Patent ID: 6273457
Filing Date: 2001-08-14
Classification: B60R

Abstract:
A side gas bag restraint system for protecting an occupant in a motor vehicle having a seat with a back rest and a side window, said system comprising:a gas bag having a large area for covering at least a part of the side window of the vehicle, said gas bag comprising:a non-inflatable section;at least one inflatable restraint chamber having an inflated state located in front of and above the back rest of the motor vehicle to restrain a head of the occupant; andinflatable tensioning chambers;said restraint chamber being extendable substantially from a roof frame of the vehicle vertically downwards to a lower edge of said gas bag;said inflatable tensioning chambers being connected with said restraint chamber of said gas bag by said non-inflatable section;said inflatable tensioning chambers having a smaller extension in vertical direction than said restraint chamber;said inflatable restraint chamber being connected with a plurality of said inflatable tensioning chambers, said inflatable tensioning chambers being connected in series with regard to gas flow and being arranged in succession along a lower edge of said gas bag, said tensioning chambers having constrictions between said tensioning chambers;said non-inflatable section, constructed so as to have a large area, being tightened between said chambers and the vehicle when said gas bag is inflated.