×

Low spill farm coupling

  • US 6,830,059 B1
  • Filed: 09/08/2003
  • Issued: 12/14/2004
  • Est. Priority Date: 09/08/2003
  • Status: Expired due to Term
First Claim
Patent Images

1. A female coupling half for use with a male coupling half, said male coupling half includes a male valve and a male body, said female coupling half comprising:

  • an outer body, a housing, and an inner body;

    said inner body slidingly movable with respect to said housing between a first position and a relief position;

    said housing residing partially within said outer body forming an annular passageway therebetween;

    an inner body adaptor affixed to said inner body;

    a dump valve body slidingly engageable within said inner body adaptor and movable with respect to said inner body adaptor;

    a lock piston slidingly engageable within said inner body adaptor and movable with respect to said inner body adaptor;

    a dump valve;

    said dump valve being seated against said dump valve body;

    a valve lock shaft slidingly engageable within said lock piston;

    a female valve;

    said female valve affixed to said valve lock shaft and movable therewith between a first position and a relief position;

    said male body engaging said inner body member and said male valve engaging said female valve urging said inner body member and said female valve from said first positions to said relief positions upon insertion of said male coupling half into said female coupling half, and, said dump valve being movable with said inner body member and said inner body adaptor actuating said dump valve relieving pressure within said female coupler half.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×