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公开(公告)号：US4822711A
公开(公告)日：1989-04-18
申请号：US119155
申请日：1987-11-10
申请人： Masahiko Itaya , Hiroshi Fuma , Toshiro Fujimori
发明人： Masahiko Itaya , Hiroshi Fuma , Toshiro Fujimori
摘要： An improved electrostatic image-developing process is disclosed, wherein said process comprises,a step of supplying a developer comprising carrier and toner to a developer transporting means which includes a cylindrical development sleeve (3) for carrying by rotation said developer (D) to the close proximity of an electrostatic latent image formed on an image-carrying member (1) disposed opposite thereto, the outer diameter of said cylindrical development sleeve (3) being 15 mm to 30 mm, and a magnetic roller (4) provided inside said cylindrical development sleeve, said roller having not less than ten magnetic poles, a step of forming a thin layer of said developer on the surface of said developer transporting means (3) so that the maximum thickness of the developer layer is smaller than the minimum distance (H) between the surface of said developer transporting means (3) and the surface of said electrostatic image-carrying member (1),a step of carrying said developer to a close proximity of the electrostatic image, anda step of forming a toner image on said electrostatic latent image-carrying member.
摘要翻译： 公开了一种改进的静电图像显影方法，其中所述方法包括将包含载体和调色剂的显影剂供应到显影剂传送装置的步骤，显影剂传送装置包括用于通过使所述显影剂（D）旋转而携带的圆柱形显影套筒（3） 靠近形成在与其相对设置的图像承载构件（1）上的静电潜像，所述圆柱形显影套筒（3）的外径为15mm至30mm，以及设置在所述圆柱形内部的磁性辊（4） 显影套筒，所述辊子具有不少于10个磁极，在所述显影剂传送装置（3）的表面上形成所述显影剂薄层的步骤，使得显影剂层的最大厚度小于最小距离（ 在所述显影剂传送装置（3）的表面和所述静电图像承载构件（1）的表面之间的H），将所述显影剂携带到靠近的位置 静电图像的真实性，以及在所述静电潜像承载部件上形成调色剂图像的步骤。
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公开(公告)号：US5054419A
公开(公告)日：1991-10-08
申请号：US604321
申请日：1990-10-25
申请人： Masahiko Itaya , Yukio Okamoto , Kazuo Yasuda , Masayuki Kamegamori , Kunihisa Yoshino , Shizuo Morita , Masakazu Fukuchi , Akihiko Tamura , Hiroshi Fuma , Toshiro Fujimori , Tsugio Sugizaki
发明人： Masahiko Itaya , Yukio Okamoto , Kazuo Yasuda , Masayuki Kamegamori , Kunihisa Yoshino , Shizuo Morita , Masakazu Fukuchi , Akihiko Tamura , Hiroshi Fuma , Toshiro Fujimori , Tsugio Sugizaki
CPC分类号： G03G15/0812 , G03G15/09
摘要： A developing apparatus for supplying a developer to a photoreceptor so that an electrostatic latent image on the photoreceptor is developed with the developer. The developing apparatus comprises a developer conveyer, having a rigid surface, for conveying the developer to a developing zone; a developer layer-thickness regulator, shaped like a bar and having a rigid surface portion of the curvature radius between 0.5 mm and 15 mm, for regulating the thickness of the developer to be conveyed to the developing zone; and a supporter for supporting the developer layer-thickness regulator.
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公开(公告)号：US4814818A
公开(公告)日：1989-03-21
申请号：US103847
申请日：1987-10-01
申请人： Hiroshi Fuma , Masahiko Itaya , Toshiro Fujimori
发明人： Hiroshi Fuma , Masahiko Itaya , Toshiro Fujimori
CPC分类号： G03G15/09
摘要： A developer layer forming apparatus having a developer carrying member having a magnet therein and a plate-shaped elastic member having a rubber surface thereon, wherein the rubber surface is in pressure contact with the developer carrying member and one end of the rubber surface projects from the pressure contact point to the upstream of the developer carrying member in the revolving direction. The plate-shaped elastic member is constructed by superposing a metal or a synthetic resin and a rubber material.
摘要翻译： 具有其中具有磁体的显影剂承载构件和其上具有橡胶表面的板状弹性构件的显影剂层形成装置，其中橡胶表面与显影剂承载构件压力接触，并且橡胶表面的一端从 压力接触点在显影剂承载构件的上游沿旋转方向。 该板状弹性部件通过叠置金属或合成树脂和橡胶材料构成。
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公开(公告)号：US5024181A
公开(公告)日：1991-06-18
申请号：US520117
申请日：1990-05-07
申请人： Hisashi Shoji , Akihiko Tamura , Masahiko Itaya , Hiroshi Fuma , Shinobu Soma
发明人： Hisashi Shoji , Akihiko Tamura , Masahiko Itaya , Hiroshi Fuma , Shinobu Soma
摘要： A method of forming a multicolor toner image on an electrostatic latent image carrying member wherein developer containing a carrier and toner is transported to a developing region on a cylindrically shaped outer sleeve member of a developer transporting unit. Inside the sleeve there is provided at least one pair of magnets, the magnetic poles of which face the inner surface of the sleeve and are so arranged as to be rotatable, relative to each other, around the center axis of the sleeve. The amount of transported toner is regulated so that the amount of toner on the sleeve [mt], in mg/cm.sup.2, the peripheral speed of the image surface [V.sub.d ] and the peripheral speed of the sleeve member [V.sub.sl ] satisfy the following formulas:.vertline.V.sub.sl /V.sub.d .vertline..times.mt.gtoreq.0.4 mg/cm.sup.2.vertline.V.sub.sl /V.sub.3 .gtoreq.10
摘要翻译： 在静电潜像承载构件上形成多色调色剂图像的方法，其中含有载体和调色剂的显影剂被输送到显影剂传送单元的圆柱形外套筒构件上的显影区域。 在套筒内部设置有至少一对磁体，其磁极面对套筒的内表面，并且被布置为围绕套筒的中心轴线相对于彼此旋转。 调节运送调色剂的量，使得套筒上的调色剂数量（mg / cm2），图像面的圆周速度[Vd]和套筒构件的圆周速度[Vs1]满足下式 ：| Vsl / Vd|xmt> / = 0.4mg / cm2 | Vsl / V3> / = 10
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5.发明授权Method of regulating the thickness of a developer layer containing magnetic carrier and toner particles 失效调节包含磁性载体和调色剂颗粒的显影剂层的厚度的方法
公开(公告)号：US4908291A
公开(公告)日：1990-03-13
申请号：US273107
申请日：1988-11-16
申请人： Hiroshi Fuma , Akihiko Tamura , Masahiko Itaya , Hisashi Shoji , Shinobu Soma
发明人： Hiroshi Fuma , Akihiko Tamura , Masahiko Itaya , Hisashi Shoji , Shinobu Soma
IPC分类号： G03G15/09
CPC分类号： G03G15/09
摘要： The present invention provides a method of regulating the thickness of developer layer formed on a developer-transporting means by transporting the layer to a layer thickness-regulating means disposed so as to face with the developer transporting means, pressing the layer by the layer thickness-regulating means so that the layer thickness-regulating distance of the pressing portion between the layer thickness-regulating means and the developer-transporting means can be made substantially equal to the diameter of single developer particle, and allowing the layer to pass through the pressing portion while keeping the layer thickness-regulating distance substantially equal to the diameter of single developer particle.
摘要翻译： 本发明提供了一种调节显影剂输送装置形成的显影剂层的厚度的方法，该方法是将该层转移到与显影剂传送装置相对设置的层厚度调节装置， 使得层厚度调节装置和显影剂传送装置之间的按压部分的层厚度调节距离可以大致等于单个显影剂颗粒的直径，并且允许该层通过按压部分 同时保持层厚度调节距离基本上等于单个显影剂颗粒的直径。
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公开(公告)号：US4669864A
公开(公告)日：1987-06-02
申请号：US823174
申请日：1986-01-27
申请人： Hisashi Shoji , Satoshi Haneda , Seiichiro Hiratsuka , Hiroshi Fuma , Shinobu Soma , Masahiko Itaya , Akihiko Tamura , Kazushi Hayakawa
发明人： Hisashi Shoji , Satoshi Haneda , Seiichiro Hiratsuka , Hiroshi Fuma , Shinobu Soma , Masahiko Itaya , Akihiko Tamura , Kazushi Hayakawa
CPC分类号： G03G21/0005 , G03G15/0105
摘要： An image forming apparatus having a cleaning device arranged on the outer periphery of an image retainer, and bringing into and out of abutment against the image retainer, wherein the cleaning device comprises a first cleaning member and a second cleaning member arranged downstream of the first cleaning member in the moving direction of the surface of the image retainer. A cleaning operation of the second cleaning member against the image retainer is conducted according to a time at which the cleaning operation of the first cleaning member against the image retainer is conducted.
摘要翻译： 一种图像形成装置，具有布置在图像保持器的外周上并且与图像保持器抵接的清洁装置，其中清洁装置包括第一清洁构件和布置在第一清洁器的下游的第二清洁构件 构件在图像保持器的表面的移动方向上。 根据第一清洁构件对图像保持器的清洁操作的进行时间，进行针对图像保持器的第二清洁构件的清洁操作。
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7.发明授权公开(公告)号：US07715748B2
公开(公告)日：2010-05-11
申请号：US11541639
申请日：2006-10-03
申请人： Kyu-cheol Shin , Masahiko Itaya , Tsutomu Sasaki
发明人： Kyu-cheol Shin , Masahiko Itaya , Tsutomu Sasaki
IPC分类号： G03G21/00
CPC分类号： G03G15/0898
摘要： An electrophotographic image forming apparatus and a developing method thereof are provided. The electrophotographic image forming apparatus includes an image carrier body on which an electrostatic latent image is formed, a developing roller which faces the image carrier body and supplies toner to the electrostatic latent image formed on the image carrier body, and an anti-toner-dispersion element which faces an outer circumferential surface of the image carrier body between an exposing section where the electrostatic latent image is formed and a developing section where the electrostatic latent image is developed by the developing roller. A collection bias is applied to the anti-toner-dispersion element to collect dispersed toner from the developing roller.
摘要翻译： 提供了一种电照相成像设备及其显影方法。 电子照相图像形成装置包括其上形成有静电潜像的图像载体主体，面向图像载体主体的显影辊，并且向形成在载体主体上的静电潜像提供调色剂，以及抗调色剂分散体 元件，其在形成有静电潜像的曝光部分与静电潜像被显影辊显影的显影部分之间面对图像载体主体的外圆周表面。 将收集偏压施加到抗调色剂分散元件以从显影辊收集分散的调色剂。
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公开(公告)号：US20060222416A1
公开(公告)日：2006-10-05
申请号：US11297354
申请日：2005-12-09
申请人： Naonori Kurogawa , Masahiko Itaya , Kyu-Cheol Shin , Tsutomu Teraoka , Tsutomu Sasaki , Myung-Kook Ahn
发明人： Naonori Kurogawa , Masahiko Itaya , Kyu-Cheol Shin , Tsutomu Teraoka , Tsutomu Sasaki , Myung-Kook Ahn
IPC分类号： G03G15/09
CPC分类号： G03G15/0907
摘要： An electrophotographic image forming device is provided which includes an image holder on which an electrostatic latent image is formed. A magnetic roller has a magnetic brush including nonmagnetic toner and a magnetic carrier using a magnetic force. Donor rollers are provided which have toner layers that are received from the magnetic roller on an outer circumference of each of the donor rollers. The donor rollers are located opposite to the image holder to develop the toner onto the electrostatic latent image.
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9.发明授权
公开(公告)号：US5327208A
公开(公告)日：1994-07-05
申请号：US939547
申请日：1992-08-31
申请人： Shunji Matsuo , Shizuo Morita , Satoshi Haneda , Masakazu Fukuchi , Seiko Naganuma , Masahiko Itaya , Fumiaki Hiraike
发明人： Shunji Matsuo , Shizuo Morita , Satoshi Haneda , Masakazu Fukuchi , Seiko Naganuma , Masahiko Itaya , Fumiaki Hiraike
CPC分类号： G03G15/01 , G03G15/0896 , G03G21/1628 , G03G21/1807 , G03G21/1853 , G03G2221/1603 , G03G2221/1654 , G03G2221/1687 , G03G2221/18 , G03G2221/1853
摘要： A color image forming apparatus for forming a color image. An image retainer is provided for carrying the color image, and a charger charges a surface of the image retainer. A latent image former forms a latent image on the charged surface of the image retainer, and a multicolor developer develops the latent image. A black developer develops the latent image. A transfer sheet conveyer conveys a transfer sheet and transfers the developed latent image onto the transfer sheet. A cleaner cleans a residual developer on the surface of the image retainer. The image retainer, either one of the black developer or the multicolor developer, and the cleaner are formed as a detachable processing cartridge, and the rest of the black developer or the multicolor developer is detachable to the body of the color image forming apparatus.
摘要翻译： 一种用于形成彩色图像的彩色图像形成装置。 提供用于携带彩色图像的图像保持器，并且充电器对图像保持器的表面充电。 潜像显影剂在图像保持器的带电表面上形成潜像，并且多色显影剂显影潜像。 一个黑色的开发者开发潜像。 转印纸输送机输送转印纸并将显影的潜像转印到转印纸上。 清洁剂清洁图像保持器表面上的残留显影剂。 图像保持器，黑色显影剂或多色显影剂中的任一种和清洁剂形成为可拆卸处理盒，并且黑色显影剂或多色显影剂的其余部分可拆卸到彩色图像形成装置的主体。
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公开(公告)号：US5184146A
公开(公告)日：1993-02-02
申请号：US558512
申请日：1990-07-27
CPC分类号： H04N1/508 , H04N1/6019
摘要： A color image forming method and apparatus for sequentially forming toner images of a plurality of colors on a photosensitive body so as to form a color toner image. The method and apparatus maintain a substantially constant developing bias so that a first exposure potential of a photosensitive surface and a second exposure potential of the photosensitive surface are substantially equal to one another.
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