The invention provides a jack tool which comprises a first shaft and a second shaft. The first shaft comprises a first tail with a first protrusion connected to a first spring. The second shaft comprises a second head with a second hole. The second hole detachably contains the first protrusion of the first shaft by means of force which is converted by force acting on the first protrusion in different directions and acts on the first spring.


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    Titel :

    Stretchable jack tool and jack assembling using same


    Beteiligte:
    LIU MING (Autor:in) / GE ZHENHONG (Autor:in) / XU NAIJIANG (Autor:in)

    Erscheinungsdatum :

    2015-06-17


    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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