Operating handle for bottom operated railway tank car valve

Details Operating handle for bottom operated railway tank car valve Operating handle for bottom operated railway tank car valve

1980-01-14

1981-05-19

Cline, William R.

Valves and valve actuation

With correlated flow path

Tank

251230, 251 89, F16K 3160, F16K 3500

Patent

active

042680107

ABSTRACT:
In a railway tank car bottom outlet lading valve assembly, an operating handle assembly for the lading valve includes an operating shaft extending vertically within a lading outlet chamber. The shaft is provided with a non-round shaft tool connection portion near the bottom thereof. An operating handle is pivotably mounted on the outlet chamber adjacent the non-round connection portion. The operating ratchet includes a handle non-round connection portion which engages the shaft non-round connection portion. A handle-storing bracket for the distal end of the operating handle is mounted upon the tank body or on an upper mounting flange portion of the outlet chamber adjacent a tank car bottom outlet mounting flange. The bracket is preferably U-shaped and includes a removable pin extending between opposite arms of the U-shaped bracket. When the pin is removed from the mounting bracket, the handle may be pivoted to a generally horizontal position to rotate the shaft through engagement of the handle non-round portion with the shaft non-round portion, and thus move the lading valve between open and closed positions. After use, the distal end of the handle may be returned to the stored position in the handle storing bracket with the pin back in place.

REFERENCES:
patent: 1099077 (1914-06-01), Wray
patent: 1563554 (1925-12-01), Campbell
patent: 2943523 (1960-07-01), Gray et al.
patent: 3490317 (1970-01-01), Rozmus
patent: 4095494 (1978-06-01), Costoe
patent: 4124193 (1978-11-01), Reedy et al.

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