Power-operated loading gate for centrifugal machines incorporating an auxiliary drive device
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United States of America Patent
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-
May 20, 1980
Grant Date -
N/A
app pub date -
Aug 23, 1978
filing date -
Aug 23, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A loading gate assembly for a heavy cyclical centrifugal machine used for separating liquid from solids includes a hollow body forming a spout outlet, a face surrounding the end of the outlet and a gate slidable on the face between a fully closed position covering the outlet and a position opening the outlet to flow of material therethrough. A gate operating mechanism includes a power drive device secured between a relatively fixed support and a cross head, connected with the gate, for moving the gate between closed and open positions. The loading gate assembly further comprises a mount for the support normally positioning it in a fixed location relative to the outlet yet being operable to displace the support in the direction of closing movement of the gate. A secondary drive device operates the mount to move the gate to the closed position by displacement of the support in the event of failure of power supplied to the power drive device while the gate is open.
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