Electrical device for automatically adjusting operating speed of a tool
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United States of America Patent
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Feb 10, 2009
Grant Date -
Dec 29, 2005
app pub date -
Jun 25, 2004
filing date -
Jun 25, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Electrically powered devices are provided that are generally capable of automatically adjusting an operating speed of a tool removably connected to the device. The device includes circuitry that evaluates tool wear for the tool removably connected to the device, produces a tool wear speed related signal, and adjusts the operating speed of the tool based on the speed related signal. The device may further be capable of automatically setting the initial operating speed of the particular tool removably connected to the device by identifying the particular tool and setting the initial operating speed which may later be adjusted.
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