The invention relates to a drive machinery for an elevator, the drive machinery comprising a rotatable drive sheave for driving plurality of ropes of the elevator, and a motor for rotating the drive sheave; the drive sheave comprising a drive sheave body rotatable around a rotational axis; and plurality of rim arrangements mounted on the drive sheave body side by side in direction of said rotational axis, each said rim arrangement defining a circular outer rim for transmitting traction to a rope, said circular outer rims being coaxial with each other. The diameter of the circular outer rim of one or more of said rim arrangements is individually adjustable for enlarging or reducing the turning radius of a rope passing around the circular outer rim in question. The invention also relates to an elevator comprising said drive machinery.


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    Titel :

    ELEVATOR DRIVE MACHINERY AND ELEVATOR


    Beteiligte:

    Erscheinungsdatum :

    2020-03-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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