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：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：US07593665B2

公开(公告)日：2009-09-22

申请号：US12167602

申请日：2008-07-03

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

发明人： Shuta Hamada ,  Takenobu Kimura ,  Yotaro Sato

IPC分类号： G03G15/16 ,  G03G21/00

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 brush member and a second conductive brush 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 brush 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 brush 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; 第一导电刷构件和第二导电刷构件，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刷构件上; 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刷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：US20060177245A1

公开(公告)日：2006-08-10

申请号：US11285589

申请日：2005-11-21

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： G03G15/1645 ,  G03G2215/1623

摘要： There is described a color image forming apparatus, which makes the high durable transferring operation possible. The color image forming apparatus includes: primary transferring devices to transfer unicolor toner images respectively formed on image bearing members onto an intermediate transfer member; a secondary transferring device to transfer the multi-color toner image onto a transfer material; a discharging device before secondary transfer, disposed at a position between a primary transferring device and the secondary transferring device; an electric discharge electrode disposed at a position opposing to the intermediate transfer member; an opposing electrode disposed at a position opposing to the electric discharge electrode while putting the intermediate transfer member between them; and a separating device to make the opposing electrode movable between an operating position at which the opposing electrode contacts the intermediate transfer member and a separating position being apart from the intermediate transfer member.

摘要翻译： 描述了一种使得高耐用转印操作成为可能的彩色图像形成装置。 彩色图像形成装置包括：一次转印装置，用于将分别形成在图像承载部件上的单色调色剂图像转印到中间转印部件上; 二次转印装置，用于将多色调色剂图像转印到转印材料上; 在二次转印之前的放电装置，设置在一次转印装置和二次转印装置之间的位置; 设置在与中间转印部件相对的位置的放电电极; 设置在与放电电极相对的位置处的相对电极，同时将中间转印构件放置在它们之间; 以及分离装置，使对置电极能够在对置电极与中间转印部件接触的操作位置与离开中间转印部件的分离位置之间移动。

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：US20060093408A1

公开(公告)日：2006-05-04

申请号：US11183596

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： G03G15/01

CPC分类号： G03G15/161 ,  G03G15/1605 ,  G03G2215/1623

摘要： A color image forming apparatus includes plural developing units that respectively form toner images of different colors on plural photoreceptors, plural primary transferring devices that successively transfer each of the toner images of the plural photoreceptors onto an intermediate transfer belt, which holds a color toner image transferred and superimposed by primary transfer, a secondary transferring device that transfers concurrently the color toner image onto a transfer material, a drive roller that drives the intermediate transfer belt and that is placed between one of the plurality of primary transferring devices which is arranged on the most downstream side in the direction of movement of the intermediate transfer belt and the secondary transferring device, and a controller that controls a discharger discharging the color toner image and the drive of the drive roller.

摘要翻译： 彩色图像形成装置包括分别在多个感光体上分别形成不同颜色的调色剂图像的多个显影单元，将多个感光体的每个调色剂图像依次转印到转印有色调色剂图像的中间转印带上的多个一次转印装置 并且通过一次转印叠加，将彩色调色剂图像同时转印到转印材料上的二次转印装置，驱动中间转印带的驱动辊，并且放置在多个最初设置的多个一次转印装置中的一个之间 中间转印带和二次转印装置的移动方向的下游侧，以及控制排出彩色调色剂图像的排出器和驱动辊的驱动的控制器。

公开(公告)号：US20060228136A1

公开(公告)日：2006-10-12

申请号：US11359131

申请日：2006-02-22

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

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

IPC分类号： G03G15/16

CPC分类号： G03G15/1645 ,  G03G15/0131 ,  G03G2215/0119

摘要： The color image forming apparatus, having: an intermediate transfer member; a plurality of image forming sections provided along the intermediate transfer member; a primary transfer device provided along the intermediate transfer member to transfer toner images formed on each image forming section so that the toner images are superimposed on the intermediate transfer member; a secondary transfer device provided downstream side of the primary transfer device to transfer superimposed toner images through bias voltage; a discharging device having a grid and a discharge electrode provided between the primary transfer device and secondary transfer device; a image density sensor provided along the intermediate transfer member to detect an amount of toner adhesion on the intermediate transfer member; and a control device to control the applied voltage for the discharge electrode in accordance with output of the image density sensor.

摘要翻译： 该彩色图像形成装置具有：中间转印部件; 沿所述中间转印部件设置的多个图像形成部; 沿着中间转印部件设置的转印装置，用于转印形成在每个图像形成部分上的调色剂图像，使得调色剂图像重叠在中间转印部件上; 二次转印装置设置在一次转印装置的下游侧以通过偏置电压转印叠加的调色剂图像; 具有格栅的放电装置和设置在一次转印装置和二次转印装置之间的放电电极; 沿着中间转印部件设置的图像浓度传感器，用于检测中间转印部件上的调色剂附着量; 以及根据图像浓度传感器的输出来控制放电电极的施加电压的控制装置。

公开(公告)号：US20060198665A1

公开(公告)日：2006-09-07

申请号：US11304251

申请日：2005-12-14

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： G03G15/0131 ,  G03G15/168 ,  G03G2215/0119

摘要： A color image forming apparatus has an image forming unit, wherein the image forming device provided around the image carrier forms a toner image on the image carrier; an intermediate transfer member; a primary transfer unit for transferring the toner image onto the intermediate transfer member to form an superimposed toner image; a secondary transfer unit which transfers the toner image onto a transfer material; an electricity removal unit which has a discharge electrode and a grid electrode, and is provided between the primary transfer unit and the secondary transfer unit; a discharge electrode power source for applying a DC voltage with reverse polarity to the toner image on the intermediate transfer member to the discharge electrode; a grid electrode power source for applying a DC voltage with the same polarity as the toner image to the grid electrode; a counter electrode which is provided facing the electricity removal unit; a current detecting unit for detecting an electricity removal current, and a control unit for controlling an output of the electricity removal unit in accordance with a value of the electricity removal current.

摘要翻译： 彩色图像形成装置具有图像形成单元，其中设置在图像载体周围的图像形成装置在图像载体上形成调色剂图像; 中间转印部件; 用于将调色剂图像转印到中间转印部件上以形成叠加的调色剂图像的一次转印单元; 将调色剂图像转印到转印材料上的二次转印单元; 具有放电电极和栅电极的电除去单元，设置在一次转印单元和二次转印单元之间; 放电电极电源，用于将与所述中间转印部件上的调色剂图像相反极性的DC电压施加到所述放电电极; 用于将具有与调色剂图像相同极性的DC电压施加到栅电极的栅电极电源; 相对电极，其设置为面向所述除电单元; 电流检测单元，用于检测去电流;以及控制单元，用于根据去电流的值控制除电单元的输出。

公开(公告)号：US20060088342A1

公开(公告)日：2006-04-27

申请号：US11183705

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： G03G15/1675 ,  G03G2215/0119

摘要： A color image forming apparatus includes primary transferring units that conduct the successive primary transfer onto an intermediate transfer body on which each of toner images different colors of the photoreceptors has been formed, a secondary transferring unit that transfers a color toner image formed by superimposing on the intermediate transfer body onto a transfer material, a pre-charging unit placed downstream of the primary transferring units and upstream of the secondary transferring unit and that applies electric charge to the color toner image on the intermediate transfer body before the secondary image transfer with the polarity of the applied electrical charge identical to polarity of the potential of the toner, and a potential adjustment unit placed downstream of the pre-charging unit and upstream of the secondary transferring unit, and applied an electric charge that has a polarity opposite to that of the potential of the toner to the color toner image on the intermediate transfer body.

摘要翻译： 彩色图像形成装置包括：一次转印单元，其将连续的一次转印传递到中间转印体上，在该中间转印体上形成有不同颜色的感光体的调色剂图像;二次转印单元，将通过叠加形成的彩色调色剂图像 中间转印体转印到转印材料上，预充电单元放置在初级转印单元的下游和二次转印单元的上游，并且在具有极性的二次图像转印之前对中间转印体上的彩色调色剂图像施加电荷 施加的电荷与调色剂的电位的极性相同，以及位于预充电单元下游和二次转印单元的上游的电位调节单元，并施加与第二转印单元的极性相反的电荷 调色剂在中间体上的彩色调色剂图像的电位 e转移体。