USING MAGNETIC FORCE/FIELD FOR DRILL BITS AND OTHER CUTTING TOOLS
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United States of America Patent
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Issued Date -
Feb 19, 2015
app pub date -
Aug 14, 2014
filing date -
Aug 15, 2013
priority date (Note) -
Abandoned
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Abstract
A cutting element assembly includes a rotatable cutting element having an axis of rotation extending axially therethrough, a cutting face and a body extending axially downward from the cutting face, at least one retention mechanism disposed adjacent to the rotatable cutting element, and a first magnet disposed at a back face of the rotatable cutting element.
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