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INFLATED ESCAPE RAMPS

  • US 3,726,375 A
  • Filed: 03/08/1971
  • Issued: 04/10/1973
  • Est. Priority Date: 03/08/1971
  • Status: Expired due to Term
First Claim
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1. An inflatable ramp for attachment to an aircraft which comprises an elongated, wide, and relatively flat ramp made from dual wall inflatable fabric, means connecting the fabric, and a plurality of spaced raised curvate steps of sufficient size and spacing to conform for use by human beings, said steps extending transversely to the length of the ramp and formed integrally into the top surface of said ramp by controlling the length and position of the means connecting the walls of the fabric, means for attaching one end of the ramp to an aircraft fuselage adjacent an exit thereof, and inflatable sidewalls attached along the lateral edges of the ramp and extending upwardly to provide support for the ramp and human beings using same.

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