Precision twist drill sharpener/point splitting machine
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United States of America Patent
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-
Mar 28, 1995
Grant Date -
N/A
app pub date -
Mar 19, 1993
filing date -
Mar 19, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A twist drill sharpener employing a pair of rotary grinding wheels has three primary drill chuck receiving openings, one for alignment of the twist drill and cams on the twist drill chuck; a second receptacle for grinding the end of a chucked twist drill; and a third receptacle which receives the drill and chuck for grinding a split point on the sharpened twist drill.
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