Abstract: Provided are a seat belt retractor and a seat belt device capable of stably supplying components and avoiding an increase in cost even when an injection body made of resin is used. A spool 2 which winds up webbing which restrains an occupant, a base frame 3 which accommodates the spool 2 so as to be rotatable, a spring unit 4 which biases the spool 2 in a winding direction, a pretensioner 5 capable of winding up the webbing in an emergency, and a lock mechanism 6 capable of stopping withdrawal of the webbing are provided, the pretensioner 5 including a rotating body 51 concentrically connected to the spool 2 and an injection body 52a made of resin which rotates the rotating body 51, the rotating body 51 made of metal having a wall thickness T half a diameter D of the injection body 52a or smaller.
Abstract: A seat belt retractor that has a simple structure, easy to manufacture and operates accurately is provided, and a seat belt apparatus provided with the seat belt retractor is also provided. The seat belt retractor includes energy absorbing mechanisms that absorb and alleviate the energy of a vehicle occupant by limiting a load applied to a seat belt. The energy absorbing mechanisms is coaxially incorporated in a spool, whose one end portion is retained by the spool and the other end can be locked by the lock mechanism, and obtains a rotational force when being twisted.
Abstract: Provided is an occupant's leg restraint device suitable for restraining the legs of an occupant when an automobile has an oblique collision or an offset barrier collision. The occupant's leg restraint device has an airbag and an inflator for supplying gas to the lower part of the airbag to inflate the airbag, and the airbag has a first panel on the occupant side and a second panel on the side opposite thereto. An upper part of the inside of the airbag is divided into small chambers by vertical separating panels that are joined to the first panel and the second panel and that extend vertically. In a state where the airbag has inflated, recessed portions having a depth of 20 to 40 mm are formed in the occupant-side surface of the airbag along the vertical separating panels.
Abstract: A webbing for a passenger restraint belt forms a long passenger restraint belt to restrain a vehicle passenger. The webbing includes warp yarns and weft yarns. The warp yarns and weft yarns are woven so as to extend orthogonally to each other. The warp yarn includes at least one conductive yarn and non-conductive yarns. Anon-conductive yarn is thicker than the at least one conductive yarn.
Abstract: An airbag unit is provided that can be easily installed and removed. The airbag unit includes an airbag that covers, upon being unfolded, at least a part of a hood or a windshield outside a vehicle, a gas generator that ejects gas into the airbag, a cover bottom member that accommodates therein the airbag yet to be expanded and the gas generator, a cover lid member that covers the cover bottom member in which the airbag is accommodated, and a bracket removably supported by the body of the vehicle, and removably supporting the cover bottom member and the cover lid member.
February 3, 2015
Date of Patent:
May 14, 2019
Fuji Heavy Industries Ltd., TAKATA CORPORATION
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 airbag unit is provided that can be quickly unfolded, and also retrofitted to an existing vehicle body. The airbag unit includes an airbag that covers, upon being unfolded, at least a part of a hood or a windshield outside a vehicle, a gas generator that ejects gas into the airbag, a cover bottom member that accommodates therein the airbag yet to be expanded and the gas generator, a cover lid member including a cover lid plate that covers the cover bottom member in which the airbag is accommodated, and a cowl cover attached to the cover lid plate between the hood and the windshield.
February 3, 2015
Date of Patent:
February 12, 2019
FUJI HEAVY INDUSTRIES LTD., TAKATA CORPORATION
Abstract: A steering wheel includes a steering hub portion, a wheel portion and a spoke portion. The spoke portion extends from the steering hub portion and is connected with the wheel portion. The wheel portion includes a core metal and a cover layer. The core metal circles around the steering wheel. The cover layer covers the core metal. A vibrator housing portion is provided at a part in a circling direction of the core metal. The core metal includes a U-shaped cross section in the vibrator housing portion in a radial direction of the wheel portion. A partition wall is provided inside of the core metal to divide and form the vibrator housing portion. A case is attached to the core metal to cover the vibrator housing portion. The vibrator is disposed in the vibrator housing portion between the core metal and the case. The vibrator is attached to the case.
Abstract: A gas pressure actuator includes a launcher, a gas generator that is disposed at a first axial end of the launcher, a rocket part placed inside the launcher, an end pad and a sealing gasket respectively disposed at a second axial end of the launcher, and a gasket holder supporting the gasket. The rocket part includes a first portion disposed at a location corresponding to the first axial end and a second portion that has a diameter less than that of the first portion and that ranges from the first portion toward the second axial end. The end pad includes a position determination part that determines positioning of the rocket part and restricts the rocket part from being displaced in a direction away from the first axial end. The gasket holder may be pressed by the first portion when the rocket part protrudes from the launcher and plastically deformed.
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: 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: An airbag is a passenger seat airbag that inflates and deploys between a passenger seat and an instrument panel, and has side vent holes and a front vent hole. When an inflator is actuated in a state where a passenger close to the instrument panel exists, a valve cloth opens the front vent hole with the vicinity of the front vent hole away from the windshield.
Abstract: A vehicle occupant restraint device includes an airbag that is provided in a shoulder belt position of a seat belt while being folded in a belt-like shape to be capable of inflating upon receiving a predetermined actuating signal, and the seat belt is wound by a single winding device. The airbag is folded to surround a slide guide including a hard member having seat-belt passing portions arranged at predetermined intervals in an insertion direction of webbing and a soft member supporting the hard member. The airbag smoothly slides along the webbing through the slide guide when the seat belt is pulled out.
Abstract: According to the present invention, a vehicular pop-up hood device includes a cylinder, a piston rod that can protrude from a front end of the cylinder, a gas generator to urge the piston rod, the gas generator provided at a side of a rear end of the cylinder, and a bracket to attach the cylinder to a vehicle body. The bracket includes a top portion engaged with the front end of the cylinder, and an overhanging portion for attachment to the vehicle body, the overhanging portion overhanging from the cylinder in a direction intersecting with an axial direction of the cylinder.
January 4, 2017
Date of Patent:
May 1, 2018
Kazuhiro Abe, Atsushi Noguchi, Koji Inuzuka, Takayuki Kawano
Abstract: To provide a seat belt retractor and a seat belt device capable of shortening time taken to restrict rotation of a spool. A seat belt retractor according to the present invention includes a spool 2, a base frame 3, a spring unit 4, a vehicle sensor 5, a locking mechanism 6, and a pretensioner 7. The locking mechanism 6 includes a lock gear 61 and a retainer 62. The lock gear 61 includes an outer circumferential wall 61a that is disposed at an end portion of the spool 2 and engageable with the vehicle sensor 5. The retainer 62 includes an inner circumferential wall 62a disposed on the inner side of the outer circumferential wall 61a and a side wall 62e that defines a space accommodating the lock gear 61. The lock gear 61 becomes engaged with the inner circumferential wall 62a or the side wall 62e of the retainer 62 when the lock gear 61 becomes eccentric relative to the retainer 62.
Abstract: An inflator (3) includes an inflator main body (10) which is has a tubular shape and has a plurality of gas injection holes (11) on a circumferential surface, and a steel-made collar member (20) which has a gas jet reception part (28) that is disposed so as to face a gas injection holes formation area (R) of the inflator main body (10) across a space.
August 2, 2016
Date of Patent:
March 13, 2018
HONDA MOTOR CO., LTD., TAKATA CORPORATION
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: A buckle includes a supporting member, a case, a lock portion and an illuminating unit. The case covers the supporting member. The lock portion is supported by the supporting member and is covered by the case to lock or unlock a tongue which is inserted into an insertion hole. An insertion hole is formed between the case and the lock portion. The illuminating unit illuminates both ends of the insertion hole of the tongue. The illuminating unit includes a light emitting unit, a light distribution unit, a first diffusing unit and a second diffusing unit. The light emitting unit emits light. The light distribution unit distributes the light emitted by the light emitting unit to form a first light beam and a second light beam. The first diffusing unit diffuses the first light beam. The second diffusing unit diffuses the second light beam.
Abstract: A pretensioner includes a driving wheel and a power transmission unit. A spool is disposed to be rotatable in the driving wheel. The spool winds a webbing which restrains an occupant. The power transmission unit transmits power to the driving wheel during an emergency. The power transmission unit includes a resin-made long body, a pipe and a gas generator. The resin-made long body rotates the driving wheel. The pipe contains the resin-made long body. The gas generator supplies an operation gas into the pipe. The resin-made long body discharged from the pipe is configured to rotate the driving wheel while the resin-made long body is wound around the driving wheel.
Abstract: Provided is an airbag device in which heights of folded bodies of an airbag covered with a protector cloth are different at parts. An airbag device includes a retainer in which an airbag and inflators are mounted; and a protector cloth which covers folded bodies of the airbag. The retainer has first to fourth lateral side portions. The protector cloth has a first area which covers a left half side folded body and a second area which covers a right half side folded body. One ends and other ends of the first area and the second area are engaged by bolts, respectively. A slit is provided between the first area and the second area. A length from the one end of the first area to the other end is shorter than a length from the one end of the second area to the other end.