Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 13, 2009
Patent Application Number
09929237
Date Filed
August 13, 2001
Patent Citations Received
Patent Primary Examiner
Patent abstract
Woodworking machines including cutting tools and motors adapted to drive the cutting tools are disclosed. The machines also include a detection system adapted to detect a dangerous condition between the cutting tool and a person, and a reaction system adapted to perform a specified action upon detection of the dangerous condition. The machines further include a control system adapted to test the operability of at least a portion of the detection system and/or the reaction system. The control system is adapted to disable the motor if the tested portion is inoperable.
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