Roof-mounted air bag

摘要

A passive vehicle occupant restraint system is provided for an automotive vehicle having a front seat including a seat back defining generally a front passenger area to one side thereof and a rear passenger area to the other side thereof, and a roof having an outer roof surface, a quantity of insulation material inside of the outer roof surface and a headliner beneath and overlying the insulation material. The restraint system includes a first inflatable cushion mounted between the insulation material and the headliner and overlying at least a portion of the front passenger area of the vehicle, and an inflator operatively connected with the inflatable cushion and responsive to a predetermined triggering signal for producing a quantity of inflating gas for inflating the cushion.