Disclosed is an up-and-down driving device comprising a driving means, a fixed-position compression spring main module, and a variable-position compression spring supplemental module. The up-and-down driving device is configured to allow an up-and-down driving unit 150 to move while supporting the load of an object, in a support module 90 in which the up-and-down driving unit 150 is movably inserted into an inner space of a fixed housing 120, the up-and-down driving device comprising: a driving means configured to move the up-and-down driving unit 150 in an up-and-down direction; a fixed-position compression spring main module 100 comprising a fixed-position compression spring 130 having one side fixed to a lower end of the housing 120 and the other side supporting the up-and-down driving unit 150 and mounted in a motion direction of the up-and-down driving unit 150; and a variable-position compression spring supplemental module 200 comprising a variable-position compression spring 250 having one side mounted rotatably to a side of the housing 120 and the other side fastened rotatably to the up-and-down driving unit 150 and configured to rotate while making a predetermined angle with the motion direction of the up-and-down driving unit 150.


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    Titel :

    UP-AND-DOWN DRIVING DEVICE


    Weitere Titelangaben:

    VORRICHTUNG ZUM AUF- UND ABWÄRTSFAHREN
    DISPOSITIF D'ENTRAÎNEMENT VERS LE HAUT ET VERS LE BAS


    Beteiligte:
    KIM CHANG SUNG (Autor:in) / LEE YOUNG WOO (Autor:in)

    Erscheinungsdatum :

    03.07.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    A61B DIAGNOSIS , Diagnostik / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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