Patent ID: 8414020

Claim:
An airbag device that deploys in a curtain shape on a side portion of a vehicle interior in order to protect an occupant of the vehicle interior, the device comprising: a gas generator that generates an expansion gas; an airbag that deploys when expanded by the expansion gas from the gas generator is supplied into an interior of the airbag, wherein the airbag has a deployed configuration and a stowed configuration, wherein, in the stowed configuration, the airbag is compressed into an elongated shape and an end portion of the compressed elongated airbag is folded back in a lengthwise direction toward a center of the airbag, the airbag thereby forming an airbag main portion that is not turned back and a turned-back end portion, the turned-back end portion of the airbag is folded back along a lower side of the airbag main portion; and a restricting member restricting the turned-back end portion of the airbag against deployment in a direction toward a vehicle outer side when the device is activated, the restricting member has an S-shaped cross-section, a portion of the restricting member extending between the airbag main portion and the turned-back end portion from a vehicle inner side surface of the airbag main portion, the restricting member covering a vehicle outer side surface of the end portion.