Patent ID: 8011691

Claim:
An air bag deployable from a mounted member mounted with the air bag toward an occupant by an insertion of a gas, the air bag comprising: a front surface portion confronting the occupant, the front surface portion being arranged to be deployed toward the occupant, the front surface portion including; a lower expansion portion arranged to inflate to abut on a breast portion of the occupant; a pair of side expansion portions arranged to inflate to left and right sides of a head portion of the occupant to avoid the head portion of the occupant; and a recessed portion surrounded by the lower expansion portion and the side expansion portions, and recessed toward the mounted member; and a connection section having a predetermined length, and extending from a first end connected to a bottom portion at a base end of the recessed portion to a second end which connects to the mounted member, wherein the air bag is deployed towards the occupant in a deploying direction, and wherein an opening of the recess portion extends further in an upward and downward direction in a direction of gravity than in a left to right direction which is perpendicular to both the deploying direction and the gravitational direction.