Concrete finishing trowel
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United States of America Patent
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-
Mar 9, 2010
Grant Date -
Jan 24, 2008
app pub date -
Apr 22, 2005
filing date -
Apr 23, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A concrete finishing trowel comprising at least one rotor which is mounted on a frame and is provided with a rotatably driven shaft and several blades that are mounted on the driven shaft. A blade deflection mechanism moves the blades on a path that deviates from a circular path relative to the drive shaft.
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