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    • 5. 发明授权
    • Pattern scanning device for copying machines
    • 复印机图案扫描装置
    • US4417809A
    • 1983-11-29
    • US348453
    • 1982-02-12
    • Joachim NotzelAnton SchatzHarthmuth BuczekGunther Kirchhof
    • Joachim NotzelAnton SchatzHarthmuth BuczekGunther Kirchhof
    • G03B27/50G02B7/02G03B27/52G03G15/04G03G15/043G03B27/44
    • G03B27/526G02B7/021
    • The pattern scanning projection device for copying machines of the type in which a pattern is projected in a strip-like manner on an image recording support by means of a pattern scanning unit which is movable in guiding grooves and includes a plurality of scanning lens plates. The lens plates for the sake of uniform projection of partial images cooperate with aperture and/or image field diaphragms and with separating diaphragms. The lens plates are individually insertable into an objective housing which is detachable from the copying machine. The housing is assembled of two parts, one housing part being provided with mounting longitudinal grooves engaging one longitudinal edge of respective lens plates and the lens plates being centered in the longitudinal grooves by separate centering grooves and being secured in central position at one point only so as to permit longitudinal displacement due to mechanical or thermal stresses. The other longitudinal edges of the plates are covered by the other housing part which is preferably made of a plastic material. The entrance and the discharge ports of the objective housing are hermetically sealed by glass panes.
    • 一种图案扫描投影装置,用于通过可在引导槽中移动并且包括多个扫描透镜板的图案扫描单元将图案以带状方式投射在图像记录载体上的类型的复印机。 用于部分图像的均匀投影的透镜板与孔径和/或图像场隔膜以及分隔膜片配合。 透镜板可分别插入到可与复印机分离的物镜外壳中。 壳体由两部分组装,一个壳体部分设置有与相应透镜板的一个纵向边缘接合的安装纵向凹槽,并且透镜板通过分开的定心槽在纵向凹槽中居中,并且仅在一个位置固定在中心位置 以允许由于机械或热应力引起的纵向位移。 板的另一个纵向边缘被另一个壳体部分覆盖,该另一个壳体部件优选地由塑料材料制成。 物镜外壳的入口和出口通过玻璃板密封。