Patent ID: 7530597

Claim:
An airbag device for front passenger's seat comprising an airbag protruding from an opening for protrusion in instrument panel and deploying toward front passenger's seat when fed with inflation gas; wherein: the airbag comprises: a bag-shaped airbag body constituting outer wall of the airbag; and a flow regulating cloth located upstream of inflation gas inside the airbag body, the cloth inflating firstly upon inflow of inflation gas, and redirecting the gas before supplying the same to the airbag body for promoting deployment of the airbag body; the flow regulating cloth comprises a pipe-shaped circumferential wall and substantially only two gas outlet ports that are disposed on left and right ends of the circumferential wall, part of the circumferential wall of the left and right outlet ports are configured to extend in a left-right direction from the opening for protrusion in a pipe-shape such that the gas outlet ports are oriented horizontally; a left-right length of the flow regulating cloth in a left-right direction is greater than a width of the opening on the instrument panel in the left-right direction; the flow regulating cloth includes a gas inlet port located at a generally transverse center of an underside of the circumferential wall, and an upper end portion that is located opposite from the gas inlet port between the left and right outlet ports configured to be deployed above a top face of the instrument panel upon airbag deployment; when the airbag is in a folded-up states an area of the circumferential wall from the gas inlet port to the upper end portion is located in between front and rear fold masses of the airbag body without being folded into folds of the fold masses; and when the airbag is in a flattened state, the upper end portion is laid out between top faces of the front and rear fold masses and an outer wall of the airbag body; and when the airbag is inflated, parts of the circumferential wall of the left and right outlet ports project from the opening in the instrument panel in the left-right direction, such that the parts run on the top face of the instrument panel at least in left and right periphery of the opening.