Power tool
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United States of America Patent
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Nov 29, 2011
Grant Date -
Apr 16, 2009
app pub date -
Sep 19, 2008
filing date -
Sep 21, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The controller determines the presence or absence of operation of the trigger switch according to an ON/OFF state of the main contact of the trigger switch and designating the rotation speed of the motor based on a signal outputted from the speed contact. The controller stops the rotation of the motor, after the trigger switch is activated and the main contact is turned ON and the motor is driven according to a signal outputted from the speed contact, when an OFF state of the main contact is detected, only in the case where a signal value outputted from the speed contact is a predetermined value or less.
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Family
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