Air bag device

An airbag apparatus for restraining an occupant of a vehicle, the airbag apparatus comprising,

• a main bag which is bag-shaped and is adapted to inflate and deploy in front of a front seat of the vehicle;
• and
• a center bag which is bag-shaped and is adapted to inflate and deploy on an inner side of the main bag in a vehicle width direction, wherein
• the center bag includes a rear region which extends further towards a rear of the vehicle than the main bag, and the center bag forming a rear end portion which is inclined in a generally straight line so as to gradually project toward the rear of the vehicle while advancing in an upward direction and
• a curved surface, which projects towards a main bag side in the vehicle width direction and is formed on the rear region, the curved surface overlaps the main bag when viewed from the rear of the vehicle.