Vehicle occupant protection apparatus, has vent cover blocking and allowing inflation fluid via vent opening in closed and open condition, respectively and side wall including portions for maintaining cover in closed condition

摘要

The apparatus (10) has a reaction plate (30) including a vent opening (62) for venting an inflation fluid provided by an inflator (14). A vent cover (100) blocks the fluid through a vent opening in a closed condition and permits the fluid in an open condition. The cover includes a side wall (110) that has portions (134) that project from the side wall into the plate to maintain the cover in the closed condition.