Apparatus for controlling operation of a railcar discharge gate

Details Apparatus for controlling operation of a railcar discharge gate Apparatus for controlling operation of a railcar discharge gate

1993-10-01

1994-10-11

Oberleitner, Robert J.

Railway rolling stock

Special car bodies

Dumping

1052823, 1053101, 1053112, B61D 724

Patent

active

053537130

ABSTRACT:
An apparatus for controlling operation of a railcar discharge gate assembly including a frame defining a discharge opening with a gate slidably arranged on the frame for movement along a predetermined path of travel between open and closed positions. The apparatus of the present invention includes an operating shaft rotatably supported on the frame for selectively moving the gate between open and closed positions in response to rotation of the shaft. A lock assembly is carried on the frame and is operably coupled to the operating shaft. The lock assembly includes a displacable stop member which, when the gate is closed, extends into the path of travel of the gate to prevent movement of the gate relative to the frame, and which moves in timed relation relative to movement of the gate such that upon rotation of the operating shaft to move the gate to an open position the stop member is automatically removed from the path of travel of the gate prior to movement of the gate toward an open position.

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patent: 4262603 (1981-04-01), Morse
patent: 4843974 (1989-07-01), Ritter et al.

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