Patent ID: 7806429
Filing Date: 2010-10-05
Classification: B60R

Abstract:
1. An air bag assembly unit for an occupant restraint system in motor vehicles, the air bag assembly unit comprising: an air bag; an air bag housing; a gas generator, said air bag being accommodated in said air bag housing to be filled with gas by the contents of said gas generator; a diffusor housing arranged at or forming a part of said air bag housing; a holding device, said gas generator being pushed in said diffuser housing, in an opening direction via an installation opening and being axially fixed in said diffuser housing by said holding device, the holding device comprising a fastening ring arranged in an intermediate space of said diffusor housing, said intermediate space being defined by a diffusor housing wall and a gas generator wall, and a sealing device sealing said intermediate space in a gas-tight manner and surrounding said gas generator in a ring-shaped manner, wherein said fastening ring is fixed at said diffusor housing wall in a positive-locking manner, said sealing device having at least two sealing lips, which are arranged on said fastening ring extending circumferentially about said sealing device and wherein said two sealing lips are arranged in relation to one another such that said sealing device forms an essentially V-shaped circumferential cross section, wherein each of said sealing lips forms a leg of said V-shaped cross section and wherein said legs are connected to one another and are arranged extending in a direction toward an interior of said diffusor housing.