Patent ID: 7641219
Filing Date: 2010-01-05
Classification: B60R,Y10T

Abstract:
1. An arrangement for fixing a gas generator of an air bag unit with an air bag housing with an inflatable air bag fixed therein, the arrangement comprising: a generator chamber connected to the air bag housing, a gas generator connected to a firing unit, as well as a diffuser, for the gas flowing into the air bag from said gas generator if the air bag is fired, said gas generator chamber having an inner wall; and a spring-elastic fastening element, whereby said gas generator is accommodated by said generator chamber and said gas generator is mounted at an axial end thereof, in a fixed bearing, said spring-elastic fastening element being pressed in an area of a free axial end of said gas generator lying opposite said fixed bearing between an outer circumference thereof and an inner circumference of said generator chamber axially overlapping said gas generator, said fastening element in a pretensioned state, arched into said generator chamber in the axial direction in a section between an outer wall of said gas generator and said inner wall of said generator chamber, whereby said fastening element digs with an outer circumference thereof to said inner wall of said generator chamber, at least partially embracing said bottom of said gas generator, which is formed at this axial end, and sealing said generator chamber, said fastening element having a radial outer edge, and said radial outer edge digging into said inner wall of said generator chamber.