US Patent 7614655 Airbag device

An airbag device is provided wherein the airbag device is made by folding an airbag having a left airbag section and a right airbag section by a new folding method. In one form, an airbag includes a left airbag section and a right airbag section that are inflated on the left and right, respectively, in front of a passenger, and a base chamber that communicates one ends of the airbag sections and with each other. The left airbag section and the right airbag section are made to a secondary folded body that is flat in the right-and-left direction and is elongated in forward and rearward directions. Then, the bags are finally folded by being roll-folded from the leading ends toward the base end parts thereof.