The invention relates to a jack. The jack comprises a hydraulic power source made by one container. The jack is characterized in that the interior of the hydraulic power source is filled with hydraulic oil; the upper end of the hydraulic power source is provided with a manually-operated piston pump; a feeding port of the manually-operated piston pump is arranged at the bottom of the hydraulic power source and soaked into the hydraulic oil; an outlet of the manually-operated piston pump is connected with a pressure gage, a pressure oil pipe joint and an executing component for hoisting an object; a base is arranged underneath the executing component; one side of the base is connected with an oil pipe joint, the upper end of which is provided with an oil cylinder body; the interior of the oil cylinder body is communicated with an oil pipe joint of the base; and a high-pressure oil pipe is arranged between the hydraulic power source and the executing component.


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    Title :

    Jack


    Publication date :

    2015-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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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