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Apparatus and method for detecting dangerous conditions in power equipment

  • US 20030131703A1
  • Filed: 01/15/2003
  • Published: 07/17/2003
  • Est. Priority Date: 01/16/2002
  • Status: Abandoned Application
First Claim
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1. A saw comprising:

  • a circular blade adapted to spin;

    a motor configured to spin the blade;

    a detection system adapted to detect contact between the blade and a person, where the detection system is adapted to impart an electrical signal on the blade;

    a reaction system adapted to stop the blade from spinning upon the detection of the contact by the detection system; and

    a direct drive system interconnecting the a motor and the blade, where the direct drive system includes at least two shaft portions coupled by a substantially nonconductive coupling.

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