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31. 发明专利

JP2003280306A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2003280306A
公开(公告)日：2003-10-02
申请号：JP2002078614
申请日：2002-03-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIURA TETSUO , IGARI SATOSHI , MIYAWAKI KATSUAKI , NAKAZATO YASUFUMI , SAITO TAKESHI , SUDA TAKEO
IPC分类号： G03G21/00 , G03G15/00
摘要： PROBLEM TO BE SOLVED: To prevent air including substance harmful to image-forming from getting into an image forming case other than the image-forming time. SOLUTION: In the image forming apparatus equipped with an image forming module 6 where an image carrier 14 and an electrophotographic image forming unit 6 forming a toner image on the image carrier 14 are housed in the image forming case 13 where nearly hermetically sealed space is formed around the image carrier 14 except an aperture for transfer 19 being a position where the toner image is transferred to a body to be transferred such as paper, a counter member 39 is positioned at an image forming position so as to open the aperture 19 when image forming operation is performed in the module 6, and the member 39 is positioned at an image-forming position so as to cover the aperture 19 and hermetically seal the case 13 other than the image-forming time. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了防止包含对图像形成有害的物质的空气进入图像形成时间以外的图像形成情况。解决方案：在装有图像形成模块6的图像形成装置中，图像载体14和形成图像载体14上的调色剂图像的电子照相图像形成单元6容纳在图像形成箱13中，其中几乎气密地形成在图像载体14周围的空间，除了用于转印孔19的调色剂图像被转印到诸如纸的被转印体上的位置之外，计数器构件39位于图像形成位置以打开孔如图19所示，当在模块6中进行图像形成操作时，并且构件39位于图像形成位置以覆盖孔19并且除了图像形成时间之外气密地密封外壳13。版权所有（C）2004，JPO

32. 发明专利

JP2007102252A Unit support device and image forming apparatus 有权
标题翻译：单元支持设备和图像形成设备
公开(公告)号：JP2007102252A
公开(公告)日：2007-04-19
申请号：JP2007011993
申请日：2007-01-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIURA TETSUO , HARADA HIROOMI
IPC分类号： G03G21/16
摘要： PROBLEM TO BE SOLVED: To provide a unit support device configured to improve operativity of replacement, maintenance inspection, etc., and to provide an image forming apparatus. SOLUTION: The unit support device is constituted to support a plurality of units, movable to a housing position and a pull-out position where the unit can be operated from the outside. The unit support device is equipped with a support means 14 for supporting the unit movably between the housing position and the pull-out position, and the support means 14 is equipped with constitution 18 for separating the units each other, in a stage where the unit is moved from the housing position toward the pull-out position. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种单元支撑装置，其被配置为提高更换，维护检查等的操作性，并提供图像形成装置。解决方案：单元支撑装置被构造成支撑多个单元，可移动到壳体位置和可从外部操作该单元的拉出位置。单元支撑装置配备有用于在壳体位置和拉出位置之间可移动地支撑单元的支撑装置14，并且支撑装置14配备有用于将单元彼此分离的构造，在该单元从壳体位置向拉出位置移动。版权所有（C）2007，JPO＆INPIT

33. 发明专利

JP2004151467A Unit support device and image forming apparatus 有权
公开(公告)号：JP2004151467A
公开(公告)日：2004-05-27
申请号：JP2002317836
申请日：2002-10-31
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIURA TETSUO
IPC分类号： G03G21/16 , H05K5/02
摘要： PROBLEM TO BE SOLVED: To provide a unit support device in a configuration capable of surely fixing and holding a unit to a housing position and also easily releasing the fixing and holding of the unit at the time of moving the unit.
SOLUTION: The unit supporting device is provided with a unit which can be pulled out, a supporting means 14 supporting the unit so as to pull it out, and a unit moving means 17 pulling out the unit by moving the supporting means 14 in a pull-out direction, and the supporting means 14 is equipped with constitution 200 realizing a holding state where the unit is prevented from being pulled out and releasing the holding of the unit by releasing the holding state so that the unit can be moved in accordance with the movement of the moving means 17.
COPYRIGHT: (C)2004,JPO

34. 发明专利

JP2003316233A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2003316233A
公开(公告)日：2003-11-07
申请号：JP2002371550
申请日：2002-12-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TAKESHI , MIURA TETSUO
IPC分类号： G03G15/01 , G03G15/08 , G03G15/16 , G03G21/16
摘要： PROBLEM TO BE SOLVED: To eliminate survival or the like of a contact trace and improve workability of maintenance and exchange only by providing simple and inexpensive contact and separation mechanism concerning a plurality of carriers. SOLUTION: A plurality of image carriers, a plurality of image making units and second image carriers are held on an image carrier holding member 41, an image making unit holding member 43 and a second image carrier holding member 41 together. These image carrier holding member 41, image making unit holding member 43 and image carrier holding member 41 can be separated by the contact and separation mechanism in each apparatus body, and only the contact and separation mechanism can be used among these holding members 41, 43 and 44 without providing the contact and separation mechanism or the like on individual image carrier and image making units, image carrier and second carrier. In addition, bad influence of the survival or the like of the contact trace can be simply avoided by always contacting between the image carrier and the image making units, and between the image carrier and the second image carrier. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了消除接触迹线的存活等，并且仅通过提供关于多个载体的简单且便宜的接触和分离机构来提高维护和交换的可操作性。解决方案：多个图像载体，多个图像制作单元和第二图像载体被保持在图像载体保持构件41，图像形成单元保持构件43和第二图像载体保持构件41上。这些图像载体保持构件41，图像形成单元保持构件43和图像载体保持构件41可以通过每个装置主体中的接触分离机构分开，并且在这些保持构件41,43中仅可以使用接触分离机构和44，而不在各个图像载体和图像制作单元，图像载体和第二载体上提供接触分离机构等。此外，通过始终接触图像载体和图像形成单元之间以及图像载体和第二图像载体之间，可以简单地避免接触迹线的存活等的不良影响。版权所有（C）2004，JPO

35. 发明专利

JP2003316105A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2003316105A
公开(公告)日：2003-11-06
申请号：JP2002371685
申请日：2002-12-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TAKESHI , MIURA TETSUO
IPC分类号： G03G15/01 , G03G21/18
CPC分类号： G03G2215/0132
摘要： PROBLEM TO BE SOLVED: To ensure improvement in maintenance and replacement work in an image forming device having a plurality of image carriers like a color image forming device of a tandem system. SOLUTION: The image carriers 3Y, 3M, 3C and 3BK are held by an image carrier holding member 41 all together so that they have play. Image forming units are held by an image forming unit holding member 43 all together. With the holding member 41 put in a specific position in a device body 2, the image carriers 3Y, 3M, 3C and 3BK are positioned to the device body 2. The image forming units are positioned to the corresponding image carriers 3Y, 3M, 3C and 3BK thus positioned. This structure eliminates the need for accuracy in mounting the units to the corresponding holding members 41 and 43, and makes it very easy for a user to perform a detaching operation without paying attention to mounting positions, etc., in maintenance or replacement work. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：确保具有多个图像载体的图像形成装置的维护和更换工作的改进，如串联系统的彩色图像形成装置。解决方案：图像载体3Y，3M，3C和3BK由图像载体保持构件41一起保持在一起，使得它们具有游隙。图像形成单元由图像形成单元保持构件43一起保持。在保持构件41处于装置主体2的特定位置的同时，图像载体3Y，3M，3C和3BK被定位在装置主体2上。图像形成单元位于相应的图像载体3Y，3M，3C 和3BK。这种结构消除了将单元安装到相应的保持构件41和43上的精度的需要，并且使得用户非常容易地进行拆卸操作而不关心在维护或更换工作中的安装位置等。版权所有（C）2004，JPO

36. 发明专利

JP2003280361A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2003280361A
公开(公告)日：2003-10-02
申请号：JP2002080089
申请日：2002-03-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KIMURA HIDEKI , MIURA TETSUO
IPC分类号： G03G9/10 , G03G15/00 , G03G15/01 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a stable image forming device which is free of an application defect by reducing abrasion of the terminal of a moving type developing device and preventing a toner from sticking on the terminal. SOLUTION: The image forming apparatus 100 is equipped with the moving type developing device which moves a developing unit 4 with a plurality of developing units 20 to a specified developing position facing a photoreceptor drum 1 common to the respective developing units 20 to develop a latent image on the photoreceptor drum 1; and the developing unit 4 is provided with a power receiving terminal 37 which moves integrally with the respective developing units 20 and a device main body 34 is provided with a supply terminal 33 for applying a voltage. This image forming apparatus 100 brings the power receiving terminal 37 and supply terminal 33 into contact with each other for electrification when each developing unit 4 is in a developing process, and a cleaning member 39 which is rubbed against the power receiving terminal 37 is provided on the movement path of the power receiving terminal 37 of the device main body 34. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提供一种稳定的图像形成装置，其通过减少移动型显影装置的端子的磨损并防止调色剂粘附在端子上而没有施加缺陷。解决方案：图像形成装置100配备有将多个显影单元20的显影单元4移动到面向各显影单元20共同的感光鼓1的指定显影位置的移动式显影装置，以显影感光鼓1上的潜像; 并且显影单元4设置有与各显影单元20一体地移动的电力接收端子37，并且设备主体34设置有用于施加电压的供给端子33。当每个显影单元4处于显影过程中时，该图像形成装置100使电力接收端子37和供电端子33彼此接触以进行充电，并且将与电力接收端子37摩擦的清洁部件39设置在设备主体34的受电端子37的移动路径。版权所有（C）2004，JPO

37. 发明专利

JP2003029545A Image forming device 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2003029545A
公开(公告)日：2003-01-31
申请号：JP2001218684
申请日：2001-07-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKAHASHI MITSURU , MIURA TETSUO
IPC分类号： G03G9/10 , G03G15/16
CPC分类号： G03G9/10 , G03G15/162 , G03G2215/0119
摘要： PROBLEM TO BE SOLVED: To provide an image forming device using an intermediate transfer body which is constituted so that magnetic carrier adhering to the intermediate transfer body is not transferred to a transfer member even when the magnetic carrier adheres to the intermediate transfer body. SOLUTION: In this image forming device equipped with a primary transfer device 62 for transferring a toner image on a photoreceptor 40 to the intermediate transfer body 10 and a secondary transfer device 22 for transferring the toner image transferred to the intermediate transfer body 10 to the transfer member P, the intermediate transfer body 10 has at least an elastic layer 12 and developer used in a developing device 61 is two-component developer, and the weight average particle size of the magnetic carrier C is within 10 to 80 μm.
摘要翻译：要解决的问题：提供一种使用中间转印体的图像形成装置，该中间转印体即使当磁性载体粘附到中间转印体上时，粘附到中间转印体的磁性载体也不转印到转印部件上。解决方案：在具有用于将感光体40上的调色剂图像转印到中间转印体10的一次转印装置62的图像形成装置和用于将转印到中间转印体10的调色剂图像转印到转印体构件P，中间转印体10至少具有弹性层12，显影装置61中使用的显影剂是双组分显影剂，磁性载体C的重均粒径在10〜80μm的范围内。

38. 发明专利

JP2011145640A Developing device, process unit, and image forming apparatus 审中-公开
标题翻译：开发设备，处理单元和图像形成装置
公开(公告)号：JP2011145640A
公开(公告)日：2011-07-28
申请号：JP2010073000
申请日：2010-03-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMIHARA KAZUAKI , OJIMI ATSUYA , YURA JUN , SUDO KAZUHISA , KOINUMA NORIYUKI , TAKAHASHI HIROAKI , SUKESAKO MASAKI , YOSHIDA TAKASHI , MIURA TETSUO , IWASAKI YUKIKO , YOTSUORI ATSUSHI , SUGIYAMA HIROYUKI
IPC分类号： G03G15/08 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide a developing device capable of effectively normally charging reverse-charged toner and weakly charged toner and increase the amount of reusable toner and realize improvement in cost reduction effect. SOLUTION: The developing device includes: a developer carrier which is arranged to face an image carrier and can carry a two-component developer constituted of a toner and a magnetic carrier; a developer transportation passage 40a circulating and transporting the two-component developer and having a developer supply section 40e for supplying the two-component developer to the developer carrier and a developer collection section 40d for collecting the two-component developer wherein the toner is consumed in a developing area between the image carrier and the developer carrier; and a removal means 44 removing the reversely charged toner and the weakly charged toner from the two-component developer. The developer transport passage 40a has a toner return port 40g for returning the reverse-charged toner and the weakly-charged toner removed by the removal means 44 to the two-component developer collected from the developer carrier. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供能够有效地正常地对反向充电的调色剂和弱充电的调色剂进行充电并增加可重复使用的调色剂的量并实现成本降低效果的提高的显影装置。解决方案：显影装置包括：显影剂载体，其布置成面对图像载体并且可以承载由调色剂和磁性载体构成的双组分显影剂; 循环和运输双组分显影剂并具有用于将二组分显影剂供应到显影剂载体的显影剂供应部分40e的显影剂输送通道40a和用于收集其中调色剂被消耗的双组分显影剂的显影剂收集部分40d 图像载体和显影剂载体之间的显影区域; 以及去除装置44，从双组分显影剂中除去带反电荷的调色剂和弱电荷的调色剂。显影剂传送通道40a具有调色剂返回端口40g，用于使由反向充电的调色剂和由去除装置44去除的弱电调色剂返回到从显影剂载体收集的双组分显影剂。版权所有（C）2011，JPO＆INPIT

39. 发明专利

JP2004151466A Unit supporting device and image forming apparatus 有权
公开(公告)号：JP2004151466A
公开(公告)日：2004-05-27
申请号：JP2002317813
申请日：2002-10-31
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIURA TETSUO
IPC分类号： G03G21/16 , H05K5/02
摘要： PROBLEM TO BE SOLVED: To provide a unit supporting device equipped in a constitution, by which the unit is surely moved to a housing position and a pull-out position and also the holding of the unit and the release of the holding at respective positions are surely performed without complicating the constitution.
SOLUTION: The unit supporting device for supporting a plurality of units movable to the housing position and the pull-out position where the unit is operated from the outside is equipped with a member 14 supporting the unit movably between the housing position and the pull-out position, a unit moving means 17 moving the unit and a driving means 100 moving the unit to the housing position and the pull-out position respectively. The driving means 100 is provided with a means 21 movable between a position where the movement of the unit is prevented before the moving means 17 is moved and a release position where the unit is moved interlocked with the movement of the moving means 17 by releasing the inhibition.
COPYRIGHT: (C)2004,JPO

40. 发明专利

JP2004151464A Unit supporting device and image forming apparatus 有权
标题翻译：单元支持设备和图像形成设备
公开(公告)号：JP2004151464A
公开(公告)日：2004-05-27
申请号：JP2002317779
申请日：2002-10-31
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIURA TETSUO , TAWADA TAKAAKI
IPC分类号： G03G21/16 , F16F15/02 , F16F15/023
摘要： PROBLEM TO BE SOLVED: To provide a unit supporting device eliminating the impact on a plurality of units ascending/descending by decreasing the speed without using large-scale in constitution.
SOLUTION: The unit supporting device is equipped with a damping device 203 decreasing the moving speed of the unit being an ascending/descending object only in the case of descending, and the device 203 eliminates the moment by using an engaging member 201C having a longitudinal direction in an ascending/descending direction and a damping part 202 engaged with the member 201C so as to reduce the load on damping, whereby the damping mechanism is miniaturized.
COPYRIGHT: (C)2004,JPO

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