Knee airbag unit of a vehicle occupant restraint system of a motor vehicle

US11505151B2 · kind B2 · utility

Assignee

• ZF Automotive Germany GmbH · DE

Inventors

• Werner Freisler · Schwäbisch Gmünd, DE
• Daniel Elija · Tegernsee, DE

Key dates

• Filing date: Sep 25, 2018
• Grant date: Nov 22, 2022
• Expiry date: Dec 2, 2038

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2021/23169
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A knee airbag unit (10) of a vehicle occupant restraint system of a motor vehicle is described. The knee airbag unit (10) comprises an airbag module (12), which has a module holder (14), a gas generator (16) and a flexible, non-inherently rigid module housing (18) that at least partially surrounds the gas generator (16) and the airbag in the untriggered state, wherein the gas generator (16), the airbag and the flexible module housing (18) are fastened to the module holder (14). Also provided is a cover (20) forming a module covering and defining an outer side in the installed state of the knee airbag unit (10), which is connected to the airbag module (12). Furthermore, there is an edge-side means (26) securing the cover (20) against lowering, originating from the module holder (14).