AIRBAG DEVICE AND STORAGE METHOD OF AIRBAG CUSHION

To provide an airbag device which is simple in construction and is capable of adjusting a deployment behavior of an airbag cushion in a vehicle width direction, and a storage method of the airbag cushion.SOLUTION: An airbag device 100 comprises: a storage part 106 of front of a passenger seat 104; a cushion 108 which is stored in the storage part 106 by being configured as a storage form 150 wound or folded; a side pleat region 136 which is provided on a side face of the vehicle outside of the cushion 108 and in which mountain-folding and valley-folding are repeated in a vehicle vertical direction; and a long pleat 138 which is provided on a side face of the vehicle outside of the cushion 108 and is configured as mountain-folding and then is longer than the side pleat region 136 when extending to the vehicle outside. The long pleat 138 covers at least a part of the side pleat region 136 by being folded.SELECTED DRAWING: Figure 5 【課題】簡潔な構成で車幅方向においてエアバッグクッションの展開挙動を調整可能なエアバッグ装置、およびエアバッグクッションの収納方法を提供する。【解決手段】エアバッグ装置１００は、助手席１０４の前方の収納部１０６と、巻回または折り畳まれた収納形態１５０となって収納部１０６に収納されているクッション１０８と、クッション１０８の車外側の側面に設けられ、山折りと谷折りが車両上下方向に繰り返されているサイドプリーツ領域１３６と、クッション１０８の車外側の側面に設けられ、山折りになっていて車外側へ延ばすとサイドプリーツ領域１３６よりも長いロングプリーツ１３８を備える。ロングプリーツ１３８は、折り曲げられてサイドプリーツ領域１３６の少なくとも一部を覆っている。【選択図】図５