公开(公告)号：US20050271420A1

公开(公告)日：2005-12-08

申请号：US11143982

申请日：2005-06-03

申请人： Yuji Arai ,  Tokuya Ojimi ,  Takaaki Tawada ,  Toshio Koike ,  Ken Amemiya ,  Takeshi Shintani ,  Masanori Kawasumi ,  Takuzi Yoneda ,  Masami Tomita ,  Takeshi Uchitani ,  Nobuo Kuwabara ,  Hiroyuki Nagashima ,  Hiroshi Ono ,  Takatsugu Fujishiro ,  Haruji Mizuishi ,  Masaharu Yokono

发明人： Yuji Arai ,  Tokuya Ojimi ,  Takaaki Tawada ,  Toshio Koike ,  Ken Amemiya ,  Takeshi Shintani ,  Masanori Kawasumi ,  Takuzi Yoneda ,  Masami Tomita ,  Takeshi Uchitani ,  Nobuo Kuwabara ,  Hiroyuki Nagashima ,  Hiroshi Ono ,  Takatsugu Fujishiro ,  Haruji Mizuishi ,  Masaharu Yokono

IPC分类号： G03G15/02

CPC分类号： G03G15/0266

摘要： A charging apparatus, process cartridge, and image forming apparatus with which current fluctuation values in the charging current can be suppressed, and image defects caused by filming and the like can be prevented, by specifying a permissible gap fluctuation value by quantitatively ascertaining the relationship between the fluctuation value in charging current and the fluctuation value in the gap between the photosensitive body and the charging roller. In a charging apparatus equipped with a charging roller provided at a minute gap away from a photosensitive body, for performing charging, the relationship Gmax−Gmin≦30 (μm) is satisfied when the gap (μm) between the charged side of the photosensitive body and the charging side of the charging roller has a maximum value Gmax (μm) and a minimum value Gmin (μm).

摘要翻译： 能够抑制充电电流中的电流波动值的充电装置，处理盒和图像形成装置，并且可以通过定量地确定容许间隙波动值，通过定量地确定 充电电流的波动值和感光体与充电辊之间的间隙的波动值。 在配备有设置在远离感光体的微小间隙处的充电辊的充电装置中，为了进行充电，当感光体的充电侧之间的间隙（母体）满足时，满足关系Gmax-Gmin <= 30（mum） 充电辊的充电侧具有最大值Gmax（mum）和最小值Gmin（mum）。

公开(公告)号：US20070122217A1

公开(公告)日：2007-05-31

申请号：US11565404

申请日：2006-11-30

申请人： Hiroyuki Nagashima ,  Hiroshi Hosokawa ,  Yoshiyuki Kimura ,  Masanori Kawasumi ,  Takeshi Uchitani ,  Atsushi Sampe ,  Nobuo Kuwabara ,  Yuji Arai ,  Hirotaka Hatta

发明人： Hiroyuki Nagashima ,  Hiroshi Hosokawa ,  Yoshiyuki Kimura ,  Masanori Kawasumi ,  Takeshi Uchitani ,  Atsushi Sampe ,  Nobuo Kuwabara ,  Yuji Arai ,  Hirotaka Hatta

IPC分类号： G03G21/00

CPC分类号： G03G9/0819 ,  G03G5/005 ,  G03G9/0827 ,  G03G15/5008 ,  G03G21/0005 ,  G03G21/1814 ,  G03G21/1832 ,  G03G2215/00075 ,  G03G2221/0005 ,  G03G2221/1606 ,  G03G2221/183

摘要： An image forming apparatus includes a main body, and a process cartridge detachably disposed in the main body and an image bearing member. The image bearing member provides an image on a surface thereof and rotate at a predetermined linear velocity. A lubricant applying member contacts the image bearing member and applies a lubricant on the surface of the image bearing member while rotating with the image bearing member. The lubricant applying member includes a brush roller and is controlled to rotate at a linear velocity different from the predetermined linear velocity of the image bearing member at a contact portion with the image bearing member. In this way, the lubricant applying member applies an amount of the lubricant smaller than an amount of lubricant used when the image bearing member and the lubricant applying member rotate at an identical linear velocity.

摘要翻译： 图像形成装置包括主体和可拆卸地设置在主体中的处理盒和图像承载部件。 图像承载部件在其表面上提供图像并以预定的线速度旋转。 润滑剂施加构件与图像承载构件接触并且在与图像承载构件一起旋转的同时在图像承载构件的表面上施加润滑剂。 润滑剂施加构件包括刷辊，并且在图像承载部件的接触部分处被控制成以与图像承载部件的预定线速度不同的线速度旋转。 以这种方式，当图像承载部件和润滑剂施加部件以相同的线速度旋转时，润滑剂施加部件施加少于润滑剂使用量的润滑剂。

公开(公告)号：US07333744B2

公开(公告)日：2008-02-19

申请号：US11289488

申请日：2005-11-30

申请人： Eiji Shimojo ,  Haruji Mizuishi ,  Tokuya Ojimi ,  Masanori Kawasumi ,  Takuzi Yoneda ,  Ken Amemiya ,  Takatsugu Fujishiro ,  Hiroshi Ono ,  Toshio Koike ,  Masami Tomita ,  Yuji Arai ,  Takeshi Uchitani

发明人： Eiji Shimojo ,  Haruji Mizuishi ,  Tokuya Ojimi ,  Masanori Kawasumi ,  Takuzi Yoneda ,  Ken Amemiya ,  Takatsugu Fujishiro ,  Hiroshi Ono ,  Toshio Koike ,  Masami Tomita ,  Yuji Arai ,  Takeshi Uchitani

IPC分类号： G03G15/00 ,  G03G21/00

CPC分类号： G03G21/0005

摘要： A charge apparatus charges by uniformly superimposing an alternate current bias voltage with a fixed frequency over a direct current bias voltage as the charge bias voltage on a photosensitive member. An exposure apparatus exposes the surface of the charged photosensitive member based on image data, and writes a latent image, and a developing apparatus supplies toner to and makes visible the latent image formed on the surface of the photosensitive member. A transfer apparatus transfers the visible image on the photosensitive member to a transfer medium, and a cleaning apparatus cleans the surface of the photosensitive member after transfer.

摘要翻译： 充电装置通过在直流偏置电压上均匀地叠加具有固定频率的交流偏置电压作为感光构件上的充电偏压来充电。 曝光装置基于图像数据曝光充电的感光构件的表面，并且对潜像进行写入，并且显影装置向形成在感光构件的表面上的潜像提供调色剂并使其可见。 传送装置将感光构件上的可见图像传送到转印介质，并且清洁装置在转印之后清洁感光构件的表面。

公开(公告)号：US20060115286A1

公开(公告)日：2006-06-01

申请号：US11287421

申请日：2005-11-28

申请人： Takeshi Uchitani ,  Ken Amemiya ,  Toshio Koike ,  Hiroshi Ono ,  Takatsugu Fujishiro ,  Tokuya Ojimi ,  Yuji Arai ,  Masanori Kawasumi ,  Takuji Yoneda ,  Haruji Mizuishi ,  Masaharu Yokono ,  Masami Tomita

发明人： Takeshi Uchitani ,  Ken Amemiya ,  Toshio Koike ,  Hiroshi Ono ,  Takatsugu Fujishiro ,  Tokuya Ojimi ,  Yuji Arai ,  Masanori Kawasumi ,  Takuji Yoneda ,  Haruji Mizuishi ,  Masaharu Yokono ,  Masami Tomita

IPC分类号： G03G15/02

CPC分类号： G03G15/0266

摘要： An image forming apparatus including an image bearing member configured to bear an electrostatic latent image; a charging device configured to charge the image bearing member by applying a DC voltage overlapped with an AC voltage to the image bearing member; an AC current detector configured to detect an AC current flowing through the image bearing member on a ground side of the image bearing member; a light irradiating device configured to irradiate the charged image bearing member with imagewise light to form the electrostatic latent image on the image bearing member; a developing device configured to develop the electrostatic latent image with a developer comprising a toner to form a toner image on the image bearing member; a transferring device configured to transfer the toner image onto a receiving material; and a cleaning device configured to clean a surface of the image bearing member.

摘要翻译： 一种图像形成装置，包括构造成承载静电潜像的图像承载部件; 充电装置，被配置为通过将与AC电压重叠的DC电压施加到图像承载部件来对图像承载部件充电; 交流电流检测器，被配置为检测流过图像承载部件的图像承载部件的图像承载部件的地面侧的交流电流; 光照射装置，被配置为用图像光照射带电图像承载部件，以在图像承载部件上形成静电潜像; 显影装置，被配置为用包含调色剂的显影剂显影静电潜像，以在图像承载部件上形成调色剂图像; 传送装置，被配置为将调色剂图像转印到接收材料上; 以及构造成清洁图像承载部件的表面的清洁装置。

公开(公告)号：US20060133837A1

公开(公告)日：2006-06-22

申请号：US11289488

申请日：2005-11-30

申请人： Eiji Shimojo ,  Haruji Mizuishi ,  Tokuya Ojimi ,  Masanori Kawasumi ,  Takuzi Yoneda ,  Ken Amemiya ,  Takatsugu Fujishiro ,  Hiroshi Ono ,  Toshio Koike ,  Masami Tomita ,  Yuji Arai ,  Takeshi Uchitani

发明人： Eiji Shimojo ,  Haruji Mizuishi ,  Tokuya Ojimi ,  Masanori Kawasumi ,  Takuzi Yoneda ,  Ken Amemiya ,  Takatsugu Fujishiro ,  Hiroshi Ono ,  Toshio Koike ,  Masami Tomita ,  Yuji Arai ,  Takeshi Uchitani

IPC分类号： G03G21/00

CPC分类号： G03G21/0005

摘要： An image forming apparatus that can prevent the generation of filming with the simplest possible configuration even if a plurality of photosensitive member linear velocities are provided and the AC frequency of the charge apparatus is fixed. A charge apparatus that charges by uniformly superimposing on a photosensitive member an alternate current bias voltage with a fixed frequency over a direct current bias voltage as the charge bias voltage; an exposure apparatus that exposes the surface of the charged photosensitive member based on image data, and writes a latent image; a developing apparatus that supplies toner to and makes visible the latent image formed on the surface of the photosensitive member; a transfer apparatus that transfers the visible image on the photosensitive member to a transfer medium; and a cleaning apparatus that cleans the surface of the photosensitive member after transfer. The image forming apparatus further comprises a filming removal mode that removes filming on the surface of the photosensitive member; and the filming removal mode is selected corresponding to the plurality of photosensitive member linear velocities.

摘要翻译： 即使设置多个感光构件的线速度并且充电装置的交流频率固定，也能以尽可能简单的结构防止产生成膜的图像形成装置。 一种充电装置，通过在感光构件上以直流偏置电压作为充​​电偏置电压以固定频率均匀地叠加的充电装置; 曝光装置，其基于图像数据曝光所述充电的感光构件的表面，并写入潜像; 向感光构件的表面上形成的潜像供给调色剂并使其可见的显影装置; 将感光构件上的可见图像转印到转印介质上的转印装置; 以及在转印后清洁感光构件的表面的清洁装置。 图像形成装置还包括去除感光构件表面上的成膜的成膜去除模式; 并且对应于多个感光构件线速度选择成像去除模式。

公开(公告)号：US07925188B2

公开(公告)日：2011-04-12

申请号：US12049838

申请日：2008-03-17

申请人： Tetsuya Senoh ,  Eisaku Murakami ,  Masahiko Satoh ,  Masanori Kawasumi ,  Hideki Zemba ,  Takeshi Uchitani ,  Kenichi Taguma ,  Shunichi Hashimoto

发明人： Tetsuya Senoh ,  Eisaku Murakami ,  Masahiko Satoh ,  Masanori Kawasumi ,  Hideki Zemba ,  Takeshi Uchitani ,  Kenichi Taguma ,  Shunichi Hashimoto

IPC分类号： G03G15/08

CPC分类号： G03G15/0808 ,  G03G15/0877 ,  G03G15/0879 ,  G03G15/0893 ,  G03G2215/0838

摘要： A novel development device includes a developer roller, a developer reservoir, a rotatable conveyor, and a replenisher unit. The developer roller is configured to supply toner particles to the electrostatic latent image. The developer reservoir is configured to hold the developer therewithin for application to the developer roller. The rotatable conveyor is configured to rotate within the developer reservoir to convey the developer toward the developer roller. The replenisher unit has a tubular member terminating at a port opening in the developer reservoir. The replenisher unit is configured to direct a particulate material through the tubular member into the developer reservoir via the port. The particulate material is toner particles, carrier particles, or a mixture of toner particles and a given amount of carrier particles. The port is submerged in the developer within the developer reservoir as the rotatable conveyor rotates.

摘要翻译： 一种新颖的显影装置包括显影辊，显影剂储存器，可旋转输送机和补充单元。 显影辊构造成将调色剂颗粒供应到静电潜像。 显影剂储存器构造成将显影剂保持在其中以供显影辊使用。 旋转输送机构造成在显影剂储存器内旋转以将显影剂输送到显影辊。 补充单元具有终止于显影剂储存器中的开口处的管状构件。 补充单元构造成经由端口将颗粒材料引导通过管状构件进入显影剂储存器。 颗粒材料是调色剂颗粒，载体颗粒或调色剂颗粒和给定量的载体颗粒的混合物。 当可旋转输送机旋转时，端口被浸没在显影剂储存器内的显影剂中。

公开(公告)号：US07630659B2

公开(公告)日：2009-12-08

申请号：US11430068

申请日：2006-05-09

申请人： Takeshi Uchitani ,  Eisaku Murakami ,  Yoshiyuki Kimura ,  Masahiko Satoh ,  Masanori Kawasumi ,  Hideki Zemba ,  Eiji Shimojo ,  Shunichi Hashimoto ,  Shin Kayahara

发明人： Takeshi Uchitani ,  Eisaku Murakami ,  Yoshiyuki Kimura ,  Masahiko Satoh ,  Masanori Kawasumi ,  Hideki Zemba ,  Eiji Shimojo ,  Shunichi Hashimoto ,  Shin Kayahara

IPC分类号： G03G15/02 ,  G03G15/00

CPC分类号： G03G15/5037 ,  G03G15/0266

摘要： A method and an apparatus of controlling a charge voltage including the steps of applying, charging, detecting, and determining. The applying step applies an application voltage having a direct-current voltage and an alternating-current voltage superimposed onto the direct-current voltage to a charge-applying member to charge a charge carrier. The changing step charges the alternating-current voltage of the application voltage. The detecting step detects an alternating current flowing through the charge carrier when the charge-applying member applies the application voltage to the charge carrier. The determining step determines a value of the alternating-current voltage of the application voltage based on at least two alternating currents detected by the alternating-current detector.

摘要翻译： 一种控制充电电压的方法和装置，包括施加，充电，检测和确定的步骤。 施加步骤将具有叠加在直流电压上的直流电压和交流电压的施加电压施加到电荷施加构件以对电荷载体进行充电。 变化的步骤对施加电压的交流电压进行充电。 当充电施加部件向施加电荷施加施加电压时，检测步骤检测流过电荷载体的交流电流。 确定步骤基于由交流检测器检测到的至少两个交流电流确定施加电压的交流电压的值。

公开(公告)号：US07672605B2

公开(公告)日：2010-03-02

申请号：US11758840

申请日：2007-06-06

申请人： Shin Kayahara ,  Yoshiyuki Kimura ,  Eisaku Murakami ,  Masahiko Satoh ,  Masanori Kawasumi ,  Hideki Zemba ,  Takeshi Uchitani ,  Eiji Shimojo ,  Shunichi Hashimoto

发明人： Shin Kayahara ,  Yoshiyuki Kimura ,  Eisaku Murakami ,  Masahiko Satoh ,  Masanori Kawasumi ,  Hideki Zemba ,  Takeshi Uchitani ,  Eiji Shimojo ,  Shunichi Hashimoto

IPC分类号： G03G15/16

CPC分类号： G03G15/1685 ,  G03G15/1605 ,  G03G2215/1623

摘要： A transfer device is provided for an image forming apparatus designed such that toner images formed on a plurality of image bearing members are transferred one over another on a transfer body disposed in contact with each of the image bearing members with predetermined pressure and thus a toner image in two or more colors is formed on the transfer body. The transfer device includes a pressure varying mechanism which is capable of separating the transfer body from at least some of the image bearing members, and capable of varying transfer pressure between the image bearing members and the transfer body in contact with said image bearing members.

摘要翻译： 为图像形成装置提供转印装置，该图像形成装置被设计成使得形成在多个图像承载部件上的调色剂图像在预定压力下在与每个图像承载部件接触设置的转印体上一个接一个地转印，从而调色剂图像 在转印体上形成两种或更多种颜色。 转印装置包括压力变化机构，其能够将转印体与至少一些图像承载部件分离，并且能够改变图像承载部件和与所述图像承载部件接触的转印体之间的转印压力。

公开(公告)号：US20080008499A1

公开(公告)日：2008-01-10

申请号：US11774268

申请日：2007-07-06

申请人： Masahiko Satoh ,  Masanori Kawasumi ,  Yoshiyuki Kimura ,  Eisaku Murakami ,  Hideki Zemba ,  Takeshi Uchitani ,  Shin Kayahara ,  Shunichi Hashimoto ,  Eiji Shimojo

发明人： Masahiko Satoh ,  Masanori Kawasumi ,  Yoshiyuki Kimura ,  Eisaku Murakami ,  Hideki Zemba ,  Takeshi Uchitani ,  Shin Kayahara ,  Shunichi Hashimoto ,  Eiji Shimojo

IPC分类号： G03G15/02

CPC分类号： G03G15/0233 ,  G03G15/025 ,  G03G2215/025

摘要： A charging member, which can be provided in a process cartridge and/or in an image forming apparatus, includes a conductive supporting member, an electrical resistance control layer formed on an outer circumferential surface of the conductive supporting member, and a nonconductive gap retaining member configured to retain a gap between the conductive supporting member and an image carrying member closely disposed to each other to have a constant distance. At least a portion of the nonconductive gap retaining member is mounted on the electrical resistance control layer at both ends of the conductive supporting member, and a circumference of the nonconductive gap retaining member projects from the electrical resistance control layer. An amount of projection of the gap retaining member from the electrical resistance control layer decreases as the gap retaining member tapers in a direction toward a center of an image formation region.

摘要翻译： 可以设置在处理盒和/或图像形成装置中的充电构件包括导电支撑构件，形成在导电支撑构件的外周表面上的电阻控制层和非导电间隙保持构件 被配置为在所述导电支撑构件和彼此紧密配置的图像承载构件之间保持间隙以具有恒定的距离。 非导电间隙保持构件的至少一部分安装在导电支撑构件的两端处的电阻控制层上，并且非导电间隙保持构件的周边从电阻控制层突出。 间隙保持构件从电阻控制层的突出量随着间隙保持构件朝向图像形成区域的中心的方向逐渐变细而减小。

公开(公告)号：US07555243B2

公开(公告)日：2009-06-30

申请号：US11774268

申请日：2007-07-06

申请人： Masahiko Satoh ,  Masanori Kawasumi ,  Yoshiyuki Kimura ,  Eisaku Murakami ,  Hideki Zemba ,  Takeshi Uchitani ,  Shin Kayahara ,  Shunichi Hashimoto ,  Eiji Shimojo

发明人： Masahiko Satoh ,  Masanori Kawasumi ,  Yoshiyuki Kimura ,  Eisaku Murakami ,  Hideki Zemba ,  Takeshi Uchitani ,  Shin Kayahara ,  Shunichi Hashimoto ,  Eiji Shimojo

IPC分类号： G03G15/02

CPC分类号： G03G15/0233 ,  G03G15/025 ,  G03G2215/025

摘要： A charging member, which can be provided in a process cartridge and/or in an image forming apparatus, includes a conductive supporting member, an electrical resistance control layer formed on an outer circumferential surface of the conductive supporting member, and a nonconductive gap retaining member configured to retain a gap between the conductive supporting member and an image carrying member closely disposed to each other to have a constant distance. At least a portion of the nonconductive gap retaining member is mounted on the electrical resistance control layer at both ends of the conductive supporting member, and a circumference of the nonconductive gap retaining member projects from the electrical resistance control layer. An amount of projection of the gap retaining member from the electrical resistance control layer decreases as the gap retaining member tapers in a direction toward a center of an image formation region.

摘要翻译： 可以设置在处理盒和/或图像形成装置中的充电构件包括导电支撑构件，形成在导电支撑构件的外周表面上的电阻控制层和非导电间隙保持构件 被配置为在所述导电支撑构件和彼此紧密配置的图像承载构件之间保持间隙以具有恒定的距离。 非导电间隙保持构件的至少一部分安装在导电支撑构件的两端处的电阻控制层上，并且非导电间隙保持构件的周边从电阻控制层突出。 间隙保持构件从电阻控制层的突出量随着间隙保持构件朝向图像形成区域的中心的方向逐渐变细而减小。