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1. 发明授权

US5054419A Image forming apparatus 失效
标题翻译：图像形成装置
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
IPC分类号： G03G15/08 , G03G15/09
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.

2. 发明授权

US4814818A Developer layer forming apparatus 失效
标题翻译：显影剂层形成装置
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
IPC分类号： G03G15/08 , G03G15/09
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。

3. 发明授权

US4822711A Electrostatic image-developing process using a magnetic roller 失效
标题翻译：使用磁辊的静电影像显影过程
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
IPC分类号： G03G13/09 , G03G15/09 , G03G15/08
CPC分类号： G03G13/09 , G03G15/09
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。

4. 发明授权

US5024181A Method for the development of an electrostatic latent image 失效
标题翻译：静电潜像的发展方法
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
IPC分类号： G03G13/09 , G03G15/09
CPC分类号： G03G13/09 , G03G15/09
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

5. 发明授权

US4908291A Method of regulating the thickness of a developer layer containing magnetic carrier and toner particles 失效
标题翻译：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。

6. 发明授权

US4669864A Image forming apparatus 失效
标题翻译：图像形成装置
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
IPC分类号： G03G15/01 , G03G21/00 , G03G15/00
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。

7. 发明授权

US4585326A Developing electrophotographic image using magnets and magnetic material 失效
标题翻译：使用磁体和磁性材料显影电子照相图像
公开(公告)号：US4585326A
公开(公告)日：1986-04-29
申请号：US598869
申请日：1984-04-11
申请人： Yukio Okamoto , Kiyoshi Kimura , Tadashi Miwa , Noriyoshi Tarumi , Masakazu Fukuchi , Kunio Ito , Hiroshi Fuma
发明人： Yukio Okamoto , Kiyoshi Kimura , Tadashi Miwa , Noriyoshi Tarumi , Masakazu Fukuchi , Kunio Ito , Hiroshi Fuma
IPC分类号： G03G5/10 , G03G5/14 , G03G15/09 , G03G15/08
CPC分类号： G03G5/10 , G03G15/0914
摘要： A recording apparatus wherein an electrostatic latent image on an electrostatic latent image retaining member is developed into a visible image by means of a developer transported on the surface of a developer carrier having at least a magnet movably provided therein. At least a part of the electrostatic latent image retaining member is constituted by a magnetic material.
摘要翻译：一种记录装置，其中静电潜像保持部件上的静电潜像通过在至少具有可移动地设置在其中的磁体的显影剂载体的表面上运送的显影剂显影成可见图像。静电潜像保持部件的至少一部分由磁性材料构成。

8. 发明授权

US5153653A Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US5153653A
公开(公告)日：1992-10-06
申请号：US631392
申请日：1990-12-20
申请人： Hiroshi Fuma , Mitsuo Motohashi , Yozo Fujii , Akihiko Kakita , Takashi Murahashi , Kazuo Yasuda , Yoshio Yamazaki , Masashi Sugano
发明人： Hiroshi Fuma , Mitsuo Motohashi , Yozo Fujii , Akihiko Kakita , Takashi Murahashi , Kazuo Yasuda , Yoshio Yamazaki , Masashi Sugano
IPC分类号： G03G15/16
CPC分类号： G03G15/1655 , G03G15/1695
摘要： The invention provides an apparatus for transferring a toner image from a photoreceptor to a recording sheet. The apparatus includes a plurality of rollers and a belt stretched around the plurality of rollers. The belt is adapted to come in contact with the photoreceptor at a transfer area so that a recording sheet is conveyed on the belt and brought in contact with the image surface at the transfer area and that the toner image is transferred onto the recording sheet. The apparatus further includes a conductive member, disposed so as to come in contact with the belt on one of the plurality of rollers which is positioned upstream in conveying direction than the transfer area, for charging the recording sheet conveyed on the belt.
摘要翻译：本发明提供一种用于将调色剂图像从感光体转印到记录片材的装置。该装置包括多个辊和围绕多个辊拉伸的带。带适于在转印区域与感光体接触，使得记录纸在带上传送并且在转印区域与图像表面接触并且调色剂图像被转印到记录纸上。所述装置还包括导电构件，所述导电构件设置成在所述多个辊中的一个辊上与所述带接触，所述多个辊中的一个位于比所述传送区域沿传送方向上游的位置，用于对在所述传送带上传送的记录纸进行充电。

9. 发明授权

US07187900B2 Image forming apparatus having a fixing device for fixing toner image formed on a sheet by an endless fixing belt engaged with a fixing roller 有权
标题翻译：图像形成装置具有用于通过与定影辊接合的环形定影带来定影在片材上形成的调色剂图像的定影装置
公开(公告)号：US07187900B2
公开(公告)日：2007-03-06
申请号：US10891887
申请日：2004-07-15
申请人： Hiroshi Fuma , Yoshio Yamazaki , Junichi Hamada , Hisayoshi Nagase , Masahiro Onodera
发明人： Hiroshi Fuma , Yoshio Yamazaki , Junichi Hamada , Hisayoshi Nagase , Masahiro Onodera
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G2215/00805 , G03G2215/0081
摘要： An image forming apparatus comprising a fixing roller, an endless fixing belt engaged at least with the fixing roller, and a pressing roller opposite to the fixing roller with the endless fixing belt between them; wherein the image forming apparatus is equipped with a pressure changing member for changing the mean pressure on a second pressing area against which the pressing roller pressed the fixing roller via the fixing belt in the pressure area formed by the pressing roller.
摘要翻译：一种图像形成装置，包括定影辊，至少与定影辊接合的环形定影带以及与定影辊相对的加压辊，环形固定带在它们之间; 其特征在于，所述图像形成装置配备有用于在由所述按压辊形成的压力区域中经由所述定影带按压所述定影辊的第二按压区域上改变平均压力的压力改变构件。

10. 发明授权

US07187894B2 Image forming apparatus having a heat belt 有权
标题翻译：具有加热带的图像形成装置
公开(公告)号：US07187894B2
公开(公告)日：2007-03-06
申请号：US10992006
申请日：2004-11-17
申请人： Hiroshi Fuma
发明人： Hiroshi Fuma
IPC分类号： G03G15/20
CPC分类号： G03G15/2017 , G03G2215/2016 , G03G2215/2019
摘要： There is provided an image forming apparatus having an image forming section for forming an unfixed image on a transfer medium and a fixing device for fixing the unfixed image by sandwiching and heating the transfer medium that holds the unfixed image, wherein, the fixing device includes a fixing roller that contacts with the unfixed image, a press roller that contacts with the fixing roller, a heat belt that contacts with the fixing roller and heats the fixing roller, a plurality of support rollers for supporting the heat belt in such a manner that the heat belt is wound around the support rollers, a heat source for heating the heat belt, and a press member for pressing the heat belt against the fixing roller in a portion of the contact area where the fixing roller and the heat belt contact with each other.
摘要翻译：提供了一种图像形成装置，其具有用于在转印介质上形成未定影图像的图像形成部分和用于通过夹持和加热保持未定影图像的转印介质来固定未定影图像的定影装置，其中定影装置包括与未定影图像接触的定影辊，与定影辊接触的加压辊，与定影辊接触并加热定影辊的加热带，多个用于支撑加热带的支撑辊，加热带卷绕在支撑辊上，用于加热加热带的热源和用于在定影辊和热带彼此接触的接触区域的一部分中将加热带压靠在定影辊上的加压构件。

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