Patent ID: 9033362
Filing Date: 2015-05-19
Classification: B60R

Abstract:
1. A front passenger seat air bag apparatus comprising: a case that is a box that is arranged on an underside of an air bag door provided in a portion of an instrument panel in front of a front passenger seat, and that has a bottom wall portion that opposes the air bag door, and that is open on an air bag door side; an air bag that is housed folded in the case; a tubular tube vent that is provided on a side wall portion of the air bag when the air bag is in a deployed state, the tube vent forms a vent hole for communicating inside of the air bag with outside of the air bag; a tether, one end side of which passes through the inside of the air bag and is connected to a tip end portion of the tube vent; an inflator that is formed in a cylindrical shape and is arranged with a vehicle width direction being an axial direction of the inflator, and that is attached to the bottom wall portion, with an axial center offset to a vehicle front side with respect to a center, in a vehicle longitudinal direction, of the bottom wall portion, and that supplies gas to the air bag; and an actuator includes an actuator main body and a holding portion, the actuator main body is fixed to the bottom wall portion of the case with the vehicle width direction being an axial direction of the actuator, the actuator main body is fixed to the bottom wall portion of the case rearward, in the vehicle longitudinal direction, of the inflator, the holding portion is provided on an end portion, from among end portions on both sides in the axial direction of the actuator main body, on a side corresponding to the tube vent, and that holds the other end side of the tether, wherein the actuator is selectively placed in one of a first operating state that holds the other end side of the tether and closes the vent hole by pulling the tip end portion of the tube vent into the air bag by the tether when the air bag deploys, and a second operating state that releases the other end side of the tether and opens the vent hole by making the tube vent protrude outside of the air bag when the air bag deploys.