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    • 3. 发明授权
    • Arrangement for supporting original documents on an optical copying
machine
    • 在光学复印机上支持原始文件的安排
    • US4154527A
    • 1979-05-15
    • US858164
    • 1977-12-07
    • Gunther SchnallWolfgang EbnerHanns BlochlErich SchlickGeorg Fryda
    • Gunther SchnallWolfgang EbnerHanns BlochlErich SchlickGeorg Fryda
    • G03B27/62
    • G03B27/6228
    • An optical copier has a transparent exposure plate which supports a portion of an original document to be copied and exposes the latter to light rays during the copying operation. The transparent plate extends across an opening of a frame, being inwardly offset with respect to a support surface of the frame. A lid is mounted on the frame for pivoting between a closed position in which the lid covers the transparent plate, and fully open position. A marginal portion of the frame holds the lid in its fully open position so that the lid serves to support another portion of the original document. A hinge which mounts the lid on the frame may include a connecting link and two pivots which respectively connect the link to the lid and to the frame. The hinge may be mounted either on the lid or on the frame for an easy detachment therefrom, for instance, by resiliently yieldable bearing blocks which engage with snap action behind an edge portion which surrounds an orifice. The easy detachment may also be achieved by providing bifurcated connecting members whose prongs yieldably embrace and engage an axle.
    • 光学复印机具有透明曝光板,其支持要复印的原稿的一部分,并在复印操作期间将其暴露于光线。 透明板延伸穿过框架的开口,相对于框架的支撑表面向内偏移。 盖子安装在框架上,用于在盖子覆盖透明板的关闭位置和完全打开位置之间枢转。 框架的边缘部分将盖子保持在其完全打开位置,使得盖子用于支撑原始文件的另一部分。 将盖子安装在框架上的铰链可以包括连接连杆和分别将连杆连接到盖子和框架的两个枢轴。 铰链可以安装在盖子上或框架上,以便与其分离,例如通过可弹性承受的轴承块,该轴承块与围绕孔口的边缘部分后面的卡扣动作接合。 也可以通过提供分叉连接构件来实现容易的分离,该分叉的连接构件可分段地包围和接合轴。