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公开(公告)号：US08131186B2
公开(公告)日：2012-03-06
申请号：US12327918
申请日：2008-12-04
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。
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公开(公告)号：US20110064429A1
公开(公告)日：2011-03-17
申请号：US12871062
申请日：2010-08-30
申请人： Takao Izumi , Hiroshi Murata , Takashi Hatakeyama
发明人： Takao Izumi , Hiroshi Murata , Takashi Hatakeyama
CPC分类号： G03G15/065 , G03G15/0131 , G03G15/5041 , G03G15/5058 , G03G2215/00059 , G03G2215/00772 , G03G2215/00776
摘要： According to one embodiment, an image forming apparatus includes a developing unit configured to store a developer includes a toner and a carrier and to form a developer image, a toner attachment amount detection portion configured to detect an attachment amount of a toner formed on a photoconductor or an intermediate transfer body, a developing bias voltage change portion configured to change a plurality of developing bias voltages including a developing contrast voltage in a manner that the detected attachment amount of the toner becomes a value in a predetermined range, a carrier supply time correction portion configured to correct a carrier supply time in response to the value of the changed developing contrast voltage, and a carrier supply portion configured to supply a carrier in a corrected carrier supply time at a predetermined timing.
摘要翻译： 根据一个实施例，图像形成装置包括：显影单元，被配置为存储包含调色剂和载体的显影剂并形成显影剂图像;调色剂附着量检测部分，被配置为检测形成在感光体上的调色剂的附着量 或中间转印体，显影偏压电压变化部分，被配置为以检测到的调色剂附着量成为预定范围的值来改变包括显影对比度电压的多个显影偏压，载体供给时间校正 配置为响应于改变的显影对比度电压的值来校正载波供应时间的部分，以及被配置为在预定定时在补偿的载波供给时间内提供载波的载波供给部。
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13.发明申请公开(公告)号：US20090232525A1
公开(公告)日：2009-09-17
申请号：US12404503
申请日：2009-03-16
IPC分类号： G03G15/08
CPC分类号： G03G15/0849
摘要： The present invention provides a technique to accurately grasp a deterioration state of a development agent in a development device, in a development system which supplies a new development agent consisting of a toner and a carrier and discharges an deteriorated development agent to maintain a performance of a development agent in a development device.An image forming apparatus according to the present invention includes a stirring information obtaining section configured to obtain information of a stirring time of the development agent in the development device, a supply information obtaining section configured to obtain information of an amount of the carrier supplied into the development device, and a deterioration degree determining section configured to determine a deterioration degree of the development agent in the development device on the basis of the information obtained by the stirring information obtaining section and the supply information obtaining section.
摘要翻译： 本发明提供一种在显影系统中精确地掌握显影剂在显影装置中的劣化状态的技术，该显影系统提供由调色剂和载体构成的新的显影剂，并且使劣化的显影剂排出以维持 开发代理在开发设备中。 根据本发明的图像形成装置包括：搅拌信息获取部，被配置为获取显影装置中的显影剂的搅拌时间的信息;供给信息获取部，被配置为获得供给到所述显影剂的载体的量的信息; 显影装置和劣化程度确定部分，被配置为基于由搅拌信息获取部分和供应信息获取部分获得的信息来确定显影装置中的显影剂的劣化程度。
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公开(公告)号：US20080170885A1
公开(公告)日：2008-07-17
申请号：US11966322
申请日：2007-12-28
IPC分类号： G03G15/08
CPC分类号： G03G15/0893 , G03G15/0877 , G03G2215/0822 , G03G2215/0827 , G03G2215/0838
摘要： A developing device that enables stable discharge of a developer from a developer discharge port, and an image forming apparatus having this developing device are provided.A developing device in which a developer is supplied to a developing roller and the developer is carried while it is stirred, includes: a developer passage through which the developer can be carried; a carrying member which is provided in the developer passage and has a rotary shaft and a rotary wing spirally provided along an outer circumference of the rotary shaft, in which the rotary wing rotates about the rotary shaft, thereby carrying the developer into a carrying direction along the rotary shaft, and which has a first section where the rotary wing has a constant characteristic in the carrying direction and a second section where the characteristic of the rotary wing gradually changes with respect to position in the carrying direction; and a discharge port provided at a position in the carrying direction that is in a section overlapping the second section or a section downstream of the second section in the carrying direction, and adapted for discharging the developer having a surface height of a predetermined value or more, from the developer passage.
摘要翻译： 提供一种使显影剂从显影剂排出口稳定地排出的显影装置和具有该显影装置的图像形成装置。 一种显影装置，其中显影剂被供应到显影辊，并且显影剂在搅拌的同时被携带，包括：显影剂通道，显影剂可以通过该显影剂通道携带; 传送构件，其设置在显影剂通道中，并具有旋转轴和沿旋转轴的外周螺旋地设置的旋转翼，旋转翼围绕旋转轴旋转，从而将显影剂带入沿着输送方向 旋转轴，其具有旋转翼在运送方向上具有恒定特性的第一部分和旋转翼的特性相对于运送方向上的位置逐渐变化的第二部分; 以及排出口，设置在与输送方向上的第二部分或第二部分下游的部分重叠的部分中的输送方向上的位置，并且适于排出具有预定值以上的表面高度的显影剂 ，从开发者通道。
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公开(公告)号：US08244161B2
公开(公告)日：2012-08-14
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
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。
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16.发明授权Developing device of image forming apparatus using a toner and carrier mixture 有权使用调色剂和载体混合物的成像装置的显影装置公开(公告)号：US08099002B2
公开(公告)日：2012-01-17
申请号：US12271478
申请日：2008-11-14
IPC分类号： G03G15/08
CPC分类号： G03G15/0848 , G03G15/0844 , G03G15/0849 , G03G15/0853 , G03G15/0877 , G03G15/0893 , G03G2215/0634
摘要： According to an embodiment of the invention, degradation of carrier in a case is detected from the number of rotations of a developing roller. A predetermined quantity of carrier is replenished every time the developing roller reaches a predetermined number of rotations. An excess developer caused by an increase in bulk through carrier replenishment is discharged from a developer discharge port. The degraded old carrier in the case is replaced by new carrier little by little.
摘要翻译： 根据本发明的实施例，根据显影辊的转数来检测在一种情况下的载体的劣化。 每当显影辊达到预定转数时，补充预定量的载体。 通过载体补充由体积增加引起的过量显影剂从显影剂排出口排出。 这种情况下的退化旧载体逐渐被新载体所取代。
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17.发明申请公开(公告)号：US20110013917A1
公开(公告)日：2011-01-20
申请号：US12824575
申请日：2010-06-28
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： G03G15/5037 , G03G15/5041
摘要： According to one embodiment, a developing device includes a developer container to contain developer having toner and carrier, a toner replenishing unit to replenish the toner to the developer container, a carrier replenishing unit to replenish the carrier to the developer container, a discharge portion to discharge the developer from the developer container, a developer feeder to support magnetically the developer in the developer container and to feed the toner in the developer to a photoconductor on which an electrostatic latent image is formed, an electric conductor, provided separately from the photoconductor, to which the toner out of the developer supported by the developer feeder adheres, a detecting unit to detect a density of the toner adhered to on the electric conductor, and a controller to judge a deterioration status of the developer based on a detection result of the detecting unit and to replenish the toner and the carrier from the toner replenishing unit and the carrier replenishing unit to the developer container.
摘要翻译： 根据一个实施例，显影装置包括显影剂容器，用于容纳具有调色剂和载体的显影剂，将调色剂补充到显影剂容器的调色剂补充单元，将载体补充到显影剂容器的载体补充单元， 从显影剂容器排出显影剂，显影剂供给器，用于将显影剂容器中的显影剂磁性地支撑并将显影剂中的调色剂供给到其上形成有静电潜像的感光体，与感光体分开设置的电导体， 由显影剂供给体支撑的显影剂中的调色剂附着于其上的检测单元，用于检测附着在电导体上的调色剂的浓度;以及控制器，用于基于检测结果检测显影剂的劣化状态 并且从调色剂补充单元和支架补充调色剂和载体 r补充单元到显影剂容器。
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18.发明授权公开(公告)号：US08213812B2
公开(公告)日：2012-07-03
申请号：US12404503
申请日：2009-03-16
IPC分类号： G03G15/08
CPC分类号： G03G15/0849
摘要： The present invention provides a technique to accurately grasp a deterioration state of a development agent in a development device, in a development system which supplies a new development agent consisting of a toner and a carrier and discharges an deteriorated development agent to maintain a performance of a development agent in a development device.An image forming apparatus according to the present invention includes a stirring information obtaining section configured to obtain information of a stirring time of the development agent in the development device, a supply information obtaining section configured to obtain information of an amount of the carrier supplied into the development device, and a deterioration degree determining section configured to determine a deterioration degree of the development agent in the development device on the basis of the information obtained by the stirring information obtaining section and the supply information obtaining section.
摘要翻译： 本发明提供一种在显影系统中精确地掌握显影剂在显影装置中的劣化状态的技术，该显影系统提供由调色剂和载体构成的新的显影剂，并且使劣化的显影剂排出以维持 开发代理在开发设备中。 根据本发明的图像形成装置包括：搅拌信息获取部，被配置为获取显影装置中的显影剂的搅拌时间的信息;供给信息获取部，被配置为获得供给到所述显影剂的载体的量的信息; 显影装置和劣化程度确定部分，被配置为基于由搅拌信息获取部分和供应信息获取部分获得的信息来确定显影装置中的显影剂的劣化程度。
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公开(公告)号：US08195071B2
公开(公告)日：2012-06-05
申请号：US12899690
申请日：2010-10-07
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。
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20.发明授权Supplying and discharging developer in an image forming apparatus, process cartridge and developing device 有权在图像形成装置，处理盒和显影装置中提供和排出显影剂公开(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。
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