Clamping Apparatus and Arrangement of Such a Clamping Apparatus with a Collet
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United States of America Patent
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app pub date -
Feb 5, 2010
filing date -
Aug 7, 2007
priority date (Note) -
Abandoned
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Abstract
A chuck for accommodating a multipart collet for clamping a workpiece in place has a housing with a collet receptacle having a guide device and guide surfaces. The collet is movable on the chuck in the axial direction. The guide device has balls as rolling elements on the guide surfaces, of which a multiplicity are continuously arranged on a rolling element holder. They are movable together with the latter in the guide device from an initial position into the chuck. A restoring device is provided for the rolling element holder, with a direction of action out of the chuck, in order to move the balls back into the initial position when no collet is in the chuck.
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