Directional control valve device
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United States of America Patent
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Aug 25, 2015
Grant Date -
Jun 13, 2013
app pub date -
Aug 5, 2011
filing date -
Aug 23, 2010
priority date (Note) -
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Abstract
A first directional control valve for switching between a first supply position and a first discharge position and a second directional control valve for switching between a second discharge position and a second supply position. A first switching mechanism permits the first directional control valve to be switched to the first supply position in a state where a second switching mechanism has switched the second directional control valve to the second discharge position. In a state where the second switching mechanism has switched the second directional control valve to the second supply position, a pressure fluid supplied to the second directional control valve at the second supply position switches the first directional control valve to the first discharge position via the first switching mechanism.
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