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1.发明授权Electrophotographic apparatus having cleaning device and developing device configured to prevent toner leakage 失效具有清洁装置的电子照相设备和被配置为防止调色剂泄漏的显影装置
公开(公告)号：US5655178A
公开(公告)日：1997-08-05
申请号：US547225
申请日：1995-10-24
申请人： Masaaki Ishikawa , Michihisa Iguchi , Hiroshi Hashizume , Tetsuya Nakamura , Kouichirou Satou , Yoshiaki Okano , Hirotaka Fukuyama , Satoshi Katagata , Takashi Ishikawa , Seiji Arai , Chinobu Sakai , Takahito Kabai
发明人： Masaaki Ishikawa , Michihisa Iguchi , Hiroshi Hashizume , Tetsuya Nakamura , Kouichirou Satou , Yoshiaki Okano , Hirotaka Fukuyama , Satoshi Katagata , Takashi Ishikawa , Seiji Arai , Chinobu Sakai , Takahito Kabai
CPC分类号： G03G21/007 , G03G15/0815 , G03G15/0817 , G03G15/0855 , G03G15/0865 , G03G15/0882 , G03G15/0891 , G03G15/0896 , G03G15/0898 , G03G2221/1648
摘要： A developing device used in an electrophotographic apparatus has seal members fixedly disposed between both end portions of a developing roller and those portions of inner walls of a device casing which correspond to both end portions of the developing roller. The seal members are made of a material which can be charged by friction with the developing roller to have the same polarity as charged toner. The toner is blocked by the seal members and presented from entering end portions of the developing roller.
摘要翻译： 在电子照相设备中使用的显影装置具有固定地设置在显影辊的两个端部和对应于显影辊的两个端部的装置壳体的内壁部分之间的密封件。 密封构件由能够与显影辊摩擦而带电的材料制成，以具有与带电调色剂相同的极性。 调色剂被密封件阻挡并且从进入显影辊的端部呈现。
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公开(公告)号：US5497224A
公开(公告)日：1996-03-05
申请号：US205229
申请日：1994-03-03
申请人： Masaaki Ishikawa , Seiji Arai , Michihisa Iguchi
发明人： Masaaki Ishikawa , Seiji Arai , Michihisa Iguchi
CPC分类号： G03G21/0064 , G03G2221/0005 , G03G2221/0042 , G03G2221/0063 , G03G2221/0073 , G03G2221/0089 , G03G2221/1618 , G03G2221/166 , G03G2221/183
摘要： An image forming apparatus includes a distributing device for distributing residual toner remaining on a photosensitive member after a developed toner image is transferred to a sheet-like paper and before a subsequent image is formed. The distributing device includes a distributing brush which is located between a transferring device and a charging device, has a contact portion contacting the photosensitive member, and includes a voltage supply device for supplying a direct current voltage to the distributing brush. The voltage difference between the distributing brush and the photosensitive member is sufficient to cause a discharge to occur between the distributing brush and photosensitive member.
摘要翻译： 图像形成装置包括分配装置，用于在显影的调色剂图像转印到片状纸上之后并且在形成后续图像之前分配残留在感光构件上的残留调色剂。 分配装置包括位于转印装置和充电装置之间的分配刷，具有与感光构件接触的接触部分，并且包括用于向分配刷提供直流电压的电压供给装置。 分配刷和感光构件之间的电压差足以在分配刷和感光构件之间产生放电。
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3.发明授权Electrophotographic apparatus having developing device with seals for preventing toner leakage 失效具有用于防止调色剂泄漏的具有密封件的显影装置的电子照相设备
公开(公告)号：US5488462A
公开(公告)日：1996-01-30
申请号：US258186
申请日：1994-06-10
申请人： Masaaki Ishikawa , Michihisa Iguchi , Hiroshi Hashizume , Tetsuya Nakamura , Kouichirou Satou , Yoshiaki Okano , Hirotaka Fukuyama , Satoshi Katagata , Takashi Ishikawa , Seiji Arai , Chinobu Sakai , Takahito Kabai
发明人： Masaaki Ishikawa , Michihisa Iguchi , Hiroshi Hashizume , Tetsuya Nakamura , Kouichirou Satou , Yoshiaki Okano , Hirotaka Fukuyama , Satoshi Katagata , Takashi Ishikawa , Seiji Arai , Chinobu Sakai , Takahito Kabai
CPC分类号： G03G21/007 , G03G15/0815 , G03G15/0817 , G03G15/0855 , G03G15/0865 , G03G15/0882 , G03G15/0891 , G03G15/0896 , G03G15/0898 , G03G2221/1648
摘要： A developing device used in an electrophotographic apparatus has seal members fixedly disposed between both end portions of a developing roller and those portions of inner walls of a device casing which correspond to both end portions of the developing roller. The seal members are made of a material which can be charged by friction with the developing roller to have the same polarity as charged toner. The toner is blocked by the seal members and prevented from entering end portions of the developing roller.
摘要翻译： 在电子照相设备中使用的显影装置具有固定地设置在显影辊的两个端部和对应于显影辊的两个端部的装置壳体的内壁部分之间的密封件。 密封构件由能够与显影辊摩擦而带电的材料制成，以具有与带电调色剂相同的极性。 调色剂被密封件阻挡并防止进入显影辊的端部。
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公开(公告)号：US5188057A
公开(公告)日：1993-02-23
申请号：US583555
申请日：1990-09-17
申请人： Masaaki Ishikawa , Michihisa Iguchi , Hiroshi Hashizume , Yasuo Fujii , Tetsuya Nakamura , Hirotaka Fukuyama , Seiji Arai , Koichiro Sato , Toshio Takagi , Shuji Nishina , Jiro Hukasawa , Masatoshi Maruta , Seiichi Koizumi
发明人： Masaaki Ishikawa , Michihisa Iguchi , Hiroshi Hashizume , Yasuo Fujii , Tetsuya Nakamura , Hirotaka Fukuyama , Seiji Arai , Koichiro Sato , Toshio Takagi , Shuji Nishina , Jiro Hukasawa , Masatoshi Maruta , Seiichi Koizumi
IPC分类号： G03G15/09
CPC分类号： G03G15/09 , G03G2215/0609
摘要： A developing apparatus including a hopper storing toner and carrier and a roller disposed in an opening of the hopper. A carrier stopper is provided on a front wall of the hopper proximate the opening having an arced surface concentrically opposing an upper portion of the roller. Thus, a blend layer volume is formed in a first space between the carrier stopper and the roller for storing a blended layer of carrier and toner such that the carrier stopper prevents carrier from scattering outside the blend layer volume and the conjunctional effect of rotating the roller and of the magnetic force of the rotary magnets in the roller blends the carrier and toner stored in the blended layer. A sub-hopper, proximate the blend layer volume, is also formed by a second space between the carrier stopper and a lateral bottom wall of the hopper for storing toner to be provided to the blended layer.
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5.发明授权Developing device and image forming apparatus including an agitator having two springs wound in different directions around a rod 失效显影装置和图像形成装置包括具有围绕杆绕不同方向缠绕的两个弹簧的搅拌器
公开(公告)号：US5465140A
公开(公告)日：1995-11-07
申请号：US412086
申请日：1995-03-27
申请人： Tetsuya Nakamura , Takahito Kabai , Michihisa Iguchi , Seiji Arai , Chinobu Sakai , Satoshi Katagata
发明人： Tetsuya Nakamura , Takahito Kabai , Michihisa Iguchi , Seiji Arai , Chinobu Sakai , Satoshi Katagata
CPC分类号： G03G15/0877 , G03G15/0856 , G03G15/0889 , G03G2215/083
摘要： A developing device includes an agitator rotated in a toner hopper. The agitator has a rod portion. A first coil spring portion is wound around the first portion of the rod portion in a first direction. A second coil spring portion is wound around the second portion of the rod portion in a second direction. The first direction is opposite to the second direction.
摘要翻译： 显影装置包括在调色剂料斗中旋转的搅拌器。 搅拌器具有杆部分。 第一螺旋弹簧部分沿着第一方向缠绕在杆部分的第一部分周围。 第二螺旋弹簧部分沿着第二方向缠绕在杆部分的第二部分周围。 第一方向与第二方向相反。
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公开(公告)号：US5477306A
公开(公告)日：1995-12-19
申请号：US114099
申请日：1993-08-31
CPC分类号： G03G21/1814 , G03G21/1628 , G03G21/1666 , G03G21/168 , G03G21/1821 , G03G2221/1636 , G03G2221/1654 , G03G2221/1657
摘要： In an electrophotographic device, a main body is divided into a lower body and a swingable upper body. A process unit formed of at least a toner holder, a charger, and a developer is detachably mounted in the lower body. The position of the process unit (particularly, the photosensitive member) relative to the lower body (particularly, a member driving gear) is controlled by placing a shaft of the member through a groove in a side wall of the lower body at one end of the member, and by bringing a lower end of the side wall of the process unit supporting the member into contact with an upper end of a support member supporting the member driving gear. An exposure unit mounted in the upper body is positioned to the photosensitive member with a predetermined distance therebetween by bringing a contact portion of the exposure head into contact with the side wall of the lower body supporting the member.
摘要翻译： 在电子照相装置中，主体被分为下体和可摆动的上身。 由至少调色剂保持器，充电器和显影剂形成的处理单元可拆卸地安装在下体中。 处理单元（特别是感光构件）相对于下体（特别是构件驱动齿轮）的位置通过将构件的轴通过凹槽放置在下体的侧壁中的一端来控制 并且通过使支撑构件的处理单元的侧壁的下端与支撑构件驱动齿轮的支撑构件的上端接触。 通过使曝光头的接触部与支撑该构件的下体的侧壁接触，安装在上身中的曝光单元以其间具有预定距离而定位在感光构件上。
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公开(公告)号：US5537192A
公开(公告)日：1996-07-16
申请号：US291748
申请日：1994-08-17
申请人： Michihisa Iguchi , Hiroshi Hashizume , Seiji Arai , Yoshiaki Okano , Chinobu Sakai , Hirotaka Fukuyama , Takahito Kabai , Kouichirou Satou , Tetsuya Nakamura , Satoshi Katagata
发明人： Michihisa Iguchi , Hiroshi Hashizume , Seiji Arai , Yoshiaki Okano , Chinobu Sakai , Hirotaka Fukuyama , Takahito Kabai , Kouichirou Satou , Tetsuya Nakamura , Satoshi Katagata
CPC分类号： G03G15/1675 , G03G15/1685
摘要： A transfer device of a contact transfer method wherein a transfer power supply applies a predetermined transfer voltage to a transfer roller contacting the rear surface of a printing sheet, so that an electric field for causing the toner to be attracted by the transfer roller is generated. A lumped constant resistor is electrically inserted between the transfer roller and the transfer power supply. The lumped constant resistor has an electric resistance smaller than an equivalent electric resistance obtained when the whole transfer roller is regarded as one electric resistor. When the electric resistance of the printing sheet changes in accordance with a change in ambient environment, the voltage drop across the lumped constant resistor is changed to compensate for the change in electric resistance of the printing sheet.
摘要翻译： 一种接触转印方法的转印装置，其中转印电源向接触印刷纸的后表面的转印辊施加预定的转印电压，从而产生用于使转印辊吸引调色剂的电场。 集中的恒定电阻器电插入转印辊和转印电源之间。 集总常数电阻器的电阻小于将整个转印辊视为一个电阻器时获得的等效电阻。 当印刷纸的电阻根据周围环境的变化而变化时，改变集中的恒定电阻器两端的电压降，以补偿印刷纸的电阻的变化。
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8.发明授权Electrophotographic apparatus that prevents toner from attaching to a contact member of a transfer device 失效电子照相设备，其防止调色剂附着到转印装置的接触元件上
公开(公告)号：US5692232A
公开(公告)日：1997-11-25
申请号：US599101
申请日：1996-02-09
申请人： Yoshiaki Okano , Hiroshi Hashizume , Hirotaka Fukuyama , Kouichirou Satou , Tetsuya Nakamura , Satoshi Katagata , Michihisa Iguchi , Seiji Arai , Chinobu Sakai , Takahito Kabai
发明人： Yoshiaki Okano , Hiroshi Hashizume , Hirotaka Fukuyama , Kouichirou Satou , Tetsuya Nakamura , Satoshi Katagata , Michihisa Iguchi , Seiji Arai , Chinobu Sakai , Takahito Kabai
CPC分类号： G03G15/0806 , G03G15/1675
摘要： At start of rotation of a photosensitive drum, rotation of a developing roller caused by a developing/register rollers driver is kept stopped until a time required for a predetermined point on the photosensitive member, which was located at a charging position when charging thereof by a charging device was started, to reach a development position elapses, and thereafter the developing roller is rotated by the developing/register rollers driver. When the predetermined point on the photosensitive member, which was located at the developing position when at least rotation of the photosensitive member was started, passes the transfer position, a roller cleaning voltage having the same polarity as the charge polarity of toner is applied to a transfer roller.
摘要翻译： 在感光鼓的旋转开始时，由显影/对准辊驱动器引起的显影辊的转动被保持停止，直到感光部件上的预定点所需的时间，该感光部件在通过一个 启动充电装置，达到显影位置，然后显影辊由显影/对准辊驱动器旋转。 当光敏元件的至少旋转开始时位于显影位置的感光元件上的预定点通过转印位置时，具有与调色剂的电荷极性相同极性的辊清洁电压施加到 转印辊。
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公开(公告)号：US5600417A
公开(公告)日：1997-02-04
申请号：US113696
申请日：1993-08-31
申请人： Michihisa Iguchi , Hiroshi Hashizume , Seiji Arai , Yoshiaki Okano , Chinobu Sakai , Hirotaka Fukuyama , Takahito Kabai , Kouichirou Satou , Tetsuya Nakamura , Satoshi Katagata
发明人： Michihisa Iguchi , Hiroshi Hashizume , Seiji Arai , Yoshiaki Okano , Chinobu Sakai , Hirotaka Fukuyama , Takahito Kabai , Kouichirou Satou , Tetsuya Nakamura , Satoshi Katagata
IPC分类号： G03G15/08
CPC分类号： G03G15/0818 , G03G15/0812
摘要： In a developing device for developing an electrostatic latent image formed on a photosensitive member in an electrophotographic apparatus, a developing roller and a developing blade are formed such that the hardness of the surface of the developing blade is higher than the hardness of the surface of the developing roller by 30 degrees or more in JIS-A hardness. The developing blade deforms and bites into the developing roller. Accordingly, the developing roller can be brought into tight contact with the developing blade, and a great frictional force is applied to the toner passing between the developing roller and blade to fully charge the toner.
摘要翻译： 在用于显影形成在电子照相设备中的感光构件上的静电潜像的显影装置中，形成显影辊和显影刮板，使得显影刮板的表面的硬度高于 显影辊在JIS-A硬度下30度以上。 显影刀片变形并咬入显影辊。 因此，显影辊可以与显影刮板紧密接触，并且对通过显影辊和刮刀之间的调色剂施加很大的摩擦力以使调色剂完全充电。
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10.发明授权
公开(公告)号：US5412364A
公开(公告)日：1995-05-02
申请号：US93826
申请日：1993-07-20
申请人： Michihisa Iguchi , Hiroshi Hashizume , Seiji Arai , Yoshiaki Okano , Chinobu Sakai , Hirotaka Fukuyama , Takahito Kabai , Kouichirou Satou , Tetsuya Nakamura , Satoshi Katagata
发明人： Michihisa Iguchi , Hiroshi Hashizume , Seiji Arai , Yoshiaki Okano , Chinobu Sakai , Hirotaka Fukuyama , Takahito Kabai , Kouichirou Satou , Tetsuya Nakamura , Satoshi Katagata
IPC分类号： G03G15/08
CPC分类号： G03G15/0817 , G03G15/0855 , G03G15/0865 , G03G15/0874 , G03G15/0882 , G03G2221/1648 , Y10S222/01
摘要： A toner pack for use in an electrophotographic apparatus is formed of a polypropylene resin containing 30 to 50 wt % calcium carbonate filler. This resin has a high deformability, and generates a small amount of heat at the time of incineration thereof. Thus, the used toner pack can be disposed of together with flammable products made of paper and/or wood. Further, at the time of disposal, it is possible to fold the used toner pack to reduce its size.
摘要翻译： 用于电子照相设备的调色剂组合物由含有30-50重量％碳酸钙填料的聚丙烯树脂形成。 该树脂具有高的变形性，并且在其焚烧时产生少量的热量。 因此，所使用的调色剂包可以与由纸和/或木材制成的易燃产品一起处理。 此外，在处理时，可以折叠所使用的调色剂包以减小其尺寸。
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