An elevator drive (1) suitable for use in a counterweight-less elevator installation (100). The drive (1) includes a motor (4), a traction sheave (6) driven by the motor (4) whereby the traction sheave (6) is arranged for engagement with an elongate load bearing member (102) supporting an elevator car (104), and pressure means (16) arranged to exert a normal force on the elongate load bearing member (102) as it engages with the traction sheave (6), wherein one of the traction sheave (6) and the pressure means (16) is displaceable relative to the other. Accordingly, in use, the normal force imparted by the pressure means (16) on the elongate load bearing member (102) as it engages with the traction sheave (6) can be varied. This can improve the longevity of the elongate load bearing member (102).


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    Titel :

    Elevator drive


    Weitere Titelangaben:

    Aufzugantrieb
    Commande d'ascenseur


    Beteiligte:
    HUSMANN JOSEF (Autor:in)

    Erscheinungsdatum :

    2015-05-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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