Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Patent
1986-08-13
1987-09-08
Callaghan, Thomas F.
Pipe joints or couplings
With means blocking release of holding means
Auxiliary latch
285312, F16L 3718
Patent
active
046919422
ABSTRACT:
A quick disconnect cam locking fluid conveying coupling has a hollow male plug with there being an external circumferentially extending peripheral groove formed about the exterior thereof. The plug is received within a hollow socket and the socket has a pair of opposed windows aligned with the peripheral groove. Seal means interposed between the plug and the socket prevents fluid escaping from the coupling apparatus. A pair of cam members each have an operating lever and are positioned adjacent the socket with a cam portion passing through one of the windows and engaging the peripheral groove. A pair of ears is attached to the socket on opposed sides of the windows. A shaft extends through the ears and cam member so that each cam member is pivotally connected to the socket for outward movement of the levers away from the socket to disengage the cam for portions from the peripheral groove, thereby releasing the plug from the socket. Each shaft has a detent and each cam member is releasably locked in the detent by a spring loaded ball contained within the cam member. The ball is urged into and out of the detent by the spring, thereby retaining the lever in the locked position.
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Bates Marcus L.
Callaghan Thomas F.
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