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    Float biased level apparatus
    10.
    发明授权
    Float biased level apparatus 失效
    浮子偏置水平仪

    公开(公告)号：US4914823A

    公开(公告)日：1990-04-10

    申请号：US340069

    申请日：1989-04-18

    申请人： Kenneth W. Harris

    发明人： Kenneth W. Harris

    IPC分类号： G01C9/12

    CPC分类号： G01C9/12

    摘要： A level for determining whether a surface is horizontal and which can also be used to determine the angular relationship between the surface or a line on the surface and the horizontal. The level utilizes a rotating pendulum designed with a pointer that indicates a direction representing the vertical. The pointer (or vertical indicator) is biased in this position by a weight (or alternatively a float) and it points to scale markings that calibrate the position of the rotating pendulum to correspondingly represents the angular deviation of the surface from the horizontal. The weight and the pointer are attached by a set screw which allows the weight to be pivoted with respect to the pointer so that the center of gravity of the rotating pendulum as a whole can be altered and the direction in which the pointer points can be adjusted for accuracy.

    摘要翻译： 用于确定表面是水平的并且还可以用于确定表面或表面上的线与水平面之间的角度关系的水平。 该级别利用设计有指示表示垂直方向的指针的旋转摆。 指针（或垂直指示器）通过重量（或浮动）偏置在该位置，并且它指向校准旋转摆的位置的刻度标记，以对应地表示表面与水平面的角度偏差。 重量和指针通过固定螺丝附接，该固定螺钉允许重物相对于指针枢转，使得整个旋转摆的重心可以改变，并且指针指向的方向可以被调整 为了准确。