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公开(公告)号：US08260175B2
公开(公告)日：2012-09-04
申请号：US13253559
申请日：2011-10-05
IPC分类号： G03G15/08
CPC分类号： G03G21/105
摘要： A developing apparatus for an image forming apparatus. In order to suppress toner scattering that may occur after a development operation has been halted for a long time, the developer is transferred to a developer storage unit on the exterior of the developing machine when the development operation ends. A range in which an angle of a restricting member upstream side central angle α, which is a central angle of the surface of a developing roller on the upstream side of a restricting member opposing position opposing a developer amount restricting member in a surface motion direction of the developing roller, is not less than 0° and not more than 60° is set as a low magnetic flux density area γ in which the maximum value of a normal direction magnetic flux density on the surface of the developing roller is not more than 30 mT.
摘要翻译： 一种用于图像形成装置的显影装置。 为了抑制显影操作长时间停止后可能发生的调色剂飞散，当显影操作结束时，显影剂转移到显影机外部的显影剂储存单元。 限制构件上游侧中心角α的角度的范围，该限制构件的上游侧中心角α是显影辊的表面的表面移动方向上的与限制构件相对的位置的相对位置的上游侧的表面的中心角 显影辊不小于0°且不大于60°被设定为低磁通密度区域γ，其中显影辊表面上的法向方向磁通密度的最大值不大于30 公吨。
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公开(公告)号：US08185021B2
公开(公告)日：2012-05-22
申请号：US12896623
申请日：2010-10-01
IPC分类号： G03G15/08
CPC分类号： G03G15/0849 , G03G15/0879 , G03G15/0893
摘要： A developing device includes a developing unit, a developer agitating unit, a developer conveying unit, and a toner supplementing unit. The developing unit develops an electrostatic latent image on an image carrier with a developer containing toner and carrier. The developer agitating unit agitates the developer. The developer conveying unit connects the developing unit and the developer agitating unit, and conveys the developer from the developing unit to the developer agitating unit. The toner supplementing unit is connected to the developer conveying unit, and supplements toner to the developer conveyed from the developing unit to the developer agitating unit.
摘要翻译： 显影装置包括显影单元，显影剂搅拌单元，显影剂输送单元和调色剂补充单元。 显影单元用含有调色剂和载体的显影剂在图像载体上显影静电潜像。 显影剂搅拌单元搅动显影剂。 显影剂输送单元连接显影单元和显影剂搅拌单元，并将显影剂从显影单元传送到显影剂搅拌单元。 调色剂补充单元连接到显影剂输送单元，并将调色剂补充到从显影单元传送到显影剂搅拌单元的显影剂。
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3.发明授权Developing device including improved conveying device, process cartridge and image forming apparatus using the same 有权显影装置，包括改进的输送装置，处理盒和使用其的成像装置公开(公告)号：US07783233B2
公开(公告)日：2010-08-24
申请号：US11748726
申请日：2007-05-15
IPC分类号： G03G15/08
CPC分类号： G03G15/0893 , G03G15/0877 , G03G15/0879 , G03G2215/0822 , G03G2215/0838
摘要： A developing device for an image forming apparatus that uses developing agent supplied from a supplying device. The developing device includes a developing roller configured to bear the developing agent thereon and develop a toner image on an image bearing member. The device also includes a supply and circulation system configured to receive developing agent from the supplying device, and being configured to supply the developing agent to the developing roller and circulate the developing agent within the developing device. The system includes an agitate conveying member, and a circulation route having at least a portion that extends upward. The agitate conveying member is provided within the upwardly extending portion of the circulation route, and is configured to convey the developing agent upward through the upwardly extending portion of the circulation route.
摘要翻译： 一种使用从供给装置供给的显影剂的图像形成装置的显影装置。 显影装置包括构造成在其上承载显影剂并在图像承载部件上显影调色剂图像的显影辊。 该装置还包括配置成从供应装置接收显影剂的供应和循环系统，并且构造成将显影剂供应到显影辊并使显影剂在显影装置内循环。 该系统包括搅拌输送构件和至少部分向上延伸的循环路径。 搅拌输送构件设置在循环路线的向上延伸部分内，并且构造成将显影剂向上输送通过循环路线的向上延伸的部分。
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4.发明授权公开(公告)号：US07729642B2
公开(公告)日：2010-06-01
申请号：US11514933
申请日：2006-09-05
IPC分类号： G03G15/08
CPC分类号： G03G15/0893 , G03G15/0877 , G03G15/0879 , G03G2215/0827
摘要： An agent transport unit for transporting an agent from a first container to a second container includes a transport route and a pump. The transport route connects the first container and second container, and includes at least one of a first route, a second route, and a third route. The first route extends in a substantially horizontal direction, the second route extends in a substantially vertical direction, and the third route extends in a substantially inclined direction with a repose angle equal to or less than that of the agent. The pump supplies a gas flow into the transport route to transport the agent in the transport route.
摘要翻译： 用于将药剂从第一容器输送到第二容器的药剂输送单元包括输送路径和泵。 运输路线连接第一容器和第二容器，并且包括第一路线，第二路线和第三路线中的至少一个。 第一路线在基本上水平的方向上延伸，第二路线在大致垂直的方向上延伸，第三路线以基本上倾斜的方向延伸，具有等于或小于代理的休止角。 泵将气流供应到运输路线中以在运输路线中运输代理。
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公开(公告)号：US20080226349A1
公开(公告)日：2008-09-18
申请号：US12048705
申请日：2008-03-14
IPC分类号： G03G15/10
CPC分类号： G03G15/0893 , G03G15/0855 , G03G15/0865 , G03G2215/0822 , G03G2215/0838
摘要： An image forming apparatus includes a development device for supplying a developer containing toner and carrier to an electrostatic latent image carrying member for carrying thereon an electrostatic latent image, or a process cartridge for integrally storing the development device and the electrostatic latent image carrying member. The development device includes a conveyance path for charging and conveying the developer, and a developer carrying member for developing the electrostatic latent image into a toner image with the use of the developer conveyed through the conveyance path. The conveyance path includes a first conveyance member for receiving replenished toner and generating conveyance force for conveying the replenished toner and the developer in one direction, and a second conveyance member for generating conveyance force for conveying a portion of the developer conveyed by the first conveyance member in the opposite direction to the conveyance direction of the first conveyance member.
摘要翻译： 图像形成装置包括用于将含有调色剂和载体的显影剂供给到用于承载静电潜像的静电潜像承载构件的显影装置或用于整体地存储显影装置和静电潜像承载构件的处理盒。 显影装置包括用于充电和输送显影剂的输送路径和用于通过使用通过输送路径输送的显影剂将静电潜像显影成调色剂图像的显影剂承载构件。 输送路径包括用于接收补充调色剂并产生用于沿一个方向输送补充调色剂和显影剂的输送力的第一输送构件，以及用于产生输送力的第二输送构件，用于输送由第一输送构件输送的显影剂的一部分 在与第一输送构件的输送方向相反的方向上。
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公开(公告)号：US08139985B2
公开(公告)日：2012-03-20
申请号：US12842058
申请日：2010-07-23
IPC分类号： G03G15/08
CPC分类号： G03G21/105
摘要： A developing apparatus using a two-component developer constituted by a magnetic carrier and a toner, and an image forming apparatus comprising the developing apparatus. A developing unit and a stirring unit are provided, and in order to suppress toner scattering that may occur after a development operation has been halted for a long time, and thereby suppress contamination of the apparatus interior, the developer in a developing machine is transferred to a stirrer serving as a developer storage unit on the exterior of the developing machine when the development operation ends. Further, to extend the life of the developer, a range in which an angle of a restricting member upstream side central angle α, which is a central angle of the surface of a developing roller serving as a developer carrier on the upstream side of a restricting member opposing position opposing a doctor blade serving as a developer amount restricting member in a surface motion direction of the developing roller, is not less than 0[°] and not more than 60[°] is set as a low magnetic flux density area γ in which the maximum value of a normal direction magnetic flux density on the surface of the developing roller is not more than 30 [mT].
摘要翻译： 使用由磁性载体和调色剂构成的双组分显影剂的显影装置和包括显影装置的图像形成装置。 提供了显影单元和搅拌单元，并且为了抑制显影操作长时间停止后可能发生的调色剂飞散，从而抑制了设备内部的污染，将显影机中的显影剂转印到 当显影操作结束时，用作显影机外部的显影剂储存单元的搅拌器。 此外，为了延长显影剂的使用寿命，可以将限制构件的上游侧中心角α的角度作为限制构件的上游侧的显影辊的表面的中心角的范围 与显影辊的表面移动方向相对的作为显影剂量限制构件的刮刀相对的构件对置位置不小于0 [°]且不大于60 [°]设定为低磁通密度面积γ 其中显影辊表面上法向方向磁通密度的最大值不大于30 [mT]。
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公开(公告)号：US07835653B2
公开(公告)日：2010-11-16
申请号：US11751163
申请日：2007-05-21
IPC分类号： G03G15/08
CPC分类号： G03G15/0849 , G03G15/0879 , G03G15/0893
摘要： A developing device includes a developing unit, a developer agitating unit, a developer conveying unit, and a toner supplementing unit. The developing unit develops an electrostatic latent image on an image carrier with a developer containing toner and carrier. The developer agitating unit agitates the developer. The developer conveying unit connects the developing unit and the developer agitating unit, and conveys the developer from the developing unit to the developer agitating unit. The toner supplementing unit is connected to the developer conveying unit, and supplements toner to the developer conveyed from the developing unit to the developer agitating unit.
摘要翻译： 显影装置包括显影单元，显影剂搅拌单元，显影剂输送单元和调色剂补充单元。 显影单元用含有调色剂和载体的显影剂在图像载体上显影静电潜像。 显影剂搅拌单元搅动显影剂。 显影剂输送单元连接显影单元和显影剂搅拌单元，并将显影剂从显影单元传送到显影剂搅拌单元。 调色剂补充单元连接到显影剂输送单元，并将调色剂补充到从显影单元传送到显影剂搅拌单元的显影剂。
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公开(公告)号：US20070166079A1
公开(公告)日：2007-07-19
申请号：US11622282
申请日：2007-01-11
IPC分类号： G03G15/08
CPC分类号： G03G21/105
摘要： A developing apparatus using a two-component developer constituted by a magnetic carrier and a toner, and an image forming apparatus comprising the developing apparatus. A developing unit and a stirring unit are provided, and in order to suppress toner scattering that may occur after a development operation has been halted for a long time, and thereby suppress contamination of the apparatus interior, the developer in a developing machine is transferred to a stirrer serving as a developer storage unit on the exterior of the developing machine when the development operation ends. Further, to extend the life of the developer, a range in which an angle of a restricting member upstream side central angle α, which is a central angle of the surface of a developing roller serving as a developer carrier on the upstream side of a restricting member opposing position opposing a doctor blade serving as a developer amount restricting member in a surface motion direction of the developing roller, is not less than 0[°] and not more than 60[°] is set as a low magnetic flux density area γ in which the maximum value of a normal direction magnetic flux density on the surface of the developing roller is not more than 30 [mT].
摘要翻译： 使用由磁性载体和调色剂构成的双组分显影剂的显影装置和包括显影装置的图像形成装置。 提供了显影单元和搅拌单元，并且为了抑制显影操作长时间停止后可能发生的调色剂飞散，从而抑制了设备内部的污染，将显影机中的显影剂转印到 当显影操作结束时，用作显影机外部的显影剂储存单元的搅拌器。 此外，为了延长显影剂的使用寿命，可以将作为显影剂载体的显影辊的表面的中心角的限制构件的上游侧中心角α的角度限制在限制用的上游侧 与显影辊的表面移动方向上的显影剂量限制构件相对的刮刀相对的构件对置位置不小于0 [°]且不大于60 [°]设定为低磁通密度面积γ 其中显影辊表面上法向方向磁通密度的最大值不大于30 [mT]。
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公开(公告)号：US07912408B2
公开(公告)日：2011-03-22
申请号：US12048705
申请日：2008-03-14
CPC分类号： G03G15/0893 , G03G15/0855 , G03G15/0865 , G03G2215/0822 , G03G2215/0838
摘要： An image forming apparatus includes a development device for supplying a developer containing toner and carrier to an electrostatic latent image carrying member for carrying thereon an electrostatic latent image, or a process cartridge for integrally storing the development device and the electrostatic latent image carrying member. The development device includes a conveyance path for charging and conveying the developer, and a developer carrying member for developing the electrostatic latent image into a toner image with the use of the developer conveyed through the conveyance path. The conveyance path includes a first conveyance member for receiving replenished toner and generating conveyance force for conveying the replenished toner and the developer in one direction, and a second conveyance member for generating conveyance force for conveying a portion of the developer conveyed by the first conveyance member in the opposite direction to the conveyance direction of the first conveyance member.
摘要翻译： 图像形成装置包括用于将含有调色剂和载体的显影剂供给到用于承载静电潜像的静电潜像承载构件的显影装置或用于整体地存储显影装置和静电潜像承载构件的处理盒。 显影装置包括用于充电和输送显影剂的输送路径和用于通过使用通过输送路径输送的显影剂将静电潜像显影成调色剂图像的显影剂承载构件。 输送路径包括用于接收补充调色剂并产生用于沿一个方向输送补充调色剂和显影剂的输送力的第一输送构件，以及用于产生输送力的第二输送构件，用于输送由第一输送构件输送的显影剂的一部分 在与第一输送构件的输送方向相反的方向上。
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10.发明授权公开(公告)号：US07636536B2
公开(公告)日：2009-12-22
申请号：US11516659
申请日：2006-09-07
IPC分类号： G03G15/08
CPC分类号： G03G15/0879 , G03G15/0877 , G03G2215/0607 , G03G2215/0802
摘要： An image forming apparatus includes a conveying pipe configured to convey a developer and a magnetic field generation mechanism configured to generate a magnetic field inside the conveying pipe to affect the developer. The magnet is formed to have lower magnetic intensities at positions upstream and downstream from a middle position of the conveying pipe along a conveying direction of the conveying pipe than a magnetic intensity in the middle of the conveying pipe.
摘要翻译： 图像形成装置包括：输送管，其被配置为输送显影剂和磁场产生机构，所述磁场产生机构被配置为在输送管内产生磁场以影响显影剂。 磁体形成为在输送管的中间位置的上游和下游沿着输送管的输送方向具有比在输送管中间的磁强度更低的磁强度。
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