公开(公告)号：EP1580618B1

公开(公告)日：2017-02-01

申请号：EP04015324.9

申请日：2004-06-30

申请人： CANON KABUSHIKI KAISHA

发明人： Maeshima, Hideki ,  Yokomori, Kanji ,  Murayama, Kazunari ,  Nittani, Susumu ,  Hoshi, Nobuharu ,  Suzuki, Tatsuya

IPC分类号： G03G15/08

CPC分类号： G03G21/181 ,  G03G15/0894 ,  G03G2221/1861 ,  Y10T29/4973 ,  Y10T29/49746

公开(公告)号：EP1231523B1

公开(公告)日：2010-04-21

申请号：EP02250810.5

申请日：2002-02-06

申请人： CANON KABUSHIKI KAISHA

发明人： Kanno, Kazuhiko ,  Horikawa, Tadashi ,  Suzuki, Tatsuya ,  Yasui, Kojiro ,  Nittani, Susumu ,  Yamaguchi, Koji

IPC分类号： G03G21/18

CPC分类号： G03G21/1821 ,  G03G21/1832 ,  G03G2215/0119 ,  G03G2221/1861

公开(公告)号：EP1115039B1

公开(公告)日：2008-07-09

申请号：EP01300062.5

申请日：2001-01-05

申请人： CANON KABUSHIKI KAISHA

发明人： Arimitsu, Takeshi ,  Nittani, Susumu ,  Yokomori, Kanji

IPC分类号： G03G21/18

CPC分类号： G03G21/1853 ,  G03G21/186 ,  G03G2221/1618

公开(公告)号：EP1580618A3

公开(公告)日：2005-10-12

申请号：EP04015324.9

申请日：2004-06-30

申请人： CANON KABUSHIKI KAISHA

发明人： Maeshima, Hideki ,  Yokomori, Kanji ,  Murayama, Kazunari ,  Nittani, Susumu ,  Hoshi, Nobuharu ,  Suzuki, Tatsuya

IPC分类号： G03G15/08

CPC分类号： G03G21/181 ,  G03G15/0894 ,  G03G2221/1861 ,  Y10T29/4973 ,  Y10T29/49746

摘要： A remanufacturing method for a process cartridge including a development unit main frame (27), the method comprising: a first gear group dismounting step of dismounting a first gear group (84,85) from a first bearing member (76) mounted to one longitudinal end of the frame, wherein the first gear group includes a driving receiving gear (84) for receiving a driving force from the main assembly of an image forming apparatus when mounted; a supporting member dismounting step of dismounting a supporting member (83) from the first bearing member, the supporting member being provided between the first gear group and a second gear group (86,87,88) for transmitting the driving force to a toner supply roller (25b); a second gear group dismounting step of dismounting the second gear group from the first bearing member, steps of dismounting the first bearing member, development roller (25a) and developing blade (23) from the frame; a refilling step of filling a developer into a developer accommodating portion through a developer supply opening exposed by the developing blade dismounting step; steps of mounting the developing blade to the frame, and the developing roller by engaging its longitudinal ends in holes in the first and second bearing members (76,75); a second gear group mounting step of mounting the second gear group to the first bearing member; a supporting member mounting step of mounting the supporting member to the first bearing member and outside of the second gear group so as to overlap at least a part thereof; a first gear group mounting step of mounting the first gear group to the first bearing member to which the supporting member is mounted. The above described processes, and the structural arrangement having the supporting member (83), prevents the second group of gears from accidentally falling off when disassembling or assembling the process cartridge, simplifying its remanufacturing.

摘要翻译： 一种用于包括显影单元主框架的处理盒的再生产方法，所述方法包括：第一齿轮组拆卸步骤，从安装在第一轴承件上的第一轴承件上拆下第一齿轮组， 其中所述第一齿轮组包括驱动接收齿轮（84），所述驱动接收齿轮用于在安装时接收来自图像形成设备的主组件的驱动力; 从第一轴承部件拆卸支撑部件（83）的支撑部件拆卸步骤，支撑部件设置在第一齿轮组和第二齿轮组（86,87,88）之间，用于将驱动力传输到调色剂供应器 滚筒（25b）; 从第一轴承部件拆卸第二齿轮组的第二齿轮组拆卸步骤，从框架拆卸第一轴承部件，显影辊（25a）和显影叶片（23）的步骤; 再填充步骤，通过由显影刀片拆卸步骤暴露的显影剂供应开口将显影剂填充到显影剂容纳部分中; 通过将其纵向端部接合在第一和第二轴承部件（76,75）中的孔中而将显影叶片安装到框架和显影辊的步骤; 第二齿轮组安装步骤，将第二齿轮组安装到第一轴承构件; 支撑构件安装步骤，其将所述支撑构件安装到所述第一轴承构件并且在所述第二齿轮组的外侧以便与其至少一部分重叠; 第一齿轮组安装步骤，将第一齿轮组安装到安装有支撑构件的第一轴承构件。 上述过程和具有支撑构件（83）的结构布置防止了在拆卸或组装处理盒时第二组齿轮意外脱落，从而简化了其再制造。

公开(公告)号：EP1580622A2

公开(公告)日：2005-09-28

申请号：EP04015345.4

申请日：2004-06-30

申请人： CANON KABUSHIKI KAISHA

发明人： Hoshi, Nobuharu ,  Nittani, Susumu ,  Suzuki, Tatsuya

IPC分类号： G03G21/18

CPC分类号： G03G21/181

摘要： A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the process cartridge includes an electrophotographic photosensitive drum; a developer accommodating portion for accommodating a developer; a developing roller for developing a latent image formed on the drum using the developer accommodated in the accommodating portion; a developer supply roller for supplying he developer to the developing roller; a developing device frame supporting the developing roller and the developer supply roller and having the developer accommodating portion; a first gear provided at one longitudinal end side of the developing device frame, the first gear has a driving force receiving gear portion which is engaged with a main assembly gear provided in the main assembly when the process cartridge is mounted to the main assembly; a second gear provided inside the driving force receiving gear portion in a longitudinal direction of the developing device frame, the second gear being effective to transmit t driving force received by the first gear to the developer supply roller; and a supporting member, disposed between the first gear and the second gear with respect to the longitudinal direction of the developing device frame, for supporting the second gear.

摘要翻译： 处理盒可拆卸地安装到电子照相成像设备的主组件上，处理盒包括电子照相感光鼓; 显影剂容纳部分，用于容纳显影剂; 显影辊，用于使用容纳在容纳部分中的显影剂使形成在鼓上的潜像显影; 显影剂供应辊，用于将显影剂供应到显影辊; 支撑显影辊和显影剂供应辊并具有显影剂容纳部分的显影装置框架; 第一齿轮，其设置在显影装置框架的一个纵向端侧处，第一齿轮具有驱动力接收齿轮部分，当处理盒安装到主组件上时，驱动力接收齿轮部分与设置在主组件中的主组件齿轮啮合; 在显影装置框架的纵向方向上设置在驱动力接收齿轮部分内部的第二齿轮，第二齿轮有效地将由第一齿轮接收的t驱动力传输到显影剂供应辊; 以及支撑构件，相对于显影装置框架的纵向方向设置在第一齿轮和第二齿轮之间，用于支撑第二齿轮。

公开(公告)号：EP2884344A1

公开(公告)日：2015-06-17

申请号：EP14200534.7

申请日：2007-01-11

申请人： Canon Kabushiki Kaisha

发明人： Yoshimura, Akira ,  Murayama, Kazunari ,  Nittani, Susumu ,  Numagami, Atsushi

IPC分类号： G03G21/18

CPC分类号： G03G21/1803 ,  G03G21/1623 ,  G03G21/1647 ,  G03G21/1676 ,  G03G21/1814 ,  G03G21/1825 ,  G03G21/1839 ,  G03G21/1842 ,  G03G2215/0119 ,  G03G2221/169 ,  G03G2221/1861 ,  G03G2221/1869

摘要： A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the main assembly including an opening, a door movable between a close position for closing the opening and an open position for opening the opening, a first force application member movable with movement of the door from the open position to the closing position and a second force application member movable by a driving force from a driving source, the process cartridge includes an electrophotographic photosensitive drum; a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum; a drum unit containing the electrophotographic photosensitive drum; a developing unit which contains the developing roller and which is movable relative to the drum unit such that developing roller is movable between a contact position in which the developing roller is contacted to the electrophotographic photosensitive drum and a spaced position in which the developing roller is spaced from the electrophotographic photosensitive drum; and a force receiving device including a first force receiving portion for receiving a force from the first force application member by movement of the door from the open position to the close position in the state that process cartridge is mounted to the main assembly of the apparatus through the opening, and a second force receiving portion movable from a stand-by position by movement of the first force receiving portion by a force received from the first force application member, wherein the second force receiving portion takes a projected position for receiving a force from the second force application member to move the developing unit from the contact position to the spaced position, the projected position being higher than the stand-by position.

公开(公告)号：EP1231523A3

公开(公告)日：2006-09-06

申请号：EP02250810.5

申请日：2002-02-06

申请人： CANON KABUSHIKI KAISHA

发明人： Kanno, Kazuhiko ,  Horikawa, Tadashi ,  Suzuki, Tatsuya ,  Yasui, Kojiro ,  Nittani, Susumu ,  Yamaguchi, Koji

IPC分类号： G03G21/18

CPC分类号： G03G21/1821 ,  G03G21/1832 ,  G03G2215/0119 ,  G03G2221/1861

摘要： A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a first frame; a second frame coupled with the first frame (7) for rotation about a shaft; an electrophotographic photosensitive drum (1) provided in the first frame; a developing member (40), provided in the second frame (4), for developing an electrostatic latent image formed on the photosensitive drum with a developer; a developing member, provided in the second frame, for developing an electrostatic latent image formed on the photosensitive drum with a developer; an elastic member (54) for applying an elastic force between the first frame and the second frame to urge the developing member to the photosensitive drum; a force receiving portion (46), provided downstream of the shaft with respect to a mounting direction in which the process cartridge is mounted to the main assembly of the image forming apparatus, for receiving a force from the main assembly of the image forming apparatus to keep the developing member away from the photosensitive drum when the process cartridge is mounted to the main assembly of the image forming apparatus; and a limiting portion for limiting upward movement of the first frame.

摘要翻译： 一种处理盒，可拆卸地安装到电照相成像设备的主组件上，包括：第一框架; 再加上用于绕轴旋转所述第一框架（7）的第二框架; 在第一帧中提供电子照相感光鼓（1）; 在用于开发用显影剂将形成在感光鼓上静电潜像的第二框架（4）提供了一种显影部件（40）; 显影构件，在第二帧中提供，用于与显影剂对形成在感光鼓上静电潜像显影的; 上施加到第一框架和第二框架以促使显影元件的感光鼓之间的弹性力的弹性构件（54）; 相对于下游的轴，其中所述处理盒被安装到成像装置的主组件上的安装方向的力接收部分（46），用于从所述图像形成装置的主组件接收的力 保持所述显影部件从感光鼓当处理盒被安装到成像装置的主组件远离; 以及用于限制所述第一帧的向上移动限制部。

公开(公告)号：EP1580618A2

公开(公告)日：2005-09-28

申请号：EP04015324.9

申请日：2004-06-30

申请人： CANON KABUSHIKI KAISHA

发明人： Maeshima, Hideki ,  Yokomori, Kanji ,  Murayama, Kazunari ,  Nittani, Susumu ,  Hoshi, Nobuharu ,  Suzuki, Tatsuya

IPC分类号： G03G15/08

CPC分类号： G03G21/181 ,  G03G15/0894 ,  G03G2221/1861 ,  Y10T29/4973 ,  Y10T29/49746

摘要： A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the process cartridge including a photosensitive drum unit having an electrophotographic photosensitive drum, a developing unit which has a developer accommodating portion supporting a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum and for accommodating a developer for developing the electrostatic latent image using the developing roller, and which has a developer supply opening for supplying the developer accommodated in the developer accommodating portion to the developing roller, wherein the photosensitive drum unit and developing unit are rotatably connected with each other, the method comprising:

(a) a unit separating step of separating the photosensitive drum unit and the developing unit from each other;
(b) a first side cover member dismounting step of dismounting a first side cover member mounted to one longitudinal end of the developing unit;
(c) a first gear group dismounting step of dismounting a first gear group from a first bearing member mounted to one longitudinal end of a developing device frame,
   wherein the first gear group includes a driving receiving gear for receiving a driving force from the main assembly of the image forming apparatus when the process cartridge is mounted to the main assembly of the image forming apparatus;
(d) a supporting member dismounting step of dismounting a supporting member from the first bearing member after the first gear group dismounting step,
   wherein the supporting member is provided between the first gear group and the second gear group to support the second gear group, and wherein the second gear group is disposed at a position inside the driving force receiving gear with respect to a longitudinal direction of the developing device frame to transmit a driving force received by the driving force receiving gear to a developer supply roller for supplying t the developer to the developing roller;.
(e) a second gear group dismounting step of dismounting the second gear group from the first bearing member;
(f) a first bearing member dismounting step of dismounting a first bearing member mounted to the developing device frame from the developing device frame;
(g) a developing roller dismounting step of dismounting the developing roller from the developing device frame;
(h) a developing blade dismounting step of dismounting, from the developing device frame, a developing blade for regulating an amount of the developer deposited on a peripheral surface of the developing roller;
(i) a developer refilling step of filling a developer into the developer accommodating portion through the developer supply opening exposed by the developing blade dismounting step;
(j) a developing blade mounting step of mounting the developing blade to the developing device frame;
(k) a developing roller mounting step of mounting the developing roller to the developing device frame by mounting the first bearing member to the developing device frame by engaging another end shaft to be provided at another longitudinal end of the developing roller in a second hole of a second bearing member mounted to another longitudinal end of the developing device frame and by engaging a one-end shaft to be provided at one longitudinal end of the developing roller in a first hole of the first bearing member;
(l) a second gear group mounting step of mounting the second gear group to the first bearing member mounted to the one longitudinal end of the developing device frame;
(m) a supporting member mounting step of mounting the supporting member to the first bearing member mounted to the second gear group at a position outside of the second gear group with respect to a longitudinal direction of the developing device frame so as to be overlapped with at least a part of the second gear group;
(n) a first gear group mounting step of mounting the first gear group to the first bearing member to which the supporting member is mounted at a position outside supporting member with respect to a longitudinal direction of the developing device frame;
(o) a first side cover member mounting step of mounting the first side cover member to the first bearing member so as to interpose the supporting member therebetween and so as to partly contacted to the supporting member to confine the supporting member to the one-end bearing member, wherein the first side cover member is engaged with a positioning projection provided on the first bearing member to determine a mounting position relative to the first bearing member; and
(p) a unit coupling process of rotatably connecting the photosensitive drum unit and the developing unit with each other.

公开(公告)号：EP1146400A3

公开(公告)日：2005-08-03

申请号：EP01109146.9

申请日：2001-04-12

申请人： CANON KABUSHIKI KAISHA

发明人： Yokomori, Kanji ,  Arimitsu, Takeshi ,  Nittani, Susumu

IPC分类号： G03G15/08

CPC分类号： G03G15/0812 ,  G03G2215/0177

摘要： An object of the present invention is to provide a developing apparatus and an assembling method for this apparatus which are capable of uniformalizing a thickness of a developer carried on a developer carrying body, thereby preventing an ununiform optical density of image from being produced. Further object of the present invention is to provide a developing apparatus that has a developing frame, a developer carrying body, and a regulating member, wherein the regulating member has an elastic blade to be brought into contact with the developer and a supporting member for supporting the elastic blade, and the supporting member is supported by the developing frame, and wherein the elastic blade is coupled with the supporting member by welding.

公开(公告)号：EP1536295A3

公开(公告)日：2005-06-08

申请号：EP03029890.5

申请日：2003-12-29

申请人： CANON KABUSHIKI KAISHA

发明人： Murayama, Kazunari ,  Yokomori, Kanji ,  Nittani, Susumu ,  Maeshima, Hideki

IPC分类号： G03G21/18

CPC分类号： G03G21/1839 ,  G03G2221/1861 ,  G03G2221/1884

摘要： A process cartridge to be carried on a movable guide (30,32) provided in the main assembly of an electrophotographic image forming apparatus from a receiving position for mounting toward a mount position for image forming, includes an electrophotographic photosensitive drum (21); process means actable on the drum; a cartridge frame (26) supporting the drum and the process means; a first portion (85) and a second portion (86), respectively provided at the two longitudinal ends (21a,21b) of the drum to be carried, and supported by the movable guide; a first positioning portion (81) and a second positioning portion (82), to be positioned relative to a main assembly and extending outwardly from the cartridge frame adjacent the respective longitudinal ends of the drum; and an engaging portion (37,38) for engagement with a locking portion (31,33) which is movable in interrelation with the movement of the movable guides (30,32) to receive a pulling force for movement from the receiving position toward the mount position.

摘要翻译： 一种从电子照相成像设备的主组件中朝向用于成像的安装位置安装的可移动导向件（30,32）上承载的处理盒，包括电子照相感光鼓（21）; 处理装置可作用在鼓上; 支撑滚筒和处理装置的盒框架（26） 分别设置在所述滚筒的两个纵向端部（21a，21b）上的第一部分（85）和第二部分（86），所述第一部分（85）和所述第二部分（86）由所述可移动引导件支撑; 第一定位部分（81）和第二定位部分（82），其相对于主组件定位并且从盒框架向外邻近鼓的相应纵向端部向外延伸; 和一个与一个锁定部分（31,33）接合的接合部分（37,38），该锁定部分可与可移动导向件（30,32）的移动相关地移动，以接收从接收位置朝着 安装位置。