Patent ID: 11958429
Assignee: AUTOLIV DEVELOPMENT AB
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 12:
13. A side airbag device comprising:
a side support formed at an end part in a width direction of a seatback of a vehicle seat having a surface skin and a seat pad bent and protruding forward as compared to an area at a center of the seatback in the width direction;
a frame side plate portion provided along a seatback side surface inside the side support;
an airbag cushion that is a bag that is rolled or folded into a stowed state and embedded in the side support;
an inflator inserted into the airbag cushion assembled in the frame side plate portion together with the airbag cushion; and
a bracket assembled to the frame side plate portion;
wherein the bracket includes:
a base part arranged between the frame side plate portion and a cushion rear part of the airbag cushion in the stowed state, the cushion rear part assembled to the frame side plate portion with the inflator contained therein; and
a rear wall part that extends and bends outwardly in the width direction of the seatback from a part of the base part more forward than the frame side plate portion, and
wherein the airbag cushion in the stowed state includes:
a cushion extension part extending from the cushion rear part toward a front along the seat pad of the side support of the seatback in the width direction;
a cushion folding part folded from the cushion extension part towards a rear;
a cushion center part rolled or folded at a center side of the frame side plate portion; and
a cushion front part rolled or folded from the cushion folding part toward an outside of the cushion folding part in the width direction of the seatback, the cushion center part formed between the cushion folding part and the cushion front part; and
wherein the cushion extension part receives gas from the cushion rear part, expands towards the center of the seatback, and together with the seat pad, are configured to push on an occupant.