Rotation drive
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United States of America Patent
Stats
-
Jan 8, 2013
Grant Date -
May 6, 2010
app pub date -
Oct 14, 2009
filing date -
Nov 6, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tubular drive has a hollow shaft and at least one drive wheel mounted on the hollow shaft so as to rotate. The hollow shaft is rotatably mounted in a flange. An electric motor with an integrated generator is supplied for relative rotational adjustment of the drive wheel on the hollow shaft. A vibration exciter, particularly for a vibration pile driver, has at least two axles disposed parallel to one another, as well as at least two imbalance masses, which are attached on one or more of the axles. There is at least one such tubular drive for adjusting the relative rotation position of the imbalance masses with regard to one another.
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