The invention relates to a door drive device for opening and closing corresponding lift door leaves of lift doors of a lift. The door drive device according to the invention has a first driver (42), which acts on a first coupling element (36) arranged on a first lift door leaf to open the first lift door leaf of a first lift door, and a second driver (48), which acts on a second coupling arrangement (38) arranged on a first lift door leaf to close the first lift door leaf of the first lift door. The first driver (42) and the second driver (48) can be displaced by means of a drive unit (24) in an opening direction (32) and a closing direction (34) of the first lift door. According to the invention, the drive unit (24) has a first drive (40) for displacing the first driver (42) and a second drive (50) for displacing the second driver (48) and the first driver (42) and the second driver (48) can be displaced independently of one another in the opening direction (32) and in the closing direction (34) by means of the drive unit (24).


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    Title :

    TÜRANTRIEBSVORRICHTUNG MIT ZWEI UNABHÄNGIGEN VONEINANDER VERLAGERBAREN MITNEHMER


    Additional title:

    DOOR DRIVE DEVICE WITH TWO INDEPENDENTLY DISPLACABLE DRIVERS
    DISPOSITIF D'ENTRAÎNEMENT DE PORTE À DEUX DISPOSITIFS D'ENTRAÎNEMENT DÉPLAÇABLES INDÉPENDAMMENT


    Contributors:

    Publication date :

    2025-07-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    German


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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