| 摘要 |
An electric small gas generator used mainly as a seat belt pretensioner gas generator, comprising an ignitor (10), a body (40) disposed in contact with a connector part (13) side of a swelling part (12) of the ignitor (10), a bottomed tubular holder (30) having, in a bottom surface thereof, an opening part (31) allowing a flame from the ignitor (10) to be passed and disposed so as to cover the outer periphery of a header part (11) and the swelling part (12) of the ignitor (10), a bottomed tubular cup (20) having an inner peripheral side surface overlapped with the outer peripheral side surface of the holder (30) and also having a closed part (21) on the bottom surface thereof, and drive medicine (50) stored in the cup (20), wherein an opening end part (33) of the holder (30) and the opening end part (22) of the cup (20) are fixed by caulking after overlapped on the body (40) so as to hold the ignitor (10) by the holder (30) and the body (40) through the swelling part (12), closely fit the outer peripheral side surface of the holder (30) to the inner peripheral side surface of the cup (20) with no clearance, and form a drive medicine storage part (28) between the opening part (41) side of the holder (30) and the closed part (21) of the cup (20). |
