Drilling machine power pack which includes a clutch
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United States of America Patent
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Feb 11, 2014
Grant Date -
Apr 14, 2011
app pub date -
Oct 8, 2009
filing date -
Oct 8, 2009
priority date (Note) -
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Abstract
A drilling machine includes a compressor coupled to a prime mover through a hydraulic clutch, wherein the hydraulic clutch is repeatably moveable between engaged and disengaged conditions. The compressor is allowed to provide air and is restricted from providing air in response to the hydraulic clutch being in the engaged and disengaged conditions, respectively. The hydraulic clutch is moveable between the engaged and disengaged conditions during operation of the prime mover.
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