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    Movable table unit
    1.
    发明授权
    Movable table unit 有权
    活动台单元

    公开(公告)号：US06196138B1

    公开(公告)日：2001-03-06

    申请号：US09291379

    申请日：1999-04-14

    申请人： Junichi Sakai ,  Yoichi Fukasawa ,  Satoru Okamura

    发明人： Junichi Sakai ,  Yoichi Fukasawa ,  Satoru Okamura

    IPC分类号： A47B8500

    CPC分类号： G03F7/70716 ,  B23Q1/623 ,  F16C19/362 ,  F16C29/008 ,  F16C29/0633 ,  Y10T74/20348

    摘要： A movable table unit capable of carrying out an operation for rotating a movable table at a position other than an original point and an operation for moving it in parallel after rotating at a predetermined angle by a simple control, capable of moving the rotation center linearly along two axes easily, and further moving the movable table largely along a single axis, is provided. The movable table unit for achieving this object comprises a table base plate, a movable table supported movably on the table base plate, a plurality of moving members joined to a bottom surface of the movable table, a plurality of two-axis guiding systems for guiding each of the moving members along two axes intersecting with each other on the table base plate and for guiding largely along an axis, rotation systems for supporting the movable table or moving members rotatably relative to each of the two-axis guiding systems and a plurality of driving systems for moving each of the moving members selectively along any one of the two axial directions so as to provide the movable table with a linear motion along the two axes and for providing the movable table with a rotation motion around an axis perpendicular to the table base plate.

    摘要翻译： 一种可移动台单元，其能够执行用于使原始位置以外的位置旋转可移动台的操作和通过简单控制以预定角度旋转后平行移动的操作，能够使旋转中心沿着线性移动 提供了两个轴，并且沿着单个轴进一步移动可移动台。 用于实现该目的的可移动台单元包括台基板，可移动地支撑在工作台基板上的可移动台，连接到可移动台的底表面的多个移动构件，用于引导的多个两轴引导系统 每个移动构件沿着两个轴线彼此相交，并且用于沿着轴线很大地引导，用于相对于每个双轴引导系统可旋转地支撑可移动台或移动构件的旋转系统和多个 选择性地沿着两个轴向方向移动每个移动构件的驱动系统，以便沿着两个轴线提供可移动工作台的直线运动，并为可移动工作台提供围绕垂直于工作台的轴线的旋转运动 底盘。