The present invention relates to a screw jack in which a guide member can be easily vertically lifted up and down vertically by an elevating guide unit without rotating even when a ball screw shaft is rotated and the ball screw shaft is dually supported from upper and lower ends to prevent displacement of the ball screw shaft.

    본 발명은 볼스크류 축의 회전에도 가이드 부재는 회전하지 않으면서 승강 안내부에 의해 수직으로 용이하게 수직으로 승강함은 물론 볼스크류 축의 상·하단부에서 이중으로 지지하여 볼스크류 축의 유동을 방지할 수 있는 스크류 잭에 관한 것이다.


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    Title :

    Screw jack


    Additional title:

    스크류 잭


    Contributors:

    Publication date :

    2020-01-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    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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