US 11,718,265 B2
Vehicular airbag device
Tae Ik Gwon, Hwaseong-si (KR); Jong Ki Byun, Hwaseong-si (KR); and Dae Chang Jung, Hwaseong-si (KR)
Assigned to Autoliv Development AB, Vargarda (SE)
Appl. No. 17/286,144
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Oct. 11, 2019, PCT No. PCT/KR2019/013329
§ 371(c)(1), (2) Date Apr. 16, 2021,
PCT Pub. No. WO2020/080747, PCT Pub. Date Apr. 23, 2020.
Claims priority of application No. 10-2018-0125401 (KR), filed on Oct. 19, 2018; and application No. 10-2019-0073680 (KR), filed on Jun. 20, 2019.
Prior Publication US 2021/0370863 A1, Dec. 2, 2021
Int. Cl. B60R 21/233 (2006.01); B60R 21/207 (2006.01); B60R 21/2338 (2011.01); B60R 21/264 (2006.01)
CPC B60R 21/233 (2013.01) [B60R 21/207 (2013.01); B60R 21/2338 (2013.01); B60R 21/264 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An airbag apparatus of a vehicle, the airbag apparatus comprising:
an airbag cushion;
an inflator for generating gas by an impact detection signal upon a vehicle collision to supply the gas to the airbag cushion; and
a defining device for defining a deployed shape of the airbag cushion,
wherein the airbag cushion includes a first cushion deployable from a first lateral side of a backrest of a seat of the vehicle, a second cushion deployable from a second lateral side of the backrest, and a connection portion at a top of the airbag cushion laterally extending between and connecting the first and second cushions, both of the first and second cushions deployable from the backrest in forward, upward and down directions to protect an occupant of the seat in an event of a vehicle collision,
wherein the defining device includes first and second tethers each having an upper end connected to front ends or lower ends of the first and second cushions, respectively, and a lower end connected to the seat proximate a front part of the seat and arranged to extend downward and forwardly from a respective one of the first and second cushions to the seat upon inflation and deployment of the first and second cushions.