Self-centering clamp
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United States of America Patent
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Mar 15, 2016
Grant Date -
Nov 6, 2014
app pub date -
Apr 1, 2014
filing date -
May 1, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A clamping device is configured to ensure that a workpiece fixed between the jaws of the clamp is self centered by coupling the jaws to a pair of linkages that rotate through the same angle as the application of a first causes the jaws to translate in linear fashion across the surface of the device. In particular, the clamping device utilizes coupled linkage (e.g., a 180° bell crank), in combination with slots for retaining opposing jaws and maintaining only linear movement of the jaws, thus providing a fast and accurate self-centering arrangement. The clamping device may also be located within a hollow workpiece and controlled to move the jaws outward and engage the inner surface of the hollow workpiece in a self-aligned configuration.
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