Patent ID: 8215665

Claim:
An airbag device comprising: a first airbag that, by receiving a gas supply and inflating and expanding from a folded-up state, restrains an upper body of a vehicle passenger from a front side in a vehicle longitudinal direction; a second airbag that has a smaller volume than the first airbag and that, by receiving a gas supply and inflating and expanding from a folded-up state, restrains knees of the passenger from the front side in the vehicle longitudinal direction; a gas flow path member that is flexible, that is folded-up together with the first airbag and the second airbag, and that, by a gas supply from an inflator, is inflated and expanded at interiors of the first airbag and the second airbag and directly leads gas from the inflator to the first airbag and the second airbag respectively; a gas discharge suppressing structure that suppresses discharging, from the second airbag, of gas supplied to the second airbag; and a material that demarcates an internal space of the first airbag and an internal space of the second airbag, and limits an expanded thickness of the second airbag in the vehicle longitudinal direction, the gas flow path member passing through the material and the gas flow path member being opened at the second airbag interior.