公开(公告)号：US06339686B2

公开(公告)日：2002-01-15

申请号：US09749037

申请日：2000-12-28

申请人： Takayuki Yamanaka ,  Atsushi Inoue ,  Eiichi Kido ,  Mikie Kobayashi ,  Shigeyuki Wakada ,  Jitsuo Masuda ,  Toshihide Ohgoshi ,  Hiroshi Tatsumi ,  Masahiro Sakai

发明人： Takayuki Yamanaka ,  Atsushi Inoue ,  Eiichi Kido ,  Mikie Kobayashi ,  Shigeyuki Wakada ,  Jitsuo Masuda ,  Toshihide Ohgoshi ,  Hiroshi Tatsumi ,  Masahiro Sakai

IPC分类号： G03G1500

CPC分类号： G03G15/0812

摘要： A cleaning element is arranged on the backside of the toner layer metering blade, i.e., the side opposite to the surface in contact with the developer support, in order to prevent the cleaning element from damaging the blade surface and the abutment surface of the metering blade against the developer support. This cleaning element is frictionally moved across the backside of the toner layer metering blade to remove stuck toner from the toner layer metering blade or prevent occurrence of buildups.

摘要翻译： 清洁元件布置在调色剂层计量刀片的背面，即与显影剂支撑件接触的表面相对的一侧，以防止清洁元件损坏刮刀表面和计量刀片的邻接表面 反对开发者支持。 该清洁元件摩擦地移动到调色剂层计量刀片的背面，以从调色剂层计量刮刀去除粘附的调色剂或防止积累的发生。

公开(公告)号：US06459867B2

公开(公告)日：2002-10-01

申请号：US09769384

申请日：2001-01-26

申请人： Toshihide Ohgoshi ,  Shigeyuki Wakada ,  Eiichi Kido ,  Atsushi Inoue ,  Takayuki Yamanaka ,  Masahiro Sakai ,  Hiroshi Ishii ,  Jitsuo Masuda

发明人： Toshihide Ohgoshi ,  Shigeyuki Wakada ,  Eiichi Kido ,  Atsushi Inoue ,  Takayuki Yamanaka ,  Masahiro Sakai ,  Hiroshi Ishii ,  Jitsuo Masuda

IPC分类号： G03G1508

CPC分类号： G03G15/0812 ,  G03G15/0817

摘要： A developing apparatus capable of supplying a uniform thin layer of toner and of preventing toner scattering and leakage is provided, where the developing apparatus includes a supply roller for supplying toner to an outer peripheral surface of a toner carrier, the toner carrier for transferring the supplied toner by rotation and a layer thickness controlling member for controlling a thickness of the layer of the supplied toner at a predetermined value while making slide contact with the outer peripheral surface of the toner carrier via the toner, wherein the thin toner layer is supplied to an electrostatic latent image on an image carrier. The layer thickness controlling member is formed of an elastic plate to have a bent portion convex toward the toner carrier. The layer thickness controlling member is held by sealing members so that the bent portion makes elastic contact with the toner carrier outer peripheral surface over a nearly entire length of the toner carrier.

摘要翻译： 提供了能够提供均匀的薄层调色剂和防止调色剂飞散和泄漏的显影装置，其中显影装置包括用于向调色剂载体的外周表面供应调色剂的供应辊，用于传送供给的调色剂 通过旋转调色剂和层厚度控制构件，用于在通过调色剂与调色剂载体的外周表面滑动接触的同时将供给的调色剂层的厚度控制在预定值，其中将薄调色剂层供应到 图像载体上的静电潜像。 层厚度控制构件由弹性板形成为具有朝向调色剂载体凸起的弯曲部分。 层厚控制构件由密封构件保持，使得弯曲部分在调色剂承载件的几乎整个长度上与调色剂承载件外周表面弹性接触。

公开(公告)号：US06308018B1

公开(公告)日：2001-10-23

申请号：US09640705

申请日：2000-08-18

申请人： Hiroaki Yoshida ,  Jitsuo Masuda ,  Junji Morimoto ,  Eiichi Kido ,  Masahiro Sakai ,  Atsushi Inoue ,  Takayuki Yamanaka

发明人： Hiroaki Yoshida ,  Jitsuo Masuda ,  Junji Morimoto ,  Eiichi Kido ,  Masahiro Sakai ,  Atsushi Inoue ,  Takayuki Yamanaka

IPC分类号： G03G1508

CPC分类号： G03G15/0105 ,  G03G15/0126 ,  G03G2215/00042 ,  G03G2215/0177 ,  G03G2215/2074

摘要： The image forming portion of this image forming apparatus includes a LSU, a photosensitive drum, a developing unit holder, a multiple number of developing units, an intermediate transfer element, a transfer element and a fixing unit. All the developing units are of an identical configuration. Therefore, for replacement of developing units, the operator may and should remove any color of developing unit in the same fashion and attach a fresh developing unit of the color in the same fashion. The image forming portion sets up the image forming conditions for individual colors in the developing order.

摘要翻译： 该图像形成装置的图像形成部分包括LSU，感光鼓，显影单元保持器，多个显影单元，中间转印元件，转印元件和定影单元。 所有的显影单元都具有相同的配置。 因此，为了更换显影单元，操作员可以并且应该以相同的方式去除任何颜色的显影单元，并且以相同的方式附着新鲜的显色单元。 图像形成部按照显影顺序设定各种颜色的图像形成条件。

公开(公告)号：US06405009B1

公开(公告)日：2002-06-11

申请号：US09679614

申请日：2000-10-05

申请人： Kouji Shinkawa ,  Takashi Sakai ,  Takayuki Yamanaka ,  Atsushi Inoue ,  Jitsuo Masuda

发明人： Kouji Shinkawa ,  Takashi Sakai ,  Takayuki Yamanaka ,  Atsushi Inoue ,  Jitsuo Masuda

IPC分类号： G03G1508

CPC分类号： G03G21/12 ,  G03G21/105

摘要： In image forming apparatuses producing recycled toner from residual toner and recycling the recycled toner, the toner composition changes, and the toner properties worsen, because the external additive contained in the collected residual toner that is collected with a cleaning portion decreases during the image formation. The residual toner that has been collected with the cleaning portion is conveyed through a conveyance path to a collected residual toner storage, and external additive is supplemented from an external additive cartridge, and mixed with being stirred to produce recycled toner. In a fresh toner storage, fresh toner and recycled toner are stirred, and when the amount of toner in a developing portion drops below a predetermined amount, toner is conveyed from the fresh toner storage through a conveyance path to the developing portion. The toner that has been conveyed to the developing portion is supplied to a photosensitive drum.

摘要翻译： 在从残留调色剂生成再循环调色剂并再循环再利用调色剂的图像形成设备中，调色剂组合物变化，并且由于在图像形成期间由清洁部分收集的收集的残留调色剂中所含的外部添加剂减少，调色剂特性恶化。 已经用清洁部分收集的残留调色剂通过输送路径被输送到收集的残留调色剂储存器，并且外部添加剂由外部添加剂盒补充，并且被搅拌混合以产生再循环调色剂。 在新鲜的调色剂存储器中，搅拌新鲜的调色剂和回收的调色剂，并且当显影部分中的调色剂的量降到预定量以下时，调色剂从新鲜的调色剂储存器通过输送路径输送到显影部分。 被输送到显影部分的调色剂被提供给感光鼓。

公开(公告)号：US06353720B1

公开(公告)日：2002-03-05

申请号：US09684936

申请日：2000-10-06

申请人： Takashi Sakai ,  Takayuki Yamanaka ,  Atsushi Inoue ,  Jitsuo Masuda

发明人： Takashi Sakai ,  Takayuki Yamanaka ,  Atsushi Inoue ,  Jitsuo Masuda

IPC分类号： G03G1508

CPC分类号： G03G15/0808 ,  G03G15/0812 ,  G03G2215/0634

摘要： A developing device, includes; a developing roller supporting and conveying mono component toner to a photoreceptor having a static latent image; a supplying roller pressed against the developing roller and rotated so as to supply the toner to the developing roller. In order to perform beneficial supply of the toner to the developing roller, bias voltages are applied so as to generate an electric field which will cause the toner between the developing roller and the supplying roller to be attracted to the developing roller. At a predetermined time before completion of development, the bias voltage applied to the supplying roller is switched so as to create an electric field which will cause the toner to be attracted to the supplying roller. Thus the toner residing between the developing roller and supplying roller after development is removed, whereby it is possible to prevent toner from sticking to that area on the developing roller, after development. Another configuration further includes a cleaning roller abutted on the supplying and regulating rollers. When development is completed, rotation of the developing roller is stopped. In time with this, the supplying roller, regulating roller and cleaning roller are kept on rotating for a predetermined period while the bias voltages are switched so that the direction of the electric fields acting on the toner, formed between the rollers after switching are opposite to those formed during development.

摘要翻译： 一种显影装置，包括： 将具有静电潜像的感光体支撑并输送单组分调色剂的显影辊; 供给辊压靠在显影辊上并旋转，以将调色剂供给到显影辊。 为了对显影辊进行有利的调色剂供应，施加偏置电压以产生将导致显影辊和供给辊之间的调色剂被吸引到显影辊的电场。 在显影完成之前的预定时间，施加到供给辊的偏置电压被切换，从而产生使得调色剂被吸引到供给辊的电场。 因此，除去显影辊之后位于显影辊和供给辊之间的调色剂，从而可以在显影之后防止调色剂粘附在显影辊上的该区域上。 另一种结构还包括一个抵靠在供给和调节辊上的清洁辊。 当显影完成时，显影辊的旋转停止。 随着时间的推移，供电辊，调节辊和清洁辊在转换偏压的同时保持旋转预定时间，使得在切换之后形成在辊之间的调色剂上的电场的方向相反 那些在发展过程中形成的。

公开(公告)号：US07567764B2

公开(公告)日：2009-07-28

申请号：US11700783

申请日：2007-02-01

申请人： Takayuki Yamanaka ,  Yuichi Kazaki ,  Eiichi Kido ,  Atsushi Inoue ,  Hiroaki Nakaya

发明人： Takayuki Yamanaka ,  Yuichi Kazaki ,  Eiichi Kido ,  Atsushi Inoue ,  Hiroaki Nakaya

IPC分类号： G03G15/08

CPC分类号： G03G15/0812

摘要： An developing device in which a developing roller develops an electrostatic latent image on a photo conductor; a developing roller driving unit rotates the developing roller in a forward direction and in a backward direction respectively while development is performed and not performed; a thickness regulating member, which is pressed against a surface of the developing roller, regulates a thickness of developer adhered to the surface of the developing roller; and a suppression unit suppresses a pressing force of the thickness regulating member when the developing roller is rotating in the backward direction.

摘要翻译： 一种显影装置，其中显影辊在光导体上显影静电潜像; 显影辊驱动单元在显影不执行的同时使显影辊分别在向前方向和向后方向上旋转; 压在显影辊的表面上的厚度调节构件调节附着在显影辊表面上的显影剂的厚度; 并且抑制单元抑制当显影辊沿向后方向旋转时厚度调节构件的按压力。

公开(公告)号：US20070177906A1

公开(公告)日：2007-08-02

申请号：US11700783

申请日：2007-02-01

申请人： Takayuki Yamanaka ,  Yuichi Kazaki ,  Eiichi Kido ,  Atsushi Inoue ,  Hiroaki Nakaya

发明人： Takayuki Yamanaka ,  Yuichi Kazaki ,  Eiichi Kido ,  Atsushi Inoue ,  Hiroaki Nakaya

IPC分类号： G03G15/08

CPC分类号： G03G15/0812

摘要： An developing device comprising a developing roller for developing an electrostatic latent image on a photo conductor; a developing roller driving unit for rotating the developing roller in a forward direction and in a backward direction respectively while development is performed and not performed; a thickness regulating member, which is pressed against a surface of the developing roller, for regulating a thickness of developer adhered to the surface of the developing roller; and a suppression unit for suppressing a pressing force of the thickness regulating member when the developing roller is rotated in the backward direction.

摘要翻译： 一种显影装置，包括用于在光导体上显影静电潜像的显影辊; 显影辊驱动单元，用于在显影不执行的同时分别在显影辊的正向和反向方向上转动显影辊; 厚度调节构件，其被压靠在显影辊的表面上，用于调节附着在显影辊表面上的显影剂的厚度; 以及抑制单元，用于当显影辊沿向后方向旋转时抑制厚度调节构件的按压力。

公开(公告)号：US06212348B1

公开(公告)日：2001-04-03

申请号：US09392444

申请日：1999-09-09

申请人： Atsushi Inoue ,  Hiroshi Tatsumi ,  Takayuki Yamanaka ,  Takashi Sakai

发明人： Atsushi Inoue ,  Hiroshi Tatsumi ,  Takayuki Yamanaka ,  Takashi Sakai

IPC分类号： G03G1508

CPC分类号： G03G15/0812

摘要： A developing unit having an elastic blade which is provided with rectangular holes along the width in the area between its abutment portion against a developing roller and the supported end.

摘要翻译： 一种具有弹性刮板的显影单元，该弹性刮板在其抵靠部分与显影辊之间的区域中沿宽度设置有矩形孔和支撑端。

公开(公告)号：US06282394B1

公开(公告)日：2001-08-28

申请号：US09408277

申请日：1999-09-29

申请人： Takashi Sakai ,  Atsushi Inoue ,  Hiroshi Tatsumi ,  Takayuki Yamanaka

发明人： Takashi Sakai ,  Atsushi Inoue ,  Hiroshi Tatsumi ,  Takayuki Yamanaka

IPC分类号： G03G1508

CPC分类号： G03G15/0808

摘要： In a mono component toner developing device, a developing roller supporting and conveying the mono component toner is arranged in contact with a photoreceptor supporting a static latent image. A supplying roller is arranged opposing the developing roller with a predetermined contact depth. The supplying roller has a pair of driven gears fixed at both ends of the rotational shaft thereof for being rotated so as to be meshed with a pair of driving gears rotated by a driving motor. The rotational force of the driving gears, acting at a coupling position, is used to deflect the supplying roller toward the developing roller side, whereby the supplying roller is pressed in approximately uniform contact with the developing roller across its full length along the shaft.

摘要翻译： 在单组分调色剂显影装置中，支撑和输送单组分调色剂的显影辊被布置成与支持静电潜像的感光体接触。 供给辊以预定的接触深度布置成与显影辊相对。 供给辊具有固定在其旋转轴的两端的一对从动齿轮，以便与由驱动电机旋转的一对驱动齿轮啮合。 作用在联接位置的驱动齿轮的旋转力用于使供给辊朝向显影辊侧偏转，由此，供给辊沿显影辊沿着轴的整个长度与显影辊大致均匀地接触。

公开(公告)号：US06064463A

公开(公告)日：2000-05-16

申请号：US204811

申请日：1998-12-03

申请人： Masanori Yamada ,  Takayuki Yamanaka ,  Toshihiko Takaya ,  Tadashi Iwamatsu ,  Atsushi Inoue ,  Nobuyuki Azuma ,  Keiji Yasuda ,  Kazuhiro Matsuyama ,  Hiroshi Tatsumi

发明人： Masanori Yamada ,  Takayuki Yamanaka ,  Toshihiko Takaya ,  Tadashi Iwamatsu ,  Atsushi Inoue ,  Nobuyuki Azuma ,  Keiji Yasuda ,  Kazuhiro Matsuyama ,  Hiroshi Tatsumi

IPC分类号： G03G15/08 ,  G03B27/32 ,  G03B27/52

CPC分类号： G03G15/0812

摘要： A blade is pressed against a developing roller for regulating the amount of toner which is deposited on a surface of the developing roller. The blade is formed with a slant face at its tip end, to which the toner is transported along a direction of rotation of the developing roller. An angle of aperture .theta. at a toner inlet portion defined by the developing roller and the slant face is set at 12.5.degree. or more, the angle of aperture counting in an angle .psi. of the slant face, elastic deformation and radius (R) of the developing roller, and an angle .alpha. related to a nip width w on which the blade contacts with the developing roller. Such an angle of aperture .theta. provides a great allowance for a free length l of the blade, thereby permitting the blade to maintain a constant toner mass for forming a uniform toner layer.

摘要翻译： 叶片被压靠在显影辊上，用于调节沉积在显影辊表面上的调色剂的量。 刀片在其尖端处形成有倾斜面，调色剂沿着显影辊的旋转方向传送到该表面。 由显影辊和倾斜面限定的调色剂入口部分处的孔的角度θ设定为12.5°或更大，倾斜角度在倾斜角度psi，弹性变形和半径（R） 显影辊和与刀片与显影辊接触的辊隙宽度w相关的角度α。 孔的这种角度对刀片的自由长度l提供了很大的余量，从而允许刀片保持恒定的调色剂质量以形成均匀的调色剂层。