×

Escape slide with support tube assembly

  • US 5,820,773 A
  • Filed: 03/13/1997
  • Issued: 10/13/1998
  • Est. Priority Date: 03/13/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. An inflatable escape slide for a structure comprising an elongated inflated slide having an upper surface portion and a lower surface portion;

  • said upper surface portion providing a slideway surface having sufficient strength upon inflation of said slide to support the weight of a load carried on said slideway surface;

    said slide having a head end and a toe end;

    inflatable cross member means extending laterally across the width of said slide and attached to the under surface of said slide;

    an inflatable support tube assembly connected to the under surface of said slide close to said head end of said slide;

    said support tube assembly having a pair of chambers;

    one of said chambers being a first chamber and having an end wall located closely adjacent to said head end of said slide;

    communication holes interconnecting said inflatable slide to said first chamber;

    the second one of said pair of chambers spaced from said head end and extends in the direction towards said toe end;

    orifice means interconnecting said chambers to inflate said second chamber only from said first chamber;

    pressurizing means mounted on said slide and operative upon actuation to inflate said first chamber and said inflatable escape slide; and

    said first chamber being operative upon inflation to initially move said end wall into contact with said structure and support said head end of said slide and then retracts said end wall after inflation of said second chamber.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×