Gas bag restraint device
First Claim
1. A gas bag restraint device for restraining an occupant, said device comprisinga gas bag module, which has a gas generator and a gas bag with a gas bag wall, said gas bag wall having a front wall facing said occupant, which front wall has a center section with a depression, in relation to an inflated state of said gas bag, so that an annular gas bag chamber surrounding said depression is formed, a module covering which on inflation of said gas bag opens an outlet opening, and a fastening device for said center section, with which said center section is prevented from a free movement out of said gas bag module even in said inflated state of said gas bag, so that said depression is formed, said fastening device comprising a reinforcement insert embedded into said module covering and at least one fastener for fastening the reinforcement insert to said gas bag module.
1 Assignment
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Accused Products
Abstract
A gas bag restraint device for restraining an occupant comprises a gas bag module, which has a gas generator and a gas bag with a gas bag wall. The gas bag wall has a front wall facing the occupant, which front wall has a center section with a depression, in relation to an inflated state of the gas bag, so that an annular gas bag chamber surrounding the depression is formed. The device further comprises a module covering which on inflation of the gas bag opens an outlet opening, and a fastening device for the center section, with which the center section is prevented from a movement out of the gas bag module even in the inflated state of the gas bag, so that the depression is formed. The fastening device includes a reinforcement insert integrated into the module covering and fastened to the gas bag module.
35 Citations
14 Claims
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1. A gas bag restraint device for restraining an occupant, said device comprising
a gas bag module, which has a gas generator and a gas bag with a gas bag wall, said gas bag wall having a front wall facing said occupant, which front wall has a center section with a depression, in relation to an inflated state of said gas bag, so that an annular gas bag chamber surrounding said depression is formed, a module covering which on inflation of said gas bag opens an outlet opening, and a fastening device for said center section, with which said center section is prevented from a free movement out of said gas bag module even in said inflated state of said gas bag, so that said depression is formed, said fastening device comprising a reinforcement insert embedded into said module covering and at least one fastener for fastening the reinforcement insert to said gas bag module.
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8. A gas bag restraint device for restraining an occupant, said device comprising
a gas bag module, which has a gas generator and a gas bag with a gas bag wall, said gas bag wall having a front wall facing said occupant, which front wall has a center section with a depression, in relation to an inflated state of said gas bag, so that an annular gas bag chamber surrounding said depression is formed, a module covering which on inflation of said gas bag opens an outlet opening, and a fastening device for said center section, with which said center section is prevented from a free movement out of said gas bag module even in said inflated state of said gas bag, so that said depression is formed, said fastening device comprising a reinforcement insert integrated into said module covering and fastened to said gas bag module, said module covering being formed by one of a foam casing and injection molded casing, said reinforcement insert being encased by one of the foam casing and injection molded casing into said module covering when formed.
Specification