Butterfly valve with self locking disc

Details Butterfly valve with self locking disc Butterfly valve with self locking disc

1981-06-08

1982-04-20

Spiegel, H. Jay

Valves and valve actuation

Rotary valves

Butterfly

F16K 122

Patent

active

043255361

ABSTRACT:
A self-locking butterfly valve adapted for placement in a tubular housing including a longitudinally slotted shaft with opposing grooves and a disc slideably received by the shaft. The disc is provided at one end with a slot engaging the grooves of the shaft and at the other end with a tab which, with the shaft, extends through an aperture in the housing for locking the disc to the shaft without use of external fasteners. A pin through the shaft may be used to prevent withdrawal of the shaft from the tubular housing.

REFERENCES:
patent: 868182 (1907-10-01), Hayden
patent: 955979 (1910-04-01), Murphy
patent: 1519961 (1924-12-01), Ham
patent: 1794581 (1931-03-01), Burdick
patent: 2105343 (1938-01-01), Briggs
patent: 2114168 (1938-04-01), Auger
patent: 2282825 (1942-05-01), Puffer
patent: 2552117 (1951-05-01), Roswell
patent: 2754969 (1956-07-01), Petersen
patent: 3214150 (1965-10-01), Rice

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