Flip top valve for dry snorkels

  • US 6,904,910 B2
  • Filed: 11/17/2003
  • Issued: 06/14/2005
  • Est. Priority Date: 11/20/2002
  • Status: Active Grant
First Claim
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1. A snorkel device comprising:

  • a conduit adapted to extend above a water surface;

    said conduit having a longitudinal axis;

    said conduit having first and second ends thereof;

    said conduit first end adapted to admit air into said conduit when said conduit first end is above the water surface;

    said ambient air flows unrestricted into said conduit first end along a flow path that is substantially inline with the longitudinal axis of said conduit;

    mouthpiece joined to said conduit second end for communicating fluid flow with said conduit;

    linkage adjacent said conduit first end;

    buoyant means for controlling movement of said linkage; and

    sealing means carried by said linkage, said sealing means substantially prevents the flow of ambient fluid into said conduit when at least a portion of said buoyant means is underwater;

    said sealing means is moved by said linkage substantially out of the ambient air flow path when said buoyant means is above the water surface.

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