SYSTEM ZUR KONZENTRATION DER ENTFALTUNGSKRAFT FÜR EINEN IN EINEM SITZ MONTIERTEN AIRBAG

This invention concerns a vehicle seat (21) having an upholstery (47) and an airbag (49) contained therein and in particular such a seat with force concentrating means adjacent the airbag to concentrate the force of the inflating airbag at a designated tear line (27) in the upholstery to ensure deployment of the airbag through the tear line upon inflation of the airbag. The force concentrating means comprises a pair of panels (10,11 and 29,30), the pair of panels having two ends (12,13 and 14,15), tied to separate sides of their related tear line (27). The new is that combined with an airbag of a kind designed to deploy into at least two airbag chambers (45,46), known per se, the seat is comprising one force concentrating means (41,42) for each airbag chamber (45,46), each force concentrating means being concentrating the respective force from their respective airbag chamber to a related tear line (27).