US 12,296,771 B2
Airbag device for arranging on a backrest part of a moveable seat device of a motor vehicle, and seat device
Eric Gärtner, Stuttgart (DE); Claus Geisler, Herrenberg (DE); and Lutz Quarg, Boeblingen (DE)
Assigned to MERCEDES-BENZ GROUP AG, Stuttgart (DE)
Appl. No. 18/294,689
Filed by MERCEDES-BENZ GROUP AG, Stuttgart (DE)
PCT Filed Aug. 2, 2022, PCT No. PCT/EP2022/071750
§ 371(c)(1), (2) Date Feb. 2, 2024,
PCT Pub. No. WO2023/012187, PCT Pub. Date Feb. 9, 2023.
Claims priority of application No. 10 2021 004 054.6 (DE), filed on Aug. 5, 2021.
Prior Publication US 2024/0343218 A1, Oct. 17, 2024
Int. Cl. B60R 21/233 (2006.01); B60R 21/207 (2006.01); B60R 21/231 (2011.01)
CPC B60R 21/207 (2013.01) [B60R 21/233 (2013.01); B60R 2021/23153 (2013.01); B60R 2021/23308 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A seat device for a motor vehicle, the seat device comprising:
a backrest part;
an airbag device arranged on the backrest part of the seat device, wherein the airbag device comprises
a first gas bag configured to be deployed into a receiving position by a deployment unit of the airbag device according to an actuation signal, wherein in the receiving position the first gas bag is configured to receive a body part of an occupant of the motor vehicle, wherein the occupant is facing the backrest part and the occupant is behind the seat device when viewed in a direction of longitudinal movement of the seat device;
a second gas bag, which at least in the receiving position, is configured to be deployed between the backrest part and the first gas bag, wherein the first gas bag is a tubular structure bag that consists of an actively filled tubular structure and a valve film; and
a third gas bag, which in the deployed state, is configured to be deployed ahead of the first gas bag and is facing the occupant.