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1. 发明授权

US6144822A Image forming apparatus having detachable transfer roller and discharge device 有权
标题翻译：具有可拆卸转印辊和放电装置的图像形成装置
公开(公告)号：US6144822A
公开(公告)日：2000-11-07
申请号：US409423
申请日：1999-09-30
申请人： Toshitaka Yamaguchi , Masaru Tanaka , Hiroshi Mizusawa , Kenzo Tatsumi , Ken Amemiya , Haruji Mizuishi , Hideki Zemba , Noriyuki Usui , Mayumi Ohori
发明人： Toshitaka Yamaguchi , Masaru Tanaka , Hiroshi Mizusawa , Kenzo Tatsumi , Ken Amemiya , Haruji Mizuishi , Hideki Zemba , Noriyuki Usui , Mayumi Ohori
IPC分类号： G03G21/00 , G03G15/16 , G03G15/20 , G03G21/06 , G03G21/16 , G03G15/08
CPC分类号： G03G15/167
摘要： An image forming apparatus is provided, which includes an image bearing member, a transfer roller having a shaft for transferring an image on the image bearing member to a transfer sheet, a bearing mechanism for supporting the shaft, a discharging device for discharging the transfer, and a joint mechanism which mechanically connects the discharging device with the transfer roller at both ends of the shaft. Both of the transfer roller and the discharging device can be integrally detached from and attached to the image forming apparatus without detaching/attaching the bearing mechanism, by use of a handle. Therefore, an operation for replacing the transfer roller and the discharging device can be performed easily.
摘要翻译：提供了一种图像形成装置，其包括图像承载部件，具有用于将图像承载部件上的图像转印到转印纸上的转印辊，用于支撑轴的轴承机构，用于排出转印的排出装置，以及在轴的两端将排出装置与转印辊机械连接的接合机构。转印辊和排出装置可以通过使用手柄而与图像形成装置一体地分离并附接到图像形成装置而不分离/附接轴承机构。因此，可以容易地进行更换转印辊和排出装置的操作。

2. 发明授权

US6148161A Image forming apparatus with improved toner density control 有权
标题翻译：具有改进的调色剂浓度控制的图像形成装置
公开(公告)号：US6148161A
公开(公告)日：2000-11-14
申请号：US414857
申请日：1999-10-12
申请人： Noriyuki Usui , Ken Amemiya , Haruji Mizuishi , Mayumi Ohori , Masaru Tanaka , Kenzo Tatsumi , Toshitaka Yamaguchi , Hideki Zemba , Hiroshi Mizusawa
发明人： Noriyuki Usui , Ken Amemiya , Haruji Mizuishi , Mayumi Ohori , Masaru Tanaka , Kenzo Tatsumi , Toshitaka Yamaguchi , Hideki Zemba , Hiroshi Mizusawa
IPC分类号： G03G15/08 , G03G15/10
CPC分类号： G03G15/0822 , G03G15/0849 , G03G15/0853 , G03G15/5041 , G03G2215/00042
摘要： An image forming apparatus includes an image carrier and a developing device to develop a latent image formed on the image carrier by applying two-component developer, including toner, onto the latent image. The developing device includes a developing part containing the two-component developer and a developer stirring device to stir the two-component developer. A toner supplying device supplies toner to the developing part of the developing device, and a toner density detection device detects a toner density of the two-component developer in the developing device. A toner control device calculates a difference between an output value VT of the toner density detection device and a criterion value VTref for controlling the toner density of the two-component developer and controls the toner supplying device based upon the difference. An image density detection device detects an image density of a criterion image formed on the image carrier, and a criterion value correcting device corrects the criterion value VTref based upon an output value of the criterion image density detection device. A decision as to whether to stir the developer in the developing device with the developer stirring device is made based upon a difference between the criterion value VTref and the output value VT from the toner density detection device and an output value of the criterion image density detection device when an image forming operation is started.
摘要翻译：图像形成装置包括图像载体和显影装置，以通过将包括调色剂的双组分显影剂施加到潜像上来显影形成在图像载体上的潜像。显影装置包括含有双组分显影剂的显影部分和用于搅拌双组分显影剂的显影剂搅拌装置。调色剂供应装置向显影装置的显影部分供应调色剂，并且调色剂浓度检测装置检测显影装置中的双组分显影剂的调色剂浓度。调色剂控制装置计算调色剂浓度检测装置的输出值VT与用于控制双组分显影剂的调色剂浓度的标准值VTref之间的差异，并基于该差异来控制调色剂供给装置。图像浓度检测装置检测形成在图像载体上的标准图像的图像浓度，并且基准值校正装置基于标准图像浓度检测装置的输出值来校正标准值VTref。基于标准值VTref和来自调色剂浓度检测装置的输出值VT与标准图像浓度检测的输出值之间的差异，决定是否用显影剂搅拌装置搅拌显影装置中的显影剂当图像形成操作开始时的装置。

3. 发明授权

US06266501B1 Image-forming apparatus having a seal for a developer and a method for detecting a removal of the seal 有权
标题翻译：具有用于显影剂的密封件的图像形成装置和用于检测密封件的移除的方法
公开(公告)号：US06266501B1
公开(公告)日：2001-07-24
申请号：US09482961
申请日：2000-01-14
申请人： Haruji Mizuishi , Masaru Tanaka , Kenzo Tatsumi , Ken Amemiya , Toshitaka Yamaguchi , Hideki Zemba , Noriyuki Usui , Mayumi Ohori , Hiroshi Mizusawa
发明人： Haruji Mizuishi , Masaru Tanaka , Kenzo Tatsumi , Ken Amemiya , Toshitaka Yamaguchi , Hideki Zemba , Noriyuki Usui , Mayumi Ohori , Hiroshi Mizusawa
IPC分类号： G03G1508
CPC分类号： G03G15/0882 , G03G15/0849 , G03G2215/0687 , G03G2215/088
摘要： An image-forming apparatus includes an image-bearing device that holds an electrostatic latent image and a toner image thereon, and a developer container that contains and agitates a developer having at least a toner. The image-forming apparatus also includes a developer-bearing device that carries the developer to develop the electrostatic latent image on the image-bearing device, and a density sensor that detects an optical density of a surface of the image-bearing device and a toner image on the image-bearing device. Further, the image-forming apparatus includes a developer seal that seals the developer in the developer container, wherein the seal is disposed between the developer container and the developer-bearing device, and an actuator configured to actuate the developer container and the developer-bearing device. The image-forming apparatus still further includes a control device that determines whether the developer seal is removed according to information on the optical density of the toner image output by the density sensor.
摘要翻译：图像形成装置包括在其上保持静电潜像和调色剂图像的图像承载装置和包含并搅拌至少具有调色剂的显影剂的显影剂容器。图像形成装置还包括承载显影剂以显影图像承载装置上的静电潜像的显影剂承载装置和检测图像承载装置的表面的光密度的浓度传感器和调色剂图像承载设备上的图像。此外，图像形成装置包括密封显影剂容器中的显影剂的显影剂密封件，其中密封件设置在显影剂容器和显影剂承载装置之间，致动器构造成致动显影剂容器和显影剂承载设备。图像形成装置还包括控制装置，其根据由密度传感器输出的调色剂图像的光密度的信息来确定是否去除显影剂密封。

4. 发明授权

US5884134A Image forming apparatus with a device to increase contact area between a transfer sheet and an image carrier 失效
标题翻译：具有增加转印纸和图像载体之间的接触面积的装置的图像形成装置
公开(公告)号：US5884134A
公开(公告)日：1999-03-16
申请号：US878903
申请日：1997-06-19
申请人： Kenji Karashima , Kohichi Yamazaki , Kentaro Matsumoto , Kazuhiko Yuuki , Manabu Mochizuki , Noriyuki Usui , Asami Mae , Masakuni Konja
发明人： Kenji Karashima , Kohichi Yamazaki , Kentaro Matsumoto , Kazuhiko Yuuki , Manabu Mochizuki , Noriyuki Usui , Asami Mae , Masakuni Konja
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/657 , G03G15/165
摘要： An image forming apparatus in which a transfer device is provided in a position separated from an image carrier. A transfer sheet is conveyed along and contacting a part of a circumferential surface of the image carrier facing the transfer device when transferring a toner image from the image carrier to the transfer sheet. A conveying guide is included to guide and covey the transfer sheet separated from the image carrier to a fixing unit. The conveying guide includes a guiding member to direct the conveying direction of the transfer sheet upward when the leading edge of the transfer sheet contacts the guiding member and to convey the transfer sheet at a part of the conveying guide or the guiding member in a position higher than the position of the leading edge of the transfer sheet contacting the conveying guide or the guiding member, so that the contact area between the transfer sheet and the image carrier increases.
摘要翻译：一种图像形成装置，其中传送装置设置在与图像载体分离的位置。当将调色剂图像从图像载体转印到转印纸上时，转印片材沿着图像载体的周向表面的一部分传送并接触传送装置。包括输送引导件以引导和传送从图像载体分离的转印纸到定影单元。输送引导件包括引导构件，用于当转印片的前缘接触引导构件时将转印纸的输送方向向上引导，并将转印片在输送引导件或引导构件的一部分处运送到更高的位置比转印片的前缘与输送引导件或引导部件接触的位置相同，使得转印纸和图像载体之间的接触面积增加。

5. 发明授权

US4945389A Method of cleaning a photoconductive element of an image recorder 失效
标题翻译：清洁图像记录器的感光元件的方法
公开(公告)号：US4945389A
公开(公告)日：1990-07-31
申请号：US356058
申请日：1989-05-23
申请人： Noriyuki Usui , Tsumori Satoh
发明人： Noriyuki Usui , Tsumori Satoh
IPC分类号： G03G15/00 , G03G21/00 , G03G21/06 , G03G21/08 , G03G21/10
CPC分类号： G03G21/0005 , G03G21/06
摘要： A cleaning method applicable to a photoconductive element installed in an electrophotographic copier or similar image recorder of the type performing repetitive steps of charging, exposing, developing, transferring, discharging, cleaning and so forth. The method includes the steps of measuring the surface potential of the photoconductive element remaining after discharging which occurs prior to cleaning, comparing the measured potential with a reference potential, and controlling the output voltage of a discharging device to maintain the surface potential constant.
摘要翻译：适用于安装在进行充电，曝光，显影，转印，放电，清洗等的重复步骤的类型的电子照相复印机或类似图像记录器中的感光元件的清洁方法。该方法包括以下步骤：测量在清洁之前发生的放电后剩余的光电导元件的表面电位，将测量的电位与参考电位进行比较，以及控制放电装置的输出电压以保持表面电位恒定。

6. 发明授权

US5175584A Cleaning control device for image forming equipment 失效
标题翻译：成像设备清洗控制装置
公开(公告)号：US5175584A
公开(公告)日：1992-12-29
申请号：US599994
申请日：1990-10-19
申请人： Noriyuki Usui
发明人： Noriyuki Usui
IPC分类号： G03G21/06
CPC分类号： G03G21/06
摘要： A cleaning control device incorporated in electrophotographic image forming equipment for controlling the removal of toner remaining on a photoconductive element or image carrier after image transfer. Before the removal of the remaining toner, the surface potential of the photoconductive element is controlled to a predetermined value on the basis of the amount of remaining toner. Since the reference potential of the photoconductive element is determined in association with the amount of remaining toner, a minimum electric field capable of effecting cleaning is applied at all times. The reference potential is changed in response to aging. The remaining amount of toner is detected by a photoelectric transducer, while the electric field for cleaning is controlled in response to the detected amount of remaining toner. Further, the reference potential is changed in response to the instantaneous humidity around the photoconductive element.
摘要翻译：一种清洁控制装置，其结合在电子照相成像设备中，用于在图像转印之后控制残留在光电导元件或图像载体上的调色剂的去除。在除去剩余的调色剂之前，基于剩余调色剂的量将感光元件的表面电位控制在预定值。由于光电元件的参考电位与剩余调色剂的量相关联地确定，所以始终施加能够进行清洁的最小电场。参考电位随老化而改变。通过光电传感器检测剩余量的调色剂，同时响应于检测到的剩余调色剂量来控制用于清洁的电场。此外，参考电位响应于光导元件周围的瞬时湿度而改变。

7. 发明授权

US6101361A Image forming apparatus with a device and a method to increase contact area between a transfer sheet and an image carrier 有权
标题翻译：具有装置的图像形成装置和增加转印纸和图像载体之间的接触面积的方法
公开(公告)号：US6101361A
公开(公告)日：2000-08-08
申请号：US216977
申请日：1998-12-21
申请人： Kenji Karashima , Kohichi Yamazaki , Kentaro Matsumoto , Kazuhiko Yuuki , Manabu Mochizuki , Noriyuki Usui , Asami Mae , Masakuni Konja
发明人： Kenji Karashima , Kohichi Yamazaki , Kentaro Matsumoto , Kazuhiko Yuuki , Manabu Mochizuki , Noriyuki Usui , Asami Mae , Masakuni Konja
IPC分类号： G03G15/00 , G03G15/16
CPC分类号： G03G15/657 , G03G15/165
摘要： An image forming apparatus and method in which a transfer device is provided in a position separated from an image carrier. A transfer sheet is conveyed along and contacting a part of a circumferential surface of the image carrier facing the transfer device when transferring a toner image from the image carrier to the transfer sheet. A conveying guide is included to guide and covey the transfer sheet separated from the image carrier to a fixing unit. The conveying guide includes a guiding member to direct the conveying direction of the transfer sheet upward when the leading edge of the transfer sheet contacts the guiding member and to convey the transfer sheet at a part of the conveying guide or the guiding member in a position higher than the position of the leading edge of the transfer sheet contacting the conveying guide or the guiding member, so that the contact area between the transfer sheet and the image carrier increases, and so that the transfer sheet separates from the image carrier without a discharging of a charge on the transfer sheet.
摘要翻译：一种图像形成装置和方法，其中转印装置设置在与图像载体分离的位置。当将调色剂图像从图像载体转印到转印纸上时，转印片材沿着图像载体的周向表面的一部分传送并接触传送装置。包括输送引导件以引导和传送从图像载体分离的转印纸到定影单元。输送引导件包括引导构件，用于当转印片的前缘接触引导构件时将转印纸的输送方向向上引导，并将转印片在输送引导件或引导构件的一部分处运送到更高的位置比转印片的前缘与输送引导件或引导部件接触的位置更大，使得转印纸和图像载体之间的接触面积增大，使得转印纸与图像载体分离而不会排出转让单上的费用。

8. 发明授权

US5864733A Developing device for image forming apparatus 失效
标题翻译：成像装置显影装置
公开(公告)号：US5864733A
公开(公告)日：1999-01-26
申请号：US736679
申请日：1996-10-25
申请人： Asami Mae , Manabu Mochizuki , Kentaro Matsumoto , Kenji Karashima , Kazuhiko Yuki , Chikara Imai , Hajime Oyama , Noriyuki Usui
发明人： Asami Mae , Manabu Mochizuki , Kentaro Matsumoto , Kenji Karashima , Kazuhiko Yuki , Chikara Imai , Hajime Oyama , Noriyuki Usui
IPC分类号： G03G15/00 , G03G15/09
CPC分类号： G03G15/80 , G03G15/0907 , G03G2215/0609
摘要： An image forming apparatus including a photoconductive drum, a charger which charges the photoconductive drum, an exposing device which irradiates light to the charged photoconductive drum for forming an electrostatic latent image on the photoconductive drum, a developing device which has two component developer which includes magnetic toner and magnetic carriers and a transfer charger to transfer the developed image to a sheet of paper. The bias voltages of the charger, the developing device and the transfer charger are applied from a common high voltage power source. A developing starting voltage of the developing device is higher than a residual voltage of the photoconductive drum.
摘要翻译：一种图像形成装置，包括感光鼓，对感光鼓进行充电的充电器，向感光鼓上形成静电潜像的带电感光鼓照射光的曝光装置，具有包括磁性的二组分显影剂的显影装置调色剂和磁性载体和转印充电器将显影的图像转印到一张纸上。充电器，显影装置和转印充电器的偏置电压从公共高压电源施加。显影装置的显影起始电压高于感光鼓的残留电压。

9. 发明授权

US5083169A Device for removing deposits from a photoconductive element of an image recorder which is movable between a cleaning and non-cleaning position 失效
标题翻译：用于从图像记录器的光电元件移除沉积物的装置，其可在清洁位置和非清洁位置之间移动
公开(公告)号：US5083169A
公开(公告)日：1992-01-21
申请号：US426400
申请日：1989-10-25
申请人： Noriyuki Usui , Hidenobu Endo
发明人： Noriyuki Usui , Hidenobu Endo
IPC分类号： G03G21/00
CPC分类号： G03G21/0035
摘要： A device for removing deposits from the surface of a photoconductive element which is installed in an electrophotographic copier, facsimile machine, printer or similar image recorder. A rotatable fur-brush is movable into contact with the photoconductive element for removing deposits from the latter. The fur-brush is supported by an arm which is angularly movable between an operative position and an inoperative position assigned to the fur-brush. The arm is in turn driven by a pressing lever. When the image recorder is to start on a copying operation, the deposit removing operation is interrupted immediately. In a further embodiment, the fur-brush may also be movable in a reciprocating motion in the axial direction.
摘要翻译：用于从安装在电子照相复印机，传真机，打印机或类似图像记录器中的感光元件表面去除沉积物的装置。可旋转的毛刷可移动地与光电导元件接触，以从中去除沉积物。毛刷由臂支撑，臂可在操作位置和分配给毛刷的不工作位置之间成角度地移动。手臂依次由压杆驱动。当图像记录器从复印操作开始时，存款清除操作立即中断。在另一个实施例中，毛刷也可以沿轴向往复运动移动。

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