Toyoda Gosei Co., Ltd.

Toyota Jidosha Kabushiki Kaisha

Honda Motor Co., Ltd.

Koji Kawamura

Yuji Sato

Masaaki Okuhara

Masashi Hotta

Tsutomu Ishii

Wataru Miura

Takuya Hiraiwa

Yuya Suzuki

Takashi Iida

Hajime Kitte

Toshihito Yanagisawa

Yusuke Kawamura

Takenori Ozaki

Motoyuki Tanaka

Yasushi Masuda

Takanori Komatsu

Shuji Yamamoto

Yoshio Ono

Keigo Kimura

Tadashi Yamada

Yoshiaki Goto

Kensaku Honda

Yasushi Okada

Mikine Hayashi

Hitoshi Iida

Norio Umemura

Naoki Hotta

Ryosuke Jinnai

Kenichi Fukurono

Taizo Suemitsu

Atsushi Kashio

Hitoshi Kawabe

Hiroyuki Nakanishi

Hitomi Takahashi

Tetsuhiro Arima

Sho Ikenohata

Hideo Higashi

Yusuke Kojima

Tatsuya Hashido

Mitsuhiro Hamada

Yuto Hiraiwa

An actuator of an airbag device includes a main body portion, which is attached to an attachment base, and a cap including a fitting protruding portion that is inserted into a fitting recessed portion of the main body portion. The fitting protruding portion has a holding portion, which is inserted into a holding hole of a coupling member when fitted to the main body portion and holds a leading end portion of the coupling member, and a movement permitting unit that, when a ceiling portion of the cap is subjected to pressure of a combustion gas of a squib, causes the ceiling portion to move, and causes the holding portion to move from a holding position, wherein the holding portion is inserted into the holding hole of the coupling member, to a holding released position, wherein the holding portion is removed from the holding hole.

Airbag device

An airbag includes a plurality of base materials made of a sheet body. The base materials include: an occupant side panel; a vehicle body side panel; a front side panel; and a rear side panel. Corresponding edge portions of the occupant side panel, the vehicle body side panel, the front side panel and the rear side panel are configured to be joined to each other by a planar joining operation. Outer peripheral edges of the front side panel and the rear side panel are joined to corresponding edge portions of the vehicle body side panel and the occupant side panel, respectively. The front side panel and the rear side panel are separated from each other on a front-rear direction side, when the inflation is completed, by joining corresponding left and right edges of the vehicle body side panel and the occupant side panel to each other.

Airbag

An airbag device includes an airbag having an exhaust hole and a flap member that can close off the exhaust hole. The flap member includes a flap main body and a coupling member. The leading end of the coupling member is coupled with an opening/closing control device. The flap main body closes off the exhaust hole from an inner peripheral face side of the airbag. A width on the base portion side is set to be greater than a width of the exhaust hole. Whole of the base portion side is joined to the peripheral edge of the exhaust hole in the airbag. The flap main body covers the exhaust hole in a region between straight lines that connect one end each of a joint region on the base portion and a region on the leading end to which the coupling member is caused to be coupled.

An airbag includes a main inflation portion to be deployed and inflated at an outer side of the upper body of an occupant, and an auxiliary inflation portion disposed at a position adjacent to an inner side of the main inflation portion and to be deployed and inflated at an obliquely front outer side of a head portion. In the airbag whose deployment and inflation are completed, a maximum dimension in a facing direction in which an outer main body portion and an inner main body portion of the auxiliary inflation portion face each other is smaller than a dimension in a direction orthogonal to the facing direction. The auxiliary inflation portion has the outer main body portion as a joining area, and is joined to the main inflation portion in the joining area, in a state of being in communication with the main inflation portion.

An airbag apparatus is configured to be used for a vehicle seat including an accommodation portion. The airbag apparatus includes an airbag. The airbag is configured such that a portion of the airbag ejected from the accommodation portion to the position beside the headrest is deployed and inflated in a position rearward of the seat back, and is inflated and deployed away from the accommodation portion in the width direction in a position rearward of the headrest, and that another portion of the airbag ejected from the accommodation portion to the position beside the headrest is deployed and inflated in a position forward of the seat back, and is deployed and inflated in a position forward of a head of an occupant seated in the vehicle seat and away from the accommodation portion in the width direction, so as to wrap around the head.

Airbag apparatus

A steering wheel airbag device includes an airbag and an inflator. The airbag includes: a bag body; and a rectifying member rectifies expansion gas discharged from the inflator. The rectifying member is provided with three gas outlet ports so that the expansion gas can flow out substantially along a ring surface of the ring portion and to left, right, and rear three sides. The rectifying member is configured by partially joining outer peripheral edges of a vehicle body side panel and a driver side panel. The vehicle body side panel is configured to have three joining portions which are joined to corresponding outer peripheral edges of the driver side panel and three non-joining regions between the joining portions arranged on an outer peripheral edge side of the flat surface portion. The gas outlet port is configured by a portion of the non-joining region between the joining portions.

Steering wheel airbag device

An airbag device includes an airbag including: an outer bag; and an inner bag disposed so as to inflate inside the outer bag and having supply ports through which the inflation gas is supplied to the outer bag, the outer hag and the inner hag sharing the inflow opening and the attachment portion. At least one of the supply ports is provided as a lower side supply port disposed in the lower side wall portion, and a gas guide tether that connects a vicinity of an outer edge side of the lower side supply port and the vehicle body side wall portion so as to be able to guide the inflation gas supplied from the lower side supply port to the vehicle body side wall portion side in an inner peripheral surface of the outer bag along a radial direction centered on the inflow opening is provided.

An airbag device includes an airbag, a blocking member that can adjust an exhaust hole of the airbag to a blocked state and an opened state, a coupling member, and a holding and releasing unit, which maintains a state of blocking the exhaust hole by holding the coupling member. When the holding and releasing unit releases the holding of the coupling member, the blocking member inverts in such a way as to be fed out from an inner peripheral face side of the airbag to an outer peripheral face side through the exhaust hole owing to being pressed by inflating gas, and causes inflating gas to be discharged from a through hole formed between leading end regions of outer peripheral edges of a first panel portion and a second panel portion in the blocking member and a communication hole communicating with the exhaust hole.

A steering wheel includes an annular rim portion, a boss section, one or more spokes interconnecting the rim portion and boss section, and a core member interconnecting these portions, the core member including a wheel portion disposed in the rim portion. The steering wheel further includes a cladding layer disposed around the wheel portion, a skin layer disposed on a front surface of the rim portion, and a sensor layer disposed between the cladding layer and the skin layer for detecting the driver's grip. The sensor layer includes a sheet-shaped substrate having stretch properties, a sensor composed of a conductive ink having stretch properties and applied to a front surface of the substrate, and an insulation sheet covering the sensor and having stretch properties. The sensor layer is generally formed into an annular band and mounted on an outer circumferential portion of the cladding layer by being stretched and expanded.

Steering wheel

A steering wheel airbag, arranged to cover a steering wheel when inflation is completed, includes: a front-collision receiving surface which is arranged on a side of a driver when inflation is completed, so as to receive the driver moving forward during a head-on collision of a vehicle, the front-collision receiving surface being arranged substantially along a vertical direction to be tilted with respect to a ring surface of the steering wheel when inflation is completed; and arm restraining parts which are arranged near arms of the driver steering a ring part of the steering wheel on both right and left sides of the front-collision receiving surface when inflation is completed, the arm restraining parts coming into contact with the arms during an oblique collision or an offset collision of the vehicle, so as to prevent a movement of the driver to an obliquely front side.

Steering wheel airbag

An airbag for an airbag device includes an outer bag and an inner bag inflatable inside the outer bag. The outer bag includes a driver-side wall for receiving the driver and a vehicle-side wall that is supported by a ring surface of a ring portion of the steering wheel at airbag deployment, and includes an inlet port of inflation gas and a mounting portion on the steering wheel. The inner bag includes a supply port for supplying the gas to the outer bag. The inner bag completes inflation prior to the outer bag, and the outer bag is inflated with the gas supplied from the supply port. The inner bag as inflated has such a shape that the rear portion protrudes farther rearward than a rear end of the ring surface, and that a height from the ring surface is greater in the rear portion than in the front portion.

Airbag device for a driver's seat

An airbag device includes a steering wheel a rim portion of which has a longer length in a left and right direction than in a front and back direction, and an airbag mounted on a boss section of the steering wheel. An outer shell of the airbag includes a vehicle-side wall that is configured to be supported by an upper surface of the rim portion when deployed, and a driver-side wall a central region of which is configured to deploy generally vertically for receiving the driver. The airbag as deployed includes, in a rear portion of the vehicle-side wall, a locking inflatable portion that protrudes downward from a vicinity of the upper surface of the rim portion of the steering wheel to be locked by a rear surface of the rim portion and prevent a front portion of the airbag from slipping forward.

An airbag device for a driver's seat adapted to be mounted on a boss of a steering wheel disposed at a center of a rim is disclosed. The airbag device includes an inflatable airbag folded in the form of an airbag package. The airbag includes a vehicle-side wall that includes a gas inlet port and is configured to be supported by the rim when deployed, and a driver-side wall. The airbag, before folded into the airbag package, has a flat initial folded form in which the driver-side wall lies over the vehicle-side wall. The initial folded form includes a folded-in portion in which a front edge portion of the vehicle-side wall is folded inwardly and rearwardly beneath a front edge portion of the driver-side wall, and a folded-back portion in which the front edge portion of the driver-side wall which adjoins the folded-in portion is folded towards the inlet port on the vehicle-side wall.

An occupant protection device for protecting an occupant sitting in a front seat of a vehicle. The occupant protection device includes a front airbag device that is adapted to be mounted in front of the front seat and a roof airbag device that is adapted to be mounted on a roof of the vehicle. The front airbag device includes a front airbag that is inflatable and deployable for protecting an upper body of the occupant when an impact is applied to the vehicle from forward. The roof airbag includes a roof airbag that is inflatable and deployable downwardly between the front airbag and the front seat for protecting a head of the occupant when an impact is applied to the vehicle from forward.

Growing community of inventors

Kiyosu, Japan

Koji Kawamura