KICKBACK DETECTION METHOD AND APPARATUS
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United States of America Patent
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Issued Date -
Feb 16, 2012
app pub date -
Aug 11, 2011
filing date -
Aug 11, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In various embodiments, a cutting tool such as a chainsaw may include a cutting member that is movable by an engine, one or more sensors configured to detect one or more of acceleration in a direction parallel to one or more axes of the cutting tool and rotational velocity about one or more axes of the cutting tool, and a microprocessor configured to cause movement of the cutting member to stop in response to receiving one or more signals from the one or more sensors. In various embodiments, a method may include receiving, by a microprocessor of a chainsaw, a signal from a gyroscope configured to detect rotational velocity about one or more axes of the cutting tool, and actuating, by the microprocessor, a braking system of the chainsaw to stop movement of a cutting chain around a perimeter of a guide bar in response to the signal.
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