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Gas cushion impact protection device for motor vehicles

  • US 4,810,005 A
  • Filed: 07/17/1987
  • Issued: 03/07/1989
  • Est. Priority Date: 07/22/1986
  • Status: Expired due to Term
First Claim
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1. A gas cushion impact protection device for motor vehicles, comprising a gas generator having a propellant charge and a fuse, a gas bag which is inflatable by the gases generated by said gas generator, and a housing, said gas bag and said gas generator being in said housing, said housing being sealed by covering means, said housing having a bottom wall provided with a trough-shaped depression in which said propellant charge and said fuse are arranged, said trough-shaped depression being closed by a cover provided with gas passage openings, said cover having a securing flange which overlies an edge of the trough-shaped depression and by which said cover is secured to the bottom wall of the housing, said gas bag having a clamping edge with a bead defining an inflation opening of said gas bag and clamped between the securing flange of said cover and the bottom wall of the housing, said trough-shaped depression being surrounded by an encircling groove into which said bead is inserted, said propellant charge comprising two individual disc-shaped charges which are disposed adjacent each other in said trough-shaped depression, said trough-shaped depression being generally 8-shaped, said fuse being disposed between said two adjacent individual disc-shaped charges for simultaneously igniting the same.

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