High output hydraulic cylinder and piston arrangement
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United States of America Patent
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Nov 27, 2018
Grant Date -
Sep 22, 2016
app pub date -
Nov 5, 2014
filing date -
Nov 5, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Reciprocally moving an output rod mounted to a force transfer member includes applying hydraulic pressure to a first piston and cylinder device to operate the first piston and cylinder device in compression to move the force transfer member in a first direction; applying hydraulic pressure to a second piston and cylinder device to operate the second piston and cylinder device in compression to move the force transfer member in an opposite second direction; refraining from applying tension to the second piston and cylinder device while applying hydraulic pressure to the first piston and cylinder device; and refraining from applying tension to the first piston and cylinder device while applying hydraulic pressure to the second piston and cylinder device.
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