Self-locking quick disconnect coupling device

Details Self-locking quick disconnect coupling device Self-locking quick disconnect coupling device

1996-09-13

1998-10-06

Melius, Terry Lee

Pipe joints or couplings

With means blocking release of holding means

Auxiliary latch

285309, 285312, 285 81, F16L 3720, F16L 5500

Patent

active

058166238

ABSTRACT:
A self-locking quick-disconnect coupling device includes a female coupler including a stop formed thereon and an opening defined therethrough. A male adaptor through which a recess is defined is insertable into the female coupler. A cam handle includes a handle portion and a cam portion rotatably mounted on the coupler between a releasing and an engaging position so that the cam portion is moved through the hole into the recess. A hooking element is pivotably linked to the handle portion. The hooking element includes a barb projecting therefrom and including an inclined surface. A locking control element including first and second distal ends is pivotably linked to the handle portion. The inclined surface will slide on the stop when the cam portion is pivoted from the releasing position to the engaging position thus allowing the barb to snap into engagement with the stop when the cam handle is in the engaging position.

REFERENCES:
patent: 1903445 (1933-04-01), Ernst
patent: 4802694 (1989-02-01), Vargo
patent: 5005876 (1991-04-01), Fahl
patent: 5295717 (1994-03-01), Chen

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