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61. 发明专利

JP2014010179A 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：JP2014010179A
公开(公告)日：2014-01-20
申请号：JP2012144647
申请日：2012-06-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HAMADA DAISUKE , SUGANUMA TAKUYA
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 having such a configuration that aggregates of a toner present in a floating state on a developer upper surface can be efficiently disintegrated to prevent occurrence of an abnormal image and that pumping failure of the developer is prevented and a supplied toner can be stirred and mixed over the whole conveyance region of the developer.SOLUTION: The developing device includes: a developing tank 43Y which has a space segmented into a developer supply part 43Y1 for supplying a two-component developer to a developer carrier and a developer recovery part 43Y2 for recovering the developer from the developer carrier and which includes conveyance screws 46Y, 47Y capable of revolving in opposite directions to each other disposed in the respective segmented spaces; a fin 500 provided between screw blades of the conveyance screw 47Y disposed in the developer recovery part 43Y2; and a magnetic body 501 disposed on the developer tank side, opposing to the fin 500. The fin 500 is formed into such a shape that the film is extended outward from a shaft circumference surface in a radial direction of the screw and that at least a position where the fin goes away from the shaft circumference surface is continuous to the screw blade.
摘要翻译：要解决的问题：为了提供一种显影装置，具有这样的结构的处理盒和图像形成装置，其可以有效地分解在显影剂上表面上以浮动状态存在的调色剂的聚集，以防止异常图像的发生，防止显影剂的泵送故障，并且可以在显影剂的整个输送区域上搅拌和混合供给的调色剂。显影装置包括：显影槽43Y，其具有分隔成显影剂供应部分43Y1的空间，用于供应用于从显影剂载体回收显影剂的显影剂载体和显影剂回收部分43Y2的双组分显影剂，其包括能够相对于布置在各个分割空间中的相反方向旋转的输送螺杆46Y，47Y; 设置在显影剂回收部43Y2中的输送螺杆47Y的螺旋叶片之间的翅片500; 以及设置在显影剂罐侧的与散热片500相对的磁体501.翅片500形成为使得膜从螺杆的径向的轴圆周表面向外延伸的形状，并且至少一个翅片远离轴圆周表面的位置与螺旋叶片连续。

62. 发明专利

JP2013174631A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2013174631A
公开(公告)日：2013-09-05
申请号：JP2012024925
申请日：2012-02-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUKESAKO MASAKI , YURA JUN , IWASAKI YUKIKO , YOTSUORI ATSUSHI , SUGANUMA TAKUYA , SUGIYAMA HIROYUKI , KAMIHARA KAZUAKI , TAKESHITA HIRONOBU
IPC分类号： G03G21/10 , G03G9/08 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of suppressing the occurrence of a void image referred to as killifish, while suppressing toner from being adhered to a rotor or a stator of a powder pump.SOLUTION: An image forming apparatus comprises: an image carrier; developing means for developing a latent image formed on the image carrier by using toner having inorganic fine particles with the volume average particle diameter of 30 nm or more externally added thereto; and toner supply means provided with a powder pump having a toner container for storing toner, a stator that has a through hole formed by a spirally extending groove, and a rotor that has a spiral groove formed on an outer peripheral surface so that a gap for transferring toner is formed between an inner peripheral surface of the through hole and the outer peripheral surface of the rotor. The image forming apparatus further includes: cleaning means for cleaning the surface of the image carrier; lubricant applying means that is provided on the downstream side in a direction of movement of the surface of the image carrier of the cleaning means; and a lubricant levelling member that is provided on the downstream side in a direction of movement of the surface of the image carrier of the lubricant applying means.
摘要翻译：要解决的问题：提供一种图像形成装置，该图像形成装置能够抑制调色剂粘附到粉末泵的转子或定子上，从而抑制被称为杀戮的空白图像的发生。图像形成装置包括：图像载体; 显影装置，用于通过使用其外部加入体积平均粒径为30nm以上的无机微粒的调色剂来显影形成在图像载体上的潜像; 以及调色剂供给装置，该调色剂供给装置设置有具有用于储存调色剂的调色剂容器的粉末泵，具有由螺旋状延伸槽形成的通孔的定子和在外周面上形成有螺旋槽的转子，在通孔的内周面和转子的外周面之间形成转印调色剂。图像形成装置还包括：用于清洁图像载体的表面的清洁装置; 润滑剂施加装置，其设置在清洁装置的图像载体的表面的移动方向的下游侧; 以及润滑剂调平构件，其设置在润滑剂施加装置的图像载体的表面的移动方向的下游侧。

63. 发明专利

JP2013174630A Toner supply device and image forming apparatus 审中-公开
标题翻译：调色剂供应装置和图像形成装置
公开(公告)号：JP2013174630A
公开(公告)日：2013-09-05
申请号：JP2012024082
申请日：2012-02-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KAMIHARA KAZUAKI , YURA JUN , IWASAKI YUKIKO , YOTSUORI ATSUSHI , SUKESAKO MASAKI , SUGANUMA TAKUYA , SUGIYAMA HIROYUKI , TAKESHITA HIRONOBU
IPC分类号： G03G15/08 , G03G9/08 , G03G9/087
CPC分类号： G03G15/0879
摘要： PROBLEM TO BE SOLVED: To provide a toner supply device capable of suppressing toner from being adhered to a rotor of a powder pump, and an image forming apparatus including the toner supply device.SOLUTION: A toner supply device comprises: a powder pump that has a stator having a through hole formed by a spirally extending groove and a rotor having a spiral groove formed on an outer peripheral surface so that a gap for transferring toner is formed between an inner peripheral surface of the through hole and the outer peripheral surface of the rotor, and rotates the rotor to move the gap and thereby transferring the toner that has entered the gap; and a toner that is transferred by the powder pump. The toner has inorganic particles having the volume average particle diameter of 30 nm or more that are externally added.
摘要翻译：要解决的问题：提供一种能够抑制调色剂粘附到粉末泵的转子上的调色剂供给装置和包括该调色剂供应装置的图像形成装置。解决方案：一种调色剂供应装置，包括：粉末泵，定子，其具有由螺旋状延伸的槽形成的通孔和具有形成在外周面上的螺旋槽的转子，使得在所述通孔的内周面和所述通孔的外周面之间形成用于转印调色剂的间隙并转动转子以移动间隙，从而转移进入间隙的调色剂; 和由粉末泵转移的调色剂。调色剂具有外部添加的体积平均粒径为30nm以上的无机粒子。

64. 发明专利

JP2013015804A Powder container, image forming apparatus, and powder container order system 有权
标题翻译：粉末容器，图像形成装置和粉末容器订单系统
公开(公告)号：JP2013015804A
公开(公告)日：2013-01-24
申请号：JP2011170356
申请日：2011-08-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUGANUMA TAKUYA , ATARI HIROKI , KOJIMA TSUNEJI , KASUYA TOSHINOBU , TAMURA HIROOMI , SAITO KAZUYA
IPC分类号： G03G15/08 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To detect the amount of powder remaining in a container without using a memory element such as an IC chip.SOLUTION: The present invention relates to toner bottles 28, 128, 228 as a powder container that is detachably attached to a powder consumption device for consuming powder to supply powder to the powder consumption device, as well as an image forming apparatus. Each of the toner bottles includes lids 29, 129, 229 that closes a plurality of different lid positions of the powder supply port; the plurality of different lid positions indicate information about the use history of the powder consumption device.
摘要翻译：要解决的问题：为了检测容器中剩余的粉末的量，而不使用诸如IC芯片的存储元件。解决方案：本发明涉及作为粉末容器的调色剂瓶28,128,228以及成像设备，该粉末容器可拆卸地安装在粉末消耗装置上，用于粉末消耗粉末供应给粉末消耗装置。每个调色剂瓶包括封闭粉末供应口的多个不同盖位置的盖子29,129,229; 多个不同的盖位置指示关于粉末消耗装置的使用历史的信息。版权所有（C）2013，JPO＆INPIT

65. 发明专利

JP2011059437A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2011059437A
公开(公告)日：2011-03-24
申请号：JP2009209679
申请日：2009-09-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUZUKI HIROKATSU , SUDO KAZUHISA , KAWASUMI MASANORI , HASHIMOTO SHUNICHI , UNO MUGIJIRO , SHINSHI AKIRA , FURUYA SEIJI , SATO MASAHIKO , TAMURA HIROOMI , SAITO KAZUYA , TAKAHASHI TOMOKO , SUGANUMA TAKUYA
IPC分类号： G03G15/16 , G03G15/00
CPC分类号： G03G15/0194 , G03G2215/00021 , G03G2215/0132
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for appropriately adjusting image quality by improving the transferability of a test pattern from an intermediate transfer body to a belt member. SOLUTION: By using a black-image forming unit 101, an abrasive pattern is formed on a sheet conveying belt 8 and a toner is input to a contact section where a cleaning blade is in contact with the sheet conveying belt. After the toner is input to the contact section where the cleaning blade is in contact with the sheet conveying belt and then the sheet conveying belt 8 makes one or more revolutions, process control is performed in which Y, M, and C tone patterns and a B tone pattern are transferred to the sheet conveying belt. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过提高测试图案从中间转印体到带构件的转印性能来适当地调整图像质量的图像形成装置。解决方案：通过使用黑图像形成单元101，在片材输送带8上形成研磨图案，并且将调色剂输入到清洁刮板与片材输送带接触的接触部分。在将调色剂输入到清洁刮板与片材输送带接触的接触部分之后，然后片材传送带8进行一次或多次转动时，进行处理控制，其中Y，M和C色调图案和 B色调图案转印到纸张传送带上。版权所有（C）2011，JPO＆INPIT

66. 发明专利

JP2011017815A Secondary transfer device and image forming apparatus 审中-公开
标题翻译：二次传输装置和图像形成装置
公开(公告)号：JP2011017815A
公开(公告)日：2011-01-27
申请号：JP2009161448
申请日：2009-07-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHINSHI AKIRA , FURUYA SEIJI , SATO MASAHIKO , KAWASUMI MASANORI , SUZUKI HIROKATSU , TAMURA HIROOMI , SAITO KAZUYA , SUGANUMA TAKUYA , UNO MUGIJIRO , HASHIMOTO SHUNICHI , SUDO KAZUHISA , TAKAHASHI TOMOKO
IPC分类号： G03G15/01
摘要： PROBLEM TO BE SOLVED: To provide a secondary transfer device and an image forming apparatus, which achieve reduction of cost and miniaturization by making an optical sensor function as a position detection sensor, thereby reducing the number of components.SOLUTION: The secondary transfer device 8 is included in the image forming apparatus including a first image forming part 11 and a second image forming part 12, and transfers toner images formed on an intermediate transfer body 7 of the first image forming part and an image carrier 1K of the second image forming part or a toner image formed on the image carrier of the second image forming part to recording material P. The secondary transfer device 8 has a secondary transfer belt 80 held by a plurality of tensioning and laying rollers 81 to 86, the secondary transfer belt is provided to contact with/separate from the intermediate transfer body of the first image forming part and includes at least one or more optical sensors 88 opposed to the secondary transfer belt. When operating to adjust image formation, a detection pattern image-formed on the secondary transfer belt is detected by the optical sensor, and the contacting/separating operation of the secondary transfer belt with/from the intermediate transfer body is detected according to output from the optical sensor.
摘要翻译：要解决的问题：提供一种通过使光学传感器用作位置检测传感器来实现成本降低和小型化的二次转印装置和图像形成装置，从而减少部件数量。解决方案：二次转印装置8 包括在包括第一图像形成部分11和第二图像形成部分12的图像形成装置中，并且转印形成在第一图像形成部分的中间转印体7上的调色剂图像和第二图像形成部分的图像载体1K 或形成在第二图像形成部分的图像载体上的调色剂图像到记录材料P.二次转印装置8具有由多个张紧和铺放辊81至86保持的二次转印带80，二次转印带设置与第一图像形成部件的中间转印体接触/分离，并且包括相对的至少一个或多个光学传感器88 到二次转印带。当操作以调整图像形成时，通过光学传感器检测图像形成在二次转印带上的检测图案，并且根据来自第二转印带的输出检测二次转印带与中间转印体的接触/分离操作光学传感器。

67. 发明专利

JP2010237635A Developing device, image forming apparatus including the same, and process cartridge 有权
标题翻译：开发装置，包括其的图像形成装置和工艺盒
公开(公告)号：JP2010237635A
公开(公告)日：2010-10-21
申请号：JP2009177662
申请日：2009-07-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KIMURA HIDEKI , HORI EISUKE , SUGANUMA TAKUYA
IPC分类号： G03G15/08 , G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To extend the lifetime of a filter while effectively suppressing the rise of an internal pressure. SOLUTION: A developing casing 36 has a through-hole 31 provided with a filter member 32 which allows gas to pass therethrough while stopping passage of toner and a magnetic carrier. A casing inner wall having the through-hole is so disposed that the action of a magnetic field formed by an upstream magnetic pole P3 out of two magnetic poles P3 and P4 of the same polarity adjacent to each other is exerted on the magnetic carrier located in an opening on the casing inner wall side of the through-hole. A position of the through-hole in a developing sleeve surface movement direction is defined such that an intersection of the casing inner wall and a virtual line connecting a point where a normal-direction magnetic flux density of the upstream magnetic pole P3 out of the two magnetic poles is maximum on a surface of a developing sleeve, and a rotation center axis of the developing sleeve is in an inside opening of the through-hole on the casing inner wall. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了延长过滤器的寿命，同时有效地抑制内部压力的升高。解决方案：显影壳体36具有通孔31，该通孔31设置有过滤构件32，其允许气体通过，同时阻止调色剂和磁性载体的通过。具有通孔的壳体内壁被布置成使得由彼此相邻极性的两个磁极P3和P4中的上游磁极P3形成的磁场的作用施加在位于在通孔的壳体内壁侧的开口。通孔在显影套筒表面移动方向上的位置被限定为使得壳体内壁和虚拟线的连接点与两个上游磁极P3的法向方向磁通密度的点相交磁极在显影套筒的表面上是最大的，并且显影套筒的旋转中心轴线处于壳体内壁上的通孔的内部开口中。版权所有（C）2011，JPO＆INPIT

68. 发明专利

JP2010152095A Lubricant applying device, process cartridge and image forming apparatus 审中-公开
标题翻译：润滑剂应用装置，工艺盒和图像形成装置
公开(公告)号：JP2010152095A
公开(公告)日：2010-07-08
申请号：JP2008330348
申请日：2008-12-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUGANUMA TAKUYA , SUZUKI HIROKATSU , KADOTA ICHIRO , TAMURA HIROOMI , SEO TETSUYA
IPC分类号： G03G21/00
摘要： PROBLEM TO BE SOLVED: To enhance efficiency of removing toner sticking to brush bristles and efficiently apply a lubricant to an image carrier, regarding a lubricant applying device including the lubricant, a lubricant applying brush roller, and a lubricant pressurizing means, wherein the toner on the image carrier is collected while scraping the lubricant by the lubricant applying brush roller and applying the scraped lubricant onto the surface of the image carrier.
SOLUTION: A toner collecting member 111g that extends deeper in the lubricant applying brush roller 111b is disposed above the rotating direction of the lubricant applying brush roller 111b, on the upstream side of the lubricant 111d, and adjacent to the lubricant 111d without a gap therebetween.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：关于包括润滑剂的润滑剂施加装置，润滑剂施加刷辊和润滑剂加压装置，提高除去附着在刷毛上的调色剂的效率并有效地对图像载体施加润滑剂，其中收集图像载体上的调色剂，同时通过润滑剂施加刷辊刮擦润滑剂并将刮擦的润滑剂施加到图像载体的表面上。解决方案：在润滑剂施加刷辊111b上更深地延伸的调色剂收集构件111g设置在润滑剂施加刷辊111b的旋转方向上，在润滑剂111d的上游侧，并且与润滑剂111d相邻，而没有它们之间的间隙。版权所有（C）2010，JPO＆INPIT

69. 发明专利

JP2010152082A Application device, process cartridge, cleaning unit, and image forming apparatus 审中-公开
标题翻译：应用设备，过程盒，清洁单元和图像形成设备
公开(公告)号：JP2010152082A
公开(公告)日：2010-07-08
申请号：JP2008330098
申请日：2008-12-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEO TETSUYA , SUZUKI HIROKATSU , KADOTA ICHIRO , TAMURA HIROOMI , SUGANUMA TAKUYA
IPC分类号： G03G21/00 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To improve, with a simple configuration, efficiency in removing toner adhering to brush bristles, in an application device including: a lubricant; a brush-like rotating member having the bristles around it and disposed in contact with an image carrier and the lubricant to apply the lubricant to the image carrier; and to provide a removal device for removing foreign matter adhering to the brush bristles.
SOLUTION: The removal device 45 has a comb teeth member 45A, the leading end of which has a comb teeth shape and which is disposed in contact with the brush bristles 38a. The removal device 45 is disposed so that the teeth of the comb teeth shape may be oriented toward the upstream in the rotating direction of the brush-like rotating member 38.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提高简单的配置，除去附着在刷毛上的调色剂的效率，在包括润滑剂的涂布装置中，刷状旋转构件，其具有围绕其并具有与图像载体接触的刷毛和润滑剂以将润滑剂施加到图像载体上; 并且提供一种去除附着在刷毛上的异物的去除装置。解决方案：去除装置45具有梳齿部件45A，梳齿部件45A的前端具有梳齿形状，并与毛刷38a接触。移除装置45设置成使得梳齿形状的齿可以沿着刷状旋转构件38的旋转方向朝向上游定向。（C）2010，JPO＆INPIT

70. 发明专利

JP2010139658A Lubricant applicator and image forming apparatus 有权
标题翻译：润滑剂应用者和图像形成装置
公开(公告)号：JP2010139658A
公开(公告)日：2010-06-24
申请号：JP2008314907
申请日：2008-12-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAMURA HIROOMI , SUZUKI HIROKATSU , KADOTA ICHIRO , SEO TETSUYA , SUGANUMA TAKUYA
IPC分类号： G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a lubricant applicator which is provided in an image forming apparatus such as a copying machine, a facsimile machine and a printer and capable of stabilizing application of lubricant, regardless of the amount of residues after transfer, even when a cleaning position is on the downstream side from a lubricant applying position in the moving direction of an image carrier and further, capable of adjusting a lubricant application amount per unit time, and to provide the image forming apparatus provided with such the lubricant applicator.
SOLUTION: A lubricant applying member 47Y comes into contact with the image carrier 20Y to apply the lubricant to the image carrier 20Y, at the lubricant applying position TP on the downstream side from a transfer position NP where an image is transferred and on the upstream side from the cleaning position CP where the residues after transfer on the image carrier 20Y is removed, in the moving direction B1 of the image carrier 20Y. The lubricant applying member 47Y is brought into contact with and separated from the image carrier 20Y, to be separated from the image carrier 20Y, when the residues after transfer on the image carrier 20Y passes through the lubricant applying position TP.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种设置在诸如复印机，传真机和打印机的图像形成装置中并且能够稳定润滑剂的使用的润滑剂施加器，而不管转印后的残留物量如何，即使当清洁位置在图像载体的移动方向上的润滑剂施加位置的下游侧并且还能够调整每单位时间的润滑剂涂布量时，并且提供具有这样的润滑剂涂布器的图像形成装置。解决方案：润滑剂施加构件47Y与图像载体20Y接触，以在图像传送的传送位置NP的下游侧的润滑剂施加位置TP处将图像载体20Y施加润滑剂，并且将其打开在图像载体20Y的移动方向B1上去除在图像载体20Y上转印后的残留物的清洁位置CP的上游侧。当图像载体20Y上转印后的残留物通过润滑剂施加位置TP时，润滑剂施加构件47Y与图像载体20Y接触并与图像载体20Y分离，以与图像载体20Y分离。版权所有（C）2010，JPO＆INPIT

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