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Table saw with improved safety system

  • US 7,640,837 B2
  • Filed: 03/27/2008
  • Issued: 01/05/2010
  • Est. Priority Date: 08/14/2000
  • Status: Expired due to Fees
First Claim
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1. A table saw comprising:

  • a frame including a table defining a work surface;

    a support member supported by the frame to move relative to the work surface;

    an arbor block supported by the support member to move relative to the support member;

    a bearing supported by the arbor block;

    a rotatable arbor supported by the bearing;

    a blade mounted on the arbor and extendable up through the work surface;

    a tilt adjustment mechanism configured to move the support member to adjust the tilt of the blade relative to the work surface;

    an elevation adjustment mechanism configured to pivot the arbor block relative to the support member to adjust the elevation of the blade relative to the work surface;

    a detection system configured to detect a dangerous condition between a person and the blade; and

    a brake configured to engage and stop the blade upon detection of the dangerous condition between the person and the blade;

    where the brake is mounted to the arbor block to maintain an operative position relative to the blade as the tilt or elevation of the blade is adjusted.

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