Airbag module of a vehicle passenger restraint system

US12291158B2 · kind B2 · utility

Assignee

• ZF Automotive Germany GmbH · DE

Inventors

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

Key dates

• Filing date: Oct 28, 2021
• Grant date: May 6, 2025
• Expiry date: Oct 28, 2041

Classification

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

Abstract

The invention relates to an airbag module (10) of a vehicle occupant restraint system, specifically a knee airbag module, comprising a folded inflatable airbag (12) for restraining a vehicle occupant, a module housing (14) which includes a flexible airbag sheath (16) at least partially enclosing the folded airbag (12), and comprising a module cover (18) which includes fasteners (20) for fastening the module cover (18) to the module housing (14), wherein the flexible airbag sheath (16) of the module housing (14) is fixed directly to said fasteners (20), and wherein at least one flexible anchoring element (22, 22′) is provided which extends between the folded airbag (12) and the module cover (18) and limits or prevents expansion of the folded airbag (12) toward the module cover (18).