Kickback Reduction for Power Tools and Machines
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Sep 16, 2013
filing date -
Sep 16, 2012
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Abstract
An apparatus and methods are described for protecting an operator from sudden, unexpected or dangerous movement of powered hand held tools and the like. A set of parameters for safe operation of the tool are provided, which parameters may be adjusted or selected based on the manner in which the tool is being operated. The power tool is fitted with sensors including an accelerometer, operating to sense acceleration of the tool in a plurality of axes during operation. The output of the accelerometer is coupled to a computing circuit which determines if the acceleration of the tool is within the safe operation parameters. When acceleration of the tool exceeds one or more of the safe operating parameters, power to the tool motor is limited or otherwise adjusted in order to prevent or reduce the movement of the tool thereby protecting the operator.
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