Quick connect-disconnect coupling

F - Mech Eng,Light,Heat,Weapons – 16 – L

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285/47.5

F16L 37/00 (2006.01) F16L 37/18 (2006.01)

Patent

CA 1219616

- 30 - QUICK CONNECT-DISCONNECT COUPLING ABSTRACT OF THE DISCLOSURE A quick connect-disconnect coupling for a fluid conduit structure and method of making same wherein the conduit structure has cam devices 42 for connecting and disconnecting a coupler member 22 and an adapter member 31 comprising the coupling and the cam devices which cooperate during disconnection of the members to provide a disconnecting movement until a particular position is reached at which position the disconnecting movement is reversed and becomes an incremental connecting movement for a predetermined increment before allowing the members to be completely disconnected and in the event fluid under pressure is present in the conduit structure which has the coupler and adapter members connected therein the incremental connecting movement of the cam devices is subjected to resistance by the fluid under pressure with the resistance being transmitted through the cam devices as an opposing force which serves to impede the incremental movement by resisting any opening force applied to the cam devices with such opposing force being detectable and once detected serves as a warning that the pressure of the fluid under pressure must be relieved before completely disconnecting the members.

435760

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