专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明专利

JP2013195785A Developing device, image forming apparatus and process unit 审中-公开
标题翻译：开发设备，图像形成装置和处理单元
公开(公告)号：JP2013195785A
公开(公告)日：2013-09-30
申请号：JP2012063768
申请日：2012-03-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KOINUMA NORIYUKI , TAKAHASHI TOMOKO , YOSHINAMI HIDEKI , TAMURA HIROOMI , SUZUKI HIROKATSU , ISHIBASHI MIKIO , NAKAGAWA YOSHINORI , ISHII YASUYUKI , YOSHIDA TAKASHI
IPC分类号： G03G15/08 , G03G15/00 , G03G15/06
摘要： PROBLEM TO BE SOLVED: To provide a developing device which can stably carry a desired amount of developer on the surface of a developer carrier and suppress variation in image density even if the developing device is driven for a long time.SOLUTION: There is provided a developing device which comprises: a developer carrier 42 which conveys a developer to a developing area facing a latent image carrier 2 to supply the developer to the latent image carrier 2 by rotating the developer carrier in a state where the developer is carried on the surface of regular recesses and protrusions 42a and 42b; a regulating member 45 which comes into contact with the surface of the rotating develop@er carrier to regulate the amount of the developer toward the developing area; and development bias applying means 142 for applying an alternating voltage to the developer carrier 42. The alternating voltage is obtained by superimposing a DC bias and an AC bias, the development bias applying means 142 increases the DC bias value and reduces the amplitude of the AC bias according to the driving time of the developing device.
摘要翻译：要解决的问题：提供一种能够在显影剂载体的表面上稳定地携带所需量的显影剂的显影装置，并且即使显影装置长时间被驱动，也抑制图像浓度的变化。解决方案：提供了一种显影装置，其包括：显影剂载体42，其将显影剂输送到面向潜像载体2的显影区域，以通过在显影剂承载在潜像载体2的表面上的状态下转动显影剂载体来将显影剂供应到潜像载体2 规则的凹凸42a和42b; 调节构件45，其与旋转显影剂载体的表面接触以调节显影剂朝向显影区域的量; 以及用于向显影剂载体42施加交流电压的显影偏压施加装置142.通过叠加DC偏压和AC偏压获得交流电压，显影偏压施加装置142增加DC偏置值并降低AC的幅度根据显影装置的驱动时间偏差。

22. 发明专利

JP2013195540A Developing device, image forming apparatus and process unit 审中-公开
标题翻译：开发设备，图像形成装置和处理单元
公开(公告)号：JP2013195540A
公开(公告)日：2013-09-30
申请号：JP2012060760
申请日：2012-03-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKAHASHI TOMOKO , ISHII YASUYUKI , SUZUKI HIROKATSU , TAMURA HIROOMI , YOSHIDA TAKASHI , KOINUMA NORIYUKI , YOSHINAMI HIDEKI , NAKAGAWA YOSHINORI , ISHIBASHI MIKIO
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To enable efficiently discharge of the accumulated developer.SOLUTION: There is provided a developing device which comprises: a developing roller 42 which forms a latent image by attaching toner T to the latent image of a photoreceptor 2; a supply roller which comes into contact with the developing roller 42 to supply the toner to the developing roller 42; and a motor for rotationally driving the developing roller 42 and the supply roller 44, and the developing roller 42 moves from above to below in the direction of gravitational force (arrow B direction) and the supply roller 44 moves from below to above in the direction of gravitational force (arrow C direction) at a part β where the developing roller 42 and the supply roller 44 come in contact with each other during the operation to attach the toner T to the photoreceptor 2. The supply roller 44 is driven in a direction opposite to the moving direction (arrow C direction).
摘要翻译：要解决的问题：能够有效地排出积聚的显影剂。解决方案：提供一种显影装置，其包括：显影辊42，其通过将调色剂T附着到感光体2的潜像上形成潜像; 与显影辊42接触以将调色剂供给到显影辊42的供应辊; 以及用于旋转地驱动显影辊42和供给辊44的电动机，并且显影辊42在重力方向（箭头B方向）从上方向下移动到下方，并且供给辊44从下方移动到上述方向的重力（箭头C方向）; 在将调色剂T附着到感光体2的操作期间，显影辊42和供给辊44相互接触。供给辊44沿与移动方向（箭头C方向）相反的方向被驱动。

23. 发明专利

JP2013044866A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2013044866A
公开(公告)日：2013-03-04
申请号：JP2011181447
申请日：2011-08-23
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI HIROKATSU , TAMURA HIROOMI , YOSHIDA TAKASHI , ISHIKAKE SATORU , BISAIJI TAKASHI
IPC分类号： G03G15/01 , G03G15/20 , G03G15/22
摘要： PROBLEM TO BE SOLVED: To suppress deformation of a chromatic toner image upon fixing a transparent toner layer to a recording sheet.SOLUTION: After a full-color toner image formed on an intermediate transfer belt 8 by an electrophotographic process is transferred onto a recording sheet and fixed by a fixing device 20, a transparent toner layer is formed in a given region on the recording sheet by a transparent toner layer forming unit 100. The transparent toner layer forming unit 100 forms a transparent toner layer consisting of a transparent toner essentially comprising a pressure-plastic resin. A fixing means to fix the transparent toner layer to the recording layer comprises a pressurizing fixing roller pair 195 that pressurizes the transparent toner layer without heating it.
摘要翻译：要解决的问题：在将透明调色剂层固定到记录片材上时，抑制彩色调色剂图像的变形。解决方案：将通过电子照相方法在中间转印带8上形成的全色调色剂图像转印到记录纸上并由定影装置20固定时，在记录上的给定区域中形成透明调色剂层透明调色剂层形成单元100形成由基本上包含压塑树脂的透明调色剂组成的透明调色剂层。将透明调色剂层固定到记录层的固定装置包括加压定影辊对195，其对透明调色剂层加压而不加热。版权所有（C）2013，JPO＆INPIT

24. 发明专利

JP2013015664A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2013015664A
公开(公告)日：2013-01-24
申请号：JP2011148206
申请日：2011-07-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAMURA HIROOMI , ISHIKAKE SATORU , SUZUKI HIROKATSU , YOSHIDA TAKASHI , BISAIJI TAKASHI
IPC分类号： G03G15/01 , G03G15/00 , G03G15/16 , G03G15/20
CPC分类号： G03G15/2021 , G03G2215/0129 , G03G2215/0141 , G03G2215/1661 , G03G2221/0005
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus preventing an excessive increase in size, an increase in weight and an increase in a manufacturing cost and having superior fixing stability, color reproducibility, a superior cleaning property of an image carrier and a superior energy saving property in the image forming apparatus capable of forming monochrome images and multicolor images.SOLUTION: A pressure-induced phase transition resin toner Bk is used for a black toner used when forming monochrome images. A heat fixing nip part is provided in the upstream side in a recording medium conveying direction of fixing means and a pressure fixing nip part is provided in the downstream side thereof. Image forming units 8Y, 8M, and 8C for forming a thermoplastic resin toner image are continuously provided along the surface of the upper part of an intermediate transfer body 4 from the moving-direction upstream side of the intermediate transfer body 4. An image forming unit 8Bk for forming a pressure-induced phase transition resin toner image is continuously provided in the moving-direction lowermost stream side of the intermediate transfer body 4. A photoreceptor cleaning device Bk provided in the image forming unit 8Bk has a cleaning blush.
摘要翻译：要解决的问题：提供一种图像形成装置，其防止尺寸过度增加，重量增加和制造成本增加，并且具有优异的定影稳定性，颜色再现性，图像载体的优异的清洁性能和在能够形成单色图像和多色图像的图像形成装置中具有优异的节能特性。解决方案：压力诱导相变树脂调色剂Bk用于形成单色图像时使用的黑色调色剂。在定影装置的记录介质传送方向的上游侧设置有热定影夹持部，并且在其下游侧设置有压力定影夹持部。从中间转印体4的移动方向上游侧沿着中间转印体4的上部的表面连续地形成用于形成热塑性树脂调色剂图像的图像形成单元8Y，8M和8C。图像形成单元 8Bk用于形成压力感应相变树脂调色剂图像，连续地设置在中间转印体4的移动方向最下面的流侧。设置在图像形成单元8Bk中的感光体清洁装置Bk具有清洁脸红。版权所有（C）2013，JPO＆INPIT

25. 发明专利

JP2012141503A Image forming device 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2012141503A
公开(公告)日：2012-07-26
申请号：JP2011000682
申请日：2011-01-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHINAMI HIDEKI , YOSHIDA TAKASHI , TAKAHASHI TOMOKO , KOINUMA NORIYUKI , NAKAGAWA YOSHINORI , OZAKI NAOYUKI , KANAYA HIDEAKI , HASHIMOTO SHUNICHI , KAYAHARA SHIN
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide an image forming device performing an image formation without being limited to liquid development by avoiding image disturbance, an increase in power consumption and time required for fixing due to drying, an influence on an inner member and an abnormal image due to the influence thereon, which are caused by a use of fixing solution, while achieving reduction in power consumption required for heating during the fixing by causing toner to be an appropriate state for the fixing to a recording medium by using the fixing solution.SOLUTION: An image forming device uses: means 41 applying fixing solution for causing toner to be an appropriate state for fixing to a medium S by swelling and softening the toner to the medium S not having been toner-carried; means 5 scattering the toner on an image carrier 11 on the medium S having been applied with the fixing solution by the means 41 so as to transfer the toner such that the toner is brought into contact with the fixing solution on the medium S; means 40 pressurizing the toner having been transferred by the means 5 and the fixing solution so as to infiltrate mutual toner with the fixing solution; and means 6 heating the toner and the fixing solution on the medium S, both of which have been pressurized by the means 40, so as to fix the toner to the medium S by causing the toner to be in a state as described above.
摘要翻译：要解决的问题：为了提供一种图像形成装置，其不受液体显影的限制，即避免图像干扰，增加功耗和由于干燥而固定所需的时间，对内部构件的影响和由于使用定影液引起的对其的影响的异常图像，同时通过使用定影使得调色剂成为用于固定到记录介质的适当状态来降低在定影期间加热所需的功率消耗解。解决方案：图像形成装置使用：装置41，通过将调色剂溶胀并软化成未被调色剂携带的介质S，施加定影液，使调色剂成为适合状态以固定到介质S; 装置5将已经通过装置41施加了定影液的介质S上的图像载体11上的调色剂散射，以便转印调色剂，使得调色剂与介质S上的定影液接触; 装置40对通过装置5和定影液转印的调色剂进行加压，以便用定影液渗透相互调色剂; 以及装置6加热介质S上的调色剂和定影液，两者均被装置40加压，以便通过使调色剂处于上述状态将调色剂固定在介质S上。版权所有（C）2012，JPO＆INPIT

26. 发明专利

JP2011180498A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2011180498A
公开(公告)日：2011-09-15
申请号：JP2010046443
申请日：2010-03-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA TAKASHI , KANAYA HIDEAKI , TAKAHASHI TOMOKO , KOINUMA NORIYUKI , HASHIMOTO SHUNICHI , MAEDA HIROAKI , OZAKI NAOYUKI , NAKAGAWA ETSUNORI , UNO MUGIJIRO , YOSHINAMI HIDEKI , ISHIBASHI MIKIO
IPC分类号： G03G15/16 , G03G15/01 , G03G21/00 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To prevent reverse transfer of a black toner image due to discharge in secondary transfer of a color image, in an image forming device including an independent monochrome image unit that facilitates recycling of black toner. SOLUTION: The image forming device includes: an intermediate transfer body on which a toner image is multi-transferred; a plurality of color image forming units disposed in parallel on the periphery of the image transfer body and forming toner images different in color on the inter mediate transfer body; a secondary transfer device which transfers composite color image on the intermediate transfer body to a recording medium; and a monochrome image forming unit which transfers to the recording medium the black toner image provided upstream of the recording medium conveyance path from the secondary transfer device. The image forming device further includes a re-charging means charging the black toner downstream of the recording medium conveyance path from the transfer position of the monochrome image forming unit and upstream of the recording medium conveyance path of the secondary transfer position by a secondary transfer device. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了防止在彩色图像的二次转印中由于放电而导致的黑色调色剂图像的反向转印，在包括便于黑色调色剂再循环的独立单色图像单元的图像形成装置中。解决方案：图像形成装置包括：中间转印体，调色剂图像在其上多次转印; 多个彩色图像形成单元，其平行设置在图像转印体的周边上，并且在中间转印体上形成不同颜色的调色剂图像; 将中间转印体上的复合彩色图像转印到记录介质上的二次转印装置; 以及单色图像形成单元，其从二次转印装置向记录介质传送设置在记录介质输送路径上游的黑色调色剂图像。图像形成装置还包括从双色图像形成单元的转印位置和二次转印位置的记录介质输送路径的上游向记录介质输送路径下游的黑色调色剂充电的再充电装置，。版权所有（C）2011，JPO＆INPIT

27. 发明专利

JP2011085906A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2011085906A
公开(公告)日：2011-04-28
申请号：JP2010185536
申请日：2010-08-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAGAWA YOSHINORI , ISHIBASHI MIKIO , YOSHINAMI HIDEKI , KOINUMA NORIYUKI , TAKAHASHI TOMOKO , UNO MUGIJIRO , HASHIMOTO SHUNICHI , MAEDA HIROAKI , OZAKI NAOYUKI , YOSHIDA TAKASHI , KANAYA HIDEAKI
IPC分类号： G03G15/01 , G03G15/00 , G03G15/16 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for easily attaining operation in monochrome mode and full-color mode, and quickly forming clear images.
SOLUTION: The image forming apparatus includes: an intermediate transfer belt 11 which is switched between a first state where toner images transferred to latent image carriers 60Y-60B can be secondarily transferred to a recording material P by using a rear secondary transfer roller 66, and a second state where the intermediate transfer belt is separated from one latent image carrier 60B and the rear secondary transfer roller 66; an intermediate transfer roller 200 which is switched between a transfer position facing the one latent image carrier 60B and a position separated from the transfer position; a front transfer roller 204 which is switched between a position where the toner image on the intermediate transfer roller 200 is transferred to the recording material and a position where the front transfer roller is separated from the transfer position; and a controller 500 which changes a state of the intermediate transfer belt 11, a primary transfer position P31 of the intermediate transfer roller 200, and a secondary transfer position u1 of the front transfer roller 204.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于在单色模式和全色模式下容易获得操作的图像形成装置，并且快速形成清晰的图像。图像形成装置包括：中间转印带11，其在转印到潜像载体60Y-60B的调色剂图像可以通过使用后部二次转印辊二次转印到记录材料P的第一状态之间切换 66和第二状态，其中中间转印带与一个潜像载体60B和后二次转印辊66分离; 中间转印辊200，其在面对一个潜像载体60B的转印位置与从转印位置分离的位置之间切换; 在中间转印辊200上的调色剂图像被转印到记录材料的位置和前转印辊与转印位置分离的位置之间切换的前转印辊204; 以及改变中间转印带11的状态，中间转印辊200的一次转印位置P31和前转印辊204的二次转印位置u1的控制器500。（C）2011， JPO＆INPIT

28. 发明专利

JP2010210689A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2010210689A
公开(公告)日：2010-09-24
申请号：JP2009053924
申请日：2009-03-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA TAKASHI , ENOKI SHIGEKAZU , SUGANUMA TAKUYA , NAKAGAWA YOSHINORI , KUROKAWA ATSUSHI , KADOTA ICHIRO , OZAKI NAOYUKI , ATARI HIROKI , SUGIYAMA HIROYUKI , SUDO KAZUHISA , KAWASUMI MASANORI , NAKAI HIROSHI , KAYAHARA SHIN , TANAKA HIDEKI
IPC分类号： G03G21/00 , B41J2/44 , G03G15/02 , G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which can reduce the load of exchange for a latent image carrier coating film without enlarging the image forming apparatus in a configuration wrapping the latent image carrier coating film onto a surface of the latent image carrier more on the upstream side in the moving direction of the surface of the latent image carrier than a toner image forming position. SOLUTION: A copying machine 500 has the coating film F configured in an endless loop state so that the coating film F which is the latent image carrier coating film that is separated from the surface of a photoreceptor 10 which is the latent image carrier can be wrapped around the surface of the photoreceptor 10 again. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种图像形成装置，其可以在将潜像载体涂膜包覆在潜在的载体涂膜的表面上的结构中，而不会扩大图像形成装置，从而降低潜像载体涂膜的交换负荷图像载体更多地位于潜像载体的表面的移动方向上的上游侧，而不是调色剂图像形成位置。解决方案：复印机500具有以无限循环状态配置的涂膜F，使得作为潜像载体涂膜的涂膜F与作为潜像载体的感光体10的表面分离可以再次缠绕在感光体10的表面上。版权所有（C）2010，JPO＆INPIT

29. 发明专利

JP2010204311A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2010204311A
公开(公告)日：2010-09-16
申请号：JP2009048654
申请日：2009-03-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAGAWA YOSHINORI , ENOKI SHIGEKAZU , SUGANUMA TAKUYA , YOSHIDA TAKASHI , SUDO KAZUHISA , KAWASUMI MASANORI , KUROKAWA ATSUSHI , KAYAHARA SHIN , KADOTA ICHIRO , OZAKI NAOYUKI , NAKAI HIROSHI , ATARI HIROKI , SUGIYAMA HIROYUKI , TANAKA HIDEKI
IPC分类号： G03G15/05
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that prevents generation of wrinkles of a latent-image carrier-covering film on the surface of a latent image carrier, by configuring so that the latent-image carrier-covering film covers the surface of the latent image carrier, at least in a toner-image forming position. SOLUTION: The image forming apparatus has a covering-film supply roller 81 as a covering-film close contact means for bringing a covering film F into close contact with the surface of a photoreceptor 10, which is the latent image carrier, with the covering-film supply roller being formed from a roller member of the so-called "drum" shape, the outside diameter of which continuously increases toward the middle of the roller from both ends thereof and is used for extending the covering film F before it reaches a covering-film supply position on the photoreceptor 10. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其通过将潜像载体覆盖膜覆盖的构造来防止潜像载体覆盖膜在潜像载体的表面上产生皱纹至少在调色剂图像形成位置中的潜像载体的表面。解决方案：图像形成装置具有覆盖膜供给辊81作为覆盖膜紧密接触装置，用于使覆盖膜F与作为潜像载体的感光体10的表面紧密接触，覆盖膜供给辊由所谓的“鼓”形状的辊构件形成，其外径从其两端向辊的中间连续增加，并且用于在其之前延伸覆盖膜F 达到感光体10上的覆盖膜供应位置。版权所有（C）2010，JPO＆INPIT

30. 发明专利

JP2010122406A Developing device, process cartridge, and image forming apparatus 有权
标题翻译：开发设备，过程盒和图像形成装置
公开(公告)号：JP2010122406A
公开(公告)日：2010-06-03
申请号：JP2008295081
申请日：2008-11-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KADOTA ICHIRO , SUDO KAZUHISA , YOSHIDA TAKASHI , OZAKI NAOYUKI , SUGANUMA TAKUYA , KAYAHARA SHIN , NAKAGAWA YOSHINORI , KUROKAWA ATSUSHI , YAMASHITA MASAHIDE , ENOKI SHIGEKAZU , KAWASUMI MASANORI , KOINUMA NORIYUKI , OJIMI ATSUYA , YURA JUN , TAKAHASHI HIROAKI , SUKESAKO MASAKI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device, a process cartridge, and an image forming apparatus reducing background fogging or uneven density on an output image or toner scattering by sufficiently agitating and mixing the toner to developer in a circulation path of the developer. SOLUTION: The developing device includes, as a developer carrying means in a second developer carrying part 54Y disposed to face a first developer carrying part 53Y across a partition member 59Y, a second carrying screw 56Y with a screw part formed on its shaft part, which is rotated in a predetermined direction; and a rotary member 57Y arranged adjacent to the second carrying screw 56Y and having a projection part protruding to the shaft part of the second carrying screw 56Y to overlap the screw part thereof when viewed in the rotating axial direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，处理盒和图像形成装置，通过在色调剂的循环路径中充分搅拌和混合调色剂到显影剂，减少输出图像上的背景雾化或不均匀的浓度开发商解决方案：显影装置包括作为显影剂承载装置的第二显影剂承载部分54Y，第二显影剂承载部分54Y设置成跨过分隔部件59Y与第一显影剂承载部分53Y相对;第二输送螺杆56Y，其螺纹部分形成在其轴上部分，其沿预定方向旋转; 以及与第二输送螺杆56Y相邻配置的旋转部件57Y，具有突出部，该突出部从第二输送螺杆56Y的轴部突出，与旋转轴方向的螺纹部重叠。版权所有（C）2010，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式