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Electromagnetic inflator used in compact vehicle air bag apparatus

  • US 5,069,478 A
  • Filed: 07/24/1990
  • Issued: 12/03/1991
  • Est. Priority Date: 07/24/1990
  • 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:

  • inflatable bag mounted on a portion of 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 operatively associated with said air bag for automatically inflating said bag when energized by a sensor signal, said inflating means comprising a container for pressurized gas, first and second magnetic means mounted within said container, said first magnetic means positioned adjacent a member having an opening which allows gas to exit from said container, said first magnetic means being in a first position when said sensor signal is generated and in a second position when said sensor is not generated, gas being released from said container to inflate said bag when said member is in said first position; and

    sensor means operatively associated with said vehicle for generating said sensor signal when a collision condition is detected.

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