A vertically movable workpiece support device has a drive chain bendable to only one side which supports a workpiece support base in a vertically linear path section. The drive chain extends from one end portion coupled to the workpiece support base to an intermediate portion engaging with a driving sprocket wheel. A chain guide plate which sandwiches, with the driving sprocket wheel, a link-to-link roller of the drive chain is arranged on an outer side of the driving sprocket wheel. A mark is displayed, on the side surface of the chain guide plate, in a position separated a certain distance outward from a turning path of links in the drive chain, and an opening portion for visually checking the mark is provided in a side wall which pivotally supports the driving sprocket wheel.


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    Title :

    Vertically Movable Workpiece Support Device


    Contributors:

    Publication date :

    2019-02-07


    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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