Patent ID: 7806440

Claim:
A motor vehicle occupant restraint system of a type including a seat belt assembly and an air bag, the seat belt assembly having webbing defining a shoulder belt section adapted to extend across the upper torso of an occupant and a lap belt section adapted to extend across the lower torso of the occupant, the restraint system comprising: a first retractor connected with an end of the shoulder belt section of the seat belt webbing and having a spool for storing the webbing and allowing extension and retraction of the webbing, a seat belt anchorage connected with an end of the lap belt section of the seat belt webbing for connecting the webbing to structure of the vehicle, a gas source mounted to the first retractor for generating a deployment gas in response to a deployment signal from a firing line, a first pretensioner for retracting the webbing for pretensioning the webbing, the first pretensioner actuated by the deployment gas, and the air bag providing impact protection independent of the seat belt assembly and being deployable upon generation of the deployment gas by the gas source wherein the deployment signal from the firing line causes the gas source to provide the deployment gas which actuates the first pretensioner and initiates deployment of the air bag.