Patent ID: 7594678

Claim:
A side air-bag adapted to be mounted to a vehicle seat back and formed of interconnected layers of fabric, the air-bag further adapted to be inflated by a gas generator, the air-bag comprising: an internal tether having first and second ends fastened to one or more of the fabric layers and serving to interconnect two spaced-apart regions of an interior of the air-bag, wherein, upon inflation of the air-bag, the distance around the periphery of the air-bag, in horizontal section, between the ends of the tether is greater in one direction than in the other direction and the length of the tether is less than the distance in the other direction; the air-bag includes a portion configured to receive a gas generator, the first end fastened at a point at or adjacent to the portion configured to receive the gas generator, the tether extending to the second end fastened to a point within the interior of the air-bag which is remote from the gas generator, where upon inflation, the tether divides the air-bag interior into two chambers positioned between an occupant of the seat and a side of the vehicle.