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11. 发明授权

US07428390B2 Image fixing apparatus with variable fixing modes 有权
标题翻译：具有可变定影模式的图像定影装置
公开(公告)号：US07428390B2
公开(公告)日：2008-09-23
申请号：US11459488
申请日：2006-07-24
申请人： Atsutoshi Ando
发明人： Atsutoshi Ando
IPC分类号： G03G15/20
CPC分类号： G03G15/2039 , G03G15/2032
摘要： A fixing apparatus is provided, in which a problem such as the melting of a heater retaining member does not occur when a fixing nip portion performs a fixing processing in a reduced pressure state. In a fixing apparatus of an image forming apparatus capable of feeding a paper by applied pressures of two types or more, the fixing apparatus is changed to a mode in which the applied force is low, and is allowed to perform an operation for cooling the fixing apparatus before starting a current supply to a heater.
摘要翻译：提供了一种定影装置，其中当定影夹持部在减压状态下进行定影处理时，不会发生诸如加热器保持构件的熔化的问题。在能够通过施加两种以上的压力进给纸张的图像形成装置的定影装置中，定影装置改变为施加的力较低的模式，并且允许执行用于冷却定影的操作开始向加热器供电之前的设备。

12. 发明授权

US07177579B2 Image heating apparatus 有权
标题翻译：图像加热装置
公开(公告)号：US07177579B2
公开(公告)日：2007-02-13
申请号：US10993439
申请日：2004-11-22
申请人： Michio Uchida , Toru Saito , Atsutoshi Ando , Tomoo Akizuki
发明人： Michio Uchida , Toru Saito , Atsutoshi Ando , Tomoo Akizuki
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G15/2053 , G03G2215/0119 , G03G2215/2016 , G03G2215/2035
摘要： An image heating apparatus has a flexible rotatable member, a slidable member contacting an internal surface of the flexible rotatable member, a holder for holding the slidable member, and a pressure roller for applying a pressure to the flexible rotatable member thereby forming a nip portion with the slidable member. A holding surface of the holder includes a first holding area of a crowned shape, and a second holding area of a crowned shape, which is provided at a downstream side of the first holding area in a moving direction of the flexible rotatable member, and the second holding area has a crown amount larger than a crown amount of the first holding area.
摘要翻译：图像加热装置具有柔性可旋转构件，与柔性可旋转构件的内表面接触的可滑动构件，用于保持可滑动构件的保持器和用于向柔性可旋转构件施加压力的压力辊，从而形成具有滑动构件。保持器的保持表面包括凸起形状的第一保持区域和凸起形状的第二保持区域，其设置在柔性可旋转构件的移动方向上的第一保持区域的下游侧，并且第二保持区域具有大于第一保持区域的表冠量的表冠量。

13. 发明授权

US06438349B1 Fixing member, fixing assembly and image-forming apparatus 有权
公开(公告)号：US06438349B1
公开(公告)日：2002-08-20
申请号：US09852625
申请日：2001-05-11
申请人： Atsutoshi Ando
发明人： Atsutoshi Ando
IPC分类号： G03G1520
摘要： A fixing member for use in a fixing assembly of an image-forming apparatus of an electrophotographic or electrostatic recording system has a conductive layer and a releasing layer formed on the conductive layer. In the releasing layer, any one or both of medium-resistance particles and medium-resistance whiskers are dispersed, and the releasing layer has a surface resistivity of 1.0×108 &OHgr; or below and a volume resistivity of 1.0×108 &OHgr;cm or above. The fixing assembly having such a fixing member may be provided in an image-forming apparatus having the fixing assembly, and the fixing member has a superior anti-offset properties and proofness to smeared image trailing edges.

14. 发明授权

US5995785A Image forming apparatus having a mechanism for preventing stripping off of a lubricant from a cleaning blade 失效
标题翻译：图像形成装置具有用于防止从清洁刮板剥离润滑剂的机构
公开(公告)号：US5995785A
公开(公告)日：1999-11-30
申请号：US953977
申请日：1997-10-20
申请人： Junichi Kato , Tadashi Onimura , Koichi Suwa , Satoru Inami , Jun Suzuki , Atsutoshi Ando
发明人： Junichi Kato , Tadashi Onimura , Koichi Suwa , Satoru Inami , Jun Suzuki , Atsutoshi Ando
IPC分类号： G03G21/10 , G03G21/00 , G03G21/06
CPC分类号： G03G21/06 , G03G21/0005 , G03G2215/021 , G03G2215/025
摘要： An image forming apparatus includes, an image bearing member, a charger which may be a main charger and auxiliary charger for charging the image bearing member, a developing unit for forming a toner image by developing an electrostatic latent image formed on the image bearing member using a toner having the same polarity as that of the charger, a transfer electrode, having a width different from that of the charger and contacting a transfer material, for applying a bias voltage having a polarity opposite to that of the charger to the transfer material, the cleaning blade contacting the image bearing member in a counter direction relative to a moving direction of the image bearing member in order to scrape and remove toner particles remaining on the image bearing member after the image transfer due to the potential of the image bearing member, and a member for reducing a charging potential difference between the charger and the transfer electrode generated on the image bearing member. A lubricant may be applied between the image bearing member and the cleaning blade member. By making the width of the charger and the width of the transfer electrode substantially the same, the charging potential difference between the charger and the transfer electrode generated on the image bearing member is reduced.
摘要翻译：图像形成装置包括：图像承载部件，可以是主充电器的充电器和用于对图像承载部件充电的辅助充电器;显影单元，用于通过使形成在图像承载部件上的静电潜像显影来形成调色剂图像，该显影单元使用具有与充电器相同极性的调色剂，具有与充电器的宽度不同的宽度并与转印材料接触的转印电极，用于向转印材料施加极性与充电器极性相反的偏置电压，所述清洁刮板相对于所述图像承载部件的移动方向在相对方向上接触所述图像承载部件，以便在由于所述图像承载部件的电位而在图像转印之后刮擦和去除残留在所述图像承载部件上的调色剂颗粒，以及用于减小在图像承载部件上产生的充电器和转印电极之间的充电电位差的部件。可以在图像承载部件和清洁刮板部件之间施加润滑剂。通过使充电器的宽度和转印电极的宽度基本相同，在图像承载部件上产生的充电器和转印电极之间的充电电位差减小。

15. 发明授权

US5790927A Charging member and process cartridge having same 失效
标题翻译：充电构件和处理盒具有相同的
公开(公告)号：US5790927A
公开(公告)日：1998-08-04
申请号：US707719
申请日：1996-09-04
申请人： Atsutoshi Ando , Junichi Kato , Satoru Inami , Jun Suzuki
发明人： Atsutoshi Ando , Junichi Kato , Satoru Inami , Jun Suzuki
IPC分类号： F16C13/04 , G03G15/02
CPC分类号： G03G15/0233
摘要： A charging member contactable to a member to be charged and capable of being supplied with a voltage to charge the member to be charged, the charging member including a core member having a stepped portion to provide a smaller diameter portion at an end portion side than at a longitudinally central side; and an elastic member supported by the core member, the elastic member covering the stepped portion.
摘要翻译：一种充电构件，其可与要充电的构件接触并且能够被供应电压以对待充电构件充电，所述充电构件包括具有台阶部分的芯构件，以在端部侧提供比在纵向中心侧以及弹性构件，其由所述芯构件支撑，所述弹性构件覆盖所述台阶部。

16. 发明申请

US20070201892A1 IMAGE FORMING APPARATUS HAVING HEAT-FIXING UNIT 失效
标题翻译：具有热固定单元的图像形成装置
公开(公告)号：US20070201892A1
公开(公告)日：2007-08-30
申请号：US11677287
申请日：2007-02-21
申请人： Atsutoshi Ando , Yuuichi Obara , Hiroshi Sahara
发明人： Atsutoshi Ando , Yuuichi Obara , Hiroshi Sahara
IPC分类号： G03G15/20 , G03G15/00
CPC分类号： G03G15/6573 , G03G15/2028 , G03G2215/00734 , G03G2215/00945
摘要： An image forming apparatus includes an image forming portion; a fixing portion having a fixing nip portion which heats and fixes the unfixed image and an discharge roller which discharges the recording material, wherein in the case where the recording material is the plain paper which is equal to or larger than the predetermined size, the discharge roller conveys the plain paper in a range from a front edge to a rear edge at a predetermined speed, in the case where the recording material is the plain paper smaller than the predetermined size, the discharge roller conveys the plain paper at a first speed until the rear edge passes through the fixing nip portion, and the discharge roller conveys the plain paper at a second speed higher than the first speed after the rear edge passed through the fixing nip portion.
摘要翻译：图像形成装置包括图像形成部分; 固定部分具有加热和固定未定影图像的定影夹持部分和排出记录材料的排纸辊，其中在记录材料是普通纸等于或大于预定尺寸的情况下，排出在预定速度下，从前边缘到后边缘的范围内传送普通纸，在记录材料是比预定尺寸小的普通纸的情况下，排纸辊以第一速度传送普通纸直到后边缘通过定影夹持部分，并且排出辊在后边缘通过定影夹持部分之后以比第一速度高的第二速度传送普通纸。

17. 发明申请

US20070116502A1 IMAGE HEATING APPARATUS 有权
标题翻译：图像加热装置
公开(公告)号：US20070116502A1
公开(公告)日：2007-05-24
申请号：US11623913
申请日：2007-01-17
申请人： Yuusuke Shimizu , Keisuke Mochizuki , Atsutoshi Ando , Michio Uchida , Tomoo Akizuki
发明人： Yuusuke Shimizu , Keisuke Mochizuki , Atsutoshi Ando , Michio Uchida , Tomoo Akizuki
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G2215/2016 , G03G2215/2019 , G03G2215/2035 , G03G2215/2061
摘要： When a fixing device becomes uncontrollable and a large amount of electric power is continuously supplied to the heater, concentration of mechanical stress on a heater is suppressed, whereby shear fracture of the heater is prevented from occurring. A longitudinal region of the heater in which a heat generation resistive member is provided is supported by a heater support surface of a heater holder, and an opposed surface of the heater holder that is opposed to a longitudinal region of the heater in which the heat generation resistive member is not provided is designed not to be in contact with the heater.
摘要翻译：当定影装置变得不可控制并且向加热器连续地供应大量电力时，抑制加热器上的机械应力集中，从而防止加热器的剪切断裂。其中设置有发热电阻构件的加热器的纵向区域由加热器保持器的加热器支撑表面和与加热器的纵向区域相对的加热器支架的相对表面支撑，其中发热不提供电阻构件设计为不与加热器接触。

18. 发明授权

US07209696B2 Image heating apparatus with elastic conductive member contacting internal surface of rotation member 有权
标题翻译：具有弹性导电构件的图像加热装置接触旋转构件的内表面
公开(公告)号：US07209696B2
公开(公告)日：2007-04-24
申请号：US10995228
申请日：2004-11-24
申请人： Masao Umezawa , Atsutoshi Ando , Hiroshi Shiba
发明人： Masao Umezawa , Atsutoshi Ando , Hiroshi Shiba
IPC分类号： G03G15/20
CPC分类号： G03G15/2064 , G03G2215/2035
摘要： An image heating apparatus includes a rotation made of a metal, a heater to which a current is applied, whereby heat dissipates from the heater and the heater contacts an internal surface of the rotation member, and a pressure roller for pressurizing the rotation member together with the heater to form a nip, wherein the rotation member is electrically grounded via a fuse. By the virtue of the invention, it is rendered possible to suppress charging of the metal rotation member and to suppress a current leak to a main frame of an image forming apparatus.
摘要翻译：图像加热装置包括由金属制成的旋转，施加电流的加热器，由加热器散热，加热器与旋转构件的内表面接触，加压辊与旋转构件一起加压，所述加热器形成辊隙，其中所述旋转构件通过保险丝电接地。借助于本发明，可以抑制金属旋转件的充电并且抑制电流泄漏到图像形成装置的主框架。

19. 发明授权

US06317574B1 Charging member, process cartridge, and image forming apparatus 失效
标题翻译：充电部件，处理盒和成像设备
公开(公告)号：US06317574B1
公开(公告)日：2001-11-13
申请号：US09510341
申请日：2000-02-22
申请人： Seiichi Shinohara , Junichi Kato , Satoru Inami , Atsutoshi Ando , Yusuke Nakazono
发明人： Seiichi Shinohara , Junichi Kato , Satoru Inami , Atsutoshi Ando , Yusuke Nakazono
IPC分类号： G03G1502
CPC分类号： G03G15/0233
摘要： A charging member is disposed in contact with an electrophotographic photosensitive member and charges the surface of the electrophotographic photosensitive member electrostatically upon application of a voltage. The charging member has a conductive support, a base layer and a surface layer which are formed on the conductive support. The surface layer contains fluorine resin particles as a filler and a fluorine resin as a binder resin.
摘要翻译：充电构件设置成与电子照相感光构件接触，并且在施加电压时静电地对静电感光构件的表面充电。充电构件具有形成在导电支撑件上的导电支撑件，基底层和表面层。表面层含有作为填料的氟树脂颗粒和作为粘合剂树脂的氟树脂。

20. 发明申请

US20090257768A1 IMAGE FORMING APPARATUS HAVING HEAT-FIXING UNIT 有权
标题翻译：具有热固定单元的图像形成装置
公开(公告)号：US20090257768A1
公开(公告)日：2009-10-15
申请号：US12488018
申请日：2009-06-19
申请人： Atsutoshi Ando , Yuuichi Obara , Hiroshi Sahara
发明人： Atsutoshi Ando , Yuuichi Obara , Hiroshi Sahara
IPC分类号： G03G15/20
CPC分类号： G03G15/6573 , G03G15/2028 , G03G2215/00734 , G03G2215/00945
摘要： An image forming apparatus includes an image forming portion; a fixing portion having a fixing nip portion which heats and fixes the unfixed image and an discharge roller which discharges the recording material, wherein in the case where the recording material is the plain paper which is equal to or larger than the predetermined size, the discharge roller conveys the plain paper in a range from a front edge to a rear edge at a predetermined speed, in the case where the recording material is the plain paper smaller than the predetermined size, the discharge roller conveys the plain paper at a first speed until the rear edge passes through the fixing nip portion, and the discharge roller conveys the plain paper at a second speed higher than the first speed after the rear edge passed through the fixing nip portion.
摘要翻译：图像形成装置包括图像形成部分; 固定部分具有加热和固定未定影图像的定影夹持部分和排出记录材料的排纸辊，其中在记录材料是普通纸等于或大于预定尺寸的情况下，排出在预定速度下，从前边缘到后边缘的范围内传送普通纸，在记录材料是比预定尺寸小的普通纸的情况下，排纸辊以第一速度传送普通纸直到后边缘通过定影夹持部分，并且排出辊在后边缘通过定影夹持部分之后以比第一速度高的第二速度传送普通纸。

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