The invention discloses a multi-rod balance jack which comprises a hydraulic cylinder body and a hydraulic cylinder cover, wherein a piston is arranged in the hydraulic cylinder body and is connected with the inner wall of the hydraulic cylinder body in a sliding manner; a plurality of thin piston rods are arranged on the piston; a plurality of through holes are formed in the hydraulic cylinder cover; the positions of the multiple through holes correspond to those of the multiple thin piston rods; a groove is formed in the bottom of the hydraulic cylinder body. Due to the mode, the multi-rod balance jack is simple and reasonable in structure and is relatively good in balance performance during use.


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    Titel :

    Multi-rod balance jack


    Beteiligte:
    XU XIWEI (Autor:in)

    Erscheinungsdatum :

    08.04.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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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