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INFLATABLE EMERGENCY DEVICE

  • US 3,735,723 A
  • Filed: 09/18/1972
  • Issued: 05/29/1973
  • Est. Priority Date: 09/18/1972
  • Status: Expired due to Term
First Claim
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1. An inflatable emergency device comprising a casing including a pair of concentric cylinders, the inner of said cylinders having a transverse wall at one end and a peripheral wall defining a chamber therein, the outer of said cylinders being secured to an opposite end of said inner cylinder and spaced from said peripheral wall of said inner cylinder to define an annular recess therebetween;

  • an inflatable gas containing cartridge mounted in said chamber, said cartridge having a rupturable means therein for permitting an escape of gas from said cartridge;

    means adjustably mounted in said inner cylinder in sealed relation thereto for abutting said cartridge;

    a cap releaseably mounted on said outer cylinder;

    an inflatable balloon disposed within said cap, said balloon having an orifice therein;

    a self-sealing nipple sealingly secured in said orifice of said balloon;

    a hollow needle valve extending through said nipple into the interior of said balloon and through said transverse wall of said inner cylinder into adjacent relation to said rupturable means of said cartridge; and

    a spool of line disposed within said annular recess of said casing,said line being secured to said balloon at one end and anchored in said casing at the opposite end.

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