Toyoda Gosei Co., Ltd.

Takuya Hiraiwa

Yuji Sato

Takashi Iida

Masashi Hotta

Koji Kawamura

Shinichi Ishida

Masaaki Okuhara

Keita Suzuki

Motoyuki Tanaka

Eiji Sato

Yoshiaki Goto

Kensaku Honda

Yasushi Okada

Jun Sato

Akira Yamashita

Minoru Ono

Norio Mizuno

Koji Hosoe

Masashi Baba

Ryo Kumazaki

Hiromi Kondo

An airbag for a passenger seat is folded and stored in a storage so as to be deployed towards the passenger seat in such a manner as to enlarge towards the left and right when exiting the storage. The airbag includes a bag body that includes a mount-side portion to be mounted on the storage, and a cover panel that is made of a flexible sheet-shaped material and covers an outer circumference of the mount-side portion of the bag body. The cover panel is configured to cover an edge of a peripheral member of the storage at least in left and right sides of the storage at airbag deployment. The cover panel is joined to the bag body in such a manner that its edge portion is capable of slipping relative to the bag body at least in the left and right portions.

Airbag for a passenger seat

An airbag device includes an airbag formed with a discharge portion. The discharge portion includes: an opening portion; a tack portion around the opening portion; and a regulating belt portion disposed on a peripheral edge of the opening portion to regulate opening and closing of the opening portion. When the inflation of the airbag is completed, the tack portion is maintained in a folded state by the regulating belt portion due to tension acting on the regulation belt portion, so that a closed state of the opening portion is capable of being maintained, and when the tension does not act on the regulating belt portion, the folded state is released and the opening portion is brought into an open state.

Airbag device

A passenger seat airbag device includes an airbag including a front collision restraining surface, and an oblique collision restraining portion including a protruding portion in which a surface is set as an oblique collision restraining surface, and a restraining recess portion whose facing surfaces are able to restrain the head of the occupant. The rear wall main portion has the front collision restraining surface. The rear wall end edge portion has the oblique collision restraining surface. The upper edge of the rear wall end edge portion is coupled to a rear edge of the upper wall portion. The lower edge of the rear wall end edge portion is coupled to a rear edge of the lower wall portion. An entire edge of the separation edge of the rear wall end edge portion is coupled to a rear edge of the rear edge side portion.

Passenger seat airbag device

An airbag having an exhaust hole and an opening/closing control device configured to control opening and closing of the exhaust hole are provided. The airbag includes a bag body, and a discharge portion having the exhaust hole, the discharge portion is configured to maintain a blocked state of the exhaust hole by being drawn into the bag body at the time of inflation of the bag body in a state where connection between a connection member and the opening/closing control device is maintained, and to be inflated by protruding from the bag body at the time of inflation of the bag body in a state where the connection between the connection member and the opening/closing control device is released to open the exhaust hole. A dummy inflation portion inflated to partially protrude from the bag body is formed at a position approximately symmetrical to the discharge portion. A volume of the dummy inflation portion at the time of inflating completion is set to be smaller than a volume of the discharge portion in a state where the exhaust hole is open at the time of inflation.

Airbag device with exhaust hole

An airbag device includes an airbag, a connecting member extending from the airbag, and an actuator mounted on an airbag housing for controlling an inflation manner of the airbag. The actuator includes an actuator body that includes an operating pin which penetrates the connecting member, a mounting plate that holds the actuator body and is secured to the airbag housing, and a supporting plate that is disposed in a vicinity of a leading end portion of the operating pin. The supporting plate includes a supporting hole for receiving the operating pin, and a flange that is formed in a part of a periphery of the supporting hole toward which the connecting member is released. The flange extends along an axial direction of the operating pin towards the leading end of the operating pin for supporting the leading end portion of the operating pin with its surface facing the operating pin.

An airbag device includes: an airbag having an exhaust hole capable of discharging a part of the inflation gas introduced therein upon opening; and an opening/closing control device capable of controlling opening/closing of the exhaust hole. The airbag has: a flexible bag main body; a discharge part having the exhaust hole; and a coupling member. Peripheral edges of a pair of peripheral wall constituting parts are joined to form the bag main body and the discharge part. Discharge part forming portions, which constitute the discharge part, partially protrude in the peripheral wall constituting parts, respectively. An opening, which constitutes the exhaust hole, is formed in a region, which is closer to a tip end-side of the discharge part than seal parts crimped to each other when the discharge part is pulled into the bag main body.

Airbag device having controlled exhaust hole

A side airbag device includes: an airbag which is stored in a storage part provided on a side of an occupant sitting on a seat of a vehicle in a normal posture, and is deployed and inflated forward between the occupant and a side wall part by an inflation gas supplied from a gas generator in response to an impact applied from a side to the side wall part of the vehicle; an exhaust port configured to exhaust an inflation gas, the exhaust port being provided with the airbag and open toward a direction along a wall surface of the side wall part; and an opening varying mechanism configured to reduce an opening area of the exhaust port in a later stage of deployment and inflation of the airbag compared to an initial stage.

Side airbag device

A side airbag apparatus includes an inflator, an airbag having a main inflation portion and an auxiliary inflation portion, and a restriction portion. The main inflation portion is configured to be inflated by inflation gas supplied from the inflator and deployed forward in a space between a side wail of the vehicle and an occupant seated in a normal posture in a vehicle seat. The auxiliary inflation portion is configured to be inflated in a seat back by the inflation gas from the inflator, thereby pushing the occupant toward an inner side of the vehicle. The restriction portion restricts the auxiliary inflation portion from being inflated toward a gap that is between the rear end section in the outer side portion of the seat back and the rear end section in the middle portion of the seat back.

Side airbag apparatus

A vehicle seat with a side airbag apparatus includes a seat back having a seat frame, a side airbag apparatus having an airbag and an inflator, and an entry preventing portion. The seat frame includes a pressure receiving plate and an outer frame portion, which surrounds the pressure receiving plate. The airbag and the inflator are installed in the outer side section of the seat back. The airbag includes a main inflation portion and an auxiliary inflation portion. The auxiliary inflation portion is inflated on the front side of the pressure receiving plate prior to inflation of the main inflation portion, thereby pushing the occupant toward the inner side. The entry preventing portion prevents the auxiliary inflation portion being inflated from entering the gap between the outer frame portion and the pressure receiving plate.

Vehicle seat with side airbag apparatus

In a head protection airbag device equipped with an airbag, a boundary closing portion is disposed between a main inflation portion and an end-side inflation portion of the airbag at the time of completion of inflation so as to partition the main inflation portion and the end-side inflation portion; the boundary closing portion is provided with a distribution port that is configured to allow the inflating gas from the main inflation portion to flow to the end-side inflation portion, between the upper edge and the lower edge of the peripheral portion; and the boundary closing portion is equipped with a vertical closing portion disposed along a substantially vertical direction on the lower side, and an inclined closing portion that extends in an obliquely upward direction of the main inflation portion from the vicinity of the upper end of the vertical closing portion.

Head protection airbag device

In a folding completion body of an airbag, the airbag includes: an airbag body configured to be stored on an upper edge of a window on an inboard side of a vehicle; and a plurality of mounting pieces which extend from an upper edge of the airbag body and mount the airbag body to the upper edge of the window, the lower edge of the airbag body in a flatly deployed state is folded to be brought close to the upper edge so as to form a folded body; a folding-collapse preventing member is assembled to the folded body; and the mounting piece with the lug is folded and superimposed to the upper edge of the airbag body in the folded body, and the lug is interposed between the folding-collapse preventing member and a surface of the folded body so as to be fixed to the folded body.

Folding completion body of airbag and airbag

An occupant protection apparatus is provided with a first airbag device having a window airbag that protects an occupant in a vehicle and a second airbag device having an adjacent airbag that completes inflation to contact the window airbag for which inflation is completed, thereby protecting the occupant. Where the internal pressure of an inflation chamber at the contact site during contact with the adjacent airbag by the window airbag is P1 and the internal pressure of the adjacent airbag is P2, P1&#x3c;P2 is satisfied. The wrap amount of the inflation chamber with the adjacent airbag is set as a proportion of a calculated value or less of a predetermined numeric expression.

Occupant protection apparatus

An airbag includes a main inflation portion, in which an inflator is arranged, and an auxiliary inflation portion, the volume of which is smaller than that of the main inflation portion. The main inflation portion is deployed forward in a space between an occupant and a side wall of the vehicle. Prior to the deployment of the main inflation portion outside the seat back, the auxiliary inflation portion is inflated inside the seat back with inflation gas from the inflator to push the occupant toward the inner side. The main inflation portion and the auxiliary inflation portion each have a communication port that connects the main inflation portion and the auxiliary inflation portion to each other. The airbag includes an inflation promoting structure, which promotes the inflation of the auxiliary inflation portion compared to the inflation of the main inflation portion.

An airbag of a head-protecting airbag device includes a bag body and a connecting member. The bag body includes a general inflatable portion and a terminal inflatable portion adjoining the general inflatable portion and located at a terminal region in a front and rear direction of the bag body. The connecting member is disposed over an outboard side of the terminal inflatable portion and includes at the leading end a mounting portion to be secured to a periphery of a vehicle window. The root end of the connecting member is jointed to a closed portion of the bag body at least by two jointing points disposed away from each other in an up and down direction. The jointing points are generally equally distant from the mounting portion.

Head-protecting airbag device

An airbag of a head-protecting airbag device includes a bag body, a plurality of mounting tabs for mounting an upper edge of the bag body on the vehicle body, and a tension cloth. The bag body includes at its terminal region in a front and rear direction where the tension cloth is located a terminal inflatable portion that is partitioned from a remaining general inflatable portion by a terminal partitioning portion. The terminal inflatable portion is so deployable that its upper end region be deployed on an inboard side of a pillar. The mounting tabs include a terminal mounting tab located at the terminal region where the terminal inflatable portion is located and a general mounting tab located at the general inflatable portion. An upward protruding amount of the terminal mounting tab out of the bag body in an unfolded state is greater than that of the general mounting tab.

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Kiyosu, Japan

Takuya Hiraiwa