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One-way self-closing drain plug apparatus

  • US 6,634,312 B2
  • Filed: 10/15/2001
  • Issued: 10/21/2003
  • Est. Priority Date: 10/16/2000
  • Status: Expired due to Fees
First Claim
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1. A one-way self-closing drain plug assembly for a boat comprising:

  • a hollow body assembly having an inlet and an outlet;

    at least two chambers being located in said hollow body assembly;

    a first chamber houses a valve assembly including a manual mechanism for opening and closing said valve assembly, wherein said manual mechanism includes a handle coupled to said valve assembly for opening and closing thereof, and said handle is shaped into a paddle that, when in the open position, is disposed perpendicular to the longitudinal axis of said boat, whereby said valve assembly is automatically closed when left open and when exposed to moving fluid caused by movement of said boat;

    a second chamber houses a safety device; and

    said safety device enables fluid flow to occur in one direction and prevent fluid flow from an opposite direction by blocking access to said first chamber regardless of the position of said valve assembly.

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