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Quick disconnect coupling

  • US 3,279,497 A
  • Filed: 01/21/1964
  • Issued: 10/18/1966
  • Est. Priority Date: 01/21/1964
  • Status: Expired due to Term
First Claim
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1. A QUICK DISCONNECT COUPLING COMPRISING A PAIR OF COUPLING MEMBERS ADAPTED TO MAKE SEALING ENGAGEMENT WITH EACH OTHER ALONG AN AXIS, MEANS TO SECURE SAID MEMBERS TOGETHER IN SEALING RELATIONSHIP, EACH OF SAID COUPLING MEMBERS COMPRISING A BODY, A VALVE SEAT ON SAID COUPLING MEMBER, A ROTATABLE VALVE MEMBER HAVING A SPHERICAL SURFACE MAKING SEALING ENGAGEMENT WITH SAID VALVE SEAT AND ROTATABLE BETWEEN OPEN AND CLOSED POSITIONS, SAID VALVE MEMBER HAVING AN OPENING THEREIN ALIGNED WITH SAID VALVE SEAT WHEN SAID VALVE MEMBER IS IN THE OPEN POSITION, AND AN AXIALLY SLIDABLE MEMBER ON SAID BODY MOVABLE BY ENGAGEMENT WITH THE OTHER COUPLING MEMBER TO ROTATE SAID VALVE MEMBER INTO THE OPEN POSITION, AND SPRING MEANS TO ROTATE SAID VALVE MEMBER INTO THE CLOSED POSITION WHEN SAID COUPLING MEMBERS ARE DISCONNECTED.

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