Pulse tool and associated front plate
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United States of America Patent
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Apr 27, 2010
Grant Date -
Jan 8, 2009
app pub date -
Nov 13, 2007
filing date -
Nov 13, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pulse tool, in particular a pulse nutsetter, has a drive unit and a pulse unit driven by it. The pulse unit has at least one rotor with at least two vanes, a hydraulic cylinder surrounding it and a drive spindle protruding at one end out of the hydraulic cylinder through a front plate. The front plate is arranged between the rotor and a front cover, the cover being formed with a hydraulic fluid filling device. In order to improve a pulse tool of this nature, in that deviations from the desired pulse frequencies can be compensated in a simple manner and in particular already during the assembly of the pulse tool, the front plate has at least one bypass opening connecting the high-pressure and low-pressure chambers which are separated by the vanes. The pulse tool may also include an appropriate front plate.
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