公开(公告)号：US20060171735A1

公开(公告)日：2006-08-03

申请号：US11341739

申请日：2006-01-27

申请人： Shuta Hamada ,  Akira Hamada ,  Yoshiko Hamada ,  Takenobu Kimura ,  Yotaro Sato

发明人： Shuta Hamada ,  Akira Hamada ,  Yoshiko Hamada ,  Takenobu Kimura ,  Yotaro Sato

IPC分类号： G03G15/16

CPC分类号： G03G15/161 ,  G03G2215/1661

摘要： There is described an image forming apparatus equipped with a cleaning unit to clean a belt-type transfer member. The cleaning unit includes: a conductive opposing roller that contacts an inner surface of the intermediate transfer member; a first conductive blush member and a second conductive blush member, both of which are pressed against the conductive opposing roller while putting the intermediate transfer member between them; a cleaning-voltage applying power source to apply a cleaning voltage having a polarity opposite to that of the residual toner onto the first conductive blush member; and an opposing-roller potential controlling unit to control an electric potential state of the conductive opposing roller, so that an electric potential difference, between the first conductive blush member and the conductive opposing roller at a time when the secondary transferring unit is deactivated, is larger than that at a time when the primary transferring unit is activated.

摘要翻译： 描述了一种装有清洁单元以清洁带式转印构件的图像形成装置。 清洁单元包括：导电的相对辊，其与中间转印部件的内表面接触; 第一导电腮红构件和第二导电腮红构件，两者都将中间转印构件放置在它们之间; 清洁电压施加电源以将具有与残留调色剂的极性相反的极性的清洁电压施加到第一导电腮红构件上; 以及对置辊电位控制单元，用于控制导电相对辊的电位状态，使得在二次转印单元停用时第一导电腮红构件和导电对置辊之间的电位差为 大于主传送单元被激活时的大小。

公开(公告)号：US07639974B2

公开(公告)日：2009-12-29

申请号：US11602563

申请日：2006-11-21

申请人： Takenobu Kimura ,  Yotaro Sato

发明人： Takenobu Kimura ,  Yotaro Sato

IPC分类号： G03G15/16

CPC分类号： G03G15/0131 ,  G03G15/1605 ,  G03G15/161 ,  G03G15/169 ,  G03G2215/0119

摘要： A color image forming apparatus for forming a color image onto a transfer material by superimposing a plurality of unicolor toner images. The apparatus makes it possible to produce a high quality image through a secondary transferring operation with a good secondary transferring efficiency. At a pre-secondary transfer charge eliminating section, an electric potential difference between a grid electrode disposed at an upstream side and an opposing electrode is set at such a value that is greater than that between a grid electrode disposed at a downstream side and an opposing electrode.

摘要翻译： 一种用于通过叠加多个单色调色剂图像将彩色图像形成到转印材料上的彩色图像形成装置。 该装置使得可以通过具有良好二次转印效率的二次转印操作产生高质量图像。 在二次转移电荷消除部分，设置在上游侧的栅极与相对电极之间的电位差设定为大于设置在下游侧的栅电极与相对电极之间的电位差 电极。

公开(公告)号：US07489894B2

公开(公告)日：2009-02-10

申请号：US11455591

申请日：2006-06-19

申请人： Yotaro Sato ,  Takenobu Kimura

发明人： Yotaro Sato ,  Takenobu Kimura

IPC分类号： G03G15/16

CPC分类号： G03G15/169 ,  G03G15/161 ,  G03G2215/0119

摘要： An image forming apparatus for a color print having an intermediate transfer belt and a plurality of image forming devices, wherein each image forming device has a photoreceptor and a developing device, and toner images formed on photoreceptors by the developing devices are primarily transferred onto the intermediate transfer belt to form a superimposed toner image and further the superimposed toner image is secondarily transferred in a batch onto a transfer member, the apparatus including: a charging or neutralizing device; a conductive elastic member, as a counter electrode for the charging or neutralizing device; and a belt surface regulating member disposed in a vicinity of the conductive elastic member to regulate a position of the surface of the intermediate transfer belt.

摘要翻译： 一种用于具有中间转印带和多个图像形成装置的彩色印刷用图像形成装置，其中，每个图像形成装置具有感光体和显影装置，并且由显影装置在感光体上形成的调色剂图像主要转印到中间体 转印带形成叠加的调色剂图像，并且再次将叠加的调色剂图像分批转印到转印部件上，该装置包括：充电或中和装置; 导电弹性构件，用作充电或中和装置的对电极; 以及设置在所述导电弹性构件附近以调节所述中间转印带的表面的位置的带表面调节构件。

公开(公告)号：US20080273891A1

公开(公告)日：2008-11-06

申请号：US12167602

申请日：2008-07-03

申请人： Shuta Hamada ,  Akira Hamada ,  Yoshiko Hamada ,  Takenobu Kimura ,  Yotaro Sato

发明人： Shuta Hamada ,  Akira Hamada ,  Yoshiko Hamada ,  Takenobu Kimura ,  Yotaro Sato

IPC分类号： G03G15/16

CPC分类号： G03G15/161 ,  G03G2215/1661

摘要： There is described an image forming apparatus equipped with a cleaning unit to clean a belt-type transfer member. The cleaning unit includes: a conductive opposing roller that contacts an inner surface of the intermediate transfer member; a first conductive blush member and a second conductive blush member, both of which are pressed against the conductive opposing roller while putting the intermediate transfer member between them; a cleaning-voltage applying power source to apply a cleaning voltage having a polarity opposite to that of the residual toner onto the first conductive blush member; and an opposing-roller potential controlling unit to control an electric potential state of the conductive opposing roller, so that an electric potential difference, between the first conductive blush member and the conductive opposing roller at a time when the secondary transferring unit is deactivated, is larger than that at a time when the primary transferring unit is activated.

摘要翻译： 描述了一种装有清洁单元以清洁带式转印构件的图像形成装置。 清洁单元包括：导电的相对辊，其与中间转印部件的内表面接触; 第一导电腮红构件和第二导电腮红构件，两者都将中间转印构件放置在它们之间; 清洁电压施加电源以将具有与残留调色剂的极性相反的极性的清洁电压施加到第一导电腮红构件上; 以及对置辊电位控制单元，用于控制导电相对辊的电位状态，使得在二次转印单元停用时第一导电腮红构件和导电对置辊之间的电位差为 大于主传送单元被激活时的大小。

公开(公告)号：US20080124102A1

公开(公告)日：2008-05-29

申请号：US11873891

申请日：2007-10-17

申请人： Takenobu KIMURA ,  Yotaro Sato

发明人： Takenobu KIMURA ,  Yotaro Sato

IPC分类号： G03G15/00 ,  G03G15/16 ,  G03G15/01

CPC分类号： G03G15/169 ,  G03G15/0131 ,  G03G2215/0129

摘要： An image forming apparatus, including an image forming section which forms a toner image on an image carrier, a primary transfer section which transfers the toner image formed by the image forming section on the image carrier from the image carrier to an intermediate transfer body, a secondary transfer section which transfers the toner image on the intermediate transfer body onto an image transfer material, an pre-secondary transfer electric discharging section which is located between the primary transfer section and the secondary transfer section to electrically discharge the toner image on the intermediate transfer body, and a control section which controls an output of the pre-secondary transfer electric discharging section, based on a smoothness of a surface of the image transfer material.

摘要翻译： 一种图像形成装置，包括在图像载体上形成调色剂图像的图像形成部分，将由图像载体上的图像形成部分形成的调色剂图像从图像载体转印到中间转印体的一次转印部分， 将中间转印体上的调色剂图像转印到图像转印材料上的二次转印部分，位于一次转印部分和二次转印部分之间的二次转印放电部分，以在中间转印 基于图像转印材料的表面的平滑度来控制二次转印放电部的输出的控制部。

公开(公告)号：US20070048030A1

公开(公告)日：2007-03-01

申请号：US11455591

申请日：2006-06-19

申请人： Yotaro Sato ,  Takenobu Kimura

发明人： Yotaro Sato ,  Takenobu Kimura

IPC分类号： G03G15/16

CPC分类号： G03G15/169 ,  G03G15/161 ,  G03G2215/0119

摘要： An image forming apparatus for a color print having an intermediate transfer belt and a plurality of image forming devices, wherein each image forming device has a photoreceptor and a developing device, and toner images formed on photoreceptors by the developing devices are primarily transferred onto the intermediate transfer belt to form a superimposed toner image and further the superimposed toner image is secondarily transferred in a batch onto a transfer member, the apparatus including: a charging or neutralizing device; a conductive elastic member, as a counter electrode for the charging or neutralizing device; and a belt surface regulating member disposed in a vicinity of the conductive elastic member to regulate a position of the surface of the intermediate transfer belt.

摘要翻译： 一种用于具有中间转印带和多个图像形成装置的彩色印刷用图像形成装置，其中，每个图像形成装置具有感光体和显影装置，并且由显影装置在感光体上形成的调色剂图像主要转印到中间体 转印带形成叠加的调色剂图像，并且再次将叠加的调色剂图像分批转印到转印部件上，该装置包括：充电或中和装置; 导电弹性构件，用作充电或中和装置的对电极; 以及设置在所述导电弹性构件附近以调节所述中间转印带的表面的位置的带表面调节构件。

公开(公告)号：US20060198647A1

公开(公告)日：2006-09-07

申请号：US11285813

申请日：2005-11-22

申请人： Shuta Hamada ,  Akira Hamada ,  Takenobu Kimura ,  Yotaro Sato

发明人： Shuta Hamada ,  Akira Hamada ,  Takenobu Kimura ,  Yotaro Sato

IPC分类号： G03G15/00 ,  G03G15/16

CPC分类号： G03G15/1675 ,  G03G15/5037 ,  G03G15/5058

摘要： The invention prevents the phenomenon of occurrence of toner scattering or density fluctuations by changing the appropriate transfer conditions according to the toner charge of the toner images formed on an intermediate image transfer member. The density of toner images formed under prescribed image forming conditions on an intermediate image transfer member is detected, the toner charge is obtained from the detected density, and the pre-transfer charging section is controlled according to the obtained toner charge.

公开(公告)号：US20060078359A1

公开(公告)日：2006-04-13

申请号：US11183445

申请日：2005-07-18

申请人： Shuta Hamada ,  Akira Hamada ,  Yoshiko Hamada ,  Takenobu Kimura ,  Yotaro Sato

发明人： Shuta Hamada ,  Akira Hamada ,  Yoshiko Hamada ,  Takenobu Kimura ,  Yotaro Sato

IPC分类号： G03G15/16

CPC分类号： G03G15/169

摘要： There is described an image forming apparatus, which makes it possible to conduct a sufficient discharging operation for a toner image. The apparatus includes an image forming section, an image bearing member, an intermediate transfer belt, a part of which is supported in a state of a flat plane by supporting members, a primary transferring device to transfer a toner image from the image bearing member onto the intermediate transfer member, a secondary transferring device to transfer the toner image onto a transfer material, a scorotron discharging device that is disposed at an upstream side of the secondary transferring device, where the part of the intermediate transfer member is supported in the state of the flat plane, and includes a discharging electrode and a grid to discharge the toner image; and a conductive brush that opposes to the scorotron discharging device and contacts the rear surface of intermediate transfer member.

摘要翻译： 描述了一种图像形成装置，其使得可以对调色剂图像进行充分的放电操作。 该装置包括图像形成部分，图像承载部件，中间转印带，其一部分由支撑部件支撑在平面状态;一个转印装置，用于将调色剂图像从图像承载部件转印到 中间转印部件，用于将调色剂图像转印到转印材料上的二次转印装置，设置在二次转印装置的上游侧的刮刀放电装置，其中中间转印部件的一部分以 平面，并且包括放电电极和格栅以排出调色剂图像; 以及与刮刀放电装置相对并与中间转印构件的后表面接触的导电刷。

公开(公告)号：US20060056869A1

公开(公告)日：2006-03-16

申请号：US11135496

申请日：2005-05-24

申请人： Yotaro Sato ,  Takenobu Kimura ,  Hiroshi Akita

发明人： Yotaro Sato ,  Takenobu Kimura ,  Hiroshi Akita

IPC分类号： G03G15/16

CPC分类号： G03G15/1675 ,  G03G15/161

摘要： Disclosed is an image forming apparatus that comprises: an image bearing member; an image forming unit for forming a toner image on the image bearing member; an intermediate transfer member; a first transfer device for transferring the toner image on the image bearing member onto the intermediate transfer member; a second transfer device for transferring the toner image on the intermediate transfer member onto a transfer material; an intermediate transfer member cleaner for cleaning the intermediate transfer member after the transfer; a charging unit for giving the electric charge to the intermediate transfer member; and a control unit by which, when the charging unit is controlled, in non-image area on the intermediate transfer member, the intermediate transfer member is charged to the reverse polarity to the charge of toner, and the toner adhered to the second transfer device is transferred to the intermediate transfer member.

摘要翻译： 公开了一种图像形成装置，包括：图像承载部件; 图像形成单元，用于在图像承载部件上形成调色剂图像; 中间转印部件; 用于将图像承载部件上的调色剂图像转印到中间转印部件上的第一转印装置; 用于将中间转印部件上的调色剂图像转印到转印材料上的第二转印装置; 中间转印部件清洁剂，用于在转印之后清洁中间转印部件; 用于向中间转印部件充电的充电单元; 以及控制单元，当所述充电单元被控制在所述中间转印构件上的非图像区域中时，所述中间转印构件被充电到与调色剂的电荷相反的极性，并且所述调色剂粘附到所述第二转印装置 被转移到中间转印部件。

公开(公告)号：US07593675B2

公开(公告)日：2009-09-22

申请号：US11519113

申请日：2006-09-11

申请人： Takenobu Kimura ,  Yotaro Sato

发明人： Takenobu Kimura ,  Yotaro Sato

IPC分类号： G03G15/16

CPC分类号： G03G15/0194 ,  G03G2215/0119

摘要： A color image forming apparatus includes: a plurality of image carriers each on which a toner image having a color different from each other is formed; an intermediate transfer member to which each of the image carriers is transferred; a plurality of a primary transfer units each which transfers a toner image formed on each of the plurality of image carriers onto the intermediate transfer member; a discharging unit provided between two adjoining image carriers in a moving direction of the intermediate transfer member, which discharges an electrical charge of a toner image transferred on the intermediate transfer member; and a secondary transfer unit which transfers a plurality colors of toner images which have been superimposed on the intermediate transfer member onto a transfer material.

摘要翻译： 彩色图像形成装置包括：多个图像载体，各自形成具有彼此不同的颜色的调色剂图像; 传送每个图像载体的中间转印构件; 多个一次转印单元，其将形成在所述多个图像载体上的每个图像载体上的调色剂图像转印到所述中间转印部件上; 排出单元，其设置在中间转印部件的移动方向上的两个邻接的图像载体之间，其排出在中间转印部件上转印的调色剂图像的电荷; 以及二次转印单元，其将叠加在中间转印部件上的多色调色剂图像转印到转印材料上。