US 12,030,453 B2
Side airbag device and method for manufacturing airbag used in same
Yuto Kobayashi, Kanagawa (JP); and Hiroyuki Shima, Kanagawa (JP)
Assigned to AUTOLIV DEVELOPMENT AB, Vargarda (SE)
Appl. No. 17/754,538
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Sep. 2, 2020, PCT No. PCT/JP2020/033300
§ 371(c)(1), (2) Date Apr. 5, 2022,
PCT Pub. No. WO2021/070526, PCT Pub. Date Apr. 15, 2021.
Claims priority of application No. 2019-187144 (JP), filed on Oct. 10, 2019.
Prior Publication US 2024/0059245 A1, Feb. 22, 2024
Int. Cl. B60R 21/231 (2011.01); B60R 21/217 (2011.01); B60R 21/233 (2006.01); B60R 21/235 (2006.01); B60R 21/239 (2006.01); B60R 21/264 (2006.01)
CPC B60R 21/23138 (2013.01) [B60R 21/217 (2013.01); B60R 21/233 (2013.01); B60R 21/235 (2013.01); B60R 21/239 (2013.01); B60R 21/264 (2013.01); B60R 2021/23146 (2013.01); B60R 2021/23324 (2013.01); B60R 2021/23538 (2013.01); B60R 2021/23576 (2013.01)] 14 Claims
OG exemplary drawing
 
8. A side airbag device stowed in a seatback of a vehicle seat, the side airbag device comprising:
an inflator arranged on an occupant side of a side frame positioned on a side part of the seatback, the inflator operative to generate expansion gas; and
an airbag for expanding due to the expansion gas and protecting an occupant seated in the vehicle seat, the airbag including a main chamber for deployment forward of the seatback, and a pre-chamber stowing the inflator in an inner portion thereof and connected to the occupant side of the main chamber, and
an integral joint with no gaps present formed between at least a front edge part of the pre-chamber and the main chamber,
wherein the airbag includes a baffle panel having an inner edge part connected to the inner surface of the inner main panel and an outer edge part connected to an inner surface of the outer main panel,
wherein a front edge part of the pre-chamber is provided so as to draw a curve when viewed from a side part of the vehicle seat in a width direction, and
wherein the front edge part of the pre-chamber and the inner edge part of the baffle panel overlap and draw a curve when viewed from the side part of the vehicle seat in a width direction.