Work fixing device
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United States of America Patent
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-
Jun 8, 2010
Grant Date -
Dec 28, 2006
app pub date -
Jun 6, 2006
filing date -
Jun 10, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A work fixing device capable of stably fixing the work, without any biasing, in the longitudinal direction of the work, of the fastening force for fixing the work. The moving mechanism of clamps is constructed by comprising a scroll disc as working disc forming a circular hole in which to insert the work at the center and scroll guides in spiral shape the winding direction of which is opposite to each other from the center toward the outer circumference on the both side faces, a rotary drive mechanism for rotatably driving this scroll disc, and scroll pieces having a fitting portion to be engaged with the scroll guides of the scroll disc and disposed on both sides of the scroll disc in a way to correspond to a plurality of clamps respectively.
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