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    Image-forming apparatus having an erase device located at a first or second position when the apparatus is in an opened or closed position
    51.
    发明授权
    Image-forming apparatus having an erase device located at a first or second position when the apparatus is in an opened or closed position 失效
    当设备处于打开或关闭位置时，具有位于第一或第二位置的擦除装置的图像形成装置

    公开(公告)号：US5115272A

    公开(公告)日：1992-05-19

    申请号：US703713

    申请日：1991-05-21

    申请人： Naoto Ohmori ,  Takashi Gonda

    发明人： Naoto Ohmori ,  Takashi Gonda

    IPC分类号： G03G15/00 ,  G03G15/08 ,  G03G21/06 ,  G03G21/08 ,  G03G21/16 ,  G03G21/18

    CPC分类号： G03G21/08 ,  G03G21/1628 ,  G03G21/1821 ,  G03G21/1853 ,  G03G2215/0897 ,  G03G2221/1654 ,  G03G2221/1669 ,  G03G2221/1684 ,  G03G2221/1687 ,  G03G2221/1693 ,  G03G2221/1876

    摘要： An image-forming apparatus includes: a first unit; a second unit opening and closing with respect to the first unit; an image-forming unit having a photosensitive member, a developing device, and a housing surrounding them; a holding device detachably holding the image-forming unit and attached to the second unit to move between a first and second positions; and an eraser device arranged at the second unit. The housing has a hole for connecting with an outer surface of the member. The eraser device is positioned outside the hole of the housing when the holding device is at the first position in opening the second unit, and in the hole thereof when the holding device is at the second position is closing the second unit. A method, in the apparatus, includes a first unit and a second unit opening and closing with respect to the first unit. The method includes the steps of: detachably attaching an image-forming unit to the second unit, the image-forming unit having a photosensitive member and a developing device therein; providing a hole for connecting with an outer surface of the member; fixedly attaching an eraser device to the second unit; holding the first unit at a first position when the second unit is opened, where the eraser device is confronted with the hole; and moving the first unit to a second position when the second unit is closed, where the eraser device is positioned in the hole.

    摘要翻译： 一种图像形成装置，包括：第一单元; 相对于所述第一单元打开和关闭的第二单元; 具有感光构件的图像形成单元，显影装置和围绕它们的壳体; 保持装置可拆卸地保持图像形成单元并附接到第二单元以在第一和第二位置之间移动; 以及布置在第二单元处的橡皮擦装置。 壳体具有用于与构件的外表面连接的孔。 当保持装置处于打开第二单元的第一位置时，橡皮擦装置位于壳体的孔的外侧，并且当保持装置处于第二位置时，橡皮擦装置在其孔中闭合第二单元。 在该装置中的方法包括相对于第一单元打开和关闭的第一单元和第二单元。 该方法包括以下步骤：将图像形成单元可拆卸地附接到第二单元，图像形成单元在其中具有感光构件和显影装置; 提供用于与所述构件的外表面连接的孔; 将橡皮装置固定地连接到第二单元; 当所述第二单元打开时将所述第一单元保持在第一位置，所述橡皮擦装置面对所述孔; 以及当所述第二单元关闭时将所述第一单元移动到第二位置，所述橡皮擦装置位于所述孔中。

    Method of stabilizing surface potential of photoreceptor for electrophotography
    52.
    发明授权
    Method of stabilizing surface potential of photoreceptor for electrophotography 失效
    稳定电子照相用感光体表面电位的方法

    公开(公告)号：US4935777A

    公开(公告)日：1990-06-19

    申请号：US221666

    申请日：1988-07-20

    申请人： Teruhiko Noguchi ,  Yuji Okamoto ,  Yoshiharu Tsujimoto ,  Hiroshi Kinashi ,  Yuhi Yui ,  Itaru Kawabata ,  Tooru Nakata ,  Jitsuo Masuda

    发明人： Teruhiko Noguchi ,  Yuji Okamoto ,  Yoshiharu Tsujimoto ,  Hiroshi Kinashi ,  Yuhi Yui ,  Itaru Kawabata ,  Tooru Nakata ,  Jitsuo Masuda

    IPC分类号： G03G21/00 ,  G03G21/08

    CPC分类号： G03G21/08 ,  G03G21/0094

    摘要： Before a photoreceptor for an electrophotographic image forming apparatus is uniformly charged at the beginning of a process for forming a latent electrostatic image thereon, the photoreceptor is exposed to charge-removing light for stabilizing the surface potential such that a high-quality image can be obtained. The level of exposure is modified in view of the fatigue and recovery characteristics of the photoreceptor. During a continuous operation of the photoreceptor, the level is logarithmically reduced. When the photoreceptor is started again after a rest period, the initial level of exposure is adjusted by logarithmically increasing it according to the length of the rest period as well as in view of the level of exposure prior to the rest period.

    摘要翻译： 在电子照相成像装置的感光体在其上形成静电潜像的处理开始时被均匀充电时，感光体暴露于电荷去除光中，以稳定表面电位，使得可以获得高质量的图像 。 考虑到感光体的疲劳和恢复特性，曝光水平被改变。 在感光体的连续操作期间，水平对数减小。 当在休息期后再次开始感光器时，根据休息期的长度以及考虑到休息期之前的暴露水平，通过对数地增加暴露的初始水平进行调整。

    Original illuminating apparatus
    53.
    发明授权
    Original illuminating apparatus 失效
    原装照明装置

    公开(公告)号：US4924269A

    公开(公告)日：1990-05-08

    申请号：US263818

    申请日：1988-10-28

    申请人： Hirofumi Hasegawa

    发明人： Hirofumi Hasegawa

    IPC分类号： G03B27/54 ,  G03G15/01 ,  G03G15/04 ,  G03G21/08

    CPC分类号： G03G21/08 ,  G03B27/542 ,  G03G15/011 ,  G03G15/04036

    摘要： A plurality of illuminating lights are positioned adjacent a document table for illuminating an original with different color light. A holding member is capable of not only rotating the individual light sources but also moving a specific light source outward to assume an advantageous position for illuminating the document. A cam mechanism can be utilized for automatically positioning the light source as it approaches the desired illumination position.

    摘要翻译： 多个照明灯位于文件台附近，用于以不同的颜色光照亮原稿。 保持构件不仅能够旋转各个光源，而且能够将特定的光源向外移动以呈现用于照亮文件的有利位置。 当光源接近所需的照明位置时，可以利用凸轮机构来自动定位光源。

    Image forming apparatus with a common power source for various chargers and a simplified arrangement for subjecting the photosensitive drum to blank exposure
    54.
    发明授权
    Image forming apparatus with a common power source for various chargers and a simplified arrangement for subjecting the photosensitive drum to blank exposure 失效
    具有用于各种充电器的公共电源的图像形成装置和用于使感光鼓进行空白曝光的简化布置

    公开(公告)号：US4920379A

    公开(公告)日：1990-04-24

    申请号：US359276

    申请日：1989-05-31

    申请人： Yasushi Nakanishi ,  Takahiro Fukunaga ,  Manabu Matsumoto

    发明人： Yasushi Nakanishi ,  Takahiro Fukunaga ,  Manabu Matsumoto

    IPC分类号： G03G21/00 ,  G03G15/00 ,  G03G15/04 ,  G03G15/043 ,  G03G15/047 ,  G03G21/08 ,  G03G21/14

    CPC分类号： G03G15/605 ,  G03G15/047 ,  G03G21/08 ,  G03G2215/0463

    摘要： An image forming apparatus with a main body composed of a light source, a photoreceptor, charging device for electrostatically a charging the surface of the photoreceptor, a developing device for supplying toner particles to the surface of the photoreceptor a transferring charger for transferring a toner image formed on the surface of the photoreceptor onto a copying sheet, and a high-voltage source for applying a high voltage trigger to both said charging device and the transferring charger simultaneously. The apparatus is designed to execute original scanning as an original glass plate is moved with respect to the main body, characterized in containing a reflecting unit for reflecting the light from the light source to illuminate the surface of the photoreceptor at an area between the charging device and the developing device, the reflecting unit is disposed at a position corresponding to the trailing end of the original glass plate in its forward movement for original scanning. The apparatus is designed to eliminate the need of providing an independent light source for blank exposure thereby simplifying the arrangement for blank exposure to be performed with respect to the photoreceptor and saving the manufacturing cost for the apparatus.

    摘要翻译： 一种具有由光源构成的主体的图像形成装置，感光体，用于对感光体的表面进行静电充电的充电装置，向感光体的表面供给调色剂颗粒的显影装置，用于转印调色剂图像的转印充电器 形成在感光体的表面上的复印纸，以及用于同时向所述充电装置和转印充电器两者施加高电压触发的高电压源。 该设备被设计成当原始玻璃板相对于主体移动时执行原始扫描，其特征在于包含反射单元，用于反射来自光源的光，以在充电装置之间的区域照射感光体的表面 和显影装置，反射单元在其原始扫描的向前运动中设置在与原始玻璃板的后端相对应的位置。 该设备被设计成不需要提供用于空白曝光的独立光源，从而简化了相对于感光体执行的空白曝光的布置，并节省了该设备的制造成本。

    Electrostatographic apparatus
    55.
    发明授权
    Electrostatographic apparatus 失效
    静电仪器

    公开(公告)号：US4914456A

    公开(公告)日：1990-04-03

    申请号：US260999

    申请日：1988-10-21

    申请人： Yuzo Kawano ,  Katsumi Ogawa ,  Tatsuya Tokoshima ,  Hiroshi Fujiwara

    发明人： Yuzo Kawano ,  Katsumi Ogawa ,  Tatsuya Tokoshima ,  Hiroshi Fujiwara

    IPC分类号： G03G15/04 ,  G03G21/08

    CPC分类号： G03G21/08 ,  G03G15/04072 ,  G03G15/043

    摘要： The present invention provides an electrostatographic apparatus having a control circuit (35) which controls an optical unit (5) to scan a photoconductor (1) during a predetermined time period with laser beam lit irrespective of recording signals after stoppage of power supply from a power source (34) to a charger (2) and a developer (7), thereby lowering potential on a surface of the photoconductor (1) after the stoppage of power supply.

    摘要翻译： 本发明提供了一种静电摄影装置，其具有控制电路（35），控制电路（35）在预定时间段内控制光学单元（5），在预定的时间段内激光束照射，而不管记录信号如何，在电源从功率停止之后 源极（34）到充电器（2）和显影剂（7），从而在电源停止之后降低感光体（1）的表面上的电位。

    Electrophotographic apparatus and method for preventing the lowering of a charging voltage at a photoreceptor
    56.
    发明授权
    Electrophotographic apparatus and method for preventing the lowering of a charging voltage at a photoreceptor 失效
    用于防止感光体上的充电电压降低的电子照相设备和方法

    公开(公告)号：US4785324A

    公开(公告)日：1988-11-15

    申请号：US25588

    申请日：1987-03-13

    申请人： Mutsuki Yamazaki ,  Eiichi Kaga

    发明人： Mutsuki Yamazaki ,  Eiichi Kaga

    IPC分类号： G03G21/08 ,  G03G15/00

    CPC分类号： G03G21/08

    摘要： A photoreceptor of amorphous silicon is provided on the surface of a cylindrical drum. A charger, exposing unit, developing unit, transfer charger, separation charger, discharger and cleaning blade are located, in that order, around the cylindrical drum. A light shielding plate is located close to that surface of the discharger where the first-mentioned charger is positioned. The surface of the photoreceptor is charged, while the cylindrical drum is rotated, and then exposed to light to form an electrostatic latent image on that surface. A toner is supplied from the developing unit to the surface of the photoreceptor to develop the latent image into a visual image. The visual image is transferred by the transfer charger to a copying sheet, and the copying sheet is separated by the separation charger off the photoreceptor. Thereafter, the image transfer area of the photoreceptor is discharged by light from a discharging lamp in the discharger and the toner remaining on the surface of the phtotreceptor is removed by a cleaning blade.

    摘要翻译： 无定形硅的感光体设置在圆柱形鼓的表面上。 按照该顺序，将充电器，曝光单元，显影单元，转印充电器，分离充电器，放电器和清洁刮片位于圆筒形滚筒周围。 遮光板靠近放电器的位于第一个充电器所在的表面。 对感光体的表面进行充电，同时使圆柱形鼓旋转，然后暴露于光以在该表面上形成静电潜像。 将调色剂从显影单元供应到感光体的表面，以将潜像显影成视觉图像。 通过转印充电器将视觉图像转印到复印纸上，并将复印纸由分离充电器分离出感光体。 此后，感光体的图像转印区域通过来自放电器中的放电灯的光而被放电，并且通过清洁刮刀去除留在感受器表面上的调色剂。

    Compact cleaning system for electrophotographic copying apparatus utilizing electrostatically active belt
    58.
    发明授权
    Compact cleaning system for electrophotographic copying apparatus utilizing electrostatically active belt 失效
    用于静电复印设备的小型清洁系统

    公开(公告)号：US4650311A

    公开(公告)日：1987-03-17

    申请号：US663358

    申请日：1984-10-22

    申请人： Edward F. Mayer

    发明人： Edward F. Mayer

    IPC分类号： G03G21/00 ,  G03G21/08

    CPC分类号： G03G21/0041 ,  G03G21/0047 ,  G03G21/08 ,  G03G2221/0005

    摘要： A cleaning system for an electrophotographic copying apparatus utilizes an electrostatically active belt which is movable relative to the moving surface of the photoconductive drum. As the electrostatic belt moves past the surface, the electrically charged toner is picked up by the belt and carried away from the drum. At a position remote from the drum, the toner is scraped from the belt, preferably to be reused in later cycles of the system. Preferably, the belt is translucent, and a flourescent lamp is mounted behind the belt to discharge the surface of the drum of the remaining latent image as the toner is removed. Typically, the moving belt incorporates an electrostatic grid having alternating charged portions. These charged interleaved portions of the belt attract the electrically charged toner and hold it to the belt as the toner is moved away from the surface of the drum.

    摘要翻译： 一种用于电子照相复印装置的清洁系统利用可相对于感光鼓的移动表面移动的静电活动带。 当静电带移动通过表面时，带电的调色剂被带拾取并从鼓上携带。 在远离鼓的位置，调色剂从带上刮下，优选在系统的后续循环中重复使用。 优选地，带是半透明的，并且当调色剂被去除时，荧光灯安装在带的后面以排出剩余潜像的滚筒的表面。 通常，移动带包括具有交替充电部分的静电栅格。 当调色剂从鼓的表面移开时，带的带电交错部分吸引带电的调色剂并将其保持在带上。