US 12,434,656 B2
Restraining device, restraining assembly and seat unit
Sylvain Leforestier, Doudeauville (FR); Frederic Charpentier, Le Vauroux (FR); Christophe Fleury, Chars (FR); Marc Marchand, Le Vaumain (FR); Olivier Richez, Rouen (FR); Erle Nedelec, Gournay-en-bray (FR); Julien Halgrin, Doudeauville en Vexin (FR); Laurent Lengaigne, La Chaussée (FR); Jean-Yves Burel, Bully (FR); Laurent Hellot, La Feuillie (FR); and Carole Gailhard, Gournay en Bray (FR)
Assigned to Autoliv Development AB, Vargarda (SE)
Appl. No. 18/839,588
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Dec. 15, 2022, PCT No. PCT/EP2022/086207
§ 371(c)(1), (2) Date Aug. 19, 2024,
PCT Pub. No. WO2023/160859, PCT Pub. Date Aug. 31, 2023.
Claims priority of application No. 10 2022 104 440.8 (DE), filed on Feb. 24, 2022.
Prior Publication US 2025/0162532 A1, May 22, 2025
Int. Cl. B60R 21/231 (2011.01); B60R 21/00 (2006.01); B60R 21/2338 (2011.01)
CPC B60R 21/23138 (2013.01) [B60R 21/2338 (2013.01); B60R 2021/0032 (2013.01); B60R 2021/0048 (2013.01); B60R 2021/0058 (2013.01); B60R 2021/23386 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A restraining device of a seat unit, which seat unit further comprises a vehicle seat with a seating and a backrest adapted to support a person seated in the vehicle seat, said restraining device comprising:
an airbag cushion being deployable to a deployed state, wherein said airbag cushion comprises a first part having a backrest-proximate first end,
wherein in the deployed state, said first part:
is configured to extend from the backrest-proximate first end thereof in a first direction over a shoulder of the person sitting in the vehicle seat to a backrest-distal second end (30b) being located in front of the person's head and/or torso, and
extends in a second direction from a person-outer third end to a person-inner fourth end,
wherein the airbag cushion additionally comprises a second part being connected to the first part, and a third part being connected to the first part and to the second part, wherein in the deployed state:
said second part extends in a third direction from a fifth end to a sixth end and from a backrest-proximate seventh end to a backrest-distal eighth end, such that at least an upper section of said second part is configured to extend laterally of the person's head, and
said third part extends in the second direction from a person-outer ninth end to a person-inner tenth end, such that at least an upper section of said third part is configured to face the person's face; and
the restraining device further comprises a first belt for securing the airbag cushion to the vehicle seat, the first belt and the airbag cushion forming a restraining assembly, the first belt secured at a first end to the backrest and at a second end to the seating, and the first belt further configured to extend over an upper surface of the first part and through the third part.