Trigger means for self-closing breakaway valve assemblies

Details Trigger means for self-closing breakaway valve assemblies Trigger means for self-closing breakaway valve assemblies

1989-06-28

1993-02-16

Fox, John C.

Fluid handling

Destructible or deformable element controlled

Destructible element

13761402, F16L 2900

Patent

active

051862026

ABSTRACT:
A self-closing breakaway valve assembly comprises first and second frangibly connected valve housings each having a rotatable valve member therein. The valve members are spring biased to close and are held open by trigger means. The trigger means comprises a first spider member spanning the bore of one valve member, the spider member having a truncated surface from which a trigger knob protrudes. A second spider member spans the bore of the other valve member, and defines a socket receiving the trigger knob in interengaging relationship to hold the valve members open. Upon separation of the housings, the trigger means disengages permitting the valve members to close.

REFERENCES:
patent: 3921656 (1975-11-01), Meisenheimer, Jr. et al.
patent: 4295484 (1981-10-01), Meisenheimer, Jr.
patent: 4763683 (1988-08-01), Carmack

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