Patent ID: 7722080

Claim:
An airbag module, comprising: an inflatable airbag cushion comprising a cushion membrane which defines an interior of the inflatable airbag cushion; at least one closeable vent comprising a vent aperture in the cushion membrane and a flap extending within the interior of the cushion membrane, wherein the flap is intially positioned adjacent to the vent aperture such that the vent is open, wherein the flap has a size and shape that permits the flap to be positioned over the vent aperture to cover the vent aperture; and a tether anchored to the cushion membrane , wherein the tether extends from the flap, wherein upon deployment of the inflatable airbag cushion with obstruction, the tether does not fully extend and the vent remains open, and upon deployment of the inflatable airbag cushion without obstruction, the tether extends to move the flap until the flap covers the vent aperture without altering the dimensions of the vent aperture such that the vent is at least partially closed.