Patent ID: 8678430

Claim:
An airbag device installed in a vehicle comprising: an airbag that is folded up in a normal state and is inflated and deployed in case of an emergency; an inflator for supplying gas to the airbag; and a retainer that fixes the airbag and the inflator, the airbag comprising: a restraint portion to be located in front of an occupant upon inflation and deployment; a base portion connected to the inflator; a top portion to be located on a windshield side upon inflation and deployment; and a bottom portion to be located between the occupant and an instrument panel upon inflation and deployment, and wherein at least the restraint portion forms a flap portion by folding both right and left ends of the restraint portion inward so that the flap portion has an elongated belt shape having a width substantially equal to that of a width of the retainer with a contact surface of the restraint portion for contact with the occupant facing up, wherein the flap portion is folded so as to move while turning toward the occupant upon inflation and deployment of the airbag, and wherein the bottom portion is folded and wrapped in at least one of the other portions of the airbag such that the bottom portion remains folded spaced from and below the deploying flap portion as the flap portion is turning toward the occupant during inflation and deployment of the airbag.