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Safety systems for power equipment

  • US 20060123960A1
  • Filed: 02/13/2006
  • Published: 06/15/2006
  • Est. Priority Date: 08/13/2001
  • Status: Abandoned Application
First Claim
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1. A method of operating a saw comprising:

  • providing a blade configured to move to cut a work piece, where the blade includes a cutting edge;

    providing a motor adapted to move the blade;

    providing a detection system adapted to detect a dangerous condition between a person and the blade while the blade is moving and to distinguish that dangerous condition from proximity between green wood and the blade by imparting a signal to the blade and monitoring that signal for a predetermined change indicative of the dangerous condition;

    providing a reaction system adapted to take some action to mitigate possible injury if the detection system detects the dangerous condition; and

    moving the blade to cut a work piece while the detection and reaction systems are active.

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