US 12,291,158 B2
Airbag module of a vehicle passenger restraint system
Daniel Elija, Schwabisch Gmünd (DE); and Werner Freisler, Schwabisch Gmünd (DE)
Assigned to ZF AUTOMOTIVE GERMANY GMBH, Alfdorf (DE)
Appl. No. 18/250,758
Filed by ZF AUTOMOTIVE GERMANY GMBH, Alfdorf (DE)
PCT Filed Oct. 28, 2021, PCT No. PCT/EP2021/079930
§ 371(c)(1), (2) Date Apr. 27, 2023,
PCT Pub. No. WO2022/090366, PCT Pub. Date May 5, 2022.
Claims priority of application No. 10 2020 128 335.0 (DE), filed on Oct. 28, 2020.
Prior Publication US 2023/0391285 A1, Dec. 7, 2023
Int. Cl. B60R 21/217 (2011.01); B60R 21/206 (2011.01); B60R 21/2342 (2011.01); B60R 21/231 (2011.01)
CPC B60R 21/206 (2013.01) [B60R 21/2171 (2013.01); B60R 21/2176 (2013.01); B60R 21/2342 (2013.01); B60R 2021/23169 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A knee airbag module of a vehicle occupant restraint system, comprising
a folded inflatable airbag for restraining a vehicle occupant,
an inflator for inflating the airbag,
a module housing comprising a flexible airbag sheath and a module cover that in combination encircle the folded airbag define a holding space in which the folded airbag and inflator are enclosed, wherein the module cover includes fasteners for fastening a first end of the module cover directly to the airbag sheath, and wherein a second end of the module cover comprises a mounting portion configured to be secured to structure affixed to the vehicle, and
at least one flexible anchoring element that is positioned in the holding space and extends between the folded airbag and the module cover along a portion of the module cover configured to delimit the airbag module toward a footwell of the vehicle, wherein the anchoring element is secured to the airbag module adjacent the mounting portion of the module cover, and wherein the anchoring element is configured to limit expansion of the folded airbag toward the module cover prior to inflation.