Patent ID: 7694998

Claim:
An airbag apparatus, comprising: a back-side cover provided at a roof side rail, said roof side rail being on a side of a roof of a vehicle and extending in a front-back direction of the vehicle, wherein the back-side cover is arranged on a side of the roof side rail that faces an interior of the vehicle; an interior-side cover for covering a side of the back-side cover that faces the interior of the vehicle; and an airbag contained in a case formed by the back-side cover and the interior-side cover, wherein a bending portion is formed in a middle portion of the back-side cover along a vertical direction thereof, and the bending portion bends when receiving a pushing pressure from the airbag that is deploying; and the airbag deploys toward the interior through a space between the back-side cover and the interior-side cover that opens in accordance with the bending of the bending portion such that the interior-side cover maintains a constant shape before and after the deploying of the airbag.