Dual independent control hydraulic switch machine
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United States of America Patent
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May 31, 2016
Grant Date -
Nov 20, 2014
app pub date -
May 17, 2013
filing date -
May 17, 2013
priority date (Note) -
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Abstract
A hydraulically powered switch machine having power and manual operating modes, and a dual disconnect mechanism. In power operation mode, the machine may be operated remotely, or using controls located on or near the machine. In the event of power failure, the machine may be operated manually. The dual disconnect mechanism physically disconnects the powered throw mechanism when the machine is operating in manual mode and physically disconnects the manual throw mechanism when the machine is operating in power mode, in both cases preventing unexpected movement of the manual throw mechanism.
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