US 12,115,929 B2
Airbag apparatus for vehicle
Dong Young Kim, Hwaseong-si (KR); Seok Min Lee, Seoul (KR); Ga Ram Jeong, Yongin-si (KR); and Dong Joon Lee, Yongin-si (KR)
Assigned to HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed by HYUNDAI MOBIS CO., LTD., Seoul (KR)
Filed on Jul. 7, 2023, as Appl. No. 18/348,491.
Claims priority of application No. 10-2022-0169055 (KR), filed on Dec. 6, 2022.
Prior Publication US 2024/0181985 A1, Jun. 6, 2024
Int. Cl. B60R 21/2338 (2011.01); B60R 21/0136 (2006.01); B60R 21/015 (2006.01); B60R 21/233 (2006.01); B60R 21/237 (2006.01); B60R 21/239 (2006.01); B60R 21/264 (2006.01); B60R 21/00 (2006.01)
CPC B60R 21/2338 (2013.01) [B60R 21/0136 (2013.01); B60R 21/01554 (2014.10); B60R 21/233 (2013.01); B60R 21/237 (2013.01); B60R 21/239 (2013.01); B60R 21/264 (2013.01); B60R 2021/0048 (2013.01); B60R 2021/23308 (2013.01); B60R 2021/23382 (2013.01); B60R 2021/23388 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A vehicle airbag device comprising:
an airbag cushion including a main cushion deployed toward a passenger by receiving airbag gas generated by an inflator;
an auxiliary cushion deployed by receiving airbag gas through the main cushion;
a tether release device fixed to an airbag housing and activated by an electrical signal; and
a tether interconnecting the auxiliary cushion and the tether release device, the tether being released when the tether release device is activated;
wherein, when the tether remains unreleased while the airbag cushion deploys, a middle portion of the auxiliary cushion is pressed against the main cushion by pull of the tether, and right and left side portions of the auxiliary cushion are filled with the airbag gas to protrude toward the passenger.