US Patent 10363898 Air-bag device

An airbag device capable of restraining an occupant in a stable position even upon an oblique collision and lowering an injury value related to the occupant. The airbag device (100) includes a main bag (112) inflated and deployed in front of a passenger seat (104) in the vehicle, a center bag (114) inflated and deployed on the inner side of the main bag (112) in the vehicle width direction, and upper side joining means (120) that is provided above a valley (128) formed between the main bag (112) and the center bag (114) and that joins the center bag (114) to the main bag (112) for a prescribed range in the vehicle front-back direction.