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    Common drive for raising the top feed rollers and advancing the rollers of frame saws
    3.
    发明授权
    Common drive for raising the top feed rollers and advancing the rollers of frame saws 失效
    用于提升顶部进纸辊和推进框架锯的滚筒的常用驱动装置

    公开(公告)号：US2961017A

    公开(公告)日：1960-11-22

    申请号：US71615858

    申请日：1958-02-19

    申请人： JOSEF TRABEN

    发明人： JOSEF TRABEN

    IPC分类号： B27B3/14 ,  F16H61/40

    CPC分类号： B27B3/14 ,  Y10T83/6475 ,  Y10T83/6579 ,  Y10T83/6636

    摘要： 790,440. Sawing. LINCK, K., [trading as LINCK MASCHINENFABRIK UND EISENGIESSERIE GATTERLINCK, GEB.]. Aug. 3, 1955, No. 22312/55. Class 145. The vertically-adjustable upper feed rollers of a frame saw are each carried by a rack engaged by a pinion on the shaft of a rotary hydraulic motor 1 to which power is supplied by a reversible hydraulic pump 6 and the pumps are driven by an electric motor 15 which, through an infinitely-variable hydraulic transmission 10 and gearing 17, also drives the bottom rollers. The pumps may be designed for constant delivery or variable delivery and are controlled by levers 11, 12 to which remote controls may be connected.