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    Ring opening and closing bar and binding apparatus using the same
    2.
    发明授权
    Ring opening and closing bar and binding apparatus using the same 失效
    环形开闭杆和使用其的装订装置

    公开(公告)号：US06663331B1

    公开(公告)日：2003-12-16

    申请号：US09657802

    申请日：2000-09-08

    申请人： Makoto Mori ,  Miki Horita ,  Yasuhiro Tokita

    发明人： Makoto Mori ,  Miki Horita ,  Yasuhiro Tokita

    IPC分类号： B42B510

    CPC分类号： B42B5/10

    摘要： A rectangular opening/closing bar is formed, which is inserted in the curl ring of the ring binder to bind papers. The tip end of the opening/closing bar 28A is provided with an instruction portion 28a to raise and open ring pieces in turn while inserting the opening/closing bar 28A. Further, the opening/closing bar may have swollen portions on both ends of the opening/closing bar 28A to enable the bar slide smoothly in the curl ring. And it may be provided with a guide plate 28D perpendicular to the side wall 28b of the opening/closing bar 28A of the swollen portions side. In order to enhance the workability of the opening/closing bar, it may be preferable to use an auxiliary device for positioning the ring binder.

    摘要翻译： 形成矩形的开/关杆，其插入环形活页夹的卷曲环中以结合纸张。 打开/闭合杆28A的前端设置有指示部28a，以在插入打开/关闭杆28A的同时依次抬高和打开环件。 此外，打开/关闭杆可以在打开/关闭杆28A的两端具有膨胀部分，以使得杆能够在卷曲环中平滑地滑动。 并且可以设置有与膨胀部侧的开闭杆28A的侧壁28b垂直的引导板28D。 为了提高打开/关闭杆的可操作性，可以优选使用用于定位环形活页夹的辅助装置。