公开(公告)号：US20050244195A1

公开(公告)日：2005-11-03

申请号：US11171541

申请日：2005-07-01

Applicant: Fumitake Hirobe ,  Masaru Hibino ,  Tomoyuki Sakamaki

Inventor： Fumitake Hirobe ,  Masaru Hibino ,  Tomoyuki Sakamaki

IPC: G03G15/09

CPC classification number: G03G15/0893 ,  G03G15/0921 ,  G03G2215/0609 ,  G03G2215/0648 ,  G03G2215/0822

Abstract: A developing apparatus includes a developing container for containing a developer comprising toner and a carrier, said developing container is partitioned into a first chamber and a second chamber constituting a circulation path of the developer; a first developing rotatable member, provided in said first chamber, for developing an electrostatic image formed on the image bearing member with the developer in said first chamber; a regulating member for regulating a layer thickness of the developer on said first developing rotatable member; first magnetic pole and second magnetic pole, disposed in said first developing rotatable member in order named in a rotational direction of said first developing rotatable member, said first magnetic pole and second magnetic pole being defective to form a repelling magnetic field; a second developing rotatable member, disposed in said second chamber, for developing the the electrostatic image formed on the image bearing member with the developer magnetically received from said first developing rotatable member; wherein said regulating member is disposed at a position substantially opposed to said second magnetic pole.

Abstract translation: 显影装置包括用于容纳包含调色剂和载体的显影剂的显影容器，所述显影容器被分隔成构成显影剂循环路径的第一室和第二室; 设置在所述第一室中的第一显影可旋转构件，用于使形成在所述图像承载构件上的静电图像与所述第一室中的显影剂显影; 调节构件，用于调节所述第一显影旋转构件上的显影剂的层厚度; 第一磁极和第二磁极，以所述第一显影可旋转构件的旋转方向依次设置在所述第一显影旋转构件中，所述第一磁极和第二磁极有缺陷以形成排斥磁场; 第二显影可旋转构件，设置在所述第二室中，用于利用磁性地从所述第一显影可旋转构件接收的显影剂使形成在图像承载构件上的静电图像显影; 其中所述调节构件设置在与所述第二磁极基本相对的位置处。

公开(公告)号：US07099609B2

公开(公告)日：2006-08-29

申请号：US11171541

申请日：2005-07-01

Applicant: Fumitake Hirobe ,  Masaru Hibino ,  Tomoyuki Sakamaki

Inventor： Fumitake Hirobe ,  Masaru Hibino ,  Tomoyuki Sakamaki

IPC: G03G15/08 ,  G03G15/09

CPC classification number: G03G15/0893 ,  G03G15/0921 ,  G03G2215/0609 ,  G03G2215/0648 ,  G03G2215/0822

Abstract: A developing apparatus includes a developing container for containing a developer comprising toner and a carrier, said developing container is partitioned into a first chamber and a second chamber constituting a circulation path of the developer; a first developing rotatable member, provided in said first chamber, for developing an electrostatic image formed on the image bearing member with the developer in said first chamber; a regulating member for regulating a layer thickness of the developer on said first developing rotatable member; first magnetic pole and second magnetic pole, disposed in said first developing rotatable member in order named in a rotational direction of said first developing rotatable member, said first magnetic pole and second magnetic pole being defective to form a repelling magnetic field; a second developing rotatable member, disposed in said second chamber, for developing the the electrostatic image formed on the image bearing member with the developer magnetically received from said first developing rotatable member; wherein said regulating member is disposed at a position substantially opposed to said second magnetic pole.

Abstract translation: 显影装置包括用于容纳包含调色剂和载体的显影剂的显影容器，所述显影容器被分隔成构成显影剂循环路径的第一室和第二室; 设置在所述第一室中的第一显影可旋转构件，用于使形成在所述图像承载构件上的静电图像与所述第一室中的显影剂显影; 调节构件，用于调节所述第一显影旋转构件上的显影剂的层厚度; 第一磁极和第二磁极，以所述第一显影可旋转构件的旋转方向依次设置在所述第一显影旋转构件中，所述第一磁极和第二磁极有缺陷以形成排斥磁场; 第二显影可旋转构件，设置在所述第二室中，用于利用磁性地从所述第一显影可旋转构件接收的显影剂使形成在图像承载构件上的静电图像显影; 其中所述调节构件设置在与所述第二磁极基本相对的位置处。

公开(公告)号：US06973281B2

公开(公告)日：2005-12-06

申请号：US10420838

申请日：2003-04-23

Applicant: Fumitake Hirobe ,  Masaru Hibino ,  Tomoyuki Sakamaki

Inventor： Fumitake Hirobe ,  Masaru Hibino ,  Tomoyuki Sakamaki

IPC: G03G15/09 ,  G03G15/08

CPC classification number: G03G15/0893 ,  G03G15/0921 ,  G03G2215/0609 ,  G03G2215/0648 ,  G03G2215/0822

Abstract: A developing apparatus includes a developing container for containing a developer comprising toner and a carrier, said developing container is partitioned into a first chamber and a second chamber constituting a circulation path of the developer; a first developing rotatable member, provided in said first chamber, for developing an electrostatic image formed on the image bearing member with the developer in said first chamber; a regulating member for regulating a layer thickness of the developer on said first developing rotatable member; first magnetic pole and second magnetic pole, disposed in said first developing rotatable member in order named in a rotational direction of said first developing rotatable member, said first magnetic pole and second magnetic pole being defective to form a repelling magnetic field; a second developing rotatable member, disposed in said second chamber, for developing the the electrostatic image formed on the image bearing member with the developer magnetically received from said first developing rotatable member; wherein said regulating member is disposed at a position substantially opposed to said second magnetic pole.

Abstract translation: 显影装置包括用于容纳包含调色剂和载体的显影剂的显影容器，所述显影容器被分隔成构成显影剂循环路径的第一室和第二室; 设置在所述第一室中的第一显影可旋转构件，用于使形成在所述图像承载构件上的静电图像与所述第一室中的显影剂显影; 调节构件，用于调节所述第一显影旋转构件上的显影剂的层厚度; 第一磁极和第二磁极，以所述第一显影可旋转构件的旋转方向依次设置在所述第一显影旋转构件中，所述第一磁极和第二磁极有缺陷以形成排斥磁场; 第二显影可旋转构件，设置在所述第二室中，用于利用磁性地从所述第一显影可旋转构件接收的显影剂使形成在图像承载构件上的静电图像显影; 其中所述调节构件设置在与所述第二磁极基本相对的位置处。

公开(公告)号：US06975825B2

公开(公告)日：2005-12-13

申请号：US10406458

申请日：2003-04-04

Applicant: Tomoyuki Sakamaki ,  Masaru Hibino ,  Fumitake Hirobe

Inventor： Tomoyuki Sakamaki ,  Masaru Hibino ,  Fumitake Hirobe

IPC: G03G9/08 ,  G03G9/087 ,  G03G9/107 ,  G03G15/08 ,  G03G15/09

CPC classification number: G03G15/09 ,  G03G15/0921 ,  G03G2215/0609 ,  G03G2215/0612 ,  G03G2215/0648

Abstract: A developing apparatus includes a developer container containing a magnetic developer including a toner and a wax contained in the toner. First and second developer carrying members are rotatably provided in the developer container, for carrying the magnetic developer. A regulation member regulates a thickness of a layer of the magnetic developer carried on the first developer carrying member. A first magnet has a first magnetic pole disposed opposite to the second developer carrying member and a second magnetic pole, which is a subsequent magnetic pole, dispose downstream from the first magnetic pole in a rotation direction of the first developer carrying member and having a polarity identical to a polarity of the first magnetic pole. A second magnet has a third magnetic pole, which has a polarity opposite to a polarity of the first magnetic pole, is disposed opposite to the first developer carrying member.

Abstract translation: 显影装置包括容纳含有调色剂的磁性显影剂和包含在调色剂中的蜡的显影剂容器。 第一和第二显影剂承载构件可旋转地设置在显影剂容器中，用于承载磁性显影剂。 调节构件调节承载在第一显影剂承载构件上的磁性显影剂层的厚度。 第一磁体具有与第二显影剂承载构件相对设置的第一磁极和作为后续磁极的第二磁极，在第一显影剂承载构件的旋转方向上设置在第一磁极的下游，并且具有极性 与第一磁极的极性相同。 第二磁体具有与第一磁极的极性相反的极性的第三磁极，与第一显影剂承载构件相对设置。

公开(公告)号：US08385754B2

公开(公告)日：2013-02-26

申请号：US12859387

申请日：2010-08-19

Applicant: Fumitake Hirobe ,  Hideaki Suzuki ,  Yoshiro Tsukada ,  Masahiro Ootsuka

Inventor： Fumitake Hirobe ,  Hideaki Suzuki ,  Yoshiro Tsukada ,  Masahiro Ootsuka

IPC: G03G15/08

CPC classification number: G03G15/0893 ,  G03G15/0877 ,  G03G2215/0609

Abstract: An image forming apparatus includes an image bearing member for bearing a latent image; a developing device, including a developer carrying member for carrying and feeding a developer including toner and a carrier to a developing position in which the developer opposes the image bearing member, for developing the latent image formed on the image bearing member; a discharging portion for permitting discharge of an excessive developer present in the developing device by supplying the developer into the developing device; a feeding member for feeding the developer in the developing device; a controller for controlling a forced discharging operation for discharging the excessive developer from the discharging portion by changing a driving condition of at least one of the developer carrying member and the feeding member; and a detecting device for detecting information correlating to flowability of the developer in the developing device. The controller is capable of controlling the forced discharging operation on the basis of a detection result of the detecting device.

Abstract translation: 图像形成装置包括用于承载潜像的图像承载部件; 显影装置，包括用于将显影剂（包括调色剂和载体）携带并供给到显影位置的显影剂承载构件，其中显影剂与图像承载部件相对，用于使形成在图像承载部件上的潜像显影; 排出部分，用于通过将显影剂供应到显影装置中来排出存在于显影装置中的过量显影剂; 用于将显影剂供给到显影装置中的进给构件; 控制器，用于通过改变至少一个显影剂承载构件和进给构件的驱动状态来控制从排出部排出过量显影剂的强制排出操作; 以及用于检测与显影装置中的显影剂的流动性相关的信息的检测装置。 控制器能够根据检测装置的检测结果控制强制放电操作。

公开(公告)号：US07277649B2

公开(公告)日：2007-10-02

申请号：US11314091

申请日：2005-12-22

Applicant: Fumitake Hirobe ,  Tadayoshi Nishihama ,  Akihiro Noguchi

Inventor： Fumitake Hirobe ,  Tadayoshi Nishihama ,  Akihiro Noguchi

IPC: G03G15/08

CPC classification number: G03G15/0121 ,  G03G15/0803 ,  G03G2215/0177

Abstract: A developing apparatus for developing an electrostatic image with light chromatic toner and dark chromatic toner which have the same hue, the developing device includes a light color developing device for accommodating a developer containing the light chromatic toner and carrier to develop the electrostatic image; a dark color developing device for accommodating a developer containing the dark chromatic toner and carrier to develop the electrostatic image; light color developer supply container accommodating a developer containing the light chromatic toner and the carrier to be supplied to the light color developing device; and dark color developer supply container accommodating a developer containing the dark chromatic toner and the carrier to be supplied to the dark color developing device, wherein the developer in the light chromatic toner supply container and the developer in the dark chromatic toner supply container have carrier weight ratios which are different from each other.

Abstract translation: 一种显影装置，用于使用具有相同色调的浅色调色剂和深色调色剂显影静电图像，所述显影装置包括用于容纳含有所述浅色调色剂和载体的显影剂以显影所述静电图像的浅色显影装置; 深色显影装置，用于容纳含有深色调色剂和载体的显影剂以显影静电图像; 浅色显影剂供应容器，容纳含有所述浅色调色剂和所述载体的显影剂供应到所述浅色显影装置; 和深色显影剂供应容器，其容纳包含暗色调色剂和载体的显影剂供给暗色显影装置，其中，浅色调色剂供应容器中的显影剂和暗色调色剂供应容器中的显影剂具有载体重量 相互不同的比例。

公开(公告)号：US20070053720A1

公开(公告)日：2007-03-08

申请号：US11439982

申请日：2006-05-25

Applicant: Tadayoshi Nishihama ,  Fumitake Hirobe ,  Akihiro Noguchi ,  Akinori Tanaka

Inventor： Tadayoshi Nishihama ,  Fumitake Hirobe ,  Akihiro Noguchi ,  Akinori Tanaka

IPC: G03G15/01 ,  G03G15/08

CPC classification number: G03G15/0893 ,  G03G15/0877 ,  G03G15/0886 ,  G03G2215/0177 ,  G03G2215/0802

Abstract: In a developing apparatus provided with a developer container containing a developer, a rotary member holding the developer container and rotatively moving it relative to a developing position, an opening portion provided in the developer container and through which the developer is supplied or discharged, a valve swingable to open and close the opening portion, and a restricting wall restricting the movement of the valve in an opening direction by contacting with the valve when the valve is in an opened position, an irregularity portion is provided on at least one of the contact surface of the valve with the restricting wall and the contact surface of the restricting wall with the valve.

Abstract translation: 在设置有容纳显影剂的显影剂容器的显影装置中，保持显影剂容器并相对于显影位置使其旋转移动的旋转构件，设置在显影剂容器中并且显影剂通过其供应或排出的开口部分， 可旋转地打开和关闭开口部分;以及限制壁，其在阀处于打开位置时通过与阀接触来限制阀在打开方向上的运动，在接触表面中的至少一个上设置有不规则部分 的阀门与限制壁和限制壁的接触表面与阀。

公开(公告)号：US07054584B2

公开(公告)日：2006-05-30

申请号：US11166111

申请日：2005-06-27

Applicant: Fumitake Hirobe

Inventor： Fumitake Hirobe

IPC: G03G15/09

CPC classification number: G03G15/0921 ,  G03G9/107 ,  G03G2215/0648

Abstract: A developing apparatus for developing an electrostatic image formed on an image bearing member includes a first developer bearing member for bearing magnetic developer to transport it to a first developing portion, a first magnetic field generator stationarily provided in the first developer bearing member, a second developer bearing member for bearing magnetic developer to transport it to a second developing portion, and a second magnetic field generator stationarily provided in the second developer bearing member. The first developer bearing member and the second developer bearing member supply the magnetic developer to the electrostatic image on the image bearing member in the mentioned order. In addition, a peak value of a normal line direction component of a magnetic force generated in the vicinity of the second developing portion is greater than a peak value of a normal line direction component of a magnetic force generated in the vicinity of the first developing portion.

Abstract translation: 用于显影形成在图像承载部件上的静电图像的显影装置包括用于承载磁性显影剂以将其传送到第一显影部分的第一显影剂承载部件，固定地设置在第一显影剂承载部件中的第一磁场发生器， 支承构件用于承载磁性显影剂以将其运送到第二显影部分，以及固定地设置在第二显影剂承载构件中的第二磁场发生器。 第一显影剂承载构件和第二显影剂承载构件以所述顺序将磁性显影剂供应到图像承载构件上的静电图像。 另外，在第二显影部附近产生的磁力的法线方向分量的峰值大于在第一显影部附近产生的磁力的法线方向分量的峰值 。

公开(公告)号：US20050213999A1

公开(公告)日：2005-09-29

申请号：US11076925

申请日：2005-03-11

Applicant: Fumitake Hirobe

Inventor： Fumitake Hirobe

IPC: G03G15/00 ,  G03G15/08 ,  G03G21/00

CPC classification number: G03G15/5041 ,  G03G2215/00037 ,  G03G2215/0891

Abstract: image which develops the image density control electrostatic image formed on the image bearing member by the developing apparatus, wherein, in case the detection result by an environment detection portion is changed by a predetermined value or the replenishment developer is renewed, the process advances to a mode of performing the image density control, while performing the replenishing operation by developer replenishing means not depending on the result detected by the image density detection portion but based on the detection result of the developer density detecting means.

Abstract translation: 通过显影装置形成在图像承载部件上形成的图像浓度控制静电图像的图像，其中，如果由环境检测部分的检测结果改变预定值或补充显影剂更新，则处理进行到 执行图像浓度控制的模式，同时根据显影剂浓度检测装置的检测结果执行不依赖于图像浓度检测部分检测到的结果的显影剂补充装置的补充操作。

公开(公告)号：US20110200347A1

公开(公告)日：2011-08-18

申请号：US13025560

申请日：2011-02-11

Applicant: Fumitake Hirobe

Inventor： Fumitake Hirobe

IPC: G03G15/00

CPC classification number: G03G15/5041 ,  G03G15/0173 ,  G03G15/5058 ,  G03G2215/00059 ,  G03G2215/00067

Abstract: An image forming apparatus includes an image forming unit configured to form a toner image on an image bearing member, a first detection unit configured to detect a height of the toner image formed according to a predetermined image forming condition by the image forming unit, a determination unit configured to determine an image forming condition of the image forming unit according to a detection result of the first detection unit, a second detection unit configured to detect a density of the toner image formed according to a predetermined image forming condition by the image forming unit, and a correction unit configured to correct the image forming condition of the image forming unit determined by the determination unit based on the density of the toner image detected by the second detection unit.

Abstract translation: 图像形成装置包括：图像形成单元，被配置为在图像承载部件上形成调色剂图像;第一检测单元，被配置为检测由图像形成单元根据预定图像形成条件形成的调色剂图像的高度;确定 被配置为根据第一检测单元的检测结果确定图像形成单元的图像形成条件的单元，被配置为根据图像形成单元检测根据预定图像形成条件形成的调色剂图像的浓度的第二检测单元 以及校正单元，被配置为基于由第二检测单元检测到的调色剂图像的浓度来校正由确定单元确定的图像形成单元的图像形成条件。