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1. 发明专利

JP2009271433A Cleaning device, process cartridge and image forming apparatus 审中-公开
标题翻译：清洁装置，过程盒和图像形成装置
公开(公告)号：JP2009271433A
公开(公告)日：2009-11-19
申请号：JP2008123664
申请日：2008-05-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJIMORI AKIRA , FUJISHIRO TAKATSUGU , TAWADA TAKAAKI , NINOMIYA HIROMICHI , KUMAGAI NAOHIRO , KARASAWA SHINYA , TABUCHI TAKESHI
IPC分类号： G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide a cleaning device that prevents the occurrence of image degradation and abnormal noise caused by vibration so as to achieve excellent image forming operation, and to provide a process cartridge with the cleaning device and an image forming apparatus with the process cartridge.
SOLUTION: The cleaning device 11 includes a first blade 31 performing removal of a foreign matter such as residual toner on an image carrier 8 as a main function, a second blade 39 performing removal of the foreign matter other than the foreign matter such as the residual toner on the image carrier 8 as a main function, a first blade holding member 401 holding the first blade 31, and a second blade holding member 402 holding the second blade 39 and different from the first blade holding member 401.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种防止图像劣化的发生和由振动引起的异常噪声的清洁装置，以便实现优异的图像形成操作，并且为处理盒提供清洁装置和图像形成装置与处理盒。解决方案：清洁装置11包括执行除去作为主要功能的图像载体8上的残留调色剂等异物的第一叶片31，除异物以外的异物除去的第二叶片39 作为主要功能的图像载体8上的残留调色剂，保持第一叶片31的第一叶片保持构件401和保持第二叶片39并且与第一叶片保持构件401不同的第二叶片保持构件402。 >版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2007333940A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2007333940A
公开(公告)日：2007-12-27
申请号：JP2006164434
申请日：2006-06-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TABUCHI TAKESHI
IPC分类号： G03G21/00 , G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus in which stabilization and uniformity in application quantity of a lubricant on image carrier surfaces are ensured by a relatively simple and low-cost configuration, so as to prevent occurrence of side-effects. SOLUTION: The image forming apparatus comprises: a plurality of image carriers 1; a plurality of lubricant applicators 3; a plurality of chargers 2; and a plurality of developing devices 4, and also has: means to independently count developer utilization times in the plurality of developing devices 4 containing developers for eliciting images; and means to independently control rotation on/off timings of naps of the lubricant applicators 3 according to the counts. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种图像形成装置，其通过相对简单且低成本的构造确保润滑剂在图像载体表面上的施加量的稳定性和均匀性，以防止副作用的发生。解决方案：图像形成装置包括：多个图像载体1; 多个润滑剂涂布器3; 多个充电器2; 和多个显影装置4，并且还具有：独立地计数包含用于引导图像的显影剂的多个显影装置4中的显影剂利用时间的装置; 以及根据计数独立地控制润滑剂涂布器3的打孔/关闭定时的装置的装置。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007093824A Powder conveying device, process cartridge and image forming apparatus 有权
标题翻译：粉末输送装置，过程盒和图像形成装置
公开(公告)号：JP2007093824A
公开(公告)日：2007-04-12
申请号：JP2005281105
申请日：2005-09-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KATAOKA CHOTARO , YANAGIDA MASAHITO , TANAKA HIDEKI , TAWADA TAKAAKI , FUJISHIRO TAKATSUGU , OOJIYA ATSUYA , TABUCHI TAKESHI , HARADA HIROOMI , KUMAGAI NAOHIRO
IPC分类号： G03G21/10 , B65G33/14 , B65G33/26
摘要： PROBLEM TO BE SOLVED: To provide a powder conveying device where there is no possibility that clogging by powder such as toner and interference with other components are not caused even when the length of a powder conveying member is varied. SOLUTION: In the powder conveying device 40 equipped with a powder conveying coil (powder conveying member) 35 constituted by forming plate material, for example, in spiral shape in a pipe (powder conveying path forming member) 41, and conveying the powder such as the toner through the pipe by rotating the powder conveying coil, a plate-like length regulation part 42 having a powder passing hole 43 in circular shape or the like is integrally provided at the downstream end of the pipe made by molding using polypropylene or the like, and the edge of the pipe formed to be freely elongated and contracted in a length direction is pressed against the length regulation part. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供粉末输送装置，其中即使当粉末输送构件的长度改变时，也不可能不引起粉末如调色剂和干扰其他部件的堵塞。解决方案：在具有粉末输送线圈（粉末输送部件）35的粉末输送装置40中，在粉末输送线圈（粉末输送部件）35中形成，例如以管状（粉末输送路径形成部件）41为螺旋状的板状材料构成，通过旋转粉末输送线圈通过管道的调色剂粉末，具有圆形形状的粉末通过孔43的板状长度调节部42一体地设置在通过使用聚丙烯成型而制成的管的下游端并且形成为在长度方向上自由伸长和收缩的管的边缘被压靠在长度调节部分上。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006251751A Device for applying lubricant, process cartridge, toner, and image forming apparatus 审中-公开
标题翻译：适用于润滑剂，过程盒，调色剂和图像形成装置的装置
公开(公告)号：JP2006251751A
公开(公告)日：2006-09-21
申请号：JP2005198570
申请日：2005-07-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HARADA HIROOMI , KAWAHARA SHINICHI , KASUGA TERUYUKI , SUDA TAKEO , TAKAHASHI YUTAKA , YANAGIDA MASAHITO , MIZUISHI HARUJI , OOJIYA ATSUYA , FUJISHIRO TAKATSUGU , TABUCHI TAKESHI , TANAKA HIDEKI , HATTORI YOSHIO , YOSHIDA KEIICHI
IPC分类号： G03G21/00 , G03G9/08 , G03G9/087 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide a device for applying lubricant which obviates occurrence of unevenness in applying in the entire area on the surface of a photoreceptor even with an image forming apparatus using toner made spherical and small in grain size, and prevents excess applying as well, and enables applying of an appropriate amount of a lubricant. SOLUTION: A cleaning blade 8a is made to contact the surface of the photoreceptor 1 from its counter direction and a lubricant smoothing blade 8b is made to contact the surface of the photoreceptor 1 from its trailing direction to remove the residual toner remaining on the surface of the photoreceptor by the cleaning blade 8a. The lubricant is applied by the brush roller 3a to the surface of the photoreceptor 1 of the cleaned state and is smoothed by the lubricant smoothing blade 8b on the downstream side to form the thin layer of the lubricant. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于施加润滑剂的装置，即使使用具有球形且粒径小的调色剂的图像形成装置，也可以避免在感光体表面的整个区域中施加不均匀性的装置，并且防止过量使用，并且能够施加适量的润滑剂。解决方案：使清洁刮板8a从其相反方向接触感光体1的表面，并使润滑剂平滑刮板8b从其拖尾方向接触感光体1的表面，以除去剩余的残留调色剂感光体的表面由清洁刮板8a。润滑剂通过刷辊3a施加到清洁状态的感光体1的表面，并且通过下游侧的润滑剂平滑刮板8b平滑以形成润滑剂的薄层。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005189523A Process cartridge, waste toner bottle, toner bottle and image forming apparatus 有权
标题翻译：工艺盒，废墨瓶，调色瓶和图像形成装置
公开(公告)号：JP2005189523A
公开(公告)日：2005-07-14
申请号：JP2003431091
申请日：2003-12-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARAI YUJI , YANAGIDA MASAHITO , KUMAGAI NAOHIRO , SHINTANI TAKASHI , TAWADA TAKAAKI , AMAMIYA MASARU , KOIKE TOSHIO , YONEDA TAKUJI , TABUCHI TAKESHI , TAKAHASHI YUTAKA , MURAKAMI EISAKU , UCHITANI TAKESHI , TOMITA MASAMI , KAWASUMI MASANORI
IPC分类号： G03G15/08 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide a process cartridge preventing an eject port, ejecting waste toner from a process cartridge, from being opened by mistake. SOLUTION: The process cartridge 11 is provided with an image carrier 10 and at least a cleaning means 14 and can be detached from an image forming apparatus A, and has a waste toner pipe 18 provided with the discharge port 19, discharging the waste toner from the cleaning means 14 and a shutter member 21 provided inside the waste toner pipe 18. By having an engagement part 22 provided on the image forming apparatus body 3 side engaged with the shutter member 21 when attached to the image forming apparatus A, the shutter member 21 is moved to an opening position of the discharge port 19. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供防止弹出端口的处理盒，从处理盒中排出废调色剂不被错误地打开。解决方案：处理盒11设置有图像载体10和至少清洁装置14，并且可以从图像形成装置A分离，并且具有设置有排出口19的废调色剂管18，来自清洁装置14的废调色剂和设置在废调色剂管18内部的活门构件21.通过在附着到图像形成装置A上时，设置在与活门构件21接合的图像形成装置主体3侧上的接合部22，活门构件21移动到排出口19的打开位置。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2005091693A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005091693A
公开(公告)日：2005-04-07
申请号：JP2003324358
申请日：2003-09-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ARAI YUJI , YANAGIDA MASAHITO , KUMAGAI NAOHIRO , SHINTANI TAKASHI , TAWADA TAKAAKI , AMAMIYA MASARU , KOIKE TOSHIO , YONEDA TAKUJI , TABUCHI TAKESHI , TAKAHASHI YUTAKA , MURAKAMI EISAKU , UCHITANI TAKESHI , TOMITA MASAMI , KAWASUMI MASANORI
IPC分类号： G03G9/08 , G03G9/087 , G03G15/02 , G03G15/08 , G03G15/16
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which uses a nearly spherical toner and thereby prevents an electrostatic charging member from being contaminated even if the toner remains on a photoreceptor without being cleaned in a cleaning process after transfer and even if the toner arriving at an electrostatic charging process exists. SOLUTION: When the image forming apparatus detects the adhesion of toner to an electrostatic charging roller 2a , a potential difference is disposed between the electrostatic charging roller 2a and the photoreceptor 1, by which the toner sticking go the electrostatic charging roller 2a is discharged to the photoreceptor 1. The image forming apparatus satisfies the relation A>B when the potential of the electrostatic charging roller 2a is defined as A, and the potential of the photoreceptor 1 as B at the time of discharging the positively electrostatically charged toner. The image forming apparatus satisfies the relation A COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供使用近似球形的调色剂的图像形成装置，从而即使调色剂在转印后的清洁处理中没有被清洁也保持静电充电部件被污染，并且即使存在进入静电充电过程的调色剂。解决方案：当图像形成装置检测到调色剂对静电充电辊2a的粘附时，在静电充电辊2a和感光体1之间设置电位差，通过该静电充电辊2a和感光体1，调色剂粘附到静电充电辊2a上放电到感光体1.当静电充电辊2a的电位定义为A时，图像形成装置满足关系A> B，并且在放电带正静电的调色剂时感光体1的电位为B。当静电充电辊2a的电位定义为A时，图像形成装置满足关系A

7. 发明专利

JP2009288716A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2009288716A
公开(公告)日：2009-12-10
申请号：JP2008143838
申请日：2008-05-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TABUCHI TAKESHI
IPC分类号： G03G21/00 , G03G9/08 , G03G9/087 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of solving problems such as filming by controlling an application amount of a lubricant to be uniform, the lubricant applied on the surface of an image carrier, by a relatively simple and inexpensive configuration. SOLUTION: The image forming apparatus 100 includes a lubricant applying device 80 that supplies a lubricant to an image carrier 20 charged uniformly by a charging means 30, wherein the lubricant supplying means 80 has a controlling means 90 that can optionally and independently changes the rotation timing (on/off) of raising brush fibers for each color in accordance with a bias value (voltage or current) applied to the charging means 30. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题：提供一种图像形成装置，其能够通过相对简单且便宜的方式控制润滑剂的施加量均匀地涂覆在图像载体的表面上的润滑剂来解决诸如成膜的问题组态。解决方案：图像形成装置100包括润滑剂施加装置80，其向通过充电装置30均匀充电的图像载体20提供润滑剂，其中润滑剂供给装置80具有控制装置90，其可任选地和独立地改变根据施加到充电装置30的偏置值（电压或电流），为每种颜色提高刷子光纤的旋转定时（开/关）。（C）2010，JPO＆INPIT

8. 发明专利

JP2009282487A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2009282487A
公开(公告)日：2009-12-03
申请号：JP2008261768
申请日：2008-10-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TABUCHI TAKESHI
IPC分类号： G03G21/00 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus preventing flaws on an image carrier by minimum necessary operation without adding the number of components of the apparatus and maintaining cleaning performance for a long period of time. SOLUTION: The image forming apparatus includes a rotatable brush roller 3a placed in contact with a rotating photoreceptor 1, always being in contact with a solid lubricant 3b and applying the lubricant onto the photoreceptor, and equipped with a cleaning device 8 using a blade for cleaning the photoreceptor 1. The image forming apparatus carries out an operation of once stopping image formation when a value measured by a first counting means for counting a traveling distance or working hours of the photoreceptor from the new product state thereof reaches a predetermined value or higher, and when a cumulative value of image areas in a single continuous image formation counted by a third counting means for counting an image area reaches a predetermined value or more, on the condition that the ratio of the cumulative value to the number of times of single continuous image formation counted by a second means for counting the number of times of image formation reaches a predetermined value or more. The operation of once stopping image formation includes a sequential operation of stopping rotation of the image carrier, reversing the rotation, returning to the original rotation and restarting image formation. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，其通过最小的必要操作来防止图像载体上的缺陷，而不需要增加装置的部件数量并保持长时间的清洁性能。解决方案：图像形成装置包括与旋转感光体1接触放置的可旋转刷辊3a，其总是与固体润滑剂3b接触并将润滑剂施加到感光体上，并且配备有使用刀片，用于清洁感光体1.当由第一计数装置测量的值用于计数来自新产品状态的感光体的行进距离或工作时间的值达到预定值时，图像形成装置执行一次停止图像形成的操作以上，并且当由用于计数图像区域的第三计数装置计数的单个连续图像形成中的图像区域的累积值达到预定值或更大时，在累积值与次数的比率由用于计数图像形成次数的第二装置计数的单个连续图像形成达到预定的va lue或更多。一旦停止图像形成的操作包括停止图像载体的旋转，反转旋转，返回到初始旋转并重新开始图像形成的顺序操作。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009276740A Imaging device, image forming apparatus and toner 审中-公开
标题翻译：成像装置，图像形成装置和调色剂
公开(公告)号：JP2009276740A
公开(公告)日：2009-11-26
申请号：JP2008261384
申请日：2008-10-08
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TABUCHI TAKESHI
IPC分类号： G03G21/10 , G03G9/08 , G03G9/087 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To maintain cleaning performance for a long period of time while preventing flaw of an image carrier by performing necessary minimum operation without adding the number of part items of a device. SOLUTION: The imaging device includes a rotating photoreceptor 1; a lubricant application device 3 provided with a rotatable brush roller 3a which contacts with the photoreceptor 1 and also with lubricant to apply the lubricant onto the image carrier; a developing device 4 for developing the photoreceptor 1; and a cleaning device 8 for cleaning the photoreceptor 1. In the device, when the length of an image continuously formed in a rotating direction corresponding to a sub-scanning direction in writing to the photoreceptor 1 is a predetermined value or more, and the image with the length of the predetermined value or more is continuously formed on the photoreceptor 1 a predetermined number of times or more, the photoreceptor 1 performs operation to rest image formation for every predetermined number of times. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过在不增加设备的零件数量的情况下进行必要的最小操作来防止图像载体的长时间的清洁性能。解决方案：成像装置包括旋转感光体1; 设置有与感光体1接触的可旋转刷辊3a以及润滑剂以将润滑剂施加到图像载体上的润滑剂施加装置3; 用于显影感光体1的显影装置4; 以及用于清洁感光体1的清洁装置8.在该装置中，当以与写入感光体1的副扫描方向相对应的旋转方向连续形成的图像的长度为预定值或更大时，在感光体1上连续形成规定值以上的长度的规定次数以上的情况下，感光体1进行每隔预定次数的静止图像形成的动作。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009169027A Charging device, process cartridge, and image forming apparatus 有权
标题翻译：充电装置，过程盒和图像形成装置
公开(公告)号：JP2009169027A
公开(公告)日：2009-07-30
申请号：JP2008006182
申请日：2008-01-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KARASAWA SHINYA , FUJISHIRO TAKATSUGU , TAWADA TAKAAKI , NINOMIYA HIROMICHI , TABUCHI TAKESHI , KUMAGAI NAOHIRO , FUJIMORI AKIRA
IPC分类号： G03G15/02
CPC分类号： G03G15/0225 , G03G15/025
摘要： PROBLEM TO BE SOLVED: To provide a means for easily solving the problem of a charge gap being widened by a force that a charging roller connected to a gear receives in the direction of the pressure angle of the gear, without providing any special member, in a charging device having a charging roller which rotates while maintaining a relationship of contact or noncontact with an image carrier driven for rotation to charge the image carrier, a drive transmission means comprising a gear connection for transmitting rotating power to the charging roller from the image carrier, and a charge cleaning member for cleaning the charging roller on contact with the charging roller.
SOLUTION: The displacement of the charging roller 9 caused by a force F generated by the pressure angle of the gear is prevented using the charge cleaning member 25 provided on the back of the charging roller.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于容易地解决由连接到齿轮的充电辊沿齿轮的压力角方向受到的力而加宽的充电间隙的问题的装置，而不提供任何特殊的在具有充电辊的充电装置中，驱动传动装置包括用于将旋转动力传递到充电辊的驱动传动装置，所述充电辊在保持与驱动以旋转以对图像载体进行充电的图像载体的接触或不接触的状态下旋转; 图像载体和用于在充电辊接触时清洁充电辊的电荷清除部件。解决方案：使用设置在充电辊背面的电荷清除部件25来防止由由齿轮的压力角产生的力F引起的充电辊9的位移。版权所有（C）2009，JPO＆INPIT

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