公开(公告)号：US06175703B1

公开(公告)日：2001-01-16

申请号：US09425734

申请日：1999-10-22

申请人： Yusuke Nakazono ,  Junichi Kato ,  Koichi Suwa ,  Satoru Inami ,  Masahiro Yoshida ,  Atsutoshi Ando ,  Satoshi Sunahara ,  Seiichi Shinohara

发明人： Yusuke Nakazono ,  Junichi Kato ,  Koichi Suwa ,  Satoru Inami ,  Masahiro Yoshida ,  Atsutoshi Ando ,  Satoshi Sunahara ,  Seiichi Shinohara

IPC分类号： G03G2116

CPC分类号： G03G9/0819 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725 ,  G03G9/09733 ,  G03G13/09 ,  G03G13/22 ,  G03G2215/021 ,  G03G2221/183

摘要： An image forming apparatus having at least: an image carrying member for carrying an electrostatic latent image, the image carrying member having a photosensitive layer on a conductive substrate; a developer for developing the electrostatic latent image carrying member on the image carrying member; a developer carrying member for carrying the developer and conveying it to a development area; a control member making contact with the developer carrying member for controlling the coating amount of the developer; and a cleaning member for cleaning the surface of the photosensitive layer of the image carrying member by making contact with the surface of the image carrying member with a contact pressure of 0.15N (15 gf) to 0.89N (90 gf). The photosensitive layer contains at least one kind of polycarbonate resin (I) having a viscosity average molecular weight of 1.5×104 or less and at least one kind of polycarbonate resin (II) having a viscosity average molecular weight of more than 1.5×104, the polycarbonate resin (I) is contained in 30% by mass to 95% by mass based on the total content of the resins (I) and (II). The developer has a toner containing toner particles and external additives, and the toner contains (a) 0.1% by mass to 5.0% by mass of a first fine powder with a number average particle size of 0.005 &mgr;m to 3.00 &mgr;m, and (b) 0.02% by mass to 2.00% by mass of an inorganic second fine powder containing 25% by mass to 90% by mass of a lubricant, as external additives.

摘要翻译： 一种图像形成装置，至少具有：用于承载静电潜像的图像承载部件，所述图像承载部件在导电基板上具有感光层; 用于在图像承载构件上显影静电潜像承载构件的显影剂; 用于承载显影剂并将其传送到显影区域的显影剂承载构件; 控制构件与显影剂承载构件接触以控制显影剂的涂布量; 以及清洁部件，通过以0.15N（15gf）至0.89N（90gf）的接触压力与图像承载部件的表面接触来清洁图像承载部件的感光层的表面。 感光层含有至少一种粘均分子量为1.5×10 4以下的聚碳酸酯树脂（I）和至少一种粘均分子量大于1.5×10 4的聚碳酸酯树脂（II），聚碳酸酯 相对于树脂（I）和（II）的总含量，树脂（I）的含量为30质量％〜95质量％。 显影剂具有含有调色剂颗粒和外部添加剂的调色剂，并且调色剂含有（a）数均粒径为0.005μm至3.00μm的第一细粉末的0.1质量％至5.0质量％，和（b） 作为外部添加剂，含有25质量％〜90质量％的润滑剂的无机第二细粉的0.02质量％〜2.00质量％。

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。

公开(公告)号：US5805951A

公开(公告)日：1998-09-08

申请号：US590438

申请日：1996-01-23

申请人： Junichi Kato ,  Satoru Inami ,  Jun Suzuki ,  Atsutoshi Ando

发明人： Junichi Kato ,  Satoru Inami ,  Jun Suzuki ,  Atsutoshi Ando

IPC分类号： G03G15/00 ,  G03G15/02 ,  G03G21/00

CPC分类号： G03G15/55 ,  G03G15/75 ,  G03G2215/021 ,  G03G2221/183

摘要： An image forming apparatus for detecting the useful life of an image bearing member includes an image bearing member; a charging member contactable to the image bearing member for charging the image bearing member, the charging member being supplied with a voltage. The image forming apparatus also includes a discharging member for electrically discharging the image bearing member, the discharging member discharging a first region of the image bearing member and a second region of the image bearing member, different from the first region in a direction of a generating line of the image bearing member; and a detecting device for detecting a current flowing through the charging member when the charging member is supplied with a predetermined voltage and charges the first region having been discharged by the discharging member and when the charging member also charges the second region having been discharged by the discharging member.

摘要翻译： 用于检测图像承载部件的使用寿命的图像形成装置包括图像承载部件; 所述充电构件可与所述图像承载构件接触，以对所述图像承载构件充电，所述充电构件被供应电压。 图像形成装置还包括用于对图像承载部件进行电放电的放电部件，排出部件排出图像承载部件的第一区域和图像承载部件的第二区域，该第二区域与产生的方向上的第一区域不同 图像承载部件的线; 以及检测装置，用于当充电构件被提供预定电压时检测流过充电构件的电流，并且对由放电构件排出的第一区域进行充电，并且当充电构件还对由第二区域排出的第二区域充电时， 排出构件。

公开(公告)号：US5682585A

公开(公告)日：1997-10-28

申请号：US363013

申请日：1994-12-23

申请人： Seiji Yamaguchi ,  Takahiro Inoue ,  Kazushige Sakurai ,  Junichi Kato ,  Kouichi Suwa ,  Masaki Ojima ,  Hiroshi Sato ,  Satoru Inami ,  Tetsuya Sano ,  Atsutoshi Ando

发明人： Seiji Yamaguchi ,  Takahiro Inoue ,  Kazushige Sakurai ,  Junichi Kato ,  Kouichi Suwa ,  Masaki Ojima ,  Hiroshi Sato ,  Satoru Inami ,  Tetsuya Sano ,  Atsutoshi Ando

IPC分类号： G03G13/09 ,  G03G15/09 ,  G03G15/08

CPC分类号： G03G15/09 ,  G03G13/09

摘要： A developing apparatus includes a developer carrying member for carrying developer, opposed to an image bearing member for bearing an electrostatic image; a regulating member for regulating an amount of the developer to be applied on the developer carrying member; and electric field generator for generating an oscillating electric field between the developer carrying member and the regulating member; wherein the amount of the developer to be applied on the developer carrying member is regulated to no less than 0.6 mg/cm.sup.2 and no more than 1.5 mg/cm.sup.2 by the regulating member.

摘要翻译： 显影装置包括用于承载显影剂的显影剂承载构件，与用于承载静电图像的图像承载构件相对; 调节构件，用于调节要施加在显影剂承载构件上的显影剂的量; 以及用于在显影剂承载构件和调节构件之间产生振荡电场的电场发生器; 其中施加在显影剂承载构件上的显影剂的量通过调节构件调节至不小于0.6mg / cm 2且不大于1.5mg / cm 2。

公开(公告)号：US5646718A

公开(公告)日：1997-07-08

申请号：US677445

申请日：1996-07-02

申请人： Koichi Suwa ,  Junichi Kato ,  Tadashi Onimura ,  Satoru Inami ,  Jun Suzuki ,  Atsutoshi Ando ,  Hiroyasu Seita

发明人： Koichi Suwa ,  Junichi Kato ,  Tadashi Onimura ,  Satoru Inami ,  Jun Suzuki ,  Atsutoshi Ando ,  Hiroyasu Seita

IPC分类号： G03G21/10 ,  G03G21/00 ,  G03G15/00

CPC分类号： G03G21/0011 ,  G03G21/0005 ,  G03G2215/021 ,  G03G2221/0015 ,  G03G2221/183

摘要： A cleaning device for an electrophotographic apparatus including an image carrier has a cleaning blade with an edge slidably contracting with an image carrier to remove foreign matter remaining on a surface of the image carrier. A lubricant including indefinite-form lubricant particles is applied to zones on the edges of the cleaning blade near both longitudinal ends of the cleaning blade and a lubricant including spherical lubricant particles is applied to a zone on the edge of the cleaning blade between the zones to which the lubricant including indefinite-form lubricant particles has been applied. A process cartridge includes the cleaning device, and an image forming apparatus incorporates the process cartridge.

摘要翻译： 用于包括图像载体的电子照相设备的清洁装置具有清洁刮刀，其具有与图像载体可滑动地收缩的边缘，以去除残留在图像载体表面上的异物。 将包含不定形润滑剂颗粒的润滑剂施加到清洁刮板的两个纵向端部附近的清洁刮板的边缘上的区域，并且包括球形润滑剂颗粒的润滑剂被施加到清洁刮板的边缘之间的区域之间 其中包括不确定形式的润滑剂颗粒的润滑剂已被施加。 处理盒包括清洁装置，并且图像形成装置包含处理盒。

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。

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。

公开(公告)号：US08670702B2

公开(公告)日：2014-03-11

申请号：US13246105

申请日：2011-09-27

申请人： Shoichiro Ikegami ,  Akihito Kanamori ,  Atsutoshi Ando

发明人： Shoichiro Ikegami ,  Akihito Kanamori ,  Atsutoshi Ando

IPC分类号： G03G15/20

CPC分类号： G03G15/206

摘要： An image heating apparatus includes a heating rotatable member; a pad-like pressing member contacted to the heating rotatable member and cooperating with the heating rotatable member to provide a nip for nipping and feeding a recording material, wherein the pressing member includes a base material having a roughened surface and a parting layer on the roughened surface, the parting layer being contacted to the heating rotatable member.

摘要翻译： 图像加热装置包括加热可旋转构件; 与所述加热可旋转构件接触并与所述加热可旋转构件配合的衬垫状按压构件，以提供用于夹持和馈送记录材料的辊隙，其中所述按压构件包括具有粗糙表面的基材和在粗糙面上的分离层 表面，分离层与加热可旋转构件接触。

公开(公告)号：US07570895B2

公开(公告)日：2009-08-04

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

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。

公开(公告)号：US07792448B2

公开(公告)日：2010-09-07

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. The image forming apparatus further includes a fixing portion having a fixing nip portion that heats and fixes the unfixed image and an discharge roller that discharges the recording material. In the case where the recording material is a plain paper that is equal to or larger than a 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 a 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 has passed through the fixing nip portion.

摘要翻译： 图像形成装置包括图像形成部。 图像形成装置还包括具有加热和固定未定影图像的定影夹持部分的固定部分和排出记录材料的排出辊。 在记录材料是等于或大于预定尺寸的普通纸的情况下，排纸辊以预定速度从前边缘到后边缘的范围内传送普通纸。 在记录材料是小于预定尺寸的普通纸的情况下，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，并且排出辊将普通纸传送到第二个 在后边缘已经通过定影夹持部分之后高于第一速度的速度。