
Seat belt retractor and seat belt apparatus having the same
A seat belt retractor for a seat belt includes a spool for winding the seatbelt, a first seat belt load limiting mechanism for limiting load applied on the seat belt in an emergency, a second seat belt load limiting mechanism for limiting the load applied to the seat belt when a predetermined condition based on an emergency situation is satisfied in the emergency, a driving member for actuating the second seat belt load limiting mechanism, and a controller for controlling the driving member. When the predetermined condition is satisfied, the controller sets the second seat belt load limiting mechanism in an operative state by not actuating the driving member. When the predetermined condition is not satisfied, the controller sets the second seat belt load limiting mechanism in an inoperative state by actuating the driving member.
A side airbag apparatus includes a side airbag having a plurality of partitioned chambers therein to be inflated and deployed in a space between a side wall portion of a body of a motor vehicle and an occupant seated on a seat disposed inside the body. An inflator has an approximately cylindrical shape and blows gas out for inflating and deploying the side airbag from one side in a longitudinal direction of the inflator. A cylindrical member is disposed in a manner so as to cover the one side in the longitudinal direction of the inflator and has a squeezing portion for restricting a flow path of the gas blown out from the inflator.
B60R 21/207 - Arrangements for storing inflatable members in their non-use or deflated conditionArrangement or mounting of air bag modules or components in vehicle seats
B60R 21/26 - Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
patents
