Patent ID: 7695004

Claim:
An airbag apparatus comprising an airbag module installed in a backrest of a vehicle seat, the backrest having a side support on each side with respect to a direction of a width of a vehicle, each side support having a base portion located at a position closer to a center of the backrest with respect to the direction of the vehicle width, the airbag module being installed in a side portion of the back rest that faces an exterior of the vehicle, wherein the airbag module includes a gas generator that generates gas in response to impact from a side of the vehicle, and an airbag that is inflated and deployed by the gas generated by the gas generator, wherein the airbag includes a first airbag portion, which is inflated and deployed obliquely forward and toward a center of a passenger compartment in the vehicle, and a second airbag portion, which is inflated and deployed forward of the vehicle, wherein a first pressure receiving portion is provided in the backrest and in a vicinity of an exterior side of the first airbag portion, and wherein the first pressure receiving portion receives, through the first airbag portion, a pressure of gas supplied into the first airbag portion from the gas generator, thereby applying, to the first airbag portion, a reaction force directed obliquely forward and toward the center of the passenger compartment, wherein a second pressure receiving portion is provided in the backrest and in a vicinity of a rear end of the second airbag portion, and wherein the second pressure receiving portion receives, through the second airbag portion, a pressure of gas supplied into the second airbag portion from the gas generator, thereby applying, to the second airbag portion, a reaction force directed forward of the vehicle, wherein the first pressure receiving portion extends along a front-rear direction of the vehicle, wherein the second pressure receiving portion extends along the direction of the width of the vehicle from a front end of the first pressure receiving portion.