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1. 发明专利

JP2010217470A 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：JP2010217470A
公开(公告)日：2010-09-30
申请号：JP2009063893
申请日：2009-03-17
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： UDA KOJI , OKAMOTO KATSUMI
IPC分类号： G03G15/08 , G03G21/00 , G03G21/14
摘要： PROBLEM TO BE SOLVED: To avoid only the same part of an end peripheral face seal member due to change of a part to friction-contact on both-end peripheral faces of a developing roller from being worn in friction to be deformed in the form of a groove. SOLUTION: A developing device includes: a developer carrier 52 for carrying a developer; a regulation member 54 for regulating an amount of the developer on the developer carrier 52; an end peripheral face seal member 55 for sliding fibers on the end peripheral faces of both the ends of the regulation member 54 in a direction of a rotating shaft of the developer carrier 52; and a control means of refresh operation for determining timing of the refresh operation of the end peripheral face seal member 55 and rotating the developer carrier 52 in a reverse direction to a developing driving direction. The developer carrier 52 includes an inclined groove 52b having an inclined angle to at least the developing driving direction on the end peripheral face, and performs the refresh operation with the control means to rotate the developer carrier 52 in the reverse direction to the developing driving direction for a certain time period so as to raise the fibers of the end peripheral face seal member 55. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了避免由于在显影辊的两端周面上的部分与摩擦接触的变化而仅在端部周边密封构件的同一部分磨损摩擦而变形凹槽的形式。解决方案：显影装置包括：用于承载显影剂的显影剂载体52; 用于调节显影剂载体52上的显影剂量的调节构件54; 用于在显影剂载体52的旋转轴的方向上在调节构件54的两端的端面上滑动纤维的端部外周面密封构件55; 以及用于确定端部周边密封构件55的刷新操作的定时并使显影剂载体52沿与显影驱动方向相反的方向旋转的刷新操作的控制装置。显影剂载体52包括在端面周向至少具有与显影驱动方向成倾斜角度的倾斜槽52b，并且通过控制装置执行刷新操作，以使显影剂载体52沿显影驱动方向相反的方向旋转一段时间，以便提高端部周边密封件55的纤维。版权所有：（C）2010，JPO＆INPIT

2. 发明专利

JP2010032585A Cleaning device for image carrier, cleaning bias control method, and image forming apparatus 有权
标题翻译：用于图像载体的清洁装置，清洁偏移控制方法和图像形成装置
公开(公告)号：JP2010032585A
公开(公告)日：2010-02-12
申请号：JP2008191792
申请日：2008-07-25
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： KOBASHI MASARU , YAMADA YOICHI , UDA KOJI
IPC分类号： G03G21/10 , G03G15/01
摘要： PROBLEM TO BE SOLVED: To efficiently improve cleaning performance to remove residual non-transferred toner remaining on an image carrier after transfer. SOLUTION: The cleaning device 4 for a photoreceptor 2 includes a brush roller 4a to which brush roller bias V 1 (V) for forming electric field having a polarity reverse to toner on the photoreceptor 2 after transferring a toner image electrified to have a predetermined polarity is applied, and a collecting roller 4c which abuts on the brush roller 4a and to which collecting roller bias V 2 (V) for forming the electric field having the polarity reverse to the toner on the brush roller 4a is applied, wherein collecting bias V cl (V) that is the absolute value of a bias difference between the collecting roller bias V 2 (V) and the brush roller bias V 1 (V) is equal to or under the absolute value of discharge start voltage V th (V) between the brush roller 4a and the collecting roller 4c holding toner in between. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了有效地提高清洁性能，以去除转印后残留在图像载体上的残留的未转印的调色剂。解决方案：用于感光体2的清洁装置4包括刷辊4a，用于在感光体2上形成具有与调色剂反转的极性的电场的刷辊偏压V SB 1（V）传送带电的具有预定极性的调色剂图像;以及与刷辊4a抵接并且用于形成电场的收集辊偏压V 2 （V）的收集辊4c，施加与刷辊4a上的调色剂相反的极性，其中作为收集辊偏压V SB＆gt; 2

3. 发明专利

JP2009244440A Developing device, image forming apparatus, and developer cartridge 审中-公开
标题翻译：开发设备，图像形成装置和开发者盒
公开(公告)号：JP2009244440A
公开(公告)日：2009-10-22
申请号：JP2008089051
申请日：2008-03-31
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： UDA KOJI , OKAMOTO KATSUMI , SATO MAKOTO , AOKI TAKESHI , NAKATSU SATOSHI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To prevent deterioration of an output image by eliminating nonuniform quality of a developer in a developing chamber, in a developing device using a one-component developer. SOLUTION: The developing device includes: a housing 51 forming the developing chamber A inside; a developer storage section 55 forming a developer chamber B inside and storing developer composed of one component; a stirring section 57 forming a stirring chamber C inside and having a stirring means 58 in the stirring chamber C; a first conveying path 501 that supplies developer from the developer storage chamber B to the stirring chamber A; a second conveying path 502 that supplies developer to the upper part of the developing chamber A from the stirring chamber C; a third conveying path 503 that recovers developer from the lower part of the developing chamber A to the stirring chamber C; a developer carrier 52 that is disposed in the developing chamber A; a developer supply member 53; and a regulating member 54. The first, second, and third conveying paths 501, 502, and 503 are driven to convey the developer. The stirring means 58 is operated to stir the developer in the stirring chamber C. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：在使用单组分显影剂的显影装置中，通过消除显影室中的显影剂的不均匀质量来防止输出图像的劣化。解决方案：显影装置包括：内部形成显影室A的壳体51; 形成显影室B的显影剂储存部分55，并存储由一个部件组成的显影剂; 在搅拌室C内部形成搅拌室C并在搅拌室C内具有搅拌装置58的搅拌部57; 将显影剂从显影剂储存室B供给到搅拌室A的第一输送路径501; 将显影剂从搅拌室C供给到显影室A的上部的第二输送路径502; 将显影剂从显影室A的下部回收到搅拌室C的第三输送路径503; 设置在显影室A中的显影剂载体52; 显影剂供应构件53; 和调节构件54.驱动第一，第二和第三输送路径501,502和503以输送显影剂。操作搅拌装置58以搅拌搅拌室C中的显影剂。版权所有：（C）2010，JPO＆INPIT

4. 发明专利

JP2009237028A Developing device, image forming apparatus, and developer cartridge 审中-公开
标题翻译：开发设备，图像形成装置和开发者盒
公开(公告)号：JP2009237028A
公开(公告)日：2009-10-15
申请号：JP2008079970
申请日：2008-03-26
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： OKAMOTO KATSUMI , FUKUMOTO TAKATOMO , SATO MAKOTO , AOKI TAKESHI , UDA KOJI
IPC分类号： G03G15/08 , G03G13/095
摘要： PROBLEM TO BE SOLVED: To obtain a developing device using a one-component developer, where a good-quality developer is supplied to a developing chamber so as to improve an output image. SOLUTION: The developing device is equipped with: a housing 51 forming the developing chamber A inside and configured to store the developer composed of one component; a developer supply means 59 having at least a separation part 57 forming a separation chamber C having a first aperture and a second aperture located lower than the first aperture inside; a stirring means 58 arranged in the separation chamber C and stirring the developer upward; a first conveyance path 501 supplying the developer from the first aperture to the upper side of the developing chamber A; a second conveyance path 502 collecting the developer from the lower side of the developing chamber A to the second aperture; a developer carrier 52 arranged in the developing chamber A and carrying the developer; a developer supply member 53 arranged in the developing chamber A and supplying the developer to the developer carrier 52; and a regulation member 54 abutting on the developer carrier 52 and regulating the developer on a surface of the developer carrier 52. The first and second conveyance paths 501 and 502 are driven to convey the developer, and also the stirring means 58 is operated to separate the developer in the separation chamber. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了获得使用单组分显影剂的显影装置，其中将优质显影剂供应到显影室以便改善输出图像。解决方案：显影装置配备有：形成显影室A的壳体51，并且构造成存储由一个部件组成的显影剂; 显影剂供应装置59至少具有形成具有第一孔的分离室C的分隔部分57和位于比内部的第一孔低的第二孔口; 搅拌装置58布置在分离室C中并向上搅拌显影剂; 将显影剂从第一孔提供到显影室A的上侧的第一输送路径501; 将显影剂从显影室A的下侧收集到第二孔的第二输送路径502; 布置在显影室A中并承载显影剂的显影剂载体52; 布置在显影室A中并将显影剂供应到显影剂载体52的显影剂供应构件53; 以及与显影剂载体52邻接并调节显影剂载体52的表面上的显影剂的调节构件54.驱动第一和第二输送路径501和502以输送显影剂，并且操作搅拌装置58以分离分离室中的显影剂。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010217488A Developing apparatus and image forming apparatus 审中-公开
标题翻译：开发设备和图像形成设备
公开(公告)号：JP2010217488A
公开(公告)日：2010-09-30
申请号：JP2009064018
申请日：2009-03-17
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： SATO MAKOTO , UDA KOJI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To equalize degradation of developers in a developing chamber and to suppress degradation of the developers, thereby reducing the occurrence of fogging occurring when a degraded developer and a new almost-not-degraded developer are mixed together. SOLUTION: A developing apparatus includes: the developing chamber 51; a developer carrier 52 carrying a developer; a developer supply member 53 supplying the developer to the developer carrier 52; a regulation member 54 regulating a quantity of the developer on the developer carrier 52; developer conveying parts 58-1 to 58-4 conveying a developer dropping from the lower part of the developer supply member 53 to be collected and supplying the developer again to the developing chamber 51; and an abutment member 59 to be brought into contact with or separated from the developer supply member 53 to control the flow of the developer dropping through a clearance between the developer supply member 53 and the developing chamber 51. When the abutment member 59 is controlled to be brought into contact with or separated from the developer supply member according to the mixing condition between the degraded developer and the new hardly-degraded developer, degradation of developers in the developing chamber 51 is equalized and the progression of degradation of the developers is suppressed. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了均衡显影室中的显影剂的降解并且抑制显影剂的降解，从而减少当劣化的显影剂和新的几乎不劣化的显影剂混合在一起时发生的起雾的发生。解决方案：显影装置包括：显影室51; 携带显影剂的显影剂载体52; 将显影剂供应到显影剂载体52的显影剂供应构件53; 限制构件54，其调节显影剂载体52上的显影剂的量; 显影剂输送部件58-1至58-4输送显影剂从显影剂供应部件53的下部落下并被收集，并将显影剂再次供给到显影室51; 以及抵接构件59，以与显影剂供应构件53接触或分离，以控制显影剂从显影剂供应构件53和显影室51之间的间隙下落的流动。当抵靠构件59被控制到根据劣化的显影剂和新的几乎不降解的显影剂之间的混合条件与显影剂供应构件接触或与显影剂供应构件分离，显影室51中的显影剂的劣化被均衡，并且显影剂的劣化进展被抑制。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010210650A 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：JP2010210650A
公开(公告)日：2010-09-24
申请号：JP2009053273
申请日：2009-03-06
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： SATO MAKOTO , UDA KOJI
IPC分类号： G03G15/08 , G03G15/04 , G03G15/043
摘要： PROBLEM TO BE SOLVED: To reduce the occurrences of fogging generate, when fresh developer is supplied. SOLUTION: A developing device includes a developing chamber 51; a developer-transporting member 52, disposed in the developing chamber 51 and used for transporting the developer; a developer supply member 53, disposed in the developing chamber 51 and used for supplying developer to the developer-transporting member 52; a regulating member 54, disposed in the developing chamber 51 and used for regulating the amount of developer on the developer-transporting member 52; and developer-transporting members 58-1 to 58-4, which transport developer, dropping from a lower part of the developer supply member 53 and recovered and resupplies the developer to the developing chamber 51; and a developer-shielding means 59 for opening or shielding an opening 55b disposed below the developer supply member 53 on which the developer falls. When the amount of residual developer decreases, the opening 55n below the developer supply member 53, on which the developer drops is shielded, and developer caused to fall through the opening 55b and recovered is transported and is used up. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了减少当提供新鲜的显影剂时产生的雾化的发生。解决方案：显影装置包括显影室51; 显影剂传送构件52，设置在显影室51中并用于运送显影剂; 显影剂供应构件53，设置在显影室51中，用于向显影剂传送构件52供应显影剂; 调节构件54，设置在显影室51中并用于调节显影剂传送构件52上的显影剂的量; 和显影剂输送构件58-1至58-4，其传送显影剂，从显影剂供应构件53的下部落下并将显影剂重新补给显影室51; 以及用于打开或遮蔽设置在显影剂供应构件53下方的开口55b的显影剂屏蔽装置59，显影剂下降。当残留显影剂的量减少时，显影剂供应构件53下面的显影剂滴下的开口55n被屏蔽，并且通过开口55b而回收的显影剂被输送并被用尽。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2010020201A Image forming apparatus and image forming method 审中-公开
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2010020201A
公开(公告)日：2010-01-28
申请号：JP2008182265
申请日：2008-07-14
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： KOBASHI MASARU , YAMADA YOICHI , UDA KOJI , FUKUMOTO TAKATOMO
IPC分类号： G03G21/10 , G03G15/02
CPC分类号： G03G21/0035 , G03G2221/0005
摘要： PROBLEM TO BE SOLVED: To suppress the occurrence of an external-additive memory, using external additive which remains in an image carrier, after a transfer.
SOLUTION: The image forming apparatus 1 includes: a photoreceptor 2 that is rotatably provided and on which a latent image is formed; an exposure device 6 that writes the latent image on the photoreceptor 2; a developing device 7 that develops the latent image on the photoreceptor 2, by using toner negatively charged and having the external additive that is externally added; a transfer device 8 that transfers a toner image developed on the photoreceptor 2 to a transfer medium 9; a first brush roller 3a that negatively charges the photoreceptor 2, transfer residual toner remaining on the photoreceptor 2 and the external additive, after transfer; a second brush roller 4a, that electrostatically attracts the transfer residual toner and the external additive charged by the first brush roller 3a; and a second charger 5 that adjusts an electric potential of the photoreceptor 2, by charging the part of the photoreceptor 2 that has passed the second brush roller 4a to an electric potential smaller in absolute value.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：在转移之后，使用残留在图像载体中的外部添加剂来抑制外部添加剂存储器的发生。解决方案：图像形成装置1包括：可旋转地设置并且在其上形成潜像的感光体2; 将潜像写入感光体2的曝光装置6; 显影装置7，通过使用带负电的调色剂和外部加入的外部添加剂来显影感光体2上的潜像; 转印装置8，其将在感光体2上显影的调色剂图像转印到转印介质9上; 第一刷辊3a，对转印后的感光体2进行负电荷，转印残留在感光体2上的剩余调色剂和外添加剂; 第二刷辊4a，静电吸引转印残留调色剂和由第一刷辊3a充电的外部添加剂; 以及通过将已经通过第二刷辊4a的感光体2的部分充电到绝对值较小的电位来调节感光体2的电位的第二充电器5。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2009244455A Development cartridge, development unit, and image forming apparatus 审中-公开
标题翻译：开发商，发展单位和图像形成装置
公开(公告)号：JP2009244455A
公开(公告)日：2009-10-22
申请号：JP2008089100
申请日：2008-03-31
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： AOKI TAKESHI , OKAMOTO KATSUMI , UDA KOJI , SATO MAKOTO
IPC分类号： G03G15/08
CPC分类号： G03G15/0822 , G03G2215/0822 , G03G2215/0838 , G03G2215/0844
摘要： PROBLEM TO BE SOLVED: To provide a development cartridge capable of changing a charge amount of a toner in a development chamber 51Y to match with a print image, when the print image is changed, a development unit, and an image forming apparatus. SOLUTION: The development cartridge includes: a developer carrier 52Y which carries the toner; a toner supply member 53Y which supplies the toner to the developer carrier 52Y; a regulation member 54Y which regulates an amount of the toner on the developer carrier 52Y; a development chamber 51Y which has the developer carrier 52Y and the toner supply member 53Y; a transport section 55Y which is connected to an upper portion and a lower portion of the development chamber 51Y to transport the toner from the lower portion of the development chamber 51Y to the upper portion of the development chamber; transport means 56Y, 57Y and 58Y which are disposed in the transport section 55Y and transport the toner while agitating the toner; an input means which inputs a print image; and a control means which controls a toner transport speed of the transport means 56Y, 57Y and 58Y in accordance with the print image. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够改变显影室51Y中的调色剂的电荷量以与打印图像匹配的显影盒，当打印图像改变时，显影单元和图像形成装置。解决方案：显影盒包括：承载调色剂的显影剂载体52Y; 将调色剂供给显影剂载体52Y的调色剂供应构件53Y; 限制构件54Y，其调节显影剂载体52Y上的调色剂的量; 具有显影剂载体52Y和调色剂供给部件53Y的显影室51Y; 传送部分55Y，其连接到显影室51Y的上部和下部，以将调色剂从显影室51Y的下部传送到显影室的上部; 传送装置56Y，57Y和58Y，它们设置在传送部分55Y中并在搅拌调色剂的同时传送调色剂; 输入装置，其输入打印图像; 以及根据打印图像控制输送装置56Y，57Y和58Y的调色剂输送速度的控制装置。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009244438A Developing device and image forming apparatus equipped with developing device 审中-公开
标题翻译：具有开发装置的开发装置和图像形成装置
公开(公告)号：JP2009244438A
公开(公告)日：2009-10-22
申请号：JP2008089038
申请日：2008-03-31
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： SATO MAKOTO , OKAMOTO KATSUMI , UDA KOJI , AOKI TAKESHI , NAKATSU SATOSHI
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device which allows easy disposal of the deteriorated toner to shorten processing time and prevents mixing of new toner with deteriorated toner, with a simple configuration, and an image forming apparatus equipped with the developing device. SOLUTION: The developing device includes: a replaceable toner cartridge; a development chamber; a waste toner tank; a first transport path which connects the toner cartridge to the development chamber; a second transport path which connects the development chamber to the waste toner tank; and a third transport path which connects the waste toner tank to the development chamber. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决方案：提供一种显影装置，其能够容易地处理劣化的调色剂以缩短处理时间，并且防止新调色剂与劣化的调色剂的混合，具有简单的构造，以及配备有显影装置的图像形成装置。解决方案：显影装置包括：可替换的调色剂盒; 开发室; 废粉罐; 将调色剂盒连接到显影室的第一传送路径; 将显影室连接到废调色剂罐的第二输送路径; 以及将废调色剂罐连接到显影室的第三输送路径。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009192726A Developing device and image forming device 审中-公开
标题翻译：开发设备和图像形成装置
公开(公告)号：JP2009192726A
公开(公告)日：2009-08-27
申请号：JP2008032071
申请日：2008-02-13
申请人： Seiko Epson Corp , セイコーエプソン株式会社
发明人： UDA KOJI , OKADA HIDEKI , ARIGA TOMOHIRO , KATSUKI KIYOTERU
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developing device capable of regulating precisely and stably a space between an image carrier and a developing roller, and an image forming device provided with the developing device. SOLUTION: This developing device includes the image carrier, the developing roller provided to oppose a developer conveying face to the image carrier with a prescribed developing gap, and for conveying a developer to the image carrier, and gap regulation members provided in both end parts of the developing roller, and for abutting on the image carrier to regulate the developing gap, a rotary shaft inserted penetratedly through the gap regulation members, of which the shaft diameter is variable, is provided in the developing roller, and the developing roller is made to be moved along a rotary shaft direction. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够精确稳定地调节图像载体和显影辊之间的空间的显影装置，以及设置有显影装置的图像形成装置。解决方案：该显影装置包括图像载体，显影辊被设置成以规定的显影间隙与显影剂输送面相对于图像载体，并将显影剂输送到图像载体，以及间隔调节部件显影辊的端部，并且为了抵靠在图像载体上以调节显影间隙，在显影辊中设置有穿过间隙限制部件插入的轴径可变的旋转轴，显影辊使其沿旋转轴方向移动。版权所有（C）2009，JPO＆INPIT

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