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Compact vehicle air bag apparatus

  • US 4,971,354 A
  • Filed: 03/15/1989
  • Issued: 11/20/1990
  • Est. Priority Date: 03/15/1989
  • Status: Expired due to Fees
First Claim
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1. Safety apparatus for a vehicle having a passenger compartment and a shoulder belt for restraining an occupant of the vehicle comprising:

  • an inflatable bag mounted on said shoulder belt and movable between a collapsed, inoperative position and an inflated, operative position, for restraining an occupant of the vehicle during a collision;

    means for automatically inflating said bag when energized by a sensor signal;

    said inflating means comprising a motor having a shaft coupled to said shoulder belt, said sensor signal causing said motor shaft to rotate and tighten said shoulder belt against the user'"'"'s body; and

    sensor means operatively associated with said vehicle for generating said sensor signal when a collision condition is detected, said bag being inflated a predetermined time period after said motor shaft is caused to rotate.

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