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    Drawing instrument for an ellipse
    1.
    发明授权
    Drawing instrument for an ellipse 失效
    绘制椭圆的仪器

    公开(公告)号：US4182043A

    公开(公告)日：1980-01-08

    申请号：US925856

    申请日：1978-07-18

    申请人： Yoshio Nemoto

    发明人： Yoshio Nemoto

    IPC分类号： B43L11/04 ,  B43L11/055

    CPC分类号： B43L11/04

    摘要： A drawing instrument for drawing an ellipse having two arms extending to left and right associated with operating mechanisms, so that when the arms are opened by a turning force of a first arm, a center moves along the straight line C, C' at a right angle to a straight line B, B' while maintaining two angles .theta. and .theta.', which are formed between the straight lines B, B' extending between centers of the bed seats or supports and left and right arms about the center, equal to each other.

    摘要翻译： 用于绘制具有与操作机构相关联的左右两个臂的椭圆形的绘图仪器，使得当臂通过第一臂的转动力打开时，中心沿着直线C，右侧的C'移动 与直线B，B'成直角，同时保持两个角度θ和θ'，它们形成在床座或支撑件的中心之间延伸的直线B，B'和围绕中心的左右臂之间，等于每个 其他。

    Oval cutter
    9.
    发明授权
    Oval cutter 失效
    椭圆形切割机

    公开(公告)号：US06374503B1

    公开(公告)日：2002-04-23

    申请号：US09724862

    申请日：2000-11-28

    申请人： Christopher Carlson ,  Robert Cornell ,  Steve Suchanek

    发明人： Christopher Carlson ,  Robert Cornell ,  Steve Suchanek

    IPC分类号： B43L900

    CPC分类号： B26F1/3846 ,  B26B29/06 ,  B43L11/04 ,  Y10T83/699 ,  Y10T83/6995 ,  Y10T83/8791 ,  Y10T83/8889

    摘要： An apparatus for rendering ovals of adjustable sizes and ellipticity upon various materials. An oval cutter comprises a clickerplate for adjusting the ellipticity of ovals in a single movement. The clickerplate can be rotated about a base using a knob mounted on the clickerplate. One embodiment of this invention comprises a storage compartment in the knob which can hold, for example, extra blades. A further embodiment of this invention comprises an arm that translates through the clickerplate and a swivel plate used for setting the overall size of the oval by locking the arm at a set length. In yet a further embodiment of this invention, ovals can be rendered in either a clockwise or a counterclockwise direction and an arrow can indicate the direction in which the apparatus is set to render ovals.

    摘要翻译： 用于在各种材料上渲染可调节尺寸和椭圆率的椭圆的装置。 椭圆形切割器包括用于在单个运动中调整椭圆椭圆度的回击板。 可以使用安装在点击面板上的旋钮围绕底座旋转。 本发明的一个实施例包括可以容纳例如额外叶片的旋钮中的储藏室。 本发明的另一个实施例包括一个平移穿过回卷板的臂和用于通过将臂锁定在一定长度上来设定椭圆的整体尺寸的旋转板。 在本发明的另一个实施例中，椭圆可以以顺时针或逆时针方向呈现，并且箭头可以指示装置被设置成呈现椭圆的方向。

    Oval cutter
    10.
    发明授权
    Oval cutter 失效

    公开(公告)号：US06158133A

    公开(公告)日：2000-12-12

    申请号：US220309

    申请日：1998-12-23

    申请人： Christopher Carlson ,  Robert Cornell ,  Steve Suchanek

    发明人： Christopher Carlson ,  Robert Cornell ,  Steve Suchanek

    IPC分类号： B26B29/06 ,  B26F1/38 ,  B43L11/04 ,  B43L9/00 ,  B26B3/00 ,  B26D7/00

    CPC分类号： B26F1/3846 ,  B26B29/06 ,  B43L11/04

    摘要： An apparatus for rendering ovals of adjustable sizes and ellipticity upon various materials. An oval cutter comprises a clickerplate for adjusting the ellipticity of ovals in a single movement. The clickerplate can be rotated about a base using a knob mounted on the clickerplate. One embodiment of this invention comprises a storage compartment in the knob which can hold, for example, extra blades. A further embodiment of this invention comprises an arm that translates through the clickerplate and a swivel plate used for setting the overall size of the oval by locking the arm at a set length. In yet a further embodiment of this invention, ovals can be rendered in either a clockwise or a counterclockwise direction and an arrow can indicate the direction in which the apparatus is set to render ovals.