US 12,109,966 B2
Airbag apparatus for a vehicle seat and vehicle seat having an airbag apparatus
Arndt Söhnchen, Hamburg (DE); Ronald Jabusch, Elmshorn (DE); Hans-Jörg Langhoff, Bönningstedt (DE); Antto-Christian Glaesser, Hasloh (DE); Alexandru Cirstea, Elmshorn (DE); and Jens Ehlers, Horst (DE)
Assigned to Autoliv Development AB, Vargarda (SE)
Appl. No. 18/246,278
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Sep. 8, 2021, PCT No. PCT/EP2021/074630
§ 371(c)(1), (2) Date Mar. 22, 2023,
PCT Pub. No. WO2022/063571, PCT Pub. Date Mar. 31, 2022.
Claims priority of application No. 10 2020 125 263.3 (DE), filed on Sep. 28, 2020.
Prior Publication US 2023/0356684 A1, Nov. 9, 2023
Int. Cl. B60R 21/207 (2006.01); B60R 21/231 (2011.01); B60R 21/2338 (2011.01)
CPC B60R 21/207 (2013.01) [B60R 2021/23107 (2013.01); B60R 2021/23146 (2013.01); B60R 2021/23386 (2013.01); B60R 2021/23388 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An airbag apparatus, comprising:
an airbag module including an airbag, the airbag module configured to be attached to a vehicle seat;
a catch strap module configured to be attached to the vehicle seat, the catch strap module including:
a catch strap including a fixed end and a distal end, the distal end coupled to the airbag;
a first guide element configured to guide the catch strap;
a second guide element configured to guide the catch strap, wherein the first guide element is configured to guide the catch strap between the fixed end of the catch strap and the second guide element, and wherein the second guide element is configured to guide the catch strap between the first guide element and the distal end of the catch strap such that the catch strap extends in a first direction between the first guide element and the second guide element and in a second direction between the second guide element and the distal end; and
a tightening device comprising:
a tightening element configured to contact the catch strap between the fixed end of the catch strap and the first guide element; and
a pyrotechnic drive configured to accelerate the tightening element to tighten the catch strap.