RAILROAD HOPPER CAR GATE OPERATING SYSTEM
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United States of America Patent
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Jun 15, 2004
Grant Date -
Jun 17, 2004
app pub date -
Dec 16, 2002
filing date -
Dec 16, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A mechanized device for externally grabbing and rotating the operating capstan of a railroad car bottom discharge gate is disclosed which utilizes a pair of spaced converging, opposed normally open gripper fingers operable between a closed and an open position, operated between a closed and an open position by a reciprocating fluid cylinder and a motor for rotating the gripper mechanism relative to the cylinder to thereby rotate the capstan to operate the gate.
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