Gravity outlet
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United States of America Patent
Stats
-
Apr 11, 1995
Grant Date -
N/A
app pub date -
Apr 23, 1993
filing date -
Apr 23, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sliding gate type gravity outlet (10) is for use on railcars (C) for discharging a lading. A pan assembly (12) defines an outlet pan (14) having a flange (18) attached to the discharge opening and sidewalls (20) sloping downwardly from the flange. A bottom portion of the sidewalls defines a discharge outlet (22) into which lading flows. An outlet gate (24) is movable relative to the opening to open and close the outlet. Lading to be discharged bears upon the gate when it is in its closed position. A rack and pinion gear arrangement (36) is used to move the gate back and forth between these positions, and a rod (62) guides movement of the gate. The gate sealingly abuts against a seal (32) when the gate is closed to prevent loss of lading. The guide mechanism sits at an angle (X1) with respect to the outlet, and the gate is set at a second and greater angle (X2) with respect thereto. As the gate moves from its closed to its open position, it is drawn away from the seal and does not slide over it. By being drawn away, rather than sliding over the seal, wear of the seal is reduced.
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Cited Art Landscape
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