Patent attributes
The airbag device includes an airbag including a base fabric and an occupant protection fabric whose outer peripheries are joined together. The occupant protection fabric is positioned on the vehicle rear side of the base fabric and configured to restrain an occupant, and includes: at least one protruding portion that protrudes to the vehicle rear side; a flat portion that is continuously formed from the at least one protruding portion and is designed to come into contact with the occupant; and a tether that is disposed between the base fabric and the at least one protruding portion in the airbag, extending from the flat portion to the joint between the occupant protection fabric and the base fabric. The tether is joined at its end on the joint side with a base edge of the at least one protruding portion and the outer periphery of the base fabric.