US 11,858,448 B2
Airbag device and vehicle seat
Takayuki Shimizu, Kanagawa (JP); and Atsushi Nakashima, Kanagawa (JP)
Assigned to Autoliv Development AB, Vargarda (SE)
Appl. No. 17/904,169
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Jan. 20, 2021, PCT No. PCT/JP2021/001834
§ 371(c)(1), (2) Date Aug. 12, 2022,
PCT Pub. No. WO2021/161748, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 2020-023895 (JP), filed on Feb. 16, 2020; and application No. 2020-112188 (JP), filed on Jun. 29, 2020.
Prior Publication US 2023/0069779 A1, Mar. 2, 2023
Int. Cl. B60R 21/207 (2006.01); B60R 21/231 (2011.01); B60R 21/233 (2006.01); B60R 21/00 (2006.01)
CPC B60R 21/207 (2013.01) [B60R 21/231 (2013.01); B60R 21/233 (2013.01); B60R 2021/0044 (2013.01); B60R 2021/0048 (2013.01); B60R 2021/23308 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An airbag device in combination with a vehicle seat including a seat frame inside a seatback, the airbag device comprising:
an inflator secured to the seat frame of the vehicle seat for generating expansion gas; and
an airbag stowed in the seatback in an elongated compressed state and for expansion and deployment by the expansion gas discharged from the inflator,
wherein:
the airbag in a stowed state includes a lower portion area below the inflator and an upper portion area above the inflator arranged along the seat frame,
the lower portion area is arranged inside the seat frame, and
the upper portion area is arranged outside the seat frame.