Patent ID: 11926278
Assignee: DAICEL CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 21:
22. An airbag device, comprising:
a seat frame that forms a skeleton of a vehicle seat on which an occupant of a vehicle sits;
an airbag that is disposed on a backrest portion that supports a back of the occupant in the vehicle seat and that is deployed by supply of gas; and
a gas generator that is disposed at a seating surface portion that supports buttocks of the occupant in the vehicle seat and that generates gas to be supplied to the airbag; wherein a part that is a portion of the seat frame and includes at least a portion of a back frame forming a skeleton of the backrest portion, is formed as a flow tube that connects to the airbag to supply gas generated by the gas generator to the airbag, wherein
the gas generator is a first gas generator,
the airbag device further includes a second gas generator disposed at the seating surface portion spaced apart in a width direction of the vehicle seat from the first gas generator,
the first gas generator and the second gas generator are disposed in a region surrounded by a cushion frame that forms a skeleton of the seating surface portion of the seat frame and attached along a side frame disposed on a side of the buttocks of the occupant of the cushion frame,
the cushion frame is provided with a first cover portion that covers the first gas generator from a seating surface side of the seating surface portion and a second cover portion that covers the second gas generator from the seating surface side, and
the seating surface portion is formed with a holding portion that holds the side buttocks of the occupant from both sides in a width direction of the vehicle seat with the cushion, attached to the cushion frame, covering the first cover portion and the second cover portion.