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1. 发明专利

JP2014178353A Process cartridge, image forming apparatus, and method for assembling latent image carrier 审中-公开
标题翻译：过程盒，图像形成装置和装配图像载体的方法
公开(公告)号：JP2014178353A
公开(公告)日：2014-09-25
申请号：JP2013050491
申请日：2013-03-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJIMORI AKIRA , HATORI SATOSHI , YOSHINO KAORU , KUMAGAI NAOHIRO , GOTO RYOTA , SEKI HIDEYASU
IPC分类号： G03G21/10 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which can be miniaturized and in which the top end of a blade member is bent in a normal bending direction, to assemble an image carrier in an apparatus body and to provide a process cartridge and a method for assembling the image carrier.SOLUTION: In the image forming apparatus including the image carrier such as a photoreceptor 8, the blade member coming into contact with the image carrier, and guide members 121 and 122 guiding the image carrier when the image carrier is assembled in the apparatus body, and bringing the image carrier into press-contact with the blade member held by the apparatus body, to assemble the image carrier, the blade member is held so that the top end thereof faces the rotation center of the image carrier and is in press-contact with the image carrier so that the top end thereof is bent in a specified direction. The guide members guide the image carrier so that the surface of the image carrier is moved in the specified bending direction of the top end of the blade member when the image carrier comes into press-contact with the blade member.
摘要翻译：要解决的问题：为了提供可以小型化并且其中叶片构件的顶端在正常弯曲方向上弯曲的图像形成装置，以将装置主体中的图像载体组装并提供处理盒和用于组装图像载体的方法。解决方案：在包括诸如感光体8的图像载体的图像形成装置中，与图像载体接触的叶片构件以及当图像载体为图像载体时引导图像载体的引导构件121和122 组装在装置主体中，并且使图像载体与由装置主体保持的刀片构件压接，以组装图像载体，保持刀片构件，使得其顶端面向图像载体的旋转中心并且与图像载体压接，使得其顶端沿指定方向弯曲。当图像载体与叶片构件压接时，引导构件引导图像载体，使得图像载体的表面在叶片构件的顶端的指定弯曲方向上移动。

2. 发明专利

JP2014167524A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2014167524A
公开(公告)日：2014-09-11
申请号：JP2013038917
申请日：2013-02-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEKI HIDEYASU , HATORI SATOSHI , NINOMIYA HIROMICHI , KUMAGAI NAOHIRO , TAGUCHI NOBUYUKI , KUBOSHIMA YASUJI , AZEYANAGI YUTA , GOTO RYOTA
IPC分类号： G03G21/10 , G03G9/08 , G03G9/10 , G03G21/00 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of suppressing the progress of wear of a photoreceptor due to the omission of a lubricant application mechanism, and effectively suppressing the occurrence of filming (silica filming).SOLUTION: There is provided an image forming apparatus that does not include lubricant application means for applying lubricant to an image carrier. The image forming apparatus uses a two-component developer having a toner and a carrier as a developer, controls an elastic power of the image carrier to be 42% or more, makes a short diameter/long diameter ratio of silica added to the developer 0.7 or less, and makes an absolute value of a surface potential of developing means higher than that of a surface potential of the image carrier in an image part, in which the potential of the image carrier is closer to the + side than that of the carrier.
摘要翻译：要解决的问题：提供一种能够抑制由于省略润滑剂施加机构而导致的感光体的磨损进行的图像形成装置，并且有效地抑制了成膜（二氧化硅成膜）的发生。解决方案：提供了一种图像不包括用于向图像载体施加润滑剂的润滑剂施加装置的成形装置。图像形成装置使用具有调色剂和载体作为显影剂的双组分显影剂，将图像载体的弹性功率控制在42％以上，使得添加到显影剂0.7中的二氧化硅的短径/长径比并且使图像载体的电位比载体的+侧更靠近+侧的图像部分中显影装置的表面电位的绝对值高于图像载体的表面电位的绝对值。

3. 发明专利

JP2014109583A Detachable unit and image forming apparatus 有权
标题翻译：可拆卸单元和图像形成装置
公开(公告)号：JP2014109583A
公开(公告)日：2014-06-12
申请号：JP2012262175
申请日：2012-11-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KUMAGAI NAOHIRO , NINOMIYA HIROMICHI , HATORI SATOSHI , YOSHINO KAORU , TAGUCHI NOBUYUKI , AZEYANAGI YUTA , KUBOSHIMA YASUJI , SEKI HIDEYASU , GOTO RYOTA
IPC分类号： G03G15/02 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide a detachable unit that is relatively compact, and suppresses occurrence of a defect in which an opposing member is deformed with a sub case to be brought into contact with an opposing target member, and a defect in which the opposing member is deformed with the sub case to be brought into contact with the opposing target member with a contact force larger than a predetermined contact force; and an image forming apparatus.SOLUTION: A detachable unit includes an opposing target member 11 that is held by a case 10a of the detachable unit, a sub case 12c that is disposed at a position exposed in the detachable unit to be fixedly held by the case 10a, and an opposing member 12a that is brought into contact, along a width direction, with the opposing target member 11 held by the sub case 12c at both ends in the width direction. When an external force toward the opposing target member 11 side is applied to the sub case 12c, a case opposing part 10a1 is brought into contact with a sub case opposing part 12c1 at the center part in the width direction, so as to regulate contact force of the opposing member 12a to the opposing target member 11 from becoming a predetermined value or more.
摘要翻译：要解决的问题：提供一种相对紧凑的可拆卸单元，并且抑制相对构件随副壳体与相对的目标构件接触而变形的缺陷的发生，以及其中相对构件构件随着副壳体变形而与具有大于预定接触力的接触力与相对的目标构件接触; 以及图像形成装置。解决方案：可拆卸单元包括由可拆卸单元的壳体10a保持的相对的目标构件11，子壳体12c设置在露出在可拆卸单元中的位置，以固定地保持壳体10a和相对的构件12a沿着宽度方向与宽度方向两端的副壳体12c保持的相对的目标构件11接触。当朝向相对的目标构件11侧的外力施加到副壳体12c时，相对部分10a1的壳体在宽度方向上的中心部分处与副壳体相对部分12c1接触，以便调节接触力相对的构件12a向相对的目标构件11变为预定值以上。

4. 发明专利

JP2014106315A Image carrier, process cartridge, and image forming apparatus 审中-公开
标题翻译：图像载体，过程盒和图像形成装置
公开(公告)号：JP2014106315A
公开(公告)日：2014-06-09
申请号：JP2012258213
申请日：2012-11-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TAGUCHI NOBUYUKI , HATORI SATOSHI , KUMAGAI NAOHIRO , YOSHINO KAORU , NINOMIYA HIROMICHI , AZEYANAGI YUTA , KUBOSHIMA YASUJI , SEKI HIDEYASU , GOTO RYOTA
IPC分类号： G03G21/00 , G03G21/18
CPC分类号： G03G15/751
摘要： PROBLEM TO BE SOLVED: To provide an image carrier that has improved strength against deflection and deformation, a process cartridge, and an image forming apparatus.SOLUTION: An image carrier includes an image carrier main part 11a that is formed in a cylindrical shape, two flanges 11b and 11c that are fitted to the image carrier main part 11a at first fitting parts A, and a penetration shaft 11d that penetrates the inside of the image carrier main part and is fitted to each of the two flanges 11b and 11c at second fitting parts B, which are a part of a penetration hole part of each of the two flanges 11b and 11c. The second fitting parts B are formed closer to an axial central part than the first fitting parts A.
摘要翻译：要解决的问题：提供一种具有改善的抗偏转和变形强度的图像载体，处理盒和图像形成装置。图像载体包括形成为圆柱形的图像载体主体11a，两个在第一装配部分A装配到图像载体主体部分11a的凸缘11b和11c以及穿过图像载体主体的内部并且以第二装配装配到两个凸缘11b和11c中的每一个的穿透轴11d 部分B是两个凸缘11b和11c中的每一个的穿孔部分的一部分。第二装配部B形成为比第一装配部A更靠近轴心部。

5. 发明专利

JP2014077834A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2014077834A
公开(公告)日：2014-05-01
申请号：JP2012224111
申请日：2012-10-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEKI HIDEYASU , HATORI SATOSHI , KUMAGAI NAOHIRO , YOSHINO KAORU , FUJIMORI AKIRA , GOTO RYOTA
IPC分类号： G03G21/00 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To suppress the wear of a photoreceptor of at least one process unit among process units 6Y, M, C, and K for Y, M, C, and K while omitting a lubricant application mechanism for each process unit.SOLUTION: In an image forming apparatus comprising the process units 6Y, M, C, and K, and an intermediate transfer belt, first transfer nip parts for Y, M, C, and K are formed by bringing photoreceptors 1Y, M, C, and K into contact with a front surface of the intermediate transfer belt, and toner images on the photoreceptors 1Y, M, C, and K are transferred to the front surface of the belt at each first transfer nip part. The photoreceptors 1M, C, and K are pressed against respective belt stretching areas of the intermediate transfer belt and each belt stretching area is partly wound on the circumferences of respective photoreceptors to form the first transfer nip parts for M, C, and K, so that the lubricant application mechanisms for process units 6M, C, and K are omitted.
摘要翻译：要解决的问题：为了抑制用于Y，M，C和K的处理单元6Y，M，C和K中的至少一个处理单元的感光体的磨损，同时省略每个处理单元的润滑剂施加机构。在包括处理单元6Y，M，C和K以及中间转印带的图像形成装置中，通过使感光体1Y，M，C和 K与中间转印带的前表面接触，并且感光体1Y，M，C和K上的调色剂图像在每个第一转印夹持部分被转印到带的前表面。感光体1M，C和K被压在中间转印带的相应的带拉伸区域上，并且每个带拉伸区域部分地缠绕在各个感光体的周边上以形成用于M，C和K的第一转印辊隙部分，因此省略了处理单元6M，C和K的润滑剂施加机构。

6. 发明专利

JP2013225092A Lubricant supply device, image forming apparatus, and process cartridge 有权
标题翻译：润滑剂供应装置，图像形成装置和过程盒
公开(公告)号：JP2013225092A
公开(公告)日：2013-10-31
申请号：JP2012219632
申请日：2012-10-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJIMORI AKIRA , HATORI SATOSHI , KUMAGAI NAOHIRO , YOSHINO KAORU , SEKI HIDEYASU , GOTO RYOTA , SHINTANI TAKASHI , TAGUCHI NOBUYUKI , NINOMIYA HIROMICHI , KUDO TSUNEO , HONJO KENJI , AZEYANAGI YUTA
IPC分类号： G03G21/10 , G03G21/18
CPC分类号： G03G15/553 , G03G21/0094
摘要： PROBLEM TO BE SOLVED: To provide a lubricant supply device capable of preventing a false detection of residual amount detection means, an image forming apparatus, and a process cartridge.SOLUTION: A lubricant supply device includes: a solid lubricant 3b; a supply member such as a coating roller 3a for supplying a lubricant supply object such as a photoreceptor with a lubricant such as the solid lubricant 3b; and residual amount detection means such as a residual amount detection unit for detecting that the solid lubricant 3b is less than a prescribed amount. The residual amount detection means is provided at a downstream side in a direction of sliding friction of the supply member with the solid lubricant. This configuration enables the lubricant supply device to surely detect a near end of the lubricant as described in the embodiment.
摘要翻译：要解决的问题：提供能够防止残留量检测装置，图像形成装置和处理盒的错误检测的润滑剂供应装置。解决方案：润滑剂供应装置包括：固体润滑剂3b; 供给构件，例如用于向诸如感光体的润滑剂供应物质供给润滑剂如固体润滑剂3b的涂布辊3a; 以及残留量检测单元，例如用于检测固体润滑剂3b小于规定量的残留量检测单元。剩余量检测装置设置在供给构件与固体润滑剂的滑动摩擦方向的下游侧。这种构造使得润滑剂供应装置能够可靠地检测润滑剂的近端，如实施例中所述。

7. 发明专利

JP2013225087A Lubricant supply device, image forming apparatus, and process cartridge 有权
标题翻译：润滑剂供应装置，图像形成装置和过程盒
公开(公告)号：JP2013225087A
公开(公告)日：2013-10-31
申请号：JP2012170168
申请日：2012-07-31
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HATORI SATOSHI , GOTO RYOTA , FUJIMORI AKIRA , KUMAGAI NAOHIRO , YOSHINO KAORU , SEKI HIDEYASU , TAGUCHI NOBUYUKI , NINOMIYA HIROMICHI , AZEYANAGI YUTA , KUBOSHIMA YASUJI
IPC分类号： G03G21/10
CPC分类号： G03G21/0094 , F16N15/00 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide a lubricant supply device, an image forming apparatus and a process cartridge which are capable of reliably detecting that a remaining amount of solid lubricant has become a predetermined amount or smaller.SOLUTION: A lubricant supply device comprises: a housing case 3e to which an opening 34a is provided; a second electrode member 42 which is provided so as to cover the opening 34a of the housing case 3e; a first electrode member 41 which is provided outside the housing case 3e and faces the second electrode member 42; and electric resistance detection means 44 which applies voltage between the second electrode member 42 and the first electrode member 41. It comprises a pressure member 43 which brings the second electrode member 42 into contact with the first electrode member 41 by moving at least a part of the second electrode member 42 as a solid lubricant 3b is consumed.
摘要翻译：要解决的问题：提供能够可靠地检测固体润滑剂的剩余量已经变为预定量或更小的润滑剂供应装置，图像形成装置和处理盒。解决方案：润滑剂供应装置包括：设置有开口34a的壳体3e; 设置成覆盖壳体3e的开口34a的第二电极部件42; 第一电极构件41，其设置在壳体3e的外部并且面向第二电极构件42; 以及在第二电极构件42和第一电极构件41之间施加电压的电阻检测装置44.它包括压力构件43，该压力构件43使第二电极构件42与第一电极构件41接触，通过移动至少一部分作为固体润滑剂3b的第二电极部件42被消耗。

8. 发明专利

JP2013195508A Cleaning device, lubricant applying device, process cartridge, and image forming apparatus 审中-公开
标题翻译：清洁装置，润滑剂应用装置，工艺盒和图像形成装置
公开(公告)号：JP2013195508A
公开(公告)日：2013-09-30
申请号：JP2012060135
申请日：2012-03-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： GOTO RYOTA , KUMAGAI NAOHIRO , AKAFUJI MASAHIKO
IPC分类号： G03G21/10 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide a cleaning device capable of suppressing stick-slip of a blade coming into contact with an image carrier and stably removing attachment such as toner on the image carrier surface.SOLUTION: The cleaning device includes a support member, and an elastic-body blade that is supported by the support member, has a corner part angle of substantially right angle, and removes toner adhering to a surface of an image carrier from the image carrier surface. When the elastic-body blade comes into contact with the image carrier, the elastic-body blade and the image carrier come into contact with each other at a predetermined angle. When a relaxation time t obtained by a dynamic viscoelastic measurement of the elastic-body blade is 0.0001 second, a relaxation modulus G is 50.0 MPa or more and, when the relaxation time t is 0.01 second, the relaxation modulus G is 20.0 MPa or more.
摘要翻译：要解决的问题：提供一种能够抑制与图像载体接触的叶片的粘滑的清洁装置，并且可以在图像载体表面上稳定地除去诸如调色剂的附着物。解决方案：清洁装置包括支撑构件和由支撑构件支撑的弹性体叶片具有基本上直角的角部角度，并且从图像载体表面去除粘附到图像载体的表面的调色剂。当弹性体刀片与图像载体接触时，弹性体刀片和图像载体以预定角度彼此接触。当通过弹性体叶片的动态粘弹性测量获得的松弛时间t为0.0001秒时，松弛模量G为50.0MPa以上，松弛时间t为0.01秒时，松弛模量G为20.0MPa以上。

9. 发明专利

JP2011174956A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2011174956A
公开(公告)日：2011-09-08
申请号：JP2010036778
申请日：2010-02-23
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NINOMIYA HIROMICHI , MIZUSAWA HIROSHI , KUMAGAI NAOHIRO , MATSUURA DAIKI , OZAWA YOSHINORI
IPC分类号： G03G15/16
CPC分类号： G03G21/0094 , G03G15/0189 , G03G2215/0132
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus in which the life of the monochrome image forming unit, whose use frequency is more than those of other color image forming units, is extended without making the size of the image forming apparatus large. SOLUTION: The image forming apparatus 1 includes a plurality of image forming units 10Y, 10M, 10C, and 10BK that are arranged in parallel so as to be opposed to an intermediate transfer belt 17. A black image forming unit 10BK that forms a black toner image is arranged at the furthest downstream side in the running direction of the intermediate transfer belt 17 from the other image forming units 10Y, 10M, and 10C, and the black image forming unit 10BK is configured so that its lubricant supplying unit contains a larger amount of lubricant. 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，其使用频率大于其它彩色图像形成单元的单色图像形成单元的寿命延长，而不使图像形成装置的尺寸大。解决方案：图像形成装置1包括平行布置成与中间转印带17相对的多个图像形成单元10Y，10M，10C和10BK。形成黑色图像形成单元10BK 黑色调色剂图像从其他图像形成单元10Y，10M和10C排列在中间转印带17的行进方向的最下游侧，黑色图像形成单元10BK被构造成使得其润滑剂供应单元包含更多的润滑剂。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2008268447A Waste toner recovery device and image forming apparatus 审中-公开
标题翻译：废纸回收装置和图像形成装置
公开(公告)号：JP2008268447A
公开(公告)日：2008-11-06
申请号：JP2007109725
申请日：2007-04-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KUMAGAI NAOHIRO
IPC分类号： G03G21/10 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a waste toner recovery device which is capable of highly accurately and highly reliably detecting the operation of a waste toner conveying member and to provide an image forming apparatus provided with the waste toner recovery device. SOLUTION: A contact member 34 which projects axially from the rotating shaft 33a of a conveying screw 33 so as to be longer than spiral conveying parts 35a and 35b is attached to the conveying screw 33. The conveying screw 33 is rotated in a container main body 25, so that the top end of the contact member 34 comes in slidable contact with the inwall 25b of the upper surface part 25a of the container main body 25, to generate a vibration. This vibration is detected to detect the vibration corresponding to the rotational speed of the conveying screw 33, so that an abnormal state can be quickly detected. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够高度准确和高度可靠地检测废调色剂输送构件的操作的废调色剂回收装置，并提供具有废调色剂回收装置的图像形成装置。解决方案：从输送螺杆33的旋转轴33a轴向突出以比螺旋输送部35a和35b长的接触构件34附接到输送螺杆33上。输送螺杆33在一个容器主体25，使得接触构件34的顶端与容器主体25的上表面部分25a的内壁25b滑动接触以产生振动。检测该振动以检测与输送螺杆33的转速相对应的振动，从而可以快速检测异常状态。版权所有（C）2009，JPO＆INPIT

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