Dry break coupling assembly

Details Dry break coupling assembly Dry break coupling assembly

2005-09-20

2005-09-20

Lee, Kevin (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C251S149900

Reexamination Certificate

active

06945273

ABSTRACT:
A dry break coupling assembly for interconnecting components of a fluid handling system. The coupling assembly includes first and second valves, each includes a rotatable valve element for opening and closing a fluid passageway within a valve body. The over-center clamp mechanism is for interlocking the first and the second valves when the valves are in a connected arrangement, allowing the valves to be easily disconnected when the valves are in a closed position, having a pair of projecting bars disposed on an outer surface of a body of a first valve and a pair of clamp assemblies disposed on a body of the second valve. Each clamp assembly includes a clamp arm having a hook end for engaging one of the projecting bars, and a clamp lever for actuating the hook end to engage or disengage the projecting bar. A yoke assembly is for operatively locking the over-center clamp when the second valve is in an open position, and an automatic locking assembly on each valve for locking the valve into a closed position when they are disconnected.

REFERENCES:
patent: 2440946 (1948-05-01), Hansen
patent: 4103712 (1978-08-01), Fletcher et al.
patent: 4664149 (1987-05-01), Fremy
patent: 5595217 (1997-01-01), Gillen et al.
patent: 6050545 (2000-04-01), Stolzman

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