公开(公告)号：US20080003020A1

公开(公告)日：2008-01-03

申请号：US11479684

申请日：2006-06-30

申请人： Takashi Hatakeyama ,  Hiroshi Murata

发明人： Takashi Hatakeyama ,  Hiroshi Murata

IPC分类号： G03G15/08

CPC分类号： G03G15/0889 ,  G03G15/0877 ,  G03G2215/0802 ,  G03G2215/0822 ,  G03G2215/083

摘要： There are provided a developing apparatus and a developer collecting method, in which a collection unit to collect a developer discharged from a developing unit by overflow is disposed not to largely protrude to the outside of an installation space of the developing unit. There are included a developing unit 12 including a discharge port 30 to discharge a developer by overflow, and a developer collecting unit 34 that is disposed so that at least a part overlaps with the developing unit 12 when the developing unit 12 is viewed from above, and contains the developer discharged from the discharge port 30 of the developing unit 12.

摘要翻译： 提供了一种显影装置和显影剂收集方法，其中收集单元收集从显影单元溢出排出的显影剂，其大致不会突出到显影单元的安装空间的外部。 包括显影单元12，其包括用于通过溢流排出显影剂的排出口30，以及显影剂收集单元34，其设置成当从上方观察显影单元12时至少一部分与显影单元12重叠， 并且包含从显影单元12的排出口30排出的显影剂。

公开(公告)号：US08195071B2

公开(公告)日：2012-06-05

申请号：US12899690

申请日：2010-10-07

申请人： Takashi Hatakeyama ,  Minoru Yoshida ,  Takao Izumi ,  Hiroshi Murata

发明人： Takashi Hatakeyama ,  Minoru Yoshida ,  Takao Izumi ,  Hiroshi Murata

IPC分类号： G03G15/095 ,  G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0877 ,  G03G2215/0822

摘要： In an embodiment, a reducing plate that dams up a part of a developer scraped up by a blade is provided. The reducing plate suppresses swell of the developer held up by a discharge mixer from fluctuating according to the rotation of the blade. Fluctuation in an excess developer discharged from a discharge port is suppressed and replace a deteriorated carrier in a development container with a new carrier little by little.

摘要翻译： 在一个实施例中，提供了一种减少由刮刀刮下的显影剂的一部分的阻挡板。 还原板抑制由喷射混合器保持的显影剂的隆起随着叶片的旋转而波动。 从排出口排出的过量显影剂的波动被抑制，并且用新载体逐渐地替换显影容器中的劣化载体。

公开(公告)号：US08000637B2

公开(公告)日：2011-08-16

申请号：US12418720

申请日：2009-04-06

申请人： Takao Izumi ,  Hiroshi Murata ,  Takashi Hatakeyama

发明人： Takao Izumi ,  Hiroshi Murata ,  Takashi Hatakeyama

IPC分类号： G03G15/08

CPC分类号： G03G15/09 ,  G03G15/0844 ,  G03G15/095

摘要： An image forming apparatus includes a charger to charge an image carrying member, an optical device to irradiate a light onto the image carrying member to form an electrostatic latent image, a developing device to develop the electrostatic latent image on the image carrying member to form a developed image and a transfer device to transfer the developed image on a sheet. The developing device includes a developer container to store a developer including toner and a carrier, a developer supply device to supply the developer to the developer container, a driver device to drive the developer supply device, a developer collection device installed in the developer container to interlock with the driver device and collect a surplus developer left over due to supply of the developer from the developer supply device to the developer container, and a collected developer container to contain the developer collected by the developer collection device.

摘要翻译： 图像形成装置包括对图像承载构件充电的充电器，将光照射到图像承载构件上以形成静电潜像的光学装置，显影装置，用于使图像承载构件上的静电潜像显影， 显影图像和转印装置以将显影的图像转印到纸上。 显影装置包括用于存储包括调色剂和载体的显影剂的显影剂容器，将显影剂供应到显影剂容器的显影剂供应装置，驱动显影剂供应装置的驱动装置，安装在显影剂容器中的显影剂收集装置 与驱动器装置互锁并且由于将显影剂从显影剂供应装置供应到显影剂容器而收集剩余的显影剂，以及收集的显影剂容器以容纳由显影剂收集装置收集的显影剂。

公开(公告)号：US07831181B2

公开(公告)日：2010-11-09

申请号：US12326531

申请日：2008-12-02

申请人： Takashi Hatakeyama ,  Minoru Yoshida ,  Takao Izumi ,  Hiroshi Murata

发明人： Takashi Hatakeyama ,  Minoru Yoshida ,  Takao Izumi ,  Hiroshi Murata

IPC分类号： G03G15/095 ,  G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0877 ,  G03G2215/0822

摘要： In an embodiment, a reducing plate that dams up a part of a developer scraped up by a blade is provided. The reducing plate suppresses swell of the developer held up by a discharge mixer from fluctuating according to the rotation of the blade. Fluctuation in an excess developer discharged from a discharge port is suppressed and replace a deteriorated carrier in a development container with a new carrier little by little.

摘要翻译： 在一个实施例中，提供了一种减少由刮刀刮下的显影剂的一部分的阻挡板。 还原板抑制由喷射混合器保持的显影剂的隆起随着叶片的旋转而波动。 从排出口排出的过量显影剂的波动被抑制，并且用新载体逐渐地替换显影容器中的劣化载体。

公开(公告)号：US20100054818A1

公开(公告)日：2010-03-04

申请号：US12550619

申请日：2009-08-31

申请人： Takao Izumi ,  Hiroshi Murata ,  Takashi Hatakeyama

发明人： Takao Izumi ,  Hiroshi Murata ,  Takashi Hatakeyama

IPC分类号： G03G15/08 ,  G03G13/06

CPC分类号： G03G15/0844 ,  G03G15/0894

摘要： A developing apparatus includes a tank configured to contain a developing agent including a toner and a carrier, the tank having a discharge port configured to discharge the developing agent overflowing from the tank, a supplier configured to develop a latent image by using the toner contained in the tank, a replenisher configured to contain the developing agent and to replenish the developing agent into the tank, and a controller configured to estimate an amount of the developing agent in the tank in according with the amount of the supplied developing agent and the amount of the replenished developing agent and to execute a forced discharge for forcibly discharging the developing agent contained in the tank from the discharge port based on the estimated amount of developing agent.

摘要翻译： 一种显影装置，包括：容纳构造成容纳包含调色剂和载体的显影剂的容器，所述容器具有排出端口，所述排出口配置成排出从罐溢出的显影剂;供给器，其构造成通过使用包含在 所述容器，配置为容纳所述显影剂并将所述显影剂补充到所述罐中的补充剂，以及控制器，其被配置为根据所提供的显影剂的量和所述显影剂的量来估计所述显影剂的量， 补充显影剂，并且基于估计的显影剂量，执行从排出口强制排出包含在罐中的显影剂的强制排出。

公开(公告)号：US20090148193A1

公开(公告)日：2009-06-11

申请号：US12327918

申请日：2008-12-04

申请人： Takashi Hatakeyama ,  Minoru Yoshida ,  Takao Izumi ,  Hiroshi Murata

发明人： Takashi Hatakeyama ,  Minoru Yoshida ,  Takao Izumi ,  Hiroshi Murata

IPC分类号： G03G15/08

CPC分类号： G03G15/0844 ,  G03G15/0853 ,  G03G15/0887 ,  G03G15/0893 ,  G03G15/095 ,  G03G2215/0822 ,  G03G2215/0838

摘要： In an embodiment, a contact pivoting plate, which comes into contact with a developer swelled by a discharge mixer, is provided in a case. The contact pivoting plate is pivoted according to a detection result of a temperature and humidity sensor to change the magnitude of resistance by the contact pivoting plate with respect to a flow of the developer. The height of the swell of the developer is suppressed from fluctuating according to an environmental change. The fluctuation in an amount of an excess developer discharged from a discharge port is suppressed to replace a deteriorated carrier in a development container with a new carrier little by little.

摘要翻译： 在一个实施例中，在一种情况下提供了一种与通过排放混合器膨胀的显影剂接触的接触枢转板。 接触枢转板根据温度和湿度传感器的检测结果来转动，以相对于显影剂流动改变接触枢转板的电阻大小。 根据环境变化，显影剂膨胀的高度被抑制为波动。 从排出口排出的过量显影剂的量的波动被抑制，以逐渐替代新载体的显影容器中的劣化载体。

公开(公告)号：US20080181672A1

公开(公告)日：2008-07-31

申请号：US11966315

申请日：2007-12-28

申请人： Takashi Hatakeyama ,  Minoru Yoshida ,  Takao Izumi ,  Hiroshi Murata

发明人： Takashi Hatakeyama ,  Minoru Yoshida ,  Takao Izumi ,  Hiroshi Murata

IPC分类号： G03G15/08

CPC分类号： G03G15/0808 ,  G03G15/0822 ,  G03G2215/0607 ,  G03G2215/0822 ,  G03G2215/0833 ,  G03G2215/0838

摘要： There is provided a development apparatus which enables stable agitation and discharge of a developer from a developer discharge port, and an image forming apparatus including this development apparatus. The development apparatus which supplies the developer to a development roller and conveys the developer while agitating it, includes a developer path including a first path and a second path whose height is lower than the first path and which is continuous with the first path in a conveyance direction of the developer, and a conveying member which is provided in the developer path, includes a rotary shaft along the conveyance direction and a rotary blade spirally provided along an outer periphery of the rotary shaft, conveys the developer in the conveyance direction by rotating the rotary blade around the rotary shaft, and includes a first section which is a section overlapping with the first path and in which the rotary blade has a specified conveyance characteristic in the conveyance direction, and a second section which is a section overlapping with the second path in the conveyance direction and in which the conveyance characteristic of the rotary blade is different from that in the first section.

摘要翻译： 提供了一种能够从显影剂排出口稳定地搅拌和排出显影剂的显影装置，以及包括该显影装置的图像形成装置。 将显影剂供给显影辊并在搅拌的同时传送显影剂的显影装置包括显影剂通道，该显影剂通道包括第一路径和第二路径，该第一路径和第二路径的高度低于第一路径，并且在第二路径中与传送带中的第一路径连续 显影剂的方向以及设置在显影剂通道中的输送构件包括沿着输送方向的旋转轴和沿着旋转轴的外周螺旋地设置的旋转刀片，通过使输送方向旋转来输送显影剂 旋转刀片围绕旋转轴旋转，并且包括第一部分，其是与第一路径重叠的部分，并且旋转刀片在输送方向上具有特定的输送特性，第二部分是与第二路径重叠的部分 在输送方向上，旋转叶片的输送特性与t不同 他第一节。

公开(公告)号：US20080152394A1

公开(公告)日：2008-06-26

申请号：US11456995

申请日：2006-07-12

申请人： Takashi Hatakeyama ,  Hiroshi Murata

发明人： Takashi Hatakeyama ,  Hiroshi Murata

IPC分类号： G03G15/08

CPC分类号： G03G15/0893 ,  G03G15/0877 ,  G03G2215/0822 ,  G03G2215/0827

摘要： A developing unit and a developer stirring and transporting method are provided that enable smooth discharge of a developer in the developing unit without being affected by the inclination of the developing unit.A developing unit 10 has a developing roller 12, a housing unit 16 configured to house a developer and having in its sidewall a discharge port 14 which discharges overflowing developer, a stirring and transporting member 20 configured to stir and transport the developer along a passage 18 formed in the housing unit 16, and a deposit structure unit 22 provided in the passage 18 and configured to raise the height position of a bottom surface 18a part of the passage 18 corresponding at least to the discharge port 14 to a position higher than the other areas of the passage 18, and thereby deposit the developer near the discharge port 14.

摘要翻译： 提供了显影单元和显影剂搅拌和输送方法，其能够在不受显影单元倾斜的影响的情况下平滑地排出显影单元中的显影剂。 显影单元10具有显影辊12，壳体单元16，其构造成容纳显影剂，并且在其侧壁中具有排出溢流显影剂的排出口14，搅拌和输送构件20构造成沿着通道18搅拌和输送显影剂 形成在容纳单元16中的沉积结构单元22和设置在通道18中的沉积结构单元22，其构造成使底表面18的至少对应于排出口14的通道18的一部分的高度位置升高到高于 通道18的其他区域，从而将显影剂沉积在排出口14附近。

公开(公告)号：US20060210318A1

公开(公告)日：2006-09-21

申请号：US11344130

申请日：2006-02-01

申请人： Hiroshi Murata ,  Takao Izumi ,  Takashi Hatakeyama

发明人： Hiroshi Murata ,  Takao Izumi ,  Takashi Hatakeyama

IPC分类号： G03G15/08

CPC分类号： G03G15/0822 ,  G03G21/12

摘要： A developer bent is provided on the wall of the developer container housing developer comprising toner and carrier for the developing device to overflow developer. The sectional shape of the discharge dam forming the developer bent in the vertical direction to the developer bent is such that the top part of the dam is made thinner than the wall thickness of the developer container and the slanting angle of the dam to the wall of the developer container is made larger than the repose angle of the developer.

摘要翻译： 显影剂弯曲设置在显影剂容器外壳显影剂的壁上，包括用于显影装置的调色剂和载体以溢出显影剂。 形成显影剂垂直于显影剂弯曲的显影剂的排出槽的截面形状使得坝的顶部比显影剂容器的壁厚更薄，并且坝的壁的倾斜角度 显影剂容器被制成大于显影剂的静止角度。

公开(公告)号：US08238798B2

公开(公告)日：2012-08-07

申请号：US12833177

申请日：2010-07-09

申请人： Takashi Hatakeyama ,  Takao Izumi ,  Hiroshi Murata

发明人： Takashi Hatakeyama ,  Takao Izumi ,  Hiroshi Murata

IPC分类号： G03G15/08

CPC分类号： G03G15/0848 ,  G03G2215/06

摘要： According to an embodiment, a developing device, comprising: a developing unit configured to store an initial two-component developer including an initial toner containing silica externally added and a carrier and to form a toner image on an image bearing member with the two-component developer; a discharging section configured to discharge a part of the initial developer from the developing unit; and a developer supplying unit configured to supply a supply developer including a supply toner containing silica externally added and the carrier to the developing unit, the amount of silica added to the supply toner being smaller than the amount of silica added to the initial toner.

摘要翻译： 根据一个实施方案，一种显影装置，包括：显影单元，其被配置为存储初始的双组分显影剂，其包含外部添加有二氧化硅的初始调色剂和载体，并在图像承载部件上形成具有双组分 开发商 排出部，其构造成从所述显影单元排出所述初始显影剂的一部分; 以及显影剂供应单元，其构造成将包含含有外部添加的二氧化硅的供给调色剂的供应显影剂和载体供给到显影单元，添加到供给调色剂中的二氧化硅的量小于添加到初始调色剂中的二氧化硅的量。