Air bag module with vent cover

摘要

An apparatus ( 10 ) for helping to protect an occupant of a vehicle includes an inflatable vehicle occupant protection device ( 12 ). An inflator ( 14 ) provides inflation fluid for inflating the protection device ( 12 ). A vent member ( 30 ) includes at least one vent opening ( 62 ) for venting the inflation fluid. A vent cover ( 100 ) has a closed condition for blocking fluid flow through the at least one vent opening ( 62 ) and an open condition for permitting fluid flow through the at least one vent opening. The vent cover ( 100 ) includes a side wall ( 110 ) that has at least one portion ( 134, 372 ) that projects from the side wall into the vent member ( 30 ) to help maintain the vent cover in the closed condition.