B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
105/123
B61D 7/00 (2006.01) B60P 1/56 (2006.01) B61D 7/20 (2006.01) B65D 90/58 (2006.01)
Patent
CA 1331720
A B S T R A C T A gate mechanism for a bulk material handling container such as a railway hopper car. The gate mechanism comprises a chute attached to the bottom of the hopper and having a discharge opening, a frame attached to the side of the chute, a gate slide mounted within the frame, slider means for providing a low friction, non-metallic contact surface between the gate slide and the frame, drive means for opening and closing the gate slide, a sealing means for preventing any discharge through the closed discharge opening, and lock means for securing the gate slide in a closed position. The slider means comprises elongated bodies made of solid bars of non-metallic, low friction material such as Teflon (trade mark), and provides a non-corroding, easily maintainable method for the smooth opening and closing of the discharge opening. The lock means comprises a shaped spring bar made of resilient metal, which provides a simple and automatic means of holding the gate slide closed.
598280
Bowler Bert J.
Stevens Wesley G.
Macrae & Co.
Trn Business Trust
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