Check valve having combined quick disconnect wrench flat definin

Details Check valve having combined quick disconnect wrench flat definin Check valve having combined quick disconnect wrench flat definin

1989-12-01

1990-12-25

Nilson, Robert G.

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

62292, 1375155, 137543, F16L 3728

Patent

active

049797212

ABSTRACT:
A check valve of the type having a valve body and a valve pin mounted to slide in the valve body includes on its exterior surface a raised annular ridge. This ridge defines at least one pair of wrench flats and has first and second annular shoulders, each on a respective side of the ridge. The first shoulder is shaped to retain a quick disconnect coupler in position on the valve body. The overall length of the valve body can be reduced because the same annular ridge defines both the wrench flats and the shoulder that retains the quick disconnect coupler.

REFERENCES:
patent: 2289946 (1942-07-01), Weatherhead
patent: 2548528 (1951-04-01), Hansen
patent: 2594641 (1952-04-01), Griffith
patent: 2845945 (1956-12-01), Mancusi, Jr.
patent: 2943639 (1960-07-01), Smith
patent: 3051196 (1962-08-01), Miller
patent: 4182370 (1980-01-01), Karcher
patent: 4537384 (1985-08-01), Petersen
Sketch of a design for a check valve intended for use with an automotive air conditioner system, generated as a result of a meeting in may of 1988 incorporating suggestions from several individuals not employed by the assignee of present invention.
Catalog sheet of Aeroquip Corporation, p. 213, undated.
Copy of Applicant's drawing No. 446ASM C1, Oct. 1988.

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