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：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：US06169869A

公开(公告)日：2001-01-02

申请号：US09492335

申请日：2000-01-27

申请人： Satoru Inami ,  Junichi Kato ,  Masahiro Yoshida ,  Yusuke Nakazono ,  Seiichi Shinohara

发明人： Satoru Inami ,  Junichi Kato ,  Masahiro Yoshida ,  Yusuke Nakazono ,  Seiichi Shinohara

IPC分类号： G03G1522

CPC分类号： G03G13/09 ,  G03G5/0564 ,  G03G9/097 ,  G03G13/22 ,  G03G2221/183

摘要： An image forming apparatus includes an image bearing member, a developer carrying member for carrying thereon a developer to transport the developer to a developing zone, and a regulation member provided in touch with the surface of the developer carrying member to regulate coat weight of the developer carried thereon. The image bearing member includes a conductive substrate and a photosensitive layer formed thereon, and the photosensitive layer contains at least one polycarbonate resin (I) having a viscosity-average molecular weight not more than 1.5×104 and at least one polycarbonate resin (II) having a viscosity-average molecular weight more than 1.5×104, the polycarbonate resin (I) being contained in a proportion of from 30% by weight to 95% by weight based on the total weight of the polycarbonate resins (I) and (II). On the developer carrying member, the developer is in a coat weight not more than 1.5 mg/cm2 at the developing zone after its regulation by the regulation member. This apparatus can prevent smeared images and enables stable and high-grade image formation.

摘要翻译： 图像形成装置包括图像承载部件，用于承载显影剂以将显影剂输送到显影区域的显影剂承载部件和与显影剂承载部件的表面接触地设置的调节部件，以调节显影剂的涂层重量 在其上承载。 图像承载部件包括导电基材和形成在其上的感光层，感光层含有至少一种粘均分子量不大于1.5×10 4的聚碳酸酯树脂（I）和至少一种聚碳酸酯树脂（II），其具有 基于聚碳酸酯树脂（I）和（II）的总重量，粘均分子量大于1.5×10 4，聚碳酸酯树脂（I）的含量为30重量％至95重量％。 在显影剂承载构件上，显影剂在调节构件调节之后的显影区中的涂层重量不超过1.5mg / cm 2。 该装置可以防止模糊图像，并且能够进行稳定和高档次的图像形成。

公开(公告)号：US6128462A

公开(公告)日：2000-10-03

申请号：US280577

申请日：1999-03-30

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

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

IPC分类号： G03G21/00 ,  G03G15/00

CPC分类号： G03G21/0017

摘要： A cartridge detachably attachable on an image forming apparatus a photosensitive member as an image bearing member and a cleaning blade member polycarbonate resin having a viscosity average molecular weight of 1.5.times.10.sup.4 or less is blended with the surface layer of the image bearing member, and the peak value of tan .delta. of the dynamic viscoelastic characteristic of the cleaning blade member appears at 12.degree. C. or less.

摘要翻译： 与图像承载部件的表面层共混有作为图像承载部件的感光部件和粘均分子量为1.5×10 4以下的清洁刮板部件聚碳酸酯树脂可拆卸地安装在图像形成装置上的盒， 清洁刮板部件的动态粘弹性特性的tanδ值在12℃以下。

公开(公告)号：US06038414A

公开(公告)日：2000-03-14

申请号：US179579

申请日：1998-10-27

申请人： Satoru Inami ,  Junichi Kato ,  Toshiyuki Karakama ,  Atsushi Numagami ,  Masahiro Yoshida ,  Yusuke Nakazono ,  Seiichi Shinohara

发明人： Satoru Inami ,  Junichi Kato ,  Toshiyuki Karakama ,  Atsushi Numagami ,  Masahiro Yoshida ,  Yusuke Nakazono ,  Seiichi Shinohara

IPC分类号： G03G21/18 ,  G03G15/08 ,  G03G15/09

CPC分类号： G03G15/0942

摘要： A developing apparatus includes magnetic members, which are provided at ends of a developing agent bearing member with gaps therebetween and adapted to form magnetic seals between the magnetic members and the developing agent bearing member, are charged so that leakage between the magnetic seals and magnetic members, such as the developing agent bearing member, disposed in the vicinity of the magnetic seals is prevented.

摘要翻译： 显影装置包括磁性构件，其被设置在具有间隙的显影剂承载构件的端部处，并且适于在磁性构件和显影剂承载构件之间形成磁性密封，以使得磁性密封件和磁性构件之间的泄漏 ，例如设置在磁性密封附近的显影剂承载部件。

公开(公告)号：US06337964B2

公开(公告)日：2002-01-08

申请号：US09498357

申请日：2000-02-04

申请人： Satoru Inami ,  Junichi Kato ,  Masahiro Yoshida ,  Yusuke Nakazono ,  Seiichi Shinohara

发明人： Satoru Inami ,  Junichi Kato ,  Masahiro Yoshida ,  Yusuke Nakazono ,  Seiichi Shinohara

IPC分类号： G03G1508

CPC分类号： G03G21/1814 ,  G03G15/0822 ,  G03G2221/183

摘要： An agitating member for agitating a developer includes a metal shaft, a plate member joined to the metal shaft, and a sheet member joined to the plate member, the sheet member being free to curve. A developing apparatus includes a developer bearing member bearing a developer thereon, a developer container containing the developer therein, and the above-described agitating member provided in the developer container for agitating the developer and supplying it to the developer bearing member. A process cartridge detachably attachable to the main body of an image forming apparatus, includes an electrophotographic photosensitive member and the above-described developing apparatus.

摘要翻译： 用于搅拌显影剂的搅拌构件包括金属轴，连接到金属轴的板构件和连接到板构件的片构件，片构件自由弯曲。 显影装置包括在其上承载有显影剂的显影剂承载部件，其中含有显影剂的显影剂容器和设置在显影剂容器中的上述搅拌部件，用于搅拌显影剂并将其供给到显影剂承载部件。 可拆卸地附接到图像形成装置的主体的处理盒包括电子照相感光构件和上述显影装置。

公开(公告)号：US6163663A

公开(公告)日：2000-12-19

申请号：US167735

申请日：1998-10-07

申请人： Seiichi Shinohara ,  Junichi Kato ,  Satoru Inami ,  Masahiro Yoshida ,  Yusuke Nakazono

发明人： Seiichi Shinohara ,  Junichi Kato ,  Satoru Inami ,  Masahiro Yoshida ,  Yusuke Nakazono

IPC分类号： G03G15/06 ,  G03G15/09

CPC分类号： G03G15/0907 ,  G03G15/065 ,  G03G2215/0602 ,  G03G2215/0614

摘要： An image forming apparatus includes an image bearing member for bearing an electrostatic image; a developer carrying member for carrying a developer and for forming a developing zone with the image bearing member, wherein the developer is externally added with additive having a charging polarity opposite from that of the developer; a voltage applying device for applying a developing voltage to the developer carrying member; voltage a control device for controlling the developing voltage so as to change force for directing the additive toward a non-image portion of the image bearing member in accordance with a number of image forming operations.

摘要翻译： 图像形成装置包括用于承载静电图像的图像承载部件; 用于承载显影剂并与图像承载部件形成显影区的显影剂承载构件，其中显影剂外部添加具有与显影剂相反的充电极性的添加剂; 用于向显影剂承载构件施加显影电压的电压施加装置; 电压控制显影电压的控制装置，以便根据成像操作的数量改变用于将添加剂引导到图像承载部件的非图像部分的力。

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：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。