Clamping device
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United States of America Patent
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Aug 29, 2000
Issued Date -
N/A
app pub date -
Mar 19, 1999
filing date -
Oct 7, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A clamping device for frictional clamping of a workpiece which includes a clamp element adapted to frictionally clamp a workpiece and a mechanism for moving the clamp element which includes a shape memory alloy adapted to move the clamp element when the shape memory alloy is heated. The shape memory alloy moves the clamp element into a clamped state and/or unclamped state upon heating the shape memory alloy. The clamped element is preferably a super elastic alloy which is naturally oriented in a clamped position for a positive clamp and in an unclamped position for a non-positive clamp.
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