Patent ID: 7377544

Claim:
An occupant protection system for a vehicle seat, the occupant protection system comprising: a seat belt for restraining a passenger in the seat; anchors for the belt on both sides of the seat with one of the anchors comprising a releasably connected buckle and tongue on one side of the seat and a lap anchor on the other side of the seat; a seat airbag for being arranged to cause a portion of the seat to be lifted upon inflation thereof; a belt airbag extending along the seat belt to push the passenger toward the seat upon inflation thereof; a gas generator for supplying inflation gas to the seat and belt airbags and being disposed at the other side of the seat; and a common mounting member to which both the gas generator and the lap anchor are mounted with the common mounting member being disposed at the other side of the seat, wherein the gas generator and the airbags include a gas distribution passage therebetween in which a check valve is arranged and operable to substantially keep inflation gas from reverse flow out from one of the airbags, and the check valve has a substantially full flow position with gas from the gas generator substantially freely flowing through the gas distribution passage to the one airbag and a limited flow position with gas from the gas generator being restricted in flow to the one airbag to avoid excessive gas supply thereto.