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1. 发明授权

US08983323B2 Color image forming apparatus with a line velocity difference set between image carriers 有权
标题翻译：在图像载体之间设置线速度差的彩色图像形成装置
公开(公告)号：US08983323B2
公开(公告)日：2015-03-17
申请号：US13749897
申请日：2013-01-25
申请人： Takeshi Yamashita , Yuji Nagatomo , Naoki Nakatake , Yasuhiro Fujiwara , Takafumi Miyazaki , Yasuhide Matsuno , Takahiro Sanada , Rumi Miyazaki , Kyoko Abe , Tomoya Adachi , Yoshie Iwakura
发明人： Takeshi Yamashita , Yuji Nagatomo , Naoki Nakatake , Yasuhiro Fujiwara , Takafumi Miyazaki , Yasuhide Matsuno , Takahiro Sanada , Rumi Miyazaki , Kyoko Abe , Tomoya Adachi , Yoshie Iwakura
IPC分类号： G03G15/16 , G03G15/14 , G03G15/01 , G03G15/00
CPC分类号： G03G15/14 , G03G15/0189 , G03G15/1615 , G03G15/5008
摘要： Provided is a color image forming apparatus that includes: image carriers that form toner image of black and other colors; an intermediate transfer body that makes contact with the image carriers; and transfer units that transfer the toner images on the image carriers to the intermediate transfer body. A line velocity difference is set between the image carriers and the intermediate transfer body. An accelerated cohesion degree of toner is equal to or larger than 54%. A linear velocity difference X1 between the image carrier for black and the intermediate transfer body satisfies a relation of 0
摘要翻译：提供一种彩色图像形成装置，其包括：形成黑色和其他颜色的调色剂图像的图像载体; 与图像载体接触的中间转印体; 以及将图像载体上的调色剂图像转印到中间转印体的转印单元。在图像载体和中间转印体之间设置线速度差。调色剂的加速内聚力等于或大于54％。黑色图像载体和中间转印体之间的线速度差X1满足0

2. 发明申请

US20140153955A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20140153955A1
公开(公告)日：2014-06-05
申请号：US14086483
申请日：2013-11-21
申请人： Takeshi YAMASHITA , Yoshie Iwakura , Yasuhiro Fujiwara
发明人： Takeshi YAMASHITA , Yoshie Iwakura , Yasuhiro Fujiwara
IPC分类号： G03G15/16
CPC分类号： G03G15/0189 , G03G15/1605 , G03G15/168
摘要： An image forming apparatus includes an image bearing member to bear a latent image on a surface thereof, a developing device to develop the latent image with toner, an intermediate transfer member, a secondary transfer member, a cleaning device, and a main body. The cleaning device cleans the secondary transfer member for a predetermined time period T1 during a startup operation after printing is completed normally before subsequent printing. The main body houses the image bearing member, the developing device, the intermediate transfer member, the secondary transfer member, and the cleaning device. At least one of the image bearing member and the developing device constitutes a process cartridge detachably attachable relative to the main body, and in a case in which the process cartridge is installed in the main body, the cleaning device cleans the secondary transfer member for a time period T2 extended from the predetermined time period T1.
摘要翻译：图像形成装置包括在其表面上承载潜像的图像承载部件，用调色剂显影潜像的显影装置，中间转印部件，二次转印部件，清洁装置和主体。清洁装置在打印完成后的正常时间期间的启动操作期间清洁二次转印部件一段预定的时间段T1。主体容纳图像承载部件，显影装置，中间转印部件，二次转印部件和清洁装置。图像承载部件和显影装置中的至少一个构成相对于主体可拆卸地安装的处理盒，并且在处理盒安装在主体中的情况下，清洁装置清洁二次转印部件时间段T2从预定时间段T1延伸。

3. 发明授权

US09025994B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09025994B2
公开(公告)日：2015-05-05
申请号：US14086483
申请日：2013-11-21
申请人： Takeshi Yamashita , Yoshie Iwakura , Yasuhiro Fujiwara
发明人： Takeshi Yamashita , Yoshie Iwakura , Yasuhiro Fujiwara
IPC分类号： G03G15/16 , G03G15/01
CPC分类号： G03G15/0189 , G03G15/1605 , G03G15/168
摘要： An image forming apparatus includes an image bearing member to bear a latent image on a surface thereof, a developing device to develop the latent image with toner, an intermediate transfer member, a secondary transfer member, a cleaning device, and a main body. The cleaning device cleans the secondary transfer member for a predetermined time period T1 during a startup operation after printing is completed normally before subsequent printing. The main body houses the image bearing member, the developing device, the intermediate transfer member, the secondary transfer member, and the cleaning device. At least one of the image bearing member and the developing device constitutes a process cartridge detachably attachable relative to the main body, and in a case in which the process cartridge is installed in the main body, the cleaning device cleans the secondary transfer member for a time period T2 extended from the predetermined time period T1.
摘要翻译：图像形成装置包括在其表面上承载潜像的图像承载部件，用调色剂显影潜像的显影装置，中间转印部件，二次转印部件，清洁装置和主体。清洁装置在打印完成后的正常时间期间的启动操作期间清洁二次转印部件一段预定的时间段T1。主体容纳图像承载部件，显影装置，中间转印部件，二次转印部件和清洁装置。图像承载部件和显影装置中的至少一个构成相对于主体可拆卸地安装的处理盒，并且在处理盒安装在主体中的情况下，清洁装置清洁二次转印部件时间段T2从预定时间段T1延伸。

4. 发明授权

US07734235B2 Image forming apparatus including a metallic driving roller 有权
标题翻译：图像形成装置包括金属驱动辊
公开(公告)号：US07734235B2
公开(公告)日：2010-06-08
申请号：US11276666
申请日：2006-03-09
申请人： Atsushi Takehara , Akihiro Kawasaki , Yoshie Iwakura , Tomoya Adachi , Takafumi Miyazaki
发明人： Atsushi Takehara , Akihiro Kawasaki , Yoshie Iwakura , Tomoya Adachi , Takafumi Miyazaki
IPC分类号： G03G15/01
CPC分类号： G03G15/1615 , G03G15/0194 , G03G2215/0119 , G03G2215/0129 , G03G2215/0158
摘要： In an image forming apparatus, an intermediate transfer belt is made of a resin film and is supported by a plurality of rollers. A driving roller that is one of the plurality of rollers, drives the intermediate transfer belt, and also functions as an opposing unit with respect to a secondary transfer roller. The driving roller is made of metal, and applies a bias to at least secondary transfer units, at least at a time of performing primary transfer to a plurality of image bearing bodies.
摘要翻译：在图像形成装置中，中间转印带由树脂膜制成并被多个辊支撑。作为多个辊之一的驱动辊驱动中间转印带，并且还用作相对于二次转印辊的相对单元。驱动辊由金属制成，并且至少在进行一次转印到多个图像承载体时至少向二次转印单元施加偏压。

5. 发明授权

US07636539B2 Tandem intermediate-transfer type image forming apparatus 有权
标题翻译：串联转印型成像装置
公开(公告)号：US07636539B2
公开(公告)日：2009-12-22
申请号：US11411128
申请日：2006-04-26
申请人： Akihiro Kawasaki , Atsushi Takehara , Yoshie Iwakura , Takafumi Miyazaki , Tomoya Adachi
发明人： Akihiro Kawasaki , Atsushi Takehara , Yoshie Iwakura , Takafumi Miyazaki , Tomoya Adachi
IPC分类号： G03G15/01
CPC分类号： G03G15/1615 , G03G2215/1614
摘要： An image forming unit includes four photoconductors, a belt extended around a driving roller and an extension-cum-primary transfer roller. Three primary transfer rollers sandwich the belt in association with a corresponding photoconductor. The extension-cum-primary transfer roller serves both as an extension roller and a primary transfer roller.
摘要翻译：图像形成单元包括四个感光体，围绕驱动辊延伸的带和延伸与一次转印辊。三个一次转印辊与相应的光电导体相关联地夹持带。延伸 - 一次转印辊同时用作延伸辊和一次转印辊。

6. 发明授权

US07587159B2 Image forming method and apparatus including a relationship between secondary roller diameter and recording medium ingress position 有权
标题翻译：包括二次辊直径与记录介质入口位置之间的关系的图像形成方法和装置
公开(公告)号：US07587159B2
公开(公告)日：2009-09-08
申请号：US11855739
申请日：2007-09-14
申请人： Kazuoki Fuwa , Masayuki Hagi , Yoshihiro Mikuriya , Hideaki Yasunaga , Hiroaki Kato , Yoshitaka Sekiguchi , Yoshie Iwakura
发明人： Kazuoki Fuwa , Masayuki Hagi , Yoshihiro Mikuriya , Hideaki Yasunaga , Hiroaki Kato , Yoshitaka Sekiguchi , Yoshie Iwakura
IPC分类号： G03G15/14
CPC分类号： G03G15/1685 , G03G2215/0132 , G03G2215/1614
摘要： Provided is an image forming method that comprises a charging step, an exposing step, a developing step, an intermediate transfer step and a secondary transfer step, wherein the diameter R (mm) of a secondary transfer roller used in the secondary transfer step and the distance A (mm) between a nip center of the secondary transfer roller and a site where paper contacts with a secondary transfer belt at ingress side satisfy the following relation, and the charge amount Q (μC/g) of the toner going into the secondary transfer step satisfies the following relation. R/40
摘要翻译：提供了一种图像形成方法，其包括充电步骤，曝光步骤，显影步骤，中间转印步骤和二次转印步骤，其中在二次转印步骤中使用的二次转印辊的直径R（mm）和二次转印辊的辊隙中心与进纸侧与二次转印带接触的位置之间的距离A（mm）满足以下关系，并且进入二次转印辊的调色剂的带电量Q（μC/ g）转移步骤满足以下关系。 <？in-line-formula description =“In-line Formulas”end =“lead”？> R / 40 15 / A2

7. 发明授权

US07330686B2 Color image forming apparatus including a voltage attenuating intermediate transfer belt 有权
标题翻译：彩色图像形成装置，包括电压衰减中间转印带
公开(公告)号：US07330686B2
公开(公告)日：2008-02-12
申请号：US11235779
申请日：2005-09-27
申请人： Kuniaki Nakano , Yoshie Iwakura , Susumu Murakami
发明人： Kuniaki Nakano , Yoshie Iwakura , Susumu Murakami
IPC分类号： G03G15/01
CPC分类号： G03G15/163 , G03G15/1685
摘要： A color image forming apparatus includes: a multiple number of process printing units, each having an photoreceptor drum for supporting a developer image formed with a developer corresponding to each color of color-separated image information; a transfer belt to which the developer images formed on the photoreceptor drums are transferred; and a transfer roller for transferring the transferred developer image to recording paper, and is constructed so that the transfer belt is formed of a material which makes it possible for the transfer belt to attenuate the voltage charged thereon by 1,000 V or greater while it moves from a position where secondary transfer is performed to a position where the initial primary transfer is performed.
摘要翻译：彩色图像形成装置包括：多个处理印刷单元，每个处理印刷单元具有感光鼓，用于支撑用与分色图像信息的每种颜色对应的显影剂形成的显影剂图像; 在感光鼓上形成的显影剂图像被转印到的转印带; 以及用于将转印的显影剂图像转印到记录纸的转印辊，并且被构造成使得转印带由材料形成，该材料使得转印带可以使其上充电的电压在其上移动1,000V或更大，同时其从执行二次转印的位置到执行初始一次转印的位置。

8. 发明授权

US06954605B2 Transfer device having casing with elastic member 有权
标题翻译：具有带有弹性构件的壳体的传送装置
公开(公告)号：US06954605B2
公开(公告)日：2005-10-11
申请号：US10671990
申请日：2003-09-25
申请人： Susumu Murakami , Minoru Tomiyori , Yoshie Iwakura , Hideshi Izumi
发明人： Susumu Murakami , Minoru Tomiyori , Yoshie Iwakura , Hideshi Izumi
IPC分类号： G03B15/00 , G03B15/16 , G03G15/16 , B03G15/16
CPC分类号： G03G15/1635 , G03G2215/1609
摘要： A transfer device includes: a discharge type transfer element for transferring the developer to a sheet by discharging electric charge to a static latent image support through the sheet so as to form an image of an original thereon; and a transfer casing accommodating the transfer element, wherein the side on the sheet's entrance side is formed of an electrically insulating element, and is constructed such that the transfer element and transfer casing are arranged so as to be offset to the upstream side with respect to the rotational direction of the static latent image support, along the outer peripheral surface thereof and so that the upper end of the insulating element blocks up into the paper feed path, and the insulating element is adapted to be bent toward the sheet feed direction by virtue of an elastic member.
摘要翻译：转印装置包括：排出型转印元件，用于通过将电荷通过片材向静电潜像载体排出，以将显影剂转印到片材上，以便在其上形成原稿的图像; 以及容纳所述转印元件的转印壳体，其中所述纸张入口侧的一侧由电绝缘元件形成，并且被构造成使得所述转印元件和转印壳体相对于静电潜像的旋转方向沿着其外周面支撑，绝缘元件的上端嵌入供纸路径，绝缘元件适合于朝着纸张馈送方向弯曲的弹性构件。

9. 发明申请

US20050207802A1 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US20050207802A1
公开(公告)日：2005-09-22
申请号：US11084246
申请日：2005-03-21
申请人： Hideshi Izumi , Susumu Murakami , Minoru Tomiyori , Tomohiko Fujii , Yoshie Iwakura
发明人： Hideshi Izumi , Susumu Murakami , Minoru Tomiyori , Tomohiko Fujii , Yoshie Iwakura
IPC分类号： G03G15/00 , B65H5/00 , B65H5/06 , B65H5/38 , B65H29/00 , G03G15/14 , G03G15/16
CPC分类号： G03G15/167 , B65H29/00 , B65H2404/521 , B65H2404/62 , B65H2511/20 , B65H2513/51 , G03G15/657 , G03G2215/00413 , G03G2215/1614 , B65H2220/02 , B65H2220/11 , B65H2220/01
摘要： An image forming apparatus is constituted so as to be equipped with transfer apparatus(es) having transfer roller(s) electrostatically transferring development image(s) from photosensitive drum(s) to transfer medium/media, and so as to be provided with transfer medium guide means disposed downstream in transfer medium transport path(s) from location(s) at which photosensitive drum(s) oppose transfer roller(s), and such that transfer medium guide location(s) of transfer medium guide means is/are variable.
摘要翻译：图像形成装置被构造成具有将感光鼓静电转印显影图像的转印辊传送到介质/介质的转印装置，并且设置有转印介质引导装置，其设置在转印介质输送路径的下游，所述转印介质输送路径位于与感光鼓相对的转印辊的位置处，并且转印介质引导装置的转印介质引导位置是变量。

10. 发明申请

US20050185992A1 Transfer apparatus and image forming apparatus 有权
标题翻译：转印装置和成像装置
公开(公告)号：US20050185992A1
公开(公告)日：2005-08-25
申请号：US11052980
申请日：2005-02-07
申请人： Yoshie Iwakura , Susumu Murakami , Kuniaki Nakano
发明人： Yoshie Iwakura , Susumu Murakami , Kuniaki Nakano
IPC分类号： G03G15/16 , G03G15/00 , G03G15/01
CPC分类号： G03G15/1685 , G03G15/0131 , G03G2215/0119
摘要： A transfer apparatus and an image forming apparatus capable of transferring an image satisfactorily using developing agent are disclosed. A transfer system includes photosensitive drums corresponding to the respective colors arranged along the outer peripheral surface of a transfer belt and intermediate transfer rollers arranged offset downstream side from the respective photosensitive drums for applying a transfer field to the respective photosensitive drums. The transfer belt is configured of a material such as polyimide or polycarbonate in which a surge current of not less than a specified value flows immediately after application of a transfer voltage.
摘要翻译：公开了能够使用显影剂令人满意地转印图像的转印装置和图像形成装置。转印系统包括对应于沿着转印带的外周表面布置的各种颜色的感光鼓和设置在相应感光鼓的下游侧的中间转印辊，用于将转印场施加到各个感光鼓。转印带由诸如聚酰亚胺或聚碳酸酯的材料构成，其中不小于指定值的浪涌电流在施加转印电压之后立即流动。

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