A lift crane includes a carbody and movable ground engaging members mounted on the carbody. A rotating bed is rotatably connected to the carbody and includes a counterweight support frame including a rack coupled directly to a lower surface of the rotating bed. A boom is pivotally mounted to the rotating bed. A counterweight unit movement device is configured to move the counterweight unit toward and away from the boom. At least one auxiliary member includes a counterweight pad that is configured to not touch the ground during a pick, move, and set operation. A linear actuator is configured to adjust a distance that the counterweight pad is above the ground.


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    Titel :

    HEIGHT ADJUSTMENT MECHANISM FOR AN AUXILIARY MEMBER ON A CRANE


    Beteiligte:
    ALBINGER TIMOTHY J (Autor:in) / BORLEE JONATHAN M (Autor:in) / GEISER DERRICK L (Autor:in) / NOESKE INGO (Autor:in) / NYSSE BRIAN N (Autor:in) / O'NEIL WILLIAM J (Autor:in) / RESCH BRANDON D (Autor:in) / ROBERTSON DAVID A (Autor:in) / RUCINSKI JOSEPH R (Autor:in) / TAYLOR JOHN W (Autor:in)

    Erscheinungsdatum :

    2015-07-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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