Patent ID: 7318601

Claim:
An airbag including a first panel adjacent to an occupant and a second panel opposite the occupant, the first and second panels being joined together between the first panel and the second panel, the airbag comprising: a main chamber for deploying above the head of the occupant with pressure fluid supplied from an inflator; and first and second subchambers for deploying so as to bend the head of the occupant forward with the pressure fluid supplied from the inflator, wherein the first and second subchambers extend from a left and right side, respectively, of the main chamber, and wherein the first and second subchambers each include a communication portion and a main subchamber portion, the communication portion being shorter in a length direction than the main subchamber portion, wherein the first and second subchambers are formed by the shape of the first and second panels, and wherein topmost ends of the first and second subchambers are positioned below a topmost end of the main chamber prior to folding of the airbag.