Logic control for fast-acting safety system

Details Logic control for fast-acting safety system Logic control for fast-acting safety system

2011-04-12

2011-04-12

Alie, Ghassem (Department: 3724)

Cutting

With randomly actuated stopping means

C083S062100, C083SDIG002, C083S477100, C083S477200, C083S490000, C083S788000

Reexamination Certificate

active

07921754

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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