US 11,787,360 B2
Vehicle seat and method for folding side airbag
Yuto Ota, Toyota (JP); Kazuhiro Kawamura, Toyota (JP); Yuta Arai, Yokohama (JP); Atsushi Nakashima, Yokohama (JP); and Takayuki Shimizu, Yokohama (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP); and AUTOLIV DEVELOPMENT AB, Vargarda (SE)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP); and AUTOLIV DEVELOPMENT AB, Vårgårda (SE)
Filed on Oct. 21, 2022, as Appl. No. 17/971,170.
Claims priority of application No. 2021-179712 (JP), filed on Nov. 2, 2021.
Prior Publication US 2023/0138018 A1, May 4, 2023
Int. Cl. B60R 21/207 (2006.01); B60R 21/231 (2011.01)
CPC B60R 21/207 (2013.01) [B60R 21/23138 (2013.01); B60R 2021/23146 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A vehicle seat comprising:
a seat back including an upper frame;
an inflator configured to supply gas; and
a side airbag including a head chamber housed along the upper frame of the seat back and configured to inflate and deploy between a shoulder belt and a head in response to supply of gas from the inflator in an event of side collision,
wherein the head chamber is housed while being folded in a seat up-and-down direction multiple times into a bellows form to reduce a vertical width and then rolled from a front end in a seat fore-and-aft direction, the bellows form defines a plurality of head chamber folded portions overlapping in a vehicle width direction.