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51.发明授权Developing device, process cartridge, image forming apparatus, and developer discharge device having a discharge port 有权具有排出口的显影装置，处理盒，成像装置和显影剂排出装置公开(公告)号：US08620194B2
公开(公告)日：2013-12-31
申请号：US13413262
申请日：2012-03-06
IPC分类号： G03G15/08
CPC分类号： G03G15/0893 , G03G15/0855 , G03G15/0865 , G03G2215/0827
摘要： A developing device, process cartridge and image forming apparatus of a premix developing system, with which developer splashed by the transport member is not discharged from the device, fluctuations of the amount of developer discharged to the outside are not produced, and the output image quality is stable. This developing device is provided with a pocket part, which is installed in a depressed manner facing the outside in relation to the transport route formed by the transport member, and into and out of which part of the developer transported in the transport route flows. This pocket part is provided with a discharge port for discharging developer to outside the device when the surface of the developer flowing into the pocket part exceeds a specified height.
摘要翻译： 预处理显影系统的显影装置，处理盒和图像形成装置，由传送构件溅出的显影剂不会从装置中排出，不会产生排出到外部的显影剂的量的波动，并且输出图像质量 是稳定的 该显影装置设置有袋部，其相对于由输送部件形成的输送路径以面向外部的凹陷方式安装，并且输送到输送路径中输送的显影剂的哪一部分流动。 该袋部设置有当显影剂流入袋部的表面超过规定高度时将显影剂排出到装置外部的排出口。
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52.发明授权Development apparatus having two developer bearers and two development chambers 有权具有两个显影剂载体和两个显影室的显影装置公开(公告)号：US08041269B2
公开(公告)日：2011-10-18
申请号：US11757847
申请日：2007-06-04
申请人： Tatsuya Kubo , Yoshitaka Fujinuma , Takashi Suzuki , Susumu Tateyama , Tsutomu Nakagawa , Masayoshi Nakayama
发明人： Tatsuya Kubo , Yoshitaka Fujinuma , Takashi Suzuki , Susumu Tateyama , Tsutomu Nakagawa , Masayoshi Nakayama
IPC分类号： G03G15/09
CPC分类号： G03G15/0815 , G03G2215/0648 , G03G2215/0838
摘要： A development apparatus includes a first developer chamber configured to store and supply the developer, a first developer bearer configured to convey the developer supplied from the first developer chamber to a first development domain, defined by a portion of the first developer bearer facing a latent image bearer, to develop the latent image, a second developer bearer configured to convey the developer passed through the first development domain to a second development domain, defined by a portion of the second developer bearer facing the latent image bearer, to develop the latent image, a second developer chamber configured to recover the developer passing through the second development domain and store the recovered developer, and a transfer prevention member provided between the second developer chamber and the second developer bearer to reduce a transfer of the developer from the second developer chamber to the second developer bearer.
摘要翻译： 显影装置包括构造成存储和供应显影剂的第一显影剂室，构造成将从第一显影剂室供应的显影剂输送到第一显影区域的第一显影剂承载体，所述第一显影区域由面向潜像的第一显影剂载体的一部分 承载，以开发潜在图像;第二开发者承载，被配置为将通过第一开发域的开发者传达到由面向潜象承载的第二开发者承载的一部分限定的第二开发域，以展开潜像， 第二显影剂室被配置成回收通过第二显影区域并存储回收的显影剂的显影剂，以及设置在第二显影剂室和第二显影剂载体之间的转印防止构件，以减少显影剂从第二显影剂室转移到 第二个开发者承担。
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53.发明授权Developing device, process cartridge, and image forming apparatus having a discharge port facing a section of a transport member without a screw part 有权显影装置，处理盒和图像形成装置，其具有面向不具有螺丝部分的传送部件的部分的排出口公开(公告)号：US08027623B2
公开(公告)日：2011-09-27
申请号：US12203441
申请日：2008-09-03
IPC分类号： G03G15/08
CPC分类号： G03G15/0893 , G03G15/0877 , G03G2215/0145 , G03G2215/0822 , G03G2215/0838
摘要： A developing device, process cartridge and image forming apparatus of a premix developing system, with which developer splashed by the transport member is not discharged from the discharge port, fluctuations of the amount of developer discharged to the outside are not produced, and the output image quality is stable. The transport member comprises, in a part thereof in the longitudinal direction, a cutaway region where the screw part is not formed. The discharge port faces the cutaway region, and is formed such that the longitudinal length thereof is smaller than that of the cutaway region. A wall part, which protrudes toward the interior of the transport route from a partition wall where the discharge port is formed, is then installed upstream of the transport route in relation to the discharge port and within the range of the cutaway region.
摘要翻译： 预处理显影系统的显影装置，处理盒和图像形成装置，由传送构件溅出的显影剂不会从排出口排出，不会产生排出到外部的显影剂的量的波动，并且输出图像 质量稳定。 传送构件在其长度方向的一部分中包括未形成螺纹部的切口区域。 排出口面向切割区域，并且形成为使得其纵向长度小于切除区域的纵向长度。 然后从输送路径的形成排出口的分隔壁朝向输送路径的内部突出的壁部相对于排出口在排出口的上游侧设置在切除区域的范围内。
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公开(公告)号：US08014706B2
公开(公告)日：2011-09-06
申请号：US12036640
申请日：2008-02-25
IPC分类号： G03G15/09
CPC分类号： G03G15/0942
摘要： A developing device is disclosed. The developing device includes a developing roller disposed to face an image carrier and a toner carrier capturing roller disposed to face the developing roller for capturing toner carriers adhered onto the image carrier. The developing roller generates a magnetic pole at a side facing the toner carrier capturing roller. A first virtual line, which connects a rotational center of the developing roller to a rotational center of the toner carrier capturing roller, passes through a region between a position where a magnetic flux density of the magnetic pole in the normal line direction is minimum on the developing roller at the upstream side in the rotational direction of the developing roller and a position where the magnetic flux density of the magnetic pole in the normal line direction is maximum on the developing roller.
摘要翻译： 公开了一种显影装置。 显影装置包括设置成面对图像载体的显影辊和设置成面对显影辊的调色剂载体捕获辊，用于捕获粘附到图像载体上的调色剂载体。 显影辊在面向调色剂载体捕获辊的一侧产生磁极。 将显影辊的旋转中心连接到调色剂承载器捕获辊的旋转中心的第一虚拟线穿过在正方向上的磁极的磁通密度最小的位置之间的区域 在显影辊的旋转方向的上游侧的显影辊和在显影辊上的法线方向的磁极的磁通密度最大的位置。
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公开(公告)号：US07826775B2
公开(公告)日：2010-11-02
申请号：US12060606
申请日：2008-04-01
IPC分类号： G03G15/08
CPC分类号： G03G15/0921 , G03G2215/0634
摘要： A disclosed developing device includes a developer carrier including a developing sleeve and a magnetic roller provided inside the developing sleeve. The magnet roller includes a regulating magnetic pole and a pump-up magnetic pole that have different polarities from each other. Among an entire region of the moving surface of the developing sleeve in the surface movement direction, a maximum pump-up magnetic force position where the pump-up magnetic force of the pump-up magnetic pole is maximum faces an upstream position with respect to a supplying position at which the developer is supplied from a supplying screw to the developing sleeve.
摘要翻译： 所公开的显影装置包括显影剂载体，该显影剂载体包括设置在显影套筒内部的显影套筒和磁性辊。 磁辊包括彼此具有不同极性的调节磁极和泵浦磁极。 在显影套筒的表面移动方向的移动表面的整个区域中，泵送磁极的泵浦磁力最大的最大泵送磁力位置面向相对于 供应位置，显影剂从供应螺杆供应到显影套筒。
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公开(公告)号：US07792466B2
公开(公告)日：2010-09-07
申请号：US11754695
申请日：2007-05-29
申请人： Masayoshi Nakayama , Yoshitaka Fujinuma , Takashi Suzuki , Susumu Tateyama , Tsutomu Nakagawa , Tatsuya Kubo
发明人： Masayoshi Nakayama , Yoshitaka Fujinuma , Takashi Suzuki , Susumu Tateyama , Tsutomu Nakagawa , Tatsuya Kubo
IPC分类号： G03G15/08
CPC分类号： G03G15/0893 , G03G15/0877 , G03G2215/0827 , G03G2215/0838
摘要： In a developing device, a receive-convey screw conveys a developer received from a developer carrier. The receive-convey screw includes a receive-convey blade including a lower, outer circumferential end located in a downstream end of the receive-convey blade in the developer conveyance direction of the receive-convey screw. A slant-convey screw is disposed obliquely relative to an axial direction of the receive-convey screw, and conveys the developer received from the receive-convey screw upward. The slant-convey screw includes a slant-convey blade including a lower, outer circumferential end located in an upstream end of the slant-convey blade in the developer conveyance direction of the slant-convey screw, the lower, outer circumferential end being located at a height level lower than the lower, outer circumferential end of the receive-convey blade.
摘要翻译： 在显影装置中，接收输送螺杆传送从显影剂载体接收的显影剂。 接收输送螺杆包括接收输送刀片，其包括位于接收输送刀片的沿着接收输送螺杆的显影剂输送方向的下游端的下外周端。 倾斜输送螺杆相对于接收输送螺杆的轴向倾斜地设置，并将从接收输送螺杆接收的显影剂向上传送。 倾斜输送螺杆包括倾斜输送刀片，该倾斜输送刀片包括在倾斜输送螺杆的显影剂输送方向上位于倾斜输送刀片的上游端的下外周端，下外周端位于 高度低于接收输送叶片的下外周端。
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公开(公告)号：US07792465B2
公开(公告)日：2010-09-07
申请号：US12031141
申请日：2008-02-14
IPC分类号： G03G15/08
CPC分类号： G03G15/0898 , G03G2215/0822 , G03G2215/0838
摘要： A disclosed developing device is for accommodating a developer including carriers and a toner, and for developing a latent image formed on an image carrier. The developing device includes plural developer conveying units configured to convey the developer accommodated in the developing device and form circulating paths; and a ventilation unit configured to perform ventilation between at least one of the developer conveying units whose internal pressure increases and at least one of the developer conveying units whose internal pressure decreases.
摘要翻译： 所公开的显影装置用于容纳包括载体和调色剂的显影剂，并用于显影形成在图像载体上的潜像。 显影装置包括多个显影剂输送单元，其构造成输送容纳在显影装置中的显影剂并形成循环路径; 以及通风单元，其构造成在其内部压力增加的至少一个显影剂输送单元和其内部压力降低的至少一个显影剂输送单元之间进行通风。
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58.发明授权Image forming apparatus having a force-converting mechanism to detach a rotary body 有权具有用于拆卸旋转体的力转换机构的图像形成装置公开(公告)号：US07616915B2
公开(公告)日：2009-11-10
申请号：US11867410
申请日：2007-10-04
CPC分类号： G03G15/757 , G03G2221/1657
摘要： A bearing detachably and rotatably holds a photoconductor. A bearing holder firmly holds the bearing. A rotating lever is provided on a rotation axis of a photoconductor between the photoconductor and the bearing holder. The bearing holder and the rotating lever are provided with many protrusions at regular intervals. At a first relative position of the bearing holder and the rotating lever, the protrusions on the bearing holder are located in between the protrusions on the rotating lever. At a second relative position of the bearing holder and the rotating lever, the protrusions on the bearing holder ride on the protrusions on the rotating lever thereby pushing the photoconductor away from the bearing and detaching the photoconductor from the bearing.
摘要翻译： 轴承可拆卸地且可旋转地保持感光体。 轴承座牢固地固定轴承。 旋转杆设置在感光体和轴承座之间的光电导体的旋转轴上。 轴承座和旋转杆以规则的间隔设置有许多突起。 在轴承座和旋转杆的第一相对位置处，轴承座上的凸起位于旋转杆上的凸起之间。 在轴承保持架和旋转杆的第二相对位置处，轴承座上的凸起位于旋转杆上的凸起上，从而将光电导体推离轴承并将感光体与轴承分离。
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公开(公告)号：US20080199205A1
公开(公告)日：2008-08-21
申请号：US12031141
申请日：2008-02-14
IPC分类号： G03G21/20
CPC分类号： G03G15/0898 , G03G2215/0822 , G03G2215/0838
摘要： A disclosed developing device is for accommodating a developer including carriers and a toner, and for developing a latent image formed on an image carrier. The developing device includes plural developer conveying units configured to convey the developer accommodated in the developing device and form circulating paths; and a ventilation unit configured to perform ventilation between at least one of the developer conveying units whose internal pressure increases and at least one of the developer conveying units whose internal pressure decreases.
摘要翻译： 所公开的显影装置用于容纳包括载体和调色剂的显影剂，并用于显影形成在图像载体上的潜像。 显影装置包括多个显影剂输送单元，其构造成输送容纳在显影装置中的显影剂并形成循环路径; 以及通风单元，其构造成在其内部压力增加的至少一个显影剂输送单元和其内部压力降低的至少一个显影剂输送单元之间进行通风。
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公开(公告)号：US20060198645A1
公开(公告)日：2006-09-07
申请号：US11367421
申请日：2006-03-06
CPC分类号： G03G21/08 , G03G15/0856 , G03G15/0862 , G03G15/0891
摘要： An image forming apparatus comprising: an image forming section and a residual toner amount detection unit. The image forming section includes a photosensitive member, a charging unit, an exposure unit, a developing unit, and a toner storage unit. The residual toner amount detection unit detects an amount of toner remaining in the developing unit. The residual toner amount detection unit includes a light-emitting element and a light-receiving element. After the toner is deposited on the photosensitive member to form a toner image until electric charge is given onto a photosensitive layer of the photosensitive member by the charging unit again, the light-emitting element removes electric charge remaining on the photosensitive layer.
摘要翻译： 一种图像形成装置，包括：图像形成部分和残余调色剂量检测单元。 图像形成部分包括感光部件，充电单元，曝光单元，显影单元和调色剂存储单元。 残留调色剂量检测单元检测剩余在显影单元中的调色剂量。 残留调色剂量检测单元包括发光元件和光接收元件。 在调色剂沉积在感光构件上以形成调色剂图像之后，再次通过充电单元向感光构件的感光层施加电荷，发光元件去除感光层上残留的电荷。
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