Patent ID: 9718430
Date: 2017-08-01
CPC Classifications: B60R

Claim:
1. An airbag device comprising: a case configured to receive an airbag that is folded, and configured to enable the airbag under inflation to protrude from an upper opening, the case having a substantially box shape, and including a bottom wall portion and a side wall portion that rises in a substantially tubular shape from a peripheral edge of the bottom wall portion; a fixing member; and a coupling member surrounding the case and coupled to the case by the fixing member, wherein: the case is formed to retain a rising shape of the side wall portion from the bottom wall portion by the joining piece portion in the case and the joined portion corresponding to the joining piece portion include through-holes which are penetrated by the fixing member, respectively, and are coupled to each other and are coupled to the coupling member using the fixing member penetrating the through-holes of the joining piece portion and the joined portion in a state in which the joining piece portion and the joined portion are superimposed on each other.