Patent ID: 7954850

Claim:
An apparatus for helping to protect an occupant of a vehicle, the apparatus comprising: an inflatable vehicle occupant protection device having a deflated condition and an inflated condition, the protection device comprising a first panel including at least one first vent opening; a second panel secured to the first panel, the second panel comprising a base portion and a door portion, the base portion including at least one second vent opening, the second panel being folded to position the door portion between the first panel and the base portion; the door portion having an open condition in which the door portion is positioned away from the first and second openings and thereby permits inflation fluid to vent from the protection device through the first and second vent openings, the door portion having a closed condition in which the door portion is positioned between the first and second vent openings and thereby blocks inflation fluid from venting through the first and second vent openings, the door portion being movable from the open condition to the closed condition when the protection device deploys; the door portion having a generally triangular configuration with a base that merges with the base portion of the door panel, the door portion including first and second edge portions that extend away from the base portion and converge at a terminal end of the door portion.