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1. 发明专利

JP2014238441A 現像装置、プロセスカートリッジ、画像形成装置、及び、トナー収容装置审中-公开
标题翻译：开发设备，处理盒，图像形成装置和调色剂存储装置
公开(公告)号：JP2014238441A
公开(公告)日：2014-12-18
申请号：JP2013119671
申请日：2013-06-06
申请人：株式会社リコー , Ricoh Co Ltd
发明人： TERAI JUNICHI , MABUCHI HIROYUKI , OTOME YUKIO , OYOSHI HIROFUMI , YAMAZAKI KOICHI , KIKUCHI YUTAKA
IPC分类号： G03G15/08
摘要：【課題】グリス等の潤滑剤を用いることなく、回転部材の軸部とシール部材との摺動による発熱によってトナー固着が発生する不具合が軽減される、現像装置、プロセスカートリッジ、画像形成装置、及び、トナー収容装置を提供する。【解決手段】パドルローラ83(回転部材)の軸部83bが挿通される貫通穴部において第1Gシール98(シール部材)に対して装置外部に近い位置に形成される空間Xの圧力が装置内部の圧力よりも大きくなるようにして、パドルローラ83の軸部83bの外周面にその空間Xと装置内部とを連通させるための溝部83b1(連通部)を形成している。【選択図】図3
摘要翻译：要解决的问题：提供一种显影装置，其在不使用润滑剂等润滑剂的情况下，使密封部件与旋转部件的轴部滑动接触而产生热量的问题，导致发生的调色剂附着力; 处理盒，图像形成装置; 和调色剂存储装置。解决方案：在一个通孔中，一个叶轮83（转动件）的一个轴部分83b被插入到该通孔的内侧，该滚轮83的轴部分83b具有一个槽部分83b1 ）形成在外周面上，以使装置的内部相对于第一G密封件98（密封构件）与形成在装置的外部的位置处形成的空间X连通，使得空间X的压力比设备内部的压力大。

2. 发明专利

JP2014081405A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2014081405A
公开(公告)日：2014-05-08
申请号：JP2012227201
申请日：2012-10-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAZAKI KOICHI , MABUCHI HIROYUKI , TERAI JUNICHI , OTOME YUKIO , KIKUCHI YUTAKA
IPC分类号： G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To collect carrier deposited on a photoreceptor regardless of the operation state of an image forming apparatus.SOLUTION: An image forming apparatus includes: a developing roller 5 having a developing sleeve 81 which rotates with two-component developer to be supplied to a photoreceptor 1 carried on a surface, and a magnet roller 82 included in the developing sleeve 81 and having a plurality of magnetic poles; and a carrier collection roller 13 having a carrier collection sleeve 90 which rotates with the carrier deposited on the photoreceptor 1 carried on a surface, and a carrier collection magnet roller 91 fixed so as to be contained in the carrier collection sleeve 90 and having a plurality of magnetic poles, at least. The magnet roller 82 includes: a developing apparatus 4 which is rotatably disposed so that the magnetic poles sequentially pass through a position facing the carrier collection sleeve 90; and bias application means for applying a bias to the carrier collection sleeve 90. The bias application means changes a bias to be applied to the carrier collection sleeve 90 at a predetermined timing.
摘要翻译：要解决的问题：收集沉积在感光体上的载体，而不管图像形成装置的操作状态如何。图像形成装置包括：显影辊5，具有显影套筒81，显影套筒81与要供应的双组分显影剂一起旋转表面上承载的感光体1和包括在显影套筒81中并具有多个磁极的磁辊82; 以及载体收集辊13，其具有与承载在表面上的感光体1上沉积的载体一起旋转的载体收集套筒90和固定在载体收集套筒90中并具有多个的载体收集磁性辊91 的磁极，至少。磁辊82包括：显影装置4，其被可旋转地设置成使得磁极顺序地通过面向载体收集套筒90的位置; 以及偏压施加装置，用于向载体收集套管90施加偏压。偏压施加装置在预定的时间改变施加到载体收集套筒90的偏压。

3. 发明专利

JP2013218112A Development device and image formation device 审中-公开
标题翻译：发展装置和图像形成装置
公开(公告)号：JP2013218112A
公开(公告)日：2013-10-24
申请号：JP2012088689
申请日：2012-04-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MATSUE NATSUMI , TERAI JUNICHI , MIKUNIYA KENTARO
IPC分类号： G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To provide a development device that can keep a charge amount not inducing reduction in transfer efficiency or degradation of granularity when eliminating an edge effect by use of a non-resistance carrier.SOLUTION: In a development device 4 including a rotatable magnet roller 82 provided in a developer carrier 5 and provided with a plurality of magnets arranged on a surface, as developer for use herein, two-component developer is used that contains toner and a carrier to be conveyed in a state of being napped in a developer carrier 5 and magnetic napping being formed, and the number of turns of the magnetic napping formed in the developer rotating during a period of time until the developer is conveyed to a development area since the developer has been supplied to the developer carrier 5 is set such that electric resistance LogR(Ωcm) of the carrier is equal to or less than 11.0 and a charge amount in the development area where the magnetic napping of the developer faces a latent image carrier 5 is -30μC/g.
摘要翻译：要解决的问题：提供一种显影装置，其可以通过使用非电阻载体来消除边缘效应，从而保持不会导致转印效率降低或粒度劣化的电荷量。解决方案：在包括可旋转的设置在显影剂载体5中并且设置有布置在表面上的多个磁体的磁性辊82作为本文使用的显影剂，使用双组分显影剂，其包含调色剂和载体，以便在被起绒的状态下被传送形成显影剂载体5和磁性起绒，并且在显影剂已经供应到显影剂载体5上之后，直到显影剂被输送到显影区域的时间段内在显影剂中旋转的显影剂的匝数被设置使得载体的电阻LogR（＆OHgr; cm）等于或小于11.0，并且在开发区域的电荷量潜像面对潜像载体5为-30μC/ g。

4. 发明专利

JP2012118429A Image forming method 有权
标题翻译：图像形成方法
公开(公告)号：JP2012118429A
公开(公告)日：2012-06-21
申请号：JP2010270000
申请日：2010-12-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IWATSUKI HITOSHI , TANIGUCHI SHIGENORI , SAWADA TOYOSHI , HIGASHIMATSU HIROSHI , TANO TOYOAKI , TAKII MARIKO , MABUCHI HIROYUKI , TERAI JUNICHI , KATO KOICHI
IPC分类号： G03G9/113 , G03G15/08 , G03G15/09
摘要： PROBLEM TO BE SOLVED: To provide a developing device having a structure in which a developer may be securely recovered over a long period of time, by making it easy for a developer to be separated from a developer carrier.SOLUTION: In an image forming method using a developing device which comprises a developer carrier for supplying a two-component developer including toner and a carrier to an electrostatic latent image formed on an image carrier and in which rotatable magnetic field generating means provided with magnetic poles for napping and conveying a developer is disposed inside the developer carrier, the carrier has a core material and a coating film for coating the core material and the surface is coated with the coating film. The coating film includes a binder resin and particles and has an average height difference of 0.05 μm or more and 2.0 μm or less. The ratio of the average particle diameter of the particles to the average film thickness of the coating film is 0.01 or more and 1.0 or less.
摘要翻译：要解决的问题：提供一种具有结构的显影装置，其中显影剂可以长时间可靠地回收，通过使显影剂容易与显影剂载体分离。解决方案：在使用显影装置的图像形成方法中，该显影装置包括显影剂载体，用于将包含调色剂和载体的双组分显影剂供应到形成在图像载体上的静电潜像，并且其中设置有可旋转的磁场产生装置在显影剂载体内部设置用于起绒和输送显影剂的磁极，载体具有芯材和用于涂覆芯材的涂膜，并且表面涂覆有涂膜。涂膜包括粘合剂树脂和颗粒，并且具有0.05μm以上且2.0μm以下的平均高度差。粒子的平均粒径与涂膜的平均膜厚的比例为0.01以上且1.0以下。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012118400A Image formation apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2012118400A
公开(公告)日：2012-06-21
申请号：JP2010269630
申请日：2010-12-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TERAI JUNICHI , GOTO HIROYUKI , ENOMOTO KOJI , YOSHIHARA MAYUMI , IKEGAMI TAKAAKI , KATO KOICHI , MIKUNIYA KENTARO
IPC分类号： G03G15/00 , G03G5/00 , G03G5/10 , G03G9/10 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image formation apparatus which can reduce heat generation of a substrate of a photoreceptor drum due to induction heating.SOLUTION: An image formation apparatus includes: a photoreceptor drum with a photosensitive layer formed on a cylindrical substrate; latent image formation means for forming a latent image on the photoreceptor drum; development means that has a developer carrier comprising a developing sleeve for carrying two-component developer composed of toner and carrier and magnetic field generating means rotatably included in the developing sleeve and having plural magnetic poles and that develops a latent image on the photoreceptor drum, and electrical resistivity of the substrate is higher than 2.65×10[Ω cm].
摘要翻译：要解决的问题：提供一种能够减少由感应加热引起的感光鼓的基板的发热的图像形成装置。解决方案：图像形成装置包括：感光鼓，其具有形成在圆柱形基板上的感光层; 用于在感光鼓上形成潜像的潜像形成装置; 显影装置包括显影剂载体，其包括用于承载由调色剂和载体组成的双组分显影剂的显影套筒和可旋转地包含在显影套筒中并且具有多个磁极并且在感光鼓上显影潜像的磁场产生装置，衬底的电阻率高于2.65×10 -6Ω/□。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2009086219A Toner supply device and image forming apparatus 有权
标题翻译：调色剂供应装置和图像形成装置
公开(公告)号：JP2009086219A
公开(公告)日：2009-04-23
申请号：JP2007254875
申请日：2007-09-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UTSUNOMIYA KOICHI , KATO KOICHI , TERAI JUNICHI , TSUDA KIYONORI , KITA EMI , YOSHIDA SATORU , OSHIKAWA TAKEKI
IPC分类号： G03G15/08 , B65D83/06
摘要： PROBLEM TO BE SOLVED: To provide a toner supply device reliably opening and closing a shutter member and preventing toner from being scattered from the device, and to provide an image forming apparatus including the toner supply device. SOLUTION: The toner supply device 100 includes: a case 101 for storing the toner; a toner transport path t1 for transporting toner; a shutter 105 movable between a closed position to close the toner transport path t1 by being inserted in an insertion opening 109 in the side face of the case 101 and an open position; and a seal 106 for filling a gap between the inner wall of the insertion opening 109 and the shutter 105 in a toner transport direction in the toner transport path t1. When the shutter 105 is inserted in the insertion opening 109, the shutter has elasticity in a direction perpendicular to both the toner transport direction and the moving direction of the shutter 105, and when the shutter 105 is not inserted in the insertion opening 109, the shutter 105 is greater than the insertion opening 109 in width in the direction perpendicular to the toner transport direction and the moving direction of the shutter 105. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供可靠地打开和关闭活门构件并防止调色剂从设备散射的调色剂供应装置，并且提供包括调色剂供应装置的图像形成装置。调色剂供应装置100包括：用于存储调色剂的壳体101; 用于输送调色剂的调色剂输送路径t1; 活门105，其能够在闭合位置之间移动，以通过插入到壳体101的侧面中的插入开口109中而使调色剂输送路径t1闭合;以及打开位置; 以及密封件106，用于在调色剂输送路径t1中的调色剂输送方向填充插入开口109的内壁和活门105之间的间隙。当快门105插入插入开口109中时，快门在与快门105的调色剂输送方向和移动方向垂直的方向上具有弹性，并且当快门105未插入到插入开口109中时，挡板105在垂直于调色剂输送方向和快门105的移动方向的方向上大于插入口109。（C）2009，JPO＆INPIT

7. 发明专利

JP2008281845A Developing device and image forming apparatus 审中-公开
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2008281845A
公开(公告)日：2008-11-20
申请号：JP2007126846
申请日：2007-05-11
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： UNO MUGIJIROU , MATSUMOTO KEIKO , OSHIKAWA TAKEKI , KITA EMI , TERAI JUNICHI , OOKAJI HIROYUKI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device configured such that developer can be replaced while a fixed quantity of developer is maintained without incurring increase in cost and device size. SOLUTION: The developing device 3 renders an electrostatic latent image, formed on a latent image carrier 2, visible with two-component developer containing toner and carrier. This developing device 3 includes: a developing tank 3A storing the two-component developer to be supplied to the latent image carrier 2; an introducing section for introducing carrier toward the developing tank 3A and mixing it in the developer, and an ejecting means 8 for ejecting the carrier toward the outside from the developing tank 3A; a supplied carrier quantity detecting means 101 for detecting a quantity of carrier introduced into the developing tank 3A; and a control section 100 by which based on a signal from the supplied carrier quantity detecting means 101, the quantity of carrier to be ejected so as to correspond to the quantity of supplied carrier is set. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种显影装置，其被配置为使得在保持固定量的显影剂的同时可以更换显影剂，而不会增加成本和装置尺寸。解决方案：显影装置3使形成在潜像载体2上的静电潜像呈现含有调色剂和载体的双组分显影剂。该显影装置3包括：存储要供应到潜像载体2的双组分显影剂的显影槽3A; 引导部分，用于将载体引导到显影罐3A并将其混合在显影剂中;以及弹出装置8，用于从显影槽3A向外部喷射载体; 供给载体量检测装置101，用于检测引入显影槽3A的载体的数量; 以及控制部分100，通过该控制部分100，根据来自所提供的载波量检测装置101的信号，设置与所提供的载体的数量相对应的待喷射的载体的数量。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008262016A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2008262016A
公开(公告)日：2008-10-30
申请号：JP2007104474
申请日：2007-04-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KUBO TATSUYA , FUJINUMA YOSHITAKA , NAKAYAMA MASAYOSHI , TERAI JUNICHI , YOSHIDA SATORU , SAKATA KOICHI
IPC分类号： G03G21/20 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To suppress temperature rise of a developing device and developer without giving discomfort to an operator of an image forming apparatus regarding the developing device which supplies the developer to a developer carrier by a conveying screw. SOLUTION: The image forming apparatus is equipped with the developing device, a fan 46M and a ventilation path 49M and the developing device is equipped with a supply conveyance path for supplying developer to a developing roller; a collecting conveyance path to collect the developer from the developing roller; and an inclined stirring conveyance path 29M to house an inclined stirring conveyance screw 38M, to which the developer conveyed to the downstream-side end of the supplying conveyance path and the developer conveyed to the downstream-side end of the collecting conveyance path are delivered and which is disposed in inclined posture so as to convey the developer in an up-slpe state, while stirring it. The apparatus supplies the developer to the upstream-side end of the supply conveyance path. A fan 46M is disposed on an opposite side to an operation surface; and the ventilation path 49M sends air by the fan 46M to the operation surface side along the outer wall of the inclined stirring conveyance path 29M , wherein the ventilation path 49M is formed wider, as going from the ventilation means side to the operation surface side, and an exhaust port 48M is formed wider than an inflow port 47M. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了抑制显影装置和显影剂的温度升高，而不会使图像形成装置的操作者对通过输送螺杆将显影剂供应到显影剂载体的显影装置产生不适。解决方案：图像形成装置配备有显影装置，风扇46M和通风路径49M，显影装置配备有用于将显影剂供给到显影辊的供给输送路径; 用于从显影辊收集显影剂的收集传送路径; 以及倾斜搅拌输送路径29M，其容纳倾斜的搅拌输送螺杆38M，输送到供给输送路径的下游侧的显影剂和输送到集合输送路径的下游侧端部的显影剂被输送到该倾斜搅拌输送路径29M，其以倾斜姿态设置，以便在搅拌的同时将显影剂输送到上升状态。该装置将显影剂供给到供给输送路径的上游侧端部。风扇46M设置在与操作面相反的一侧; 并且通风路径49M通过风扇46M将空气沿着倾斜搅拌输送路径29M的外壁向操作面侧发送，其中，从通气装置侧到操作面侧，通风路径49M形成得较宽，并且排气口48M形成为比流入口47M更宽。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2008136349A Power supply unit and image forming device 有权
标题翻译：电源单元和图像形成装置
公开(公告)号：JP2008136349A
公开(公告)日：2008-06-12
申请号：JP2008016426
申请日：2008-01-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAWASE JUNICHI , MATSUZAKA SUSUMU , NAKAMURA KENICHI , SAITO HIROSHI , TAGAMI AKIRA , TERAI JUNICHI , TAKANO SATOSHI , OMURA KIMINORI
IPC分类号： H02J7/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a power supply unit that prevents the occurrence of thermal adverse effects and unexpected situations at a charge part beforehand when the charge part and other substrates are provided in the same space without causing an increase in cost.
SOLUTION: The power supply unit 100 internally includes a charge part 100A and has a configuration for discharging power stored in the charge part 100A. Each cell part 100A1 of a capacitor used for the charge part and a balance circuit substrate 100A3 are arranged via a heat-insulating member 100A3 in the charge part 100A. The power supply unit also includes a mechanism 101A for executing air-cooling to each heat-dissipating member 100A4 of each element mounted on the balance circuit substrate 100A3 while forcibly taking in the outside air.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种电源单元，当电荷部分和其它基板设置在相同的空间中时，预先在充电部分防止发生热不利影响和意外情况，而不会导致成本增加。解决方案：电源单元100内部包括充电部分100A，并且具有用于放电存储在充电部分100A中的电力的配置。用于充电部的电容器的每个电池部分100A1和平衡电路基板100A3经由充电部分100A中的隔热部件100A3布置。电源单元还包括一个机构101A，用于对强制地吸入外部空气的同时安装在平衡电路基板100A3上的每个元件的每个散热构件100A4执行空气冷却。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2005215049A 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：JP2005215049A
公开(公告)日：2005-08-11
申请号：JP2004018534
申请日：2004-01-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TERAI JUNICHI
IPC分类号： G03G15/09 , G03G15/06 , G03G15/08 , G03G15/095
CPC分类号： G03G15/095 , G03G2221/0005
摘要： PROBLEM TO BE SOLVED: To provide a developing device having a developer residence regulating member which prevents the residence of a developer by a developer regulating member and without causing uneven image density, and provide a process cartridge equipped with the developing device and an image forming device such as a copying machine, facsimile, and a printer equipped with the developing device or the process cartridge. SOLUTION: The developing device has the developer regulating member 42 which regulates the thickness of the developer on a developer carrier 41 and the developer residence regulating member 43 arranged facing the developer carrier 41 in direct upstream of the developer regulating member 42 in the conveyance direction B of the developer by the developer carrier 41 and has a gap which becomes small toward the downstream side in the conveyance direction B between the developer residence regulating member 43 and the developer carrier 41. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有显影剂停留调节构件的显影装置，其防止显影剂调节构件使显影剂停留并且不引起不均匀的图像浓度，并且提供配备有显影装置的处理盒和图像形成装置，例如复印机，传真机和装备有显影装置或处理盒的打印机。解决方案：显影装置具有显影剂调节构件42，显影剂调节构件42调节显影剂载体41上的显影剂的厚度和在显影剂调节构件42的直接上游位于显影剂载体41上的显影剂停留调节构件43 显影剂载体41的显影剂的输送方向B，并且在显影剂残留调节构件43和显影剂载体41之间的输送方向B的下游侧具有变小的间隙。（C）2005， JPO＆NCIPI

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