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Locking means for self-sealing quick disconnect couplings

  • US 4,098,292 A
  • Filed: 01/24/1977
  • Issued: 07/04/1978
  • Est. Priority Date: 01/24/1977
  • Status: Expired due to Term
First Claim
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1. In a self-sealing quick disconnect coupling of the type to be coupled and uncoupled while subject to high internal pressures and including a pair of interconnectable body members each having a bore extending therethrough, a normally seated valve within each said bore, said valves having members engagable with each other when said bodies are coupled together, and connecting means for initially interconnecting said body members without unseating either of said valves, the improvement comprising:

  • a. means for interlocking one of said valves to its said body member when it is in its seated position;

    b. means for releasing said interlocking means when said bodies are coupled together for permitting one valve to move from its seated position;

    c. means connected to said releasing means for moving said one valve to an unseated position;

    d. means for moving the other said valve to an unseated position; and

    ,e. means for mechanically interlocking said one valve to its said body member when it is in its unseated position whereby said other valve is positively held against movement towards its seated position.

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