Patent ID: 8613468

Claim:
A side-collision airbag apparatus comprising: a side-collision airbag configured to inflate and deploy toward a side portion of an occupant; an inflator configured to inject gas for inflating and deploying said side-collision airbag; and an inflator holder configured to support said inflator; wherein: said inflator comprises: an inflator main body portion that is substantially cylindrical in shape and produces said gas; an injecting portion that protrudes from a tip end of said inflator main body portion; and a clasp portion positioned between said inflator main body portion and said injecting portion; said inflator holder comprises: a holding portion configured to hold said inflator; and a diffuser portion provided to a tip end portion of said holding portion, said diffuser portion including a diffuser receptacle, a cover and a diffuser tube contained between said diffuser receptacle and said cover, said diffuser tube having a cross-section substantially elliptical in shape; wherein said holding portion, said diffuser receptacle, said cover and said diffuser tube are formed into a single piece, and wherein said diffuser tube comprises a contraction opening at an end portion in an injection direction of said gas, and is provided so that an end portion opposite the injection direction of said gas faces to a radial outer peripheral side of said clasp portion.