Patent ID: 7125041

Claim:
A gas generator, comprising: an igniter assembly including an igniter main body having an ignition portion adapted to be ignited by an ignition electric current; an igniter collar which accommodates the igniter main body; a cup body having an opening portion, the igniter assembly and the cup body being connected to each other, such that at least the ignition portion of the igniter main body is surrounded by the cup body; a gas generating agent accommodated inside the cup body, and a tubular crimp case having an upper end and a lower end, the tubular crimp case connecting and fastening the cup body to the igniter collar by bending the upper end of the tubular crimp case towards the igniter collar, such that a first bent portion formed at the upper end of the tubular crimp case presses a part of the cup body against a part of an exterior surface of the igniter collar.