Patent · US Expired

Gas bag restraining device

US6786504B2 · kind B2 · utility

6Cited by

14References

15Claims

0Family size

Assignee

TRW AUTOMOTIVE SAFETY SYSTEMS GMBH · DE

Inventors

Christian Lorenz · Hamburg, DE
Udo Bieber · Niedernberg, DE
John-Oliver Derrick · Hettstadt, DE

Key dates

Filing date	Dec 26, 2001
Grant date	Sep 7, 2004
Priority date	—
Expiry date	May 28, 2022

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2021/21543
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

The invention relates to a gas bag restraining device comprising a gas bag module which has a gas bag with a front wall upon which an occupant to be restrained can impact in a case of restraint. The front wall has a depression which is produced in that a center portion of the front wall is attached to the module and is prevented from moving when the gas bag is inflated. The gas bag restraining device further comprises a module cover closing a ring-shaped outlet opening of the gas bag module. The module cover has a central hole which is covered by a cap which is stationary during opening of said gas bag module. The module cover has an edge defining the central hole and opens, preferably tears, towards outside starting from the edge. A holding connection is provided between the edge and the cap which is released when said gas bag module is opened.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.