A jack screw system having an upper, middle, and lower jack screw, each having corresponding jack screw teeth, for raising and lowering surfaces. The telescopic expansion of the jack screw system can be achieved using an engaging gear or belt. The jack screw system is generally used with furniture but may be used to raise any appropriate surface.


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    Title :

    Jack Screws for Multi-Configurable Furniture System


    Contributors:

    Publication date :

    2019-07-18


    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 / A47B Tische , TABLES / A47C Stühle , CHAIRS



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