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1. 发明专利

JP2011242573A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2011242573A
公开(公告)日：2011-12-01
申请号：JP2010114039
申请日：2010-05-18
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： SHIGENAGA YASUNORI , KOMATSU TORU , ISHIKAWA TETSUYA
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To prevent contamination in an image forming apparatus due to scattering of toner and to prevent image soiling on transfer paper by effectively recovering scattered toner from a developer carrier even when original documents having high document image coverages are continuously printed.SOLUTION: The image forming apparatus comprises: a toner recovery member which is freely rotably disposed in a developing apparatus and rotates in the internal direction of the developing apparatus; a cleaning member which is disposed so as to contact with the toner recovery member and scrapes off the toner on the toner recovery member; and a controlling unit for controlling a rotational speed of the toner recovery member. The controlling unit changes a rotational speed of the toner recovery member based on the document image coverage.
摘要翻译：要解决的问题：为了防止由于调色剂的散射导致的图像形成装置中的污染，并且即使当连续打印具有高文件图像覆盖率的原始文件时，通过有效地从显影剂载体回收散射的调色剂，防止转印纸上的图像污染。图像形成装置包括：调色剂回收构件，其可自由旋转地设置在显影装置中并沿显影装置的内部方向旋转; 清洁部件，其设置成与调色剂回收部件接触并刮除调色剂回收部件上的调色剂; 以及用于控制调色剂回收构件的转速的控制单元。控制单元基于文档图像覆盖改变调色剂回收部件的旋转速度。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011158813A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2011158813A
公开(公告)日：2011-08-18
申请号：JP2010022005
申请日：2010-02-03
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： KOMATSU TORU , ISHIKAWA TETSUYA , OMORI YUICHI
IPC分类号： G03G21/00 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which prevents deterioration in image quality due to ozone produced at charging, and forms a high-quality image over a long term.
SOLUTION: An inlet port for introducing air and an exhaust port for exhausting air are provided, on the back plate and on the side plate of an charging device, respectively, and by sending air into the charging device by a sent-air source and an exhaust part, air flow that carries ozone into the charging device is formed.
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，其防止由于在充电时产生的臭氧导致的图像质量的劣化，并且长期形成高质量的图像。
解决方案：分别在充电装置的背板和侧板上分别设置有用于引入空气的入口和用于排出空气的排气口，并且通过送风将空气送入充电装置源和排气部分，形成将臭氧携带到充电装置中的空气流。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2011007920A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2011007920A
公开(公告)日：2011-01-13
申请号：JP2009149688
申请日：2009-06-24
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： KOMATSU TORU , SHIGENAGA YASUNORI , KONNO SHINOBU , SHIMAZU AKIHIKO
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus satisfactorily collecting toner scattered from a developing device regardless of a change in system linear speed and wind speed of a suction fan, and causing no toner deposition in a suction path, no clogging of a collection filter or no contamination in the apparatus due to the scattered toner.SOLUTION: The image forming apparatus includes: a developing device that develops an electrostatic latent image on a photoreceptor with toner; and a suction device having a suction path, the collection filter and the suction fan provided downstream in the suction path and sucking and collecting toner scattered from a first opening opened at an outlet side of the developing device housing on the downstream side in the rotating direction of the photoreceptor in the developing device. A second opening is provided in the vicinity of the first opening of the suction device and downstream of the first opening in the suction path.
摘要翻译：要解决的问题：为了提供令人满意地收集从显影装置散落的调色剂的图像形成装置，而不管吸风机的系统线速度和风速如何变化，并且不会在吸入路径中沉积调色剂，所以不会堵塞集合体过滤器或由于分散的调色剂而导致的设备中没有污染。解决方案：图像形成装置包括：显影装置，其利用调色剂显影感光体上的静电潜像; 以及具有吸入路径的抽吸装置，收集过滤器和抽吸风扇，其设置在吸入路径的下游，并且从旋转方向的下游侧的在显影装置壳体的出口侧开口的第一开口吸收和收集调色剂的显影装置中的感光体。第二开口设置在吸入装置的第一开口附近并且在吸入路径中的第一开口的下游。

4. 发明专利

JP2005024621A Development device and image forming apparatus 有权
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2005024621A
公开(公告)日：2005-01-27
申请号：JP2003186920
申请日：2003-06-30
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： KOMATSU TORU , YAMAGUCHI SEIJI
IPC分类号： G03G15/08 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To prevent, for a long time, toner from falling or scattering, which occurs from a development device. SOLUTION: The development device includes: a developer conveyor 41 that is located opposite a photoreceptor 1, rotates to convey two-component developer to a developing area, and thereby develops an electrostatic latent image; a developer supply member 44 that is located behind the developer carrier 41 and does not have developer conveyance force in the direction of the shaft of the developer conveyor; at least two conveyance screws 43A and 43B that are located behind the developer supply member 44 and convey the developer in the direction of the shaft of the developer conveyor; and a stir member 42 that is located behind the conveyance screw 43A and does not have developer conveyance force in the direction of the shaft of the developer conveyor but stirs the developer. The position where toner is supplied is almost intermediate between the conveyance screw 43A located furthest back and the stir member 42. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了防止由显影装置发生的调色剂掉落或散落，长时间。解决方案：显影装置包括：与感光体1相对定位的显影剂传送器41旋转以将双组分显影剂输送到显影区域，从而显影静电潜像; 显影剂供给构件44，其位于显影剂载体41的后面，并且不具有显影剂输送机的轴的方向上的显影剂输送力; 位于显影剂供应构件44后面的至少两个传送螺钉43A和43B，并沿着显影剂输送机的轴的方向输送显影剂; 以及搅拌部件42，其位于输送螺杆43A的后方，不会在显影剂输送机轴的方向上具有显影剂输送力，而是搅拌显影剂。供应调色剂的位置几乎位于最远的输送螺杆43A和搅拌构件42之间。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2005309042A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005309042A
公开(公告)日：2005-11-04
申请号：JP2004125179
申请日：2004-04-21
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： ISHIKAWA TETSUYA , KABASHIMA HIROTAKA , KOMATSU TORU
IPC分类号： G03G15/00 , G03G15/08 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for maintaining stable image formation, by allowing toner to receive excessive agitation in a development apparatus and preventing image blur caused due to developer fatigue. SOLUTION: The image forming apparatus includes a development sleeve in a development means for visualizing an electrostatic latent image formed on an image carrier, a toner-agitating means in the development means, and a detection means for detecting existence of a transfer material on a transfer material conveying passage. The image forming apparatus includes a control means for controlling at least one revolving speed of the image carrier, the development sleeve and the toner-agitating means so as to decrease it except for image formation time, when a supply interval is a fixed value or larger, by detecting the supply interval of the transfer material by the detection means. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于保持稳定的图像形成的图像形成装置，通过允许调色剂在显影装置中受到过度的搅动，并防止由于显影剂疲劳引起的图像模糊。解决方案：图像形成装置包括显影装置中的显影套筒，用于使形成在图像载体上的静电潜像可视化，显影装置中的调色剂搅拌装置，以及用于检测转印材料的存在的检测装置在转印材料输送通道上。图像形成装置包括控制装置，用于当供给间隔是固定值或更大时，用于控制图像载体，显影套筒和调色剂搅拌装置的至少一个转速，以减少图像形成时间以外的图像形成时间通过检测装置检测转印材料的供给间隔。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2005126154A Image forming device 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005126154A
公开(公告)日：2005-05-19
申请号：JP2003360355
申请日：2003-10-21
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： ISHIKAWA TETSUYA , KOMATSU TORU
IPC分类号： G03G15/00 , B65H3/06
摘要： PROBLEM TO BE SOLVED: To provide an image forming device capable of preventing a photo-sensitive drum from allowing concentration of the electric fatigue caused by image formation started at the same region on the drum at all times depending upon the size of transcription material, precluding image fogging or a drop of the image density, preventing the drum from a drop of its durability, and in a rotor in its fixation part such as a heating roller, pressurizing roller, etc., precluding a thermal deformation etc. of the rotor caused by the heating started at the same region on the rotor, and eliminating a printing loss time till replacement of a damaged rotor which may generate a poor performance of image formation.
SOLUTION: The image forming device includes a control means 100 which changes the feeding intervals of the transcription material so that the ratio of the feeding interval L of the transcription material P to the peripheral circumferential length of the rotor (photo-sensitive drum 31, heating roller 381, pressurizing roller 382, etc.) does not become approximately integer times as large and controls a feeding means so as to change the feeding intervals of the transcription material in conformity to the information given by a transcription material feeding interval entering means.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种图像形成装置，其能够防止感光鼓根据转录的大小始终在鼓的相同区域始终开始形成的电疲劳浓度材料，防止图像雾化或图像浓度下降，防止滚筒耐久性下降，并且在其固定部分中的转子中，例如加热辊，加压辊等，以防止热变形等由加热引起的转子在转子的相同区域开始，并且消除了打印损失时间，直到更换可能产生较差成像性能的损坏的转子。解决方案：图像形成装置包括控制装置100，其改变转录材料的进给间隔，使得转印材料P的进给间隔L与转子的周向周长（感光鼓 31，加热辊381，加压辊382等）不会变成近似整数倍，并且控制进给装置，以便根据转录材料供给间隔进入的信息来改变转录材料的进给间隔手段。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005070383A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005070383A
公开(公告)日：2005-03-17
申请号：JP2003299643
申请日：2003-08-25
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： KOMATSU TORU
IPC分类号： G03G21/00 , G03G15/08 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which stably prevents, over a period of time, the inside of the apparatus from being soiled with toner scattering from a development unit. SOLUTION: The electrophotographic image forming apparatus having a development unit for storing specific developer includes: a suction port formed in the vicinity of the opening of the development unit disposed in a development area for developing an electrostatic latent image on a photoreceptor; a suction means for sucking toner scattering from the development unit into the suction port; and a control means for calculating the amount of sucked air on the basis of developer consumption information about the amount of consumption of developer transferred to paper, and controlling the suction means. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种图像形成装置，其在一段时间内稳定地防止装置的内部被来自显影单元的调色剂飞散而弄脏。解决方案：具有用于存储特定显影剂的显影单元的电子摄影图像形成装置包括：形成在显影单元的开口附近的吸入口，其设置在显影区域中，用于在感光体上显影静电潜像; 用于将调色剂从显影单元吸入吸入口的抽吸装置; 以及控制装置，用于基于关于转印到纸张上的显影剂的消耗量的显影剂消耗量来计算吸入空气量，并且控制吸引装置。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005037478A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2005037478A
公开(公告)日：2005-02-10
申请号：JP2003197766
申请日：2003-07-16
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： ISHIKAWA TETSUYA , KOMATSU TORU
IPC分类号： B41J29/38 , B41J5/30 , G03G15/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus for forming an image with good productivity even when modifying a conveying speed of a transfer material in the case of forming the image by alternatingly using the transfer materials of which heat capacities are large and small. SOLUTION: The image forming apparatus is provided with a control means for forming the image by modifying the conveying speed of the transfer material in response to the sort of the transfer material. The control means calculates and compares a first image formation time in a first image formation mode and a second image formation time in a second image formation mode when forming the image on the basis of JOB information and JOB data, and forms the image in a shorter image formation mode in the image formation mode. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于在通过交替使用热容量大的转印材料形成图像的情况下改变转印材料的输送速度的同时以高生产率形成图像的图像形成装置和小。解决方案：图像形成装置设置有用于通过根据转印材料的种类修改转印材料的输送速度来形成图像的控制装置。控制装置在根据JOB信息和JOB数据形成图像时，以第二图像形成模式计算并比较第一图像形成模式中的第一图像形成时间和第二图像形成时间，并且将图像缩短图像形成模式中的图像形成模式。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005017742A Developing device and image forming apparatus 有权
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2005017742A
公开(公告)日：2005-01-20
申请号：JP2003182979
申请日：2003-06-26
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： SHIGETA KUNIO , AKITA HIROSHI , ITAGAKI SEIKO , KOMATSU TORU , YAMAGUCHI SEIJI
IPC分类号： G03G9/10 , G03G15/08 , G03G21/10
CPC分类号： G03G15/0887 , G03G15/0853 , G03G15/0893 , G03G2215/0119 , G03G2215/0819
摘要： PROBLEM TO BE SOLVED: To provide a developing device and an image forming apparatus capable of ensuring satisfactory developer stirring without reducing the developer conveyance speed, therefore capable of reliably forming an image of high image quality. SOLUTION: In the developing device, a first and a second stirring means to circulate and convey the two-component developer are disposed in housing, a third stirring means having a smaller axial length than the second stirring means and having substantially no conveying ability is also disposed in a position corresponding to a part upstream in the developer conveyance direction of the second stirring means, the housing has an opening for toner replenishment in a place above the opposite parts of the second and third stirring means and upstream in the developer conveyance direction of the second stirring means, and the third stirring means is rotated in such a way that its peripheral surface is moved downward in the forward direction with respect to the second stirring means. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够确保令人满意的显影剂搅拌而不降低显影剂输送速度的显影装置和图像形成装置，因此能够可靠地形成高图像质量的图像。解决方案：在显影装置中，用于循环和输送双组分显影剂的第一和第二搅拌装置设置在壳体中，第三搅拌装置具有比第二搅拌装置更小的轴向长度，并且基本上没有输送能力也被设置在与第二搅拌装置的显影剂传送方向上游的部分相对应的位置处，壳体具有用于在第二和第三搅拌装置的相对部分上方和显影剂上游的位置上进行调色剂补充的开口第二搅拌装置的输送方向和第三搅拌装置的旋转方式使得其周面相对于第二搅拌装置沿向前方向向下移动。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2013105112A Fixing device and image forming apparatus 有权
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2013105112A
公开(公告)日：2013-05-30
申请号：JP2011250276
申请日：2011-11-16
申请人： Konica Minolta Business Technologies Inc , コニカミノルタビジネステクノロジーズ株式会社
发明人： OKUNO HITOKI , WASUMI TOSHIHIRO , KOMATSU TORU
IPC分类号： G03G15/20 , G03G21/14
CPC分类号： G03G15/2064 , G03G15/2053 , G03G21/1647
摘要： PROBLEM TO BE SOLVED: To provide a fixing device and an image forming apparatus which realize fixing processing where paper creases are difficult to be generated.SOLUTION: A fixing device 22 fixes a toner image on a sheet P by passing the sheet P having the toner image formed thereon through between a first roller 221 and a second roller 222 (a belt member 224). The fixing device 22 comprises a drive control part 50 which rotates the first roller 221 and the second roller 222 by respectively different driving conditions. The drive control part 50 rotates the first roller 221 at a constant circumferential speed in a state where at least the first roller 221 and the second roller 222 are pressed to contact with each other, and executes a control for rotating the second roller 222 by a constant torque which stops a rotation of the second roller 222 when a rotation of the first roller 221 is stopped.
摘要翻译：要解决的问题：提供一种定影装置和图像形成装置，其实现难以产生纸张折痕的定影处理。解决方案：定影装置22通过使形成在其上的调色剂图像的片材P通过第一辊221和第二辊222（带构件224）之间而使调色剂图像定影在片材P上。定影装置22包括驱动控制部分50，该驱动控制部分50分别通过不同的驱动条件旋转第一辊221和第二辊222。驱动控制部50在至少第一辊221和第二辊222被按压而彼此接触的状态下以恒定的圆周速度旋转第一辊221，并且执行用于使第二辊222旋转的控制当第一辊221的旋转停止时停止第二辊222的旋转的恒定扭矩。版权所有（C）2013，JPO＆INPIT

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