Retention for holder shank
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United States of America Patent
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Oct 23, 2012
Grant Date -
Jun 25, 2009
app pub date -
Dec 21, 2007
filing date -
Dec 21, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In one aspect of the present invention, a degradation assembly has a holder comprising a first end and a second end and a shank with a longitudinal central bore having an opening at an end proximate the second end. The shank portion of the holder has an inside diameter of the bore and an outside diameter wherein either the inner diameter or the outer diameter comprise at least one recess disposed therein which comprises a depth of less than the distance between the inner diameter and the outer diameters.
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