×

Safety detection and protection system for power tools

  • US 20040226800A1
  • Filed: 05/13/2003
  • Published: 11/18/2004
  • Est. Priority Date: 05/13/2003
  • Status: Active Grant
First Claim
Patent Images

1. A table saw comprising:

  • a frame structure with a generally flat work surface;

    a rotatable circular blade mounted on an arbor and being adapted to have at least a portion of said blade extending above the flat work surface in position to cut a work piece;

    a drive motor with an output shaft mounted to the frame structure for powering the saw blade;

    a sensing mechanism for generating at least a first actuation signal responsive to predetermined sensed characteristics relating to the existence and/or movement of a person in close proximity thereto;

    a retracting mechanism located beneath said work surface for rapidly moving the blade downwardly below the work surface responsive to said first actuation signal being received.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×