Low pressure valve having two relatively rotatable sections

Details Low pressure valve having two relatively rotatable sections Low pressure valve having two relatively rotatable sections

1993-03-05

1994-02-15

Nilson, Robert G.

Valves and valve actuation

Mechanical movement actuator

Cam

251346, F16K 31528

Patent

active

052859991

ABSTRACT:
A valve comprises upper and lower sections which are rotatable relative to one another about a longitudinal axis. Relative rotation in one direction causes the valve to open, and relative rotation in the opposite direction causes the valve to close. Opening and closing of the valve is caused by a camming arrangement between the two valve sections. One of the valve sections includes an outer skirt which is cammed outwardly as the valve sections are axially forced together during assembly, to enable the cam elements to snap together. Each valve section is of one piece plastic molded construction.

REFERENCES:
patent: 1904739 (1933-04-01), Kroen
patent: 2797888 (1957-07-01), Sachs
patent: 3351249 (1967-11-01), Stull
patent: 4810471 (1989-03-01), Wachob

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