Hydraulic control arrangement
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United States of America Patent
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-
May 6, 1986
Grant Date -
N/A
app pub date -
May 24, 1983
filing date -
Jun 11, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hydraulic control arrangement for providing synchronism of a return cylinder between a face conveyor and a support, has a pushing cylinder which displaces the support transverse to a face, a control valve, a control cylinder influencing loading of the pushing cylinder via the control valve, and a control column provided between the return cylinder and the control cylinder and composed of a working fluid.
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