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    • 4. 发明授权
    • Residual toner removing apparatus
    • 残留除粉装置
    • US3965524A
    • 1976-06-29
    • US443524
    • 1974-02-19
    • Takaji KuritaTakao Fujiwara
    • Takaji KuritaTakao Fujiwara
    • G03G21/10G03G21/00A47L5/38
    • G03G21/0035G03G2221/0005
    • A residual toner removing apparatus comprises a rotatable cleaning brush enclosed by a casing plate and a restriction board except for two gaps housed in a housing with an opening adjacent to a known photoreceptor surface. During rotation, brush hairs contact the casing plate to charge it with an opposite polarity to that of the toner particles, while the brush hairs are compressed by the restriction board, the cleaning brush thus acting like a fan for circulation of air and entrained toner particles, during which circulation lighter toner particles are attracted by the casing plate with heavier particles falling into catchment portions on the casing and well portions at lower parts of the housing for efficient removal of toner particles without separate vacuum means.
    • 残留调色剂除去装置包括由壳体板和限制板包围的可旋转清洁刷,除了容纳在具有与已知感光体表面相邻的开口的壳体中的两个间隙之外。 在旋转期间,刷毛接触壳体板以与调色剂颗粒的极性相反的电荷,同时刷毛被限制板压缩,因此清洁刷像风扇一样作用以使空气和夹带的调色剂颗粒循环 ,在此期间,更轻的调色剂颗粒被壳板吸引,较重的颗粒落入壳体上的集水部分和壳体下部的井口部分,用于有效地除去调色剂颗粒而没有单独的真空装置。
    • 7. 发明授权
    • Erasing device for image transfer type copying apparatus
    • 图像传送型复印装置的擦除装置
    • US4244647A
    • 1981-01-13
    • US23249
    • 1979-03-23
    • Takao FujiwaraYoshitaro Furukawa
    • Takao FujiwaraYoshitaro Furukawa
    • G03G15/045G03G15/047G03G21/06G03G21/08G03G15/00
    • G03G15/047G03G21/08G03G2215/0439G03G2215/0448G03G2215/0463
    • In an image transfer type copying apparatus including an image exposure station having an exposure lamp for successively projecting an image of the original onto a photosensitive member, charging means disposed around the photosensitive member for charging the surface of the photosensitive member, a developing station for developing an electrostatic latent image, a transfer station for transferring the developed image onto a copying member and a cleaning station for cleaning the residual toner, the improvement consists of an erasing station for erasing unnecessary charges formed by the charging station which remains operative even after formation of the latent image. A controller energizes the erasing lamp while the exposure lamp is still lit with the exposure lamp being effectively energized even after completion of exposure of the image. The erasing station is energized when the trailing edge of the latent image reaches a position not influenced by the erasing operation.
    • 在包括具有用于将原稿的图像连续投影到感光部件上的曝光灯的图像曝光台的图像传送型复印设备中,设置在感光部件周围的用于对感光部件的表面充电的充电装置,用于显影 静电潜像,用于将显影图像转印到复印部件上的转印站和用于清洁残留调色剂的清洁站,改进包括用于擦除由充电站形成的不必要电荷的擦除站,即使在形成 潜像。 即使在图像曝光完成后,曝光灯仍然亮起,曝光灯被有效地通电,控制器会激励擦除灯。 当潜像的后缘到达不受擦除操作影响的位置时,擦除工作站通电。
    • 8. 发明授权
    • Electrophotographic copying apparatus for copying thick and thin
originals
    • 用于复印厚薄原稿的电子照相复印设备
    • US4174904A
    • 1979-11-20
    • US844068
    • 1977-10-20
    • Hiroshi MurasakiYuji EnoguchiKenichi WadaTakao Fujiwara
    • Hiroshi MurasakiYuji EnoguchiKenichi WadaTakao Fujiwara
    • G03B27/50G03B27/52G03G15/04G03G15/30G03G15/28
    • G03B27/525G03G15/302
    • An electrophotographic copying apparatus which includes a thin sheet original transporting device having transporting rollers and disposed adjacent to a transparent platform for holding thick originals at the upper portion of the copying apparatus, and an image forming optical system moving device for moving the optical system from a scanning starting position for thick original copying to a stationary optical system position for thin sheet original copying in association with a change-over of operation from copying a thick original to copying a thin sheet original in order to eliminate disadvantages inherent in exposures in conventional copying apparatuses, and the distance between first and second reflecting mirrors of the optical system at the scanning starting position for copying thick originals is set to be less than that when the optical system is in the stationary position for reduction of the size of the copying apparatus.
    • 一种电子照相复印装置,其特征在于,具有:薄片原稿输送装置,具有输送辊,与复印装置的上部保持厚原稿的透明平台相邻配置;以及图像形成用光学系统移动装置, 扫描起始位置,用于将厚的原始复制扫描到用于薄片原始复印的固定光学系统位置,与从厚的原稿复制到复制薄片原稿的操作转换相关联,以消除常规复印设备中的曝光中固有的缺点 并且将用于复印厚原稿的扫描开始位置处的光学系统的第一和第二反射镜之间的距离设置为小于当光学系统处于静止位置时的距离,以减小复印设备的尺寸。
    • 10. 发明授权
    • Developing device drive mechanism for selecting and powering developing
units
    • 开发用于选择和供电开发单元的设备驱动机制
    • US5103764A
    • 1992-04-14
    • US758178
    • 1991-09-11
    • Takao FujiwaraHideo Kitakubo
    • Takao FujiwaraHideo Kitakubo
    • G03G15/01
    • G03G15/0126
    • A developing device for color copiers and the like. The developing device has a plurality of developing units, each of which has a developing roller for developing an electrostatic latent image formed on an image carrier; a developing unit switching device for moving the developing units linearly and for selecting one of the developing units to oppose the image carrier; a fixed driving source for generating a driving force to drive the developing rollers; wrapping connecting apparatus which has a wrapping member and movable rotating structure having at least one rotating member and movable together with the developing units, the wrapping connecting apparatus being for conveying the driving force to the movable rotating structure; and a plurality of clutches, each of which is provided for one developing unit and is switched to a first state wherein the clutch conveys the driving force from the movable rotating structure to the developing roller and to a second state wherein there is no conveyance.
    • 用于彩色复印机等的显影装置。 显影装置具有多个显影单元,每个显影单元具有用于显影形成在图像载体上的静电潜像的显影辊; 显影单元切换装置,用于线性移动显影单元,并用于选择显影单元中的一个与图像载体相对; 用于产生驱动显影辊的驱动力的固定驱动源; 包装连接装置,具有包装件和可移动的旋转结构,该结构具有至少一个旋转件,并与显影单元一起移动;包装连接装置用于将驱动力传送到可移动旋转结构; 以及多个离合器,每个离合器被设置用于一个显影单元,并且被切换到第一状态,其中离合器将可移动旋转结构的驱动力传递到显影辊,并且到达不存在传送的第二状态。