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6 条记录 (耗时 0.011 秒)

    Sliding platen cover apparatus
    1.
    发明授权
    Sliding platen cover apparatus 失效
    滑动压板盖装置

    公开(公告)号：US3944366A

    公开(公告)日：1976-03-16

    申请号：US500803

    申请日：1974-08-26

    申请人： Donald A. Robertson

    发明人： Donald A. Robertson

    IPC分类号： G03B27/62

    CPC分类号： G03B27/6264

    摘要： Sliding platen cover apparatus which supports a stack of documents to be copied on the platen of a copier machine, and then is moved over the document to be copied and actuated to produce a frictional contact with the document against the platen. After copying and while in frictional contact, the cover apparatus is slidingly moved in a reverse direction to remove the document from the platen enabling the next document to be placed on the platen. The platen cover apparatus uses an articulated platen pad which is urged into contact with the document on the platen by a handle operated by a machine operator. The apparatus maintains frictional contact with the document until it is deposited into a receiving tray adjacent to the platen.

    摘要翻译： 滑动压板盖装置，其支撑要复印在复印机的压板上的一叠文件，然后移动到待复制和致动的文件上，以产生与文件抵靠压板的摩擦接触。 在复印之后并且在摩擦接触的同时，盖装置沿相反的方向滑动移动，以将文件从压板移除，使得下一个文档能够放置在压板上。 压板盖装置使用铰接的压板垫，其通过由机械操作者操作的把手被推压与压板上的文件接触。 该装置保持与文件的摩擦接触，直到其沉积到与压板相邻的接收盘中。

    Milling cutter
    6.
    发明授权
    Milling cutter 失效
    铣刀

    公开(公告)号：US4061076A

    公开(公告)日：1977-12-06

    申请号：US707884

    申请日：1976-07-22

    申请人： Donald A. Robertson

    发明人： Donald A. Robertson

    IPC分类号： B23C5/22 ,  B23C5/26

    CPC分类号： B23C5/2291 ,  Y10S279/904 ,  Y10T279/33 ,  Y10T279/3418 ,  Y10T407/1938 ,  Y10T409/309408

    摘要： A milling tool having multiple parts to facilitate tool change in which detachable metal cutting edges are mounted on an annular ring supported from an adapter mounted on the milling machine. The adapter includes a support plate for supporting the cutting ring and a pilot member which is biased against the cutting ring to insure that it is centered relative to the axis of rotation.

    摘要翻译： 具有多个部件以便于刀具更换的铣刀，其中可拆卸的金属切削刃安装在从安装在铣床上的适配器支撑的环形环上。 适配器包括用于支撑切割环的支撑板和向前偏置抵靠切割环以确保其相对于旋转轴线居中的先导构件。