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DEVICE FOR INFLATING A SAFETY BAG FOR VEHICLE PASSENGERS

  • US 3,741,584 A
  • Filed: 04/08/1971
  • Issued: 06/26/1973
  • Est. Priority Date: 12/01/1970
  • Status: Expired due to Term
First Claim
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1. A safety device for vehicles, comprising a compressed air source, a protective bag inflatable to provide a protective cushion for supporting a vehicle passenger in the event of a collision, first passage means connected between said air source and said bag, a first valve in said first passage means closing said passage means, first detection means including transmitter and receiver means for detecting the rate of close of an object with the vehicle and for generating a first signal when the rate exceeds a predetermined amount, said first valve being operated in response to said first signal to establish connection between said air source and said bag through said first passage means, second passage means connected between said air source and said bag, a second valve in said second passage means closing said second passage means, second detection means including an impact detector operable upon collision of the vehicle for generating a secoNd signal, said second valve being operated in response to said second signal to establish connection between said air source and said bag through said second passage means.

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