Hand wheel for bottom operated tank car valve

Details Hand wheel for bottom operated tank car valve Hand wheel for bottom operated tank car valve

1981-09-11

1984-02-07

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Tank

251292, 251293, 137556, F16K 5100

Patent

active

044298552

ABSTRACT:
A hand wheel for operation of a tank car valve located in the tank bottom is provided. The hand wheel is connected to an operating shaft for the tank car valve and includes a body portion having at least one first opening adapted to receive a horizontally extending tool to rotate the valve. The hand wheel also includes an opening in its bottom surface which is adapted to receive another operating tool such as a drive ratchet or a ratchet extension to open and close the lading valve.

REFERENCES:
patent: 944534 (1909-12-01), Beamon
patent: 1526890 (1925-02-01), Wilson
patent: 1634781 (1927-07-01), Hall
patent: 1663606 (1928-03-01), Murphy
patent: 1740319 (1929-12-01), Stancu, Jr.
patent: 1786750 (1930-12-01), Hasselquist et al.
patent: 1878569 (1932-09-01), Zolleis
patent: 2851901 (1958-09-01), Kortier et al.
patent: 4095494 (1978-06-01), Castoe
patent: 4198032 (1980-04-01), Hillstead et al.

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