Clamping device
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United States of America Patent
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-
Feb 19, 2013
Grant Date -
Nov 3, 2011
app pub date -
Aug 18, 2010
filing date -
Apr 30, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A clamping device includes two springs, a first barrel, and a second barrel. Each of the two springs includes a first end and a second end. The first barrel is attached to the first ends of the springs, and includes a number of first clamping portions, a number of first slots, and a first receiving space. The first clamping portions and the first slots are alternately arranged around the first receiving space. The second barrel is attached to the second ends of the springs and received in the first receiving space. The second barrel includes a number of second clamping portions, a number of second slots, and a second receiving space. The second clamping portions and the second slots are alternately arranged around the second receiving space. The second barrel is rotatable relative to the first barrel in the first receiving space between a first position and a second position.
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