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31. 发明专利

JP2011064834A Image forming device 有权
标题翻译：图像形成装置
公开(公告)号：JP2011064834A
公开(公告)日：2011-03-31
申请号：JP2009213849
申请日：2009-09-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAGUCHI DAICHI , KAI SO , HAYAKAWA NAOSHI , KOMATSU MAKOTO
IPC分类号： G03G15/08 , B65D83/06
摘要： PROBLEM TO BE SOLVED: To provide an image forming device in which a medium housing container made of a flexible material is favorably housed, and which stably demonstrates a medium delivery performance. SOLUTION: The image forming device has: the medium housing container 70 at least part of which is made of the flexible material, for housing an image forming medium inside; a tray 1 which freely moves between the maximum drawing position for an image forming device body 100 and a pushing set position, and houses the medium housing container from upward; a medium receiving part 91 which is arranged on a set position side of the tray, and coupled to a medium delivery part 71 provided in the medium housing container; and an agglomeration suppressing means 150 which moves the medium in the medium housing container to the medium delivery side by applying vibrations to the medium housing container housed in the tray occupying the set position. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其中由柔性材料制成的介质容纳容器被有利地容纳，并且稳定地显示介质输送性能。图像形成装置具有：介质容纳容器70，其至少一部分由柔性材料制成，用于在其内容纳图像形成介质; 托盘1，其在图像形成装置主体100的最大绘制位置和推动设定位置之间自由移动，并且从上方容纳介质容纳容器; 介质接收部91，其布置在托盘的设定位置侧，并且联接到设置在介质容纳容器中的介质输送部71; 以及凝集抑制装置150，其通过对容纳在位于设定位置的托盘中的介质容纳容器施加振动，将介质容纳容器中的介质移动到介质输送侧。版权所有（C）2011，JPO＆INPIT

32. 发明专利

JP2010091798A Developer carrier, developing device, process cartridge, and image forming apparatus 有权
标题翻译：开发商运营商，开发设备，流程盒和图像形成设备
公开(公告)号：JP2010091798A
公开(公告)日：2010-04-22
申请号：JP2008261723
申请日：2008-10-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HOSOKAWA HIROSHI , MIYOSHI YASUO , FUJIWARA KOUKO , KUDO TSUNEO , KAI SO
IPC分类号： G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To provide a developer carrier that satisfactorily maintains developer balance in a developing device by efficiently scraping scooped developer without adverse effect on a developing area (image area) or a developer peeling area, thereby obtaining smooth conveyance, and to provide a developing device that uses the developer carrier, and an image forming apparatus with the developing device mounted thereon. SOLUTION: The developer carrier 84 is used in the developing device 89 for visualizing an electrostatic latent image formed on an image carrier 81, and has a magnet 84a fixed inside the developer carrier 84 and a developing sleeve 84b supported on the circumference thereof so as to be rotated. In the developer carrier 84, the magnetic force of the magnet 84a is changed in the lengthwise direction thereof. The magnetic body 84C is disposed in a boundary between a position facing a developer transfer area L and a position other than the area L. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影剂载体，其通过有效地刮取舀取的显影剂而令显影剂平衡良好地保持显影剂平衡，而不会对显影区域（图像区域）或显影剂剥离区域产生不利影响，从而获得平滑的输送，并且以提供使用显影剂载体的显影装置，以及安装有显影装置的图像形成装置。解决方案：显影剂载体84用于显影装置89中，用于使形成在图像载体81上的静电潜像可视化，并且具有固定在显影剂载体84内的磁体84a和支撑在其圆周上的显影套筒84b 以便旋转。在显影剂载体84中，磁体84a的磁力沿长度方向变化。磁体84C配置在面向显影剂转印区域L的位置与除了区域L之外的位置之间的边界。（C）2010，JPO＆INPIT

33. 发明专利

JP2010049024A Developing device, process cartridge and image forming apparatus 有权
标题翻译：开发装置，过程盒和图像形成装置
公开(公告)号：JP2010049024A
公开(公告)日：2010-03-04
申请号：JP2008213213
申请日：2008-08-21
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SESHIMO TAKUYA , MIYOSHI YASUO , FUJIWARA KOUKO , KUDO TSUNEO , KAI SO
IPC分类号： G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To provide a developing device capable of reducing nonuniform density of toner in developer supplied to a developer carrier, and to provide a process cartridge and an image forming apparatus. SOLUTION: The developing device 7 includes: the developer carrier 15 that carries developer thereon; a developer supply conveyance path 19 having a developer supply conveyance member 17 that supplies developer to the developer carrier; a developer recovery conveyance path 22 having a developer recovery conveyance member 20 by which developer recovered from the developer carrier and extra developer that was not supplied to the developer carrier are transferred to the upstream side of the developer supply conveyance member; a first opening section 23 by which the downstream end of the developer recovery conveyance path and the upstream end of the developer supply conveyance path communicate; and a second opening 24 by which the downstream end of the developer supply conveyance path and the upstream end of the developer recovery conveyance path communicate. In the developing device 7, the first opening has a dispersion accelerating means 26 for accelerating dispersion of toner in developer fed toward the developer supply conveyance path via the first opening. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够减少供应给显影剂载体的显影剂中调色剂的不均匀密度的显影装置，并提供处理盒和图像形成装置。解决方案：显影装置7包括：载体上的显影剂的显影剂载体15; 显影剂供应输送路径19具有向显影剂载体供给显影剂的显影剂供给输送部件17; 具有显影剂回收输送构件20的显影剂回收输送路径22被转印到显影剂供给输送构件的上游侧，显影剂回收输送构件20通过该显影剂回收输送构件20被转印到显影剂供给输送构件的上游侧，显影剂回收输送路径的下游端和显影剂供给输送路的上游端连通的第一开口部23; 以及第二开口24，显影剂供给输送路径的下游端与显影剂回收输送路的上游端连通。在显影装置7中，第一开口具有分散加速装置26，用于加速通过第一开口向显影剂供给输送路径供给的显影剂中的调色剂的分散。版权所有（C）2010，JPO＆INPIT

34. 发明专利

JP2009151029A Developing device, process cartridge, and image forming apparatus 审中-公开
标题翻译：开发设备，过程盒和图像形成装置
公开(公告)号：JP2009151029A
公开(公告)日：2009-07-09
申请号：JP2007327855
申请日：2007-12-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIYOSHI YASUO , KIKUCHI HISASHI , KUDO TSUNEO , IWATA NOBUO , KAI SO
IPC分类号： G03G15/09 , G03G9/08 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a small-sized developing device capable of stably forming a developer layer as a thin layer by suppressing the deterioration of a two-component developer on a developer carrier, and obtaining a stable image of high image quality over a long period of time. SOLUTION: The developing device includes a developing roller 41 including a plurality of magnetic poles which supports and carries a developer 43 composed of toner and a carrier to develop an electrostatic latent image formed on a photoreceptor 1; and a doctor 42 which regulates the layer thickness of the developer supported and carried by the developing roller 41. The developing device further comprises a recovery part 52 for recovering the developer after development from the developing roller and agitating the developer while replenishing the toner as needed; and a feed part 51 for feeding the developer agitated in the recovery part to the developing roller 41. Since the position of the supply part 51 is located above the developing roller, a means for adjusting the feed quantity of the developer from the feed part to the developing roller is provided, and the doctor is disposed closer to the photoreceptor from the apex of the developing roller, the quantity of developer supported by the developing roller can be appropriately controlled. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：为了提供能够通过抑制显影剂载体上的双组分显影剂的劣化而稳定地形成显影剂层作为薄层的小尺寸显影装置，并且获得高图像的稳定图像质量很长一段时间。解决方案：显影装置包括显影辊41，其包括多个磁极，其支撑并承载由调色剂和载体构成的显影剂43，以显影形成在感光体1上的静电潜像; 以及调节由显影辊41支撑和承载的显影剂的层厚度的医生42。显影装置还包括回收部分52，用于在从显影辊显影后回收显影剂并搅拌显影剂，同时根据需要补充调色剂 ; 以及用于将在回收部中搅动的显影剂供给到显影辊41的供给部51。由于供给部51的位置位于显影辊的上方，所以用于将显影剂从供给部的供给量调整为提供了显影辊，并且将刮刀从显影辊的顶点更靠近感光体设置，可以适当地控制由显影辊支撑的显影剂的量。版权所有（C）2009，JPO＆INPIT

35. 发明专利

JP2009115845A Developing device and image forming device 有权
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2009115845A
公开(公告)日：2009-05-28
申请号：JP2007285278
申请日：2007-11-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KIKUCHI HISASHI , MIYOSHI YASUO , KUDO TSUNEO , IWATA NOBUO , KAI SO
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device and an image forming device preventing the service life of a developer carrier from being shortened while preventing malfunctions caused by dropping of developer through a clearance between a partitioning member and the developer carrier. SOLUTION: This developing device includes a partitioning plate 133 forming a supply conveyance path 9 provided with a supply screw 8 for supplying the developer to a developing roller 5 and a collection conveyance path 7 provided with a collection screw 6 for conveying the developer collected from above the developing roller 5 after passing through a section facing a photoreceptor 1. The supply conveyance path 9 is positioned above the collection conveyance path 7 across the partitioning plate 133. This developing device has a flexible sheet-like member 51 whose one end is fixed to the partitioning plate 133 and whose other end is in contact with a surface of the developing roller 5 below the fixed one end, as a developer drop preventing means for preventing the developer from dropping between a surface of the partitioning plate 133 and the surface of the developing roller 5. The sheet member 51 comes into contact with the surface of the developing roller 5 to form a trailing direction with respect to the traveling direction thereof. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种防止显影剂载体的使用寿命缩短的显影装置和图像形成装置，同时防止由于分隔构件和显影剂载体之间的间隙而使显影剂下降引起的故障。解决方案：该显影装置包括形成供给输送路径9的分隔板133，该供给输送路径9设置有用于将显影剂供给到显影辊5的供给螺杆8和具有用于输送显影剂的收集螺杆6的收集输送路径7 在通过面向感光体1的部分之后从显影辊5的上方收集。供给输送路径9跨越分隔板133位于收集输送路径7的上方。该显影装置具有柔性片状部件51，被固定到分隔板133，并且其另一端与固定的一端下方的显影辊5的表面接触，作为显影剂下降防止装置，用于防止显影剂在分隔板133的表面和显影辊5的表面。薄片构件51与显影辊5的表面接触以形成直线离子相对于其行进方向。版权所有（C）2009，JPO＆INPIT

36. 发明专利

JP2008152300A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2008152300A
公开(公告)日：2008-07-03
申请号：JP2008060729
申请日：2008-03-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAKEUCHI NOBUTAKA , KAI SO , KAWASHIMA TAKASHI , AKAFUJI MASAHIKO
IPC分类号： G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of obtaining a high-quality image of uniform density, free from roughness, by uniformly recovering the surface of a toner image formed on an image carrier stably over a long period.
SOLUTION: The image forming apparatus includes an image correcting member 9 for correcting the toner image formed on the photoreceptor drum 1, that is disposed adjacent to the photoreceptor 1, on the downstream side of a developing area, and on the upstream side of a transfer area, wherein the apparatus corrects the image by forming an electric field between the image correcting member and the photoreceptor drum. The image forming apparatus includes a means 11 for removing the toner on the image correcting member.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：为了提供能够通过在长时间内稳定地均匀地回收形成在图像载体上的调色剂图像的表面，从而获得均匀密度，无粗糙度的高质量图像的图像形成装置。解决方案：图像形成装置包括：图像校正部件9，其用于校正在感光鼓1上形成的调色剂图像，该感光鼓1邻近感光体1设置在显影区域的下游侧，上游侧的传送区域，其中该装置通过在图像校正部件和感光鼓之间形成电场来校正图像。图像形成装置包括用于去除图像校正构件上的调色剂的装置11。版权所有（C）2008，JPO＆INPIT

37. 发明专利

JP2006023784A Agent storing container and agent replenishing device using the same 审中-公开
标题翻译：代理存储容器和使用该代理商的代理商代理商
公开(公告)号：JP2006023784A
公开(公告)日：2006-01-26
申请号：JP2005287368
申请日：2005-09-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAI SO , SHOJI HISAFUMI , YASUTOMI HIROSHI , TAKEUCHI NOBUTAKA
IPC分类号： G03G15/09 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide a very uniform halftone image even in a system realizing the reduction of friction by applying a lubricant to an image carrier or an image producing device around the image carrier, and to provide an image whose trailing edge is prevented from being lost and which is excellent even in reproducibility of a horizontal line.
SOLUTION: An image forming apparatus is equipped with a development device including a development main magnetic pole for causing developer to magnetically deposit on an outer periphery of a developer carrier in a form of a magnetic brush and the image carrier facing the development device. In the image forming apparatus, the image carrier has a friction coefficient μ, which is 0.5 or below, and a flux density in a normal direction in a development area where the magnetic brush rubs on the image carrier has an attenuation factor of 40% or above.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使在通过对图像载体或图像产生装置周围的图像产生装置施加润滑剂来实现摩擦减小的系统中也提供非常均匀的半色调图像，并且提供一种图像，其后缘即使在水平线的再现性方面也被防止丢失，甚至优异。解决方案：图像形成装置配备有显影装置，显影装置包括显影主磁极，用于使显影剂以磁刷的形式磁性沉积在显影剂载体的外周上，并且图像载体面向显影装置。在图像形成装置中，图像载体的摩擦系数μ为0.5以下，磁刷在图像载体上摩擦的显影区域的法线方向的磁通密度为40％以下，以上。版权所有（C）2006，JPO＆NCIPI

38. 发明专利

JP2005316503A Image forming method and image forming apparatus 审中-公开
标题翻译：图像形成方法和图像形成装置
公开(公告)号：JP2005316503A
公开(公告)日：2005-11-10
申请号：JP2005164034
申请日：2005-06-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAI SO , ISHII YOSHIKO
IPC分类号： G03G15/09
摘要： PROBLEM TO BE SOLVED: To make developer recirculation capability within a developing device excellent without increasing the number of parts, to improve mixing and stirring capability, to avoid the deviation of toner concentration and an abnormal image such as irregularities in image density from occurring and to reduce the driving torque of the developing device.
SOLUTION: Magnetic field is generated by a magnetic field generating means such that the position of a tangential magnetic flux density peak at which a component tangential to a developer carrier exhibits a maximum value, immediately upstream of a developer regulating member in a direction in which the developer carrier is rotated, is positioned on a more upstream side in the direction in which the developer carrier is rotated than the position of a normal magnetic flux density inflection point at which a component normal to the developer carrier is zero.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了使显影装置内的显影剂再循环能力优异，而不增加部件数量，改善混合和搅拌能力，以避免调色剂浓度偏差和图像浓度不规则等异常图像并且降低显影装置的驱动扭矩。解决方案：磁场由磁场发生装置产生，使得切向磁通密度峰值的位置在该切向磁通密度峰值处与显影剂载体相切显示最大值，紧邻显影剂调节构件的方向上游其中显影剂载体旋转，位于显影剂载体旋转方向的更上游侧，而不是垂直于显影剂载体的成分为零的正常磁通密度拐点的位置。版权所有（C）2006，JPO＆NCIPI

39. 发明专利

JP2003021969A Developing device and image forming device 审中-公开
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2003021969A
公开(公告)日：2003-01-24
申请号：JP2001205126
申请日：2001-07-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MIYOSHI YASUO , KAI SO
IPC分类号： G03G9/10 , G03G15/04 , G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To reduce edge effect, at the same time, prevent image defects such as rough image and image omission on the rear end, and improve image quality. SOLUTION: In the use of two-component developer having carrier with an average particle diameter of 50 μm or less, assuming that D=[Br×(dBr/dr)+ Bθ×(dBθ/dr)], the value of |D| is equal to or higher than 2 on a sleeve surface near the entrance of a developing nip.
摘要翻译：要解决的问题：为了减少边缘效应，同时防止后端的图像粗糙和图像遗漏等图像缺陷，提高图像质量。解决方案：使用具有平均粒径为50μm以下的载体的双组分显影剂，假定D = [Br×（dBr / dr）+Bθ×（dBθ/ dr）]]，| D | 在显影压区的入口附近的套筒表面上等于或高于2。

40. 发明专利

JP2014013375A Powder storage container and image forming apparatus 有权
标题翻译：粉末储存容器和图像形成装置
公开(公告)号：JP2014013375A
公开(公告)日：2014-01-23
申请号：JP2013104009
申请日：2013-05-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MATSUMOTO JUNICHI , KAI SO , HOSOKAWA HIROSHI , KOMATSU MAKOTO , HAYAKAWA NAOSHI , OZAWA YUZURU
IPC分类号： G03G15/08 , G03G21/16
CPC分类号： G03G15/0839 , G03G15/0865 , G03G15/0877 , G03G15/0879 , G03G15/0886 , G03G15/0889
摘要： PROBLEM TO BE SOLVED: To provide a powder storage container having a new structure that stabilizes its position when the container is attached, and stabilizes toner discharge and conveyance by enabling secure discharge of powder out of a container while preventing leak and scatter of powder stored in the container.SOLUTION: A powder storage container has a powder outlet part 139 that guides a conveyance tube 162 below an outlet, the conveyance tube 162 being arranged below a container body 138 and provided for a powder supply device 160 so as to convey powder, discharged from the outlet 138a of the container body, toward an image forming apparatus body. The powder outlet part 139 has a container opening/closing member 140, a container side pressing member 142, and a container opening/closing member support part 139f. The powder outlet part 139 has a step part 138g and an end part 138h, which come into contact with a first contact face 501a and a second contact face 501b, respectively, which are provided on a container receiving member 501, by the resilience of the container pressing member 142 when the powder storage container 38 is attached to the powder supply device 160.
摘要翻译：要解决的问题：提供一种具有新的结构的粉末储存容器，其在安装容器时使其位置稳定，并且通过使粉末能够从容器中的确保排出而稳定调色剂排出和输送，同时防止存储在容器中的粉末的泄漏和散落容器。解决方案：粉末存储容器具有将输送管162引导到出口下方的粉末出口部分139，输送管162布置在容器主体138的下方并设置用于粉末供给装置160以输送粉末，从容器主体的出口138a排出朝向图像形成装置主体。粉末出口部139具有容器开闭部件140，容器侧按压部件142以及容器开闭部件支撑部139f。粉末出口部139具有阶梯部138g和端部138h，该台阶部138g和端部138h分别与第一接触面501a和第二接触面501b接触，第一接触面501a和第二接触面501b设置在容器接收部件501上，当粉末存储容器38附接到粉末供应装置160时的容器按压构件142。

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