Method and apparatus to detect change in work tool

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 predete...

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Bibliographische Detailangaben
Hauptverfasser: Groth, Ronald O, Kemner, Carl A, Lay, N. Keith
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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.