Rotation tool having function of fixing workpiece
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United States of America Patent
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Jul 30, 2019
Grant Date -
Jun 15, 2017
app pub date -
Dec 13, 2016
filing date -
Dec 14, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A rotation tool is mounted to a spindle of a machine tool. The rotation tool comprises a cutter holding portion to which blade portion is fixed and a fixing device which fixes a workpiece. The blade portion is disposed at a tip end of the cutter holding portion. The fixing device includes a movement portion formed to be movable in the interior of the cutter holding portion and a pressing device which presses the movement portion to a side toward the workpiece. The fixing device includes a shaft portion rotatably supported relative to the movement portion and a pressing portion which presses the workpiece.
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