Abstract: Provided are a horn switch and steering wheel capable of reducing a space for the horn switch. A horn switch 4 includes: a guide pin 41 provided with a first end part 411 axially slidably connected to a first opening 211 of a core metal 2, and a second end part 412 disposed to be locked to a second opening 322 of an airbag module 3; a stopper 42 provided with a flange part 421 fixed to the shaft part of the guide pin 41; a damper 43 disposed in a space between the second end part 412 and the flange part 421 and 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.

Abstract: The air bag device is provided with an air bag 2, an inflator 3, a retainer 10, and a diffuser 30. A bolt 21 for an attachment ring 20 is inserted into bolt insertion holes 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 portion 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 portion 34 and a second side wall portion 35 which is higher than the first side wall portion 34. The distal end of the second side wall portion 35 reaches up to a gas ejection opening 3d in the inflator 3.

Abstract: An air bag has a large occupant-receiving area when expanded. The air bag has: a top chamber, which expands along a ceiling part; a first chamber, which expands downwards and rearwards from the rear part to the top chamber; a second chamber continuous from the lower part of the first chamber, the second chamber expanding downwards; and a third chamber continuous from the lower part of the second chamber, the third chamber expanding forwards. The expanded first chamber restrains the head of an occupant, and the second chamber restrains the chest to the trunk.

Abstract: An air bag 2, an inflator 3, and a diffuser 30 are attached to a retainer 10. The diffuser 30 has a main surface portion 31, leg piece portions 32 extending in four radiating directions, and flap portions 34. The main surface portion 31 covers a head side of the inflator 3. The leg piece portion 32 passes through a mounting ring 20 and an inflator opening 12 and passes between the retainer 10 and a flange portion 3b of the inflator 3. A bolt 21 of the mounting ring 20 is inserted through a small hole 33 of the leg piece portion 32.

Abstract: Provided are a pretensioner, a retractor, and a seat belt device which can achieve both securing of the strength of a power transmission member in an initial driving stage and reduction of the sliding resistance against the power transmission member in a steady driving stage. The retractor 1 includes a spool 2 for winding up webbing for restraining an occupant and a pretensioner 3 for winding up the webbing in an emergency to remove slack. The pretensioner 3 includes a ring gear 31 connected to the spool 2 and a power transmission device 32 for transmitting 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 being plastically deformed. A tip end of the power transmission member 32a has an enlarged portion 32b formed thicker than other portions of the power transmission member 32a. The enlarged portion 32b is made of the same material as the power transmission member 32a.

Abstract: Provided is an airbag configured so that, in the inflated state thereof, a recess is formed in a chest restraint area in the passenger facing surface of the airbag, and the portion of the airbag other than the recess has a large inflation thickness. A driver-side airbag 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 portion 12 which extends from the upper left to the lower left, and a right tuck portion 11 which extends from the upper right to the lower right. The tuck portions 11 and 12 increase the inflation thickness of the driver-side airbag 1. A recess 6 is formed in a passenger chest restraint area in the driver-side airbag 1 by a tether 20.

Abstract: An airbag device includes: an airbag that is folded in normal times and is inflated and deployed in emergency situations; an inflator that supplies a gas to the airbag; a retainer that supports the airbag and the inflator; a module cover that has a plate-like section and a side wall section provided upright on the plate-like section, wherein a hook formed on the retainer is retained in an opening formed in the side wall section; and a first protector cloth that is retained in the hook, and covers an upper surface of a folded body of the airbag to maintain a folded shape of the airbag.

Abstract: A driver airbag 1 is formed by sewing a front panel 2 and a rear panel 3 together. The rear panel 3 has a horizontal first tuck portion 21, a second tuck portion 22 extending from a right upper side toward a left lower side, and a third tuck portion 23 extending from a left upper side toward a right lower side. The tuck portion 22 and the tuck portion 23 intersect in an upper part of the rear panel 3. Since most of the second and third tuck portions 22, 23 are located in an upper half section of the rear panel 3, the upper part of the driver airbag 1 has a larger thickness than that of a lower part when the driver airbag 1 is inflated completely.

Abstract: A knit includes a knitted fabric into which a ground yarn is knitted and a heater wire configured to be energized to generate heat to heat a vehicle member. The heater wire is inlaid into the knitted fabric by inlay stitch.

Abstract: A pretensioner includes a drive wheel provided with a plurality of engaging teeth for rotating a spool, the spool for winding up a webbing for fastening a passenger; and an elongated resin component that transmits power to the drive wheel during an emergency, wherein the plurality of teeth is positioned such that, when one engaging tooth is caused to contact a tip of the elongated resin component in an approximately planer manner, another engaging tooth adjacent to the one engaging tooth in a direction opposite to a rotation direction can contact a side surface of the elongated resin component.

Abstract: An occupant restraint belt webbing forms a long occupant restraint belt to restrain a vehicle occupant, and includes a plurality of warp yarns and a plurality of weft yarns. The plurality of warp yarns and the plurality of weft yarns are woven so as to extend orthogonally to each other. The warp yarns or the weft yarns include an infrared light absorption yarn.

Abstract: A pretensioner includes a driving wheel and a power transmission unit. A spool is rotatably disposed in the driving wheel. The spool winds a webbing. The power transmission unit transmits power to the driving wheel. The power transmission unit includes a resin-made long body and a passage of the resin-made long body. The resin-made long body rotates the driving wheel. The passage is formed in an outer circumference of the driving wheel. The passage includes a wall surface, a cover member and a stopper. The wall surface is disposed on one side surface of the driving wheel. The cover member is fixed in the wall surface from the other side surface of the driving wheel. The stopper stops a tip portion of the resin-made long body which has rotated the driving wheel. The stopper is configured by a fastening member connecting the cover member and the wall surface.

Abstract: Provided is an occupant leg restraint device suitable for restraining legs of an occupant when an automobile has an oblique collision. An occupant leg restraint device 1 has an airbag 4 that inflates in front of legs of an occupant in a front seat of an automobile, and an inflator 5 for supplying gas to the lower part of the airbag 4 to inflate the airbag 4. The airbag 4 has a first pane 11 on the occupant side and a second panel 12 on the side opposite thereto. A plurality of pockets 60 recessed from the first panel 11 in the direction away from the occupant are provided in the upper part of the airbag 4. Knees N of the occupant enter the pockets 60, and fit into and engage with the pockets 60, and the lateral movement of the knees N is thereby restrained.

Abstract: An air bag has a large occupant-receiving area when expanded. The air bag has: a top chamber, which expands along a ceiling part; a first chamber, which expands downwards and rearwards from the rear part to the top chamber; a second chamber continuous from the lower part of the first chamber, the second chamber expanding downwards; and a third chamber continuous from the lower part of the second chamber, the third chamber expanding forwards. The expanded first chamber restrains the head of an occupant, and the second chamber restrains the chest to the trunk.

Abstract: A curtain airbag is folded and stored in an upper portion of a vehicle body under normal circumstances, and is inflated and expanded along a side window in emergency situations. The curtain airbag includes a front chamber to be inflated and expanded along the side window of a front seat of the vehicle body; a first gas supply port to supply gas to the front chamber, the first gas supply port being disposed at an upper portion of the front chamber; a sub-chamber smaller than the front chamber and disposed above the front chamber; and a second gas supply port disposed rearward of the sub-chamber, and communicated with and narrower than the first gas supply port. The sub-chamber is stored in a state of being folded on a front surface of the front chamber on a vehicle interior side at a portion of the second gas supply port.

Abstract: A curtain airbag and device capable of stabilizing a position of a main panel in a vehicle length direction (longitudinal direction) and in a vehicle width direction (lateral direction) at the time of inflation and development. A curtain airbag is provided with a main panel forming an inflatable portion, a guide panel arranged on a rear surface arranged on a side window side of the main panel, and a connecting member which connects the main panel to a vehicle body, the main panel including a folded portion obtained by folding a lower end in a flat development view toward the rear surface side, the guide panel including an upper end connected to the main panel and a lower end connected to the folded portion, and the connecting member including a first end connected to the vehicle body and a second end connected to the folded portion.

Abstract: 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.

Abstract: A gas pressure actuator includes a cylindrical housing, a piston rod; the piston rod being accommodated inside the housing prior to driving the gas pressure actuator; a gas generator arranged at one end side in an axial direction of the housing, wherein, during driving the gas pressure actuator, the gas generator causes the piston rod to extend from the housing by generating high pressure gas; and a holding assembly that secures the gas generator to the one end side in the axial direction of the housing, wherein the holding assembly is provided with a first coupler hole for coupling the gas pressure actuator to a first hinge at a first position on an axis line of the gas pressure actuator.