Patent ID: 7290796
Filing Date: 2007-11-06
Classification: B60R

Abstract:
1. An inflator, comprising: an inflator housing including therein a pressurized medium and provided with an opening portion, the inflator housing having an longitudinal axis; a diffuser including a gas discharging hole for discharging the pressurized medium and connected to the opening portion such that the inflator housing extends in a first direction along the longitudinal axis with respect to the diffuser; a rupturable plate closing an outflow path between the diffuser and the opening portion; an igniter provided in the diffuser and rupturing the rupturable plate, the igniter including therein a priming for generating a combustion product at actuation thereof; and a gas discharging port being a cylindrical tubular member and attached to the gas discharging hole, the gas discharging port being arranged to extend, with respect to the diffuser, in a second direction opposite to the first direction and parallel to the longitudinal axis, wherein said inflator satisfies at least one of the following requirements (a) to (d): (a) the igniter has a charge holder arranged to surround at least the priming from the outside and including an open end that opposes the rupturable plate; (b) the igniter has a cup arranged to include at least a priming therein and the cup has a fragile portion in a portion facing the rupturable plate: (c) an explosive is attached on the surface of the rupturable plate; and (d) the rupturable plate has a fragile portion.