Method and apparatus to detect change in work tool

Details Method and apparatus to detect change in work tool Method and apparatus to detect change in work tool

2006-01-24

2006-01-24

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S175000, C700S192000, C037S413000, C037S465000

Reexamination Certificate

active

06990390

ABSTRACT:
Method and apparatus to detect a change in a work tool with an engaging portion. A control system senses a change in the relationship between the engaging portion of the work tool and at least one of the work tool and another engaging portion of the work tool. If the change is greater than a predetermined value, the control system produces an error signal.

REFERENCES:
patent: 5743031 (1998-04-01), Launder et al.
patent: 5978504 (1999-11-01), Leger
patent: 6363173 (2002-03-01), Stentz et al.
patent: 2003/0226290 (2003-12-01), Savard et al.
patent: 2004/0148820 (2004-08-01), Horton
patent: 2004/0148823 (2004-08-01), Schenk

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