The invention relates to an a drive machinery for an elevator, the drive machinery comprising a rotatable drive sheave for driving plurality of ropes of the elevator, the drive sheave comprising a central cylinder, which comprises a central axis around which the central cylinder is rotatable; plurality of circular rim members surrounding the central cylinder, each said rim member comprising an outer rim surface for engaging a rope. Said plurality of circular rim members includes one or more rotatably mounted circular rim members, each said rotatably mounted circular rim member being mounted on the central cylinder rotatably around said central axis relative to the central cylinder and relative to one or more of the other circular rim members, and in that said drive sheave moreover comprises a control means for controlling rotation of each said rotatably mounted circular rim member relative to the central cylinder and relative to one or more of the other circular rim members. The invention also relates to an elevator implementing the drive machinery.


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    Titel :

    Elevator drive machinery and elevator


    Beteiligte:

    Erscheinungsdatum :

    2022-03-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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