Patent ID: 8651512

Claim:
A passenger airbag apparatus comprising: an airbag configured to inflate and expand between a panel and a passenger from an opening in said panel, the panel constituting an inner wall of a vehicle; a retainer configured to include a body including a substantially rectangular bottom surface and substantially rectangular frame-shaped side walls and to house said airbag in a folded state; arm members configured to extend from said side walls along left and right directions of said vehicle in a state where said retainer is attached to said vehicle, and to be affixed to said panel; a substantially disk-shaped gas generator attached to said bottom surface of said body and configured to supply gas to said airbag; and a support member arranged in a manner that the upper end portion of the support member is attached to an outer periphery of said opening of said panel and to cover sides of said airbag in the folded state, wherein: said retainer further includes hook members on said side walls along front and rear directions of said vehicle in a state where said retainer is attached to said vehicle, and configured to engage said body with said support member by passing through through-holes in said support member; said body and said hook members are integrally constructed with substantially the same thickness by extrusion molding; wherein the body further includes a flange having a shape that widens toward an edge side, on an upper end portion of an entire periphery of said substantially rectangular frame-shaped side walls; wherein each hook member includes a plurality of horizontally spaced apart rib portions extending from the flange downwards to the side walls.