Clamping device
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United States of America Patent
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Jan 8, 2019
Grant Date -
Dec 10, 2015
app pub date -
Jan 28, 2014
filing date -
Jan 28, 2013
priority date (Note) -
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Abstract
A clamping device has a pair of first and second clamping arms rotatably supported with respect to a body, and a cam member having a cam surface is removably provided at one end of each of the first and second clamping arms. A pair of rollers pivotally supported by a block body constituting a drive unit are each in contact with the cam member. By a descent of the block body under the driving action of the drive unit, the cam surface of the cam member is pressed by the rollers, and the cam surface inclined in the displacement direction of the block body and recessed in a cross-sectional arc shape is pressed.
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