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    • 11. 发明授权
    • Color image forming apparatus with intermediate transfer
    • 具有中间转印的彩色图像形成装置
    • US5729809A
    • 1998-03-17
    • US659366
    • 1996-06-06
    • Satoshi HanedaHisayoshi NagaseHiroyuki TokimatsuShuta HamadaToshihide Miura
    • Satoshi HanedaHisayoshi NagaseHiroyuki TokimatsuShuta HamadaToshihide Miura
    • G03G15/01G03G15/00
    • G03G15/0152G03G15/0168G03G2215/0174G03G2215/0497
    • A color image forming apparatus includes a drum type image forming body; four charging devices for charging the image forming body; four exposure devices fixed on the main body for imagewise exposing the charged image and forming body to form a latent image; four developing devices each for developing the latent image to form a different colored toner image. After operations by the charging devices, the exposure devices and the developing devices are repeated to superimpose the different colored toner images on the image forming body, the superimposed colored toner images are transferred by a transfer device including an intermediate transferring member and a transfer member in contact with the intermediate transferring member onto a recording material at one time. Two developing devices are disposed at left and right positions, respectively, with respect to a vertical line passing through a center of the image forming body, and another two developing devices are disposed at upper and lower positions, respectively, with respect to a horizontal line passing through the center of the image forming body.
    • 彩色图像形成装置包括:鼓型图像形成体; 四个用于对图像形成体进行充电的充电装置; 固定在主体上的四个曝光装置用于对带电图像和成形体成像曝光以形成潜像; 四个显影装置各自用于显影潜像以形成不同颜色的调色剂图像。 在通过充电装置操作之后,重复曝光装置和显影装置以将不同的着色调色剂图像叠加在图像形成体上,叠加的彩色调色剂图像由包括中间转印部件和转印部件的转印装置转印 一次与中间转印部件接触记录材料。 两个显影装置相对于穿过图像形成体的中心的垂直线分别设置在左右位置处,另外两个显影装置分别相对于水平线设置在上下位置 穿过图像形成体的中心。
    • 14. 发明授权
    • Color image forming apparatus
    • 彩色图像形成装置
    • US5758243A
    • 1998-05-26
    • US798485
    • 1997-02-10
    • Satoshi HanedaHisayoshi NagaseHiroyuki TokimatsuMasahiro OnoderaShuta HamadaToshihide Miura
    • Satoshi HanedaHisayoshi NagaseHiroyuki TokimatsuMasahiro OnoderaShuta HamadaToshihide Miura
    • G03G15/02G03G15/00G03G15/01G03G15/08G03G15/16G03G21/00G03G21/16
    • G03G15/0152G03G15/0163G03G2215/0174G03G2215/0497
    • An image forming apparatus includes a rotary image forming body; a charger provided around the image forming body for charging the image forming body; a plurality of imagewise exposure devices for imagewise exposing the charged image forming body to form respective latent images thereon; and a plurality of developing devices for developing the respective latent images formed on the image forming body to form respective toner images. A plurality of different color toner images thus formed by the respective chargers, the respective imagewise exposure devices and the respective developing devices are superimposed on the image forming body, thereby a color toner image is formed. The image forming apparatus further includes a transfer device for transferring the color toner image on the image forming body onto a transfer member; a cleaning device for removing a residual toner on the image forming body; a support member for supporting the plurality of exposure devices. The support member and plurality of exposure devices supported on the support member are provided inside the image forming body kept in a static status. The image forming apparatus is further provided with a gap keeping member for holding the chargers, the developing devices, the transfer device or the cleaning device with positional reference to the support member so as to keep a gap with the image forming body constant.
    • 图像形成装置包括旋转图像形成体; 设置在图像形成体周围的用于对图像形成体进行充电的充电器; 多个图像曝光装置,用于对所充电的图像形成体进行成像曝光以在其上形成各自的潜像; 以及用于显影形成在图像形成主体上的各个潜像以形成相应调色剂图像的多个显影装置。 由各个充电器,各个成像曝光装置和各个显影装置形成的多个不同颜色的调色剂图像叠加在图像形成体上,由此形成彩色调色剂图像。 图像形成装置还包括用于将图像形成体上的彩色调色剂图像转印到转印部件上的转印装置; 用于去除图像形成体上的残留调色剂的清洁装置; 用于支撑多个曝光装置的支撑构件。 支撑构件和支撑在支撑构件上的多个曝光装置设置在保持静止状态的图像形成体内。 图像形成装置还设置有用于保持充电器,显影装置,转印装置或清洁装置的间隙保持构件,其位置参考支撑构件,以保持与图像形成体的间隙恒定。
    • 15. 发明授权
    • Color image forming apparatus with an organic photoconductor
    • 具有有机感光体的彩色图像形成装置
    • US6041204A
    • 2000-03-21
    • US223701
    • 1998-12-30
    • Satoshi HanedaHiroyuki TokimatsuMasahiro OnoderaShuta Hamada
    • Satoshi HanedaHiroyuki TokimatsuMasahiro OnoderaShuta Hamada
    • G03G15/01G03G15/16G03G21/00G03G15/00
    • G03G15/0152G03G15/0168G03G15/169G03G21/0005G03G2215/017G03G2215/0187
    • In a color image forming apparatus provided with a photoreceptor having a rotatable peripheral surface; plural sets of a charging device, an imagewise exposure device, and a developing device, each set of the plural sets is provided separately from other sets around the peripheral surface of the photoreceptor so that plural color component images are formed one after another by the plural sets and are superimposed so as to form a color image on the peripheral surface during a single rotation of the peripheral surface. The developing device has a casing and the imagewise exposure device and the developing device of each set are arranged such that a portion on the peripheral surface locating at an imagewise exposing position moves into the casing of the developing device before the electric potential V1 of the portion is lowered to the half of V1 (V1/2). A pre-transfer exposing device/transfer device and pre-cleaning exposing device/cleaning device all operate such that the potential on the photoreceptor moves into the casings of the transfer device or cleaning device before the potential is lowered to half its value.
    • 在具有可转动周边表面的感光体的彩色图像形成装置中, 多组充电装置,成像曝光装置以及显影装置,与感光体的周面周围的其他组分开设置多个组,使得多个分色图像依次形成为多个 并且叠加在外围表面的单次旋转期间在外围表面上形成彩色图像。 显影装置具有壳体,并且每个组的成像曝光装置和显影装置被布置成使得位于成像曝光位置的外周表面上的部分在该部分的电位V1之前移动到显影装置的壳体中 下降到V1的一半(V1 / 2)。 预转印曝光装置/转印装置和预清洁曝光装置/清洁装置全部操作,使得感光体上的电位在电位降低到其一半值之前移动到转印装置或清洁装置的壳体中。
    • 16. 发明授权
    • Color image forming apparatus having developing devices located within a
central angle of 180.degree.
    • 具有位于180度的中心角的显影装置的彩色图​​像形成装置
    • US6134403A
    • 2000-10-17
    • US949011
    • 1997-10-10
    • Satoshi HanedaHisayoshi NagaseToshihide MiuraHiroyuki Tokimatsu
    • Satoshi HanedaHisayoshi NagaseToshihide MiuraHiroyuki Tokimatsu
    • G03G15/01G03G15/00
    • G03G15/0152G03G15/0168G03G2215/017G03G2215/0497
    • A color image forming apparatus includes a photoreceptor drum having an outer diameter of 50 mm to 100 mm and a rotational axis, four charging devices for charging the photoreceptor drum, and four exposure devices, provided inside the photoreceptor drum, for imagewise exposing an inner surface of the photoreceptor drum to form respective four latent images. Four developing devices are provided outside the photoreceptor drum at an upper section thereof for developing respective ones of the four latent images using respective different one-component type color developers to form four different color toner images in a superimposed manner on an outer surface of the photoreceptor drum during one rotation thereof the photoreceptor drum. Each developing device has a developing roller for conveying the respective one-component type developers to the outer surface of the photoreceptor drum, and the four developing devices are arranged along an outer circumference of the photoreceptor drum in a manner such that a rotational axis of each of the developing rollers is located within a central angle of 180.degree.. In addition, a transfer device is provided at a lower section of the photoreceptor drum for transferring the superimposed four different color toner images from the outer surface of the photoreceptor drum to a sheet. The transfer device includes an inlet sheet passage and an outlet sheet passage, and the outlet sheet passage is arranged either coplanar with the inlet sheet passage or inclined with respect to the inlet sheet passage at an angle between 10.degree. above the inlet sheet passage and 30.degree. beneath the inlet sheet passage.
    • 一种彩色图像形成装置,包括外径为50mm至100mm的感光鼓和旋转轴,设置有感光鼓的四个充电装置和设置在感光鼓内部的四个曝光装置,用于使内表面 的感光鼓以形成相应的四个潜像。 在感光鼓的上部设置四个显影装置,用于使用各自不同的单组分型彩色显影剂显影四个潜像中的相应图像,以叠加的方式在感光体的外表面上形成四种不同的彩色调色剂图像 在感光鼓的一个旋转期间滚筒。 每个显影装置具有用于将相应的单组分型显影剂输送到感光鼓的外表面的显影辊,并且四个显影装置沿着感光鼓的外周排列成使得每个显影装置的旋转轴线 的显影辊位于180度的中心角。 此外,转印装置设置在感光鼓的下部,用于将叠加的四种不同颜色的调色剂图像从感光鼓的外表面转印到片材上。 转印装置包括入口片通道和出口片通道,出口片通道与入口片通道共面布置或相对于入口片通道倾斜,与入口片通道相隔10°, DEG入口板通道下方。
    • 17. 发明授权
    • Color image forming apparatus
    • 彩色图像形成装置
    • US5697025A
    • 1997-12-09
    • US601947
    • 1996-02-15
    • Hiroyuki TokimatsuSatoshi Haneda
    • Hiroyuki TokimatsuSatoshi Haneda
    • G03G15/00G03G15/01
    • G03G15/0152G03G15/0163G03G2215/0174G03G2215/0497
    • A color image forming apparatus includes a plurality of chargers, imagewise exposure devices and developing devices. During a single rotation of an image forming body, a sequence of charging, exposing and developing is repeated to superimpose toner images, and then the toner images are transferred onto a recording medium. Each exposing position on a circumferential surface of the image forming body is arranged downstream of a developer casing and upstream of a line connecting the centers of the image forming body and developing sleeve. The following expression is satisfied: L.sub.1 >L.sub.2 >vT+w where L.sub.1 represents a circumferential distance along the periphery of the image forming body between the line connecting the rotational center of the image forming body and the tip end of the developing casing and a line connecting the rotational center of the image forming body and the rotational center of the developing sleeve; L.sub.2 represents a circumferential distance along the periphery of the image forming body between the exposing position and the line connecting the rotational center of the image forming body and the rotational center of the developing sleeve; w represents a width of a developing area upstream of a position, where a gap between a peripheral surface of the image forming body and a peripheral surface of the developing sleeve is minimum; T represents a decay time of a potential on the image forming body after imagewise exposing is conducted; and v represents a circumferential speed of the image forming body.
    • 彩色图像形成装置包括多个充电器,成像曝光装置和显影装置。 在图像形成体的单次旋转期间,重复充电,曝光和显影的顺序以叠加调色剂图像,然后将调色剂图像转印到记录介质上。 图像形成体的圆周表面上的每个曝光位置布置在显影剂壳体的下游,并且连接图像形成体和显影套筒的中心的线的上游。 满足以下表达式:L1> L2> vT + w其中L 1表示在连接图像形成体的旋转中心的线与显影盒的末端之间的图像形成体的周边的周向距离和连接 图像形成体的旋转中心和显影套筒的旋转中心; L2表示在连接图像形成体的旋转中心和显影套筒的旋转中心的曝光位置和线之间沿图像形成体的周边的周向距离; w表示在图像形成体的外周表面和显影套筒的外周表面之间的间隙最小的位置上游的显影区域的宽度; T表示图像曝光后的图像形成体上的电位的衰减时间; v表示图像形成体的圆周速度。
    • 19. 发明授权
    • Fixing apparatus
    • 固定装置
    • US06282399B1
    • 2001-08-28
    • US09568117
    • 2000-05-10
    • Hiroyuki TokimatsuSatoshi Haneda
    • Hiroyuki TokimatsuSatoshi Haneda
    • G03G1520
    • G03G15/2053
    • A fixing apparatus that fixes, on a transfer material, toner images on the transfer material through heating and pressing, wherein, a ray-radiating member that radiates rays is provided, and a roll-shaped rotary member for applying heat is formed by providing a cylindrical ray-transmitting base member which can transmit the rays and a cylindrical ray-transmitting elastic layer or a ray-transmitting heat insulating layer which can transmit the rays, and by providing, on the outer side of the ray-transmitting elastic layer or the ray-transmitting heat insulating layer, a ray absorbing layer that absorbs the rays stated above. The inequality of T1
    • 一种定影装置,其通过加热和压制在转印材料上固定转印材料上的调色剂图像,其中,设置辐射射线的射线辐射构件,并且通过提供一种用于加热的辊状旋转构件 能够透射射线的圆筒形射线透射基底部件和可透射射线的圆柱形射线透射弹性层或射线透过隔热层,并且在射线透过弹性层或 射线吸收层,其吸收上述光线。 当T1(°)表示射线透射基底层的平均温度时,T1
    • 20. 发明授权
    • Apparatus for fixing toner images on a transfer material
    • 用于将调色剂图像定影在转印材料上的装置
    • US06308039B1
    • 2001-10-23
    • US09547929
    • 2000-04-11
    • Satoshi HanedaKunio ShigetaHiroyuki TokimatsuToshihide MiuraMasahiro Onodera
    • Satoshi HanedaKunio ShigetaHiroyuki TokimatsuToshihide MiuraMasahiro Onodera
    • G03G1520
    • G03G15/2053
    • In a fixing apparatus for fixing toner images on a transfer material upon which toner images have been placed by applying heat to the transfer material, the fixing apparatus includes: a roll-shaped rotary member for applying heat to the transfer material upon which toner images have been placed, the roll-shaped rotary member including a cylindrical ray-transmitting base member, and a ray absorbing layer for generating heat onto the transfer material upon which toner images have been placed so as to fix the toner on the transfer material, the ray absorbing layer, provided on an outer side of the ray-transmitting base member; a ray irradiating device for irradiating ray to the ray absorbing layer, the ray irradiating device provided inside the cylindrical ray-transmitting base member; bearing member for rotatably supporting the roll-shaped rotary member; flange members provided on both ends of the ray-transmitting base member; and an elastic covering member provided between the flange member and the roll-shaped rotary member for joining each member.
    • 在用于通过向转印材料施加热而将调色剂图像定影在转印材料上的调色剂图像定影装置中,定影装置包括:用于向转印材料施加热量的辊状旋转部件,调色剂图像具有 所述辊状旋转构件包括圆柱形射线透射基底构件和用于在转印材料上产生热量的光线吸收层,在所述转印材料上已经放置调色剂图像以将调色剂固定在转印材料上,所述光线 吸收层,设置在所述射线透过性基材的外侧; 用于将光线照射到所述光线吸收层的射线照射装置,设置在所述圆筒形射线透射性基底内部的所述射线照射装置; 用于可旋转地支撑所述辊状旋转构件的支承构件; 设置在射线透射性基材的两端的凸缘部件; 以及设置在所述凸缘构件和所述辊状旋转构件之间用于接合每个构件的弹性覆盖构件。