Electric abrasive sharpener
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United States of America Patent
Stats
-
Jun 26, 2012
Grant Date -
Dec 3, 2009
app pub date -
Mar 16, 2009
filing date -
Mar 14, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electric abrasive sharpener for sharpening edges having pairs of interlocking abrasive wheels formed with opposite abrasive helical threads. Each end of the threads respectively has lead-in section and lead-out section having chamfer edge portion to eliminate kickback. The abrasive wheels of the sharpener is driven by a single phase AC motor connected to a motor drive that steps down the rotational speed of the output shaft of the motor to rotate the abrasive wheels with increased torque.
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