Patent ID: 7413217

Claim:
A gas generator for a human restraining apparatus of a vehicle, comprising: a cylindrical housing which is axially seamless from one end portion to another end portion, is provided with a sealed gas discharge port, and is charged with a pressurized gas in an interior thereof, a part of an outer peripheral portion of the cylindrical housing having a reduced diameter portion such that a part of an inner peripheral portion of the cylindrical housing forms a protruding portion that protrudes into the interior of the cylindrical housing, the protruding portion being formed in any position between two axial end portions of the cylindrical housing; an ignition device disposed in the interior of the cylindrical housing; a gas generating agent which is ignited and burned by the ignition device; a first rupturable member, which is attached to the protruding portion such that the housing is divided axially into a pressurized gas accommodating space accommodating the pressurized gas and an ignition device accommodating space accommodating the ignition device and the gas generating agent; and the gas discharge port being formed in the pressurized gas accommodating space.