公开(公告)号：US10185240B2

公开(公告)日：2019-01-22

申请号：US15653888

申请日：2017-07-19

Applicant: CANON KABUSHIKI KAISHA

Inventor： Ryuta Ai ,  Takashi Ueno ,  Masahiro Makino ,  Yuichi Hatanaka

IPC: G03G15/02 ,  G03G15/16 ,  G03G15/00 ,  G03G21/00 ,  G03G21/18

Abstract: An image forming apparatus includes an image bearing member, a transfer member, a cleaning blade, an information storing member configured to store information on contact pressures of the cleaning blade to the image bearing member, an information input portion, and an executing portion configured to execute a toner supplying operation for supplying toner to the cleaning portion using a toner image formed on the image bearing member, in a period other than a period in which the toner image is formed on the image bearing member, for each predetermined number of image forming operations. On the basis of the information inputted to the input portion, the executing portion sets amounts of the toner supplied to the respective regions in the toner supplying operation.

公开(公告)号：US20180321623A1

公开(公告)日：2018-11-08

申请号：US16034496

申请日：2018-07-13

Applicant: CANON KABUSHIKI KAISHA

Inventor： Masahiro Makino ,  Ryuta Ai ,  Yuichi Hatanaka ,  Takashi Ueno

IPC: G03G15/00 ,  G03G15/02

Abstract: An image forming apparatus includes a photosensitive member; a charging member configured to electrically charge the photosensitive member; a developing device configured to form a toner image by supplying toner to the photosensitive member; a transfer member configured to transfer the toner image from the photosensitive member onto a toner image receiving member; a cleaning member provided in contact with the photosensitive member and configured to remove the toner remaining on a surface of the photosensitive member after transfer; and a controller configured to carry out a process for notifying information on a lifetime of the charging member, on the basis of use amount information on a use amount of the charging member and contact pressure information on contact pressure applied by the cleaning member to the photosensitive member.

公开(公告)号：US09927761B2

公开(公告)日：2018-03-27

申请号：US15416483

申请日：2017-01-26

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takashi Ueno ,  Masahiro Makino ,  Ryuta Ai ,  Yuichi Hatanaka

IPC: G03G15/00 ,  G03G21/00

CPC classification number: G03G21/0011 ,  G03G15/0189

Abstract: An image forming apparatus includes an image bearing member, a transfer member, a cleaning member, and an executing portion configured to execute a supplying operation for forming a predetermined toner image on the image bearing member during non-image formation and then supplying toner of the predetermined toner image to the contact portion. The executing portion executes the supplying operation with a forming condition of the predetermined toner image preset on the basis of information preset on contact pressure applied by the cleaning member to the image bearing member.

公开(公告)号：US20170227914A1

公开(公告)日：2017-08-10

申请号：US15416483

申请日：2017-01-26

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takashi Ueno ,  Masahiro Makino ,  Ryuta Ai ,  Yuichi Hatanaka

IPC: G03G15/00

CPC classification number: G03G21/0011 ,  G03G15/0189

Abstract: An image forming apparatus includes an image bearing member, a transfer member, a cleaning member, and an executing portion configured to execute a supplying operation for forming a predetermined toner image on the image bearing member during non-image formation and then supplying toner of the predetermined toner image to the contact portion. The executing portion executes the supplying operation with a forming condition of the predetermined toner image preset on the basis of information preset on contact pressure applied by the cleaning member to the image bearing member.

公开(公告)号：US20160306303A1

公开(公告)日：2016-10-20

申请号：US15098487

申请日：2016-04-14

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takashi Ueno

IPC: G03G15/16

CPC classification number: G03G15/161 ,  G03G15/1615 ,  G03G15/234 ,  G03G2215/1661

Abstract: An image forming apparatus includes an image bearing member; an intermediary transfer belt rotatable in a predetermined direction, a rubbing rotatable member provided between the secondary transfer portion and a cleaning blade with respect to the predetermined direction and configured to rub the belt; and a controller for controlling the belt such that after start of a both-side-printing mode operation in which the toner images are formed on respective sides of the recording material, the rotation of the belt is stopped at an end or interruption of the both-side-printing mode operation, and the belt is rotated in a direction opposite from the predetermined direction at least until a portion of the belt contacting the cleaning blade at the time of the stop of the rotation of the belt reaches a position opposing the rubbing rotatable member.

Abstract translation: 图像形成装置包括：图像承载部件; 可沿预定方向旋转的中间转印带;相对于所述预定方向设置在所述二次转印部分和清洁刮板之间的摩擦转动件，并且构造成摩擦所述带; 以及用于控制皮带的控制器，使得在记录材料的相应侧面上形成调色剂图像的双面打印模式操作开始之后，带的旋转停止或两者的中断 并且带沿与预定方向相反的方向旋转，至少直到在带的旋转停止时与清洁刮板接触的一部分带达到与摩擦相反的位置 可旋转构件。

公开(公告)号：US09268249B2

公开(公告)日：2016-02-23

申请号：US14524618

申请日：2014-10-27

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takashi Ueno ,  Yoshiro Nishino ,  Tadashi Fukuda

IPC: G03G15/02

CPC classification number: G03G15/0291

Abstract: A charging device includes: a casing provided with an opening opposing a member-to-be-charged; a discharging wire provided in the casing; a grid electrode provided in the opening; a shutter for opening and closing the opening; a cleaning member for cleaning the grid electrode; and a moving mechanism for reciprocating the shutter and the cleaning member along a longitudinal direction of the opening. The moving mechanism includes a driving member for being rotationally driven, a first moving member, held by the driving member, for moving the shutter with rotational drive of the driving member, and a second moving member, held by the driving member, for moving the cleaning member with the rotational drive of the driving member. The charging device further includes: a mechanism for forming an interval between the shutter and the cleaning member so that the cleaning member moves in advance of the shutter by a predetermined distance when the shutter moves in a closing direction; and a stopper for stopping movement of the cleaning member, and the second moving member includes a holding portion for permitting idling when the shutter moves in the closing direction toward the cleaning member, stopped by the stopper, with rotation of the driving member.

Abstract translation: 充电装置包括：壳体，设置有与待充电构件相对的开口; 设置在所述壳体中的放电线; 设置在开口内的栅电极; 用于打开和关闭开口的快门; 用于清洁栅电极的清洁构件; 以及用于沿着开口的纵向使活门和清洁构件往复运动的移动机构。 移动机构包括用于旋转驱动的驱动构件，由驱动构件保持的用于通过驱动构件的旋转驱动来移动闸门的第一移动构件和由驱动构件保持的第二移动构件， 清洁构件，其具有驱动构件的旋转驱动。 充电装置还包括：用于在快门和清洁部件之间形成间隔的机构，使得当快门沿关闭方向移动时，清洁部件在快门前移动预定距离; 以及用于停止所述清洁部件的移动的止动件，并且所述第二移动部件包括保持部，所述保持部能够在所述驱动部件旋转时，所述保持部能够在所述挡板朝向所述清扫部件向所述关闭方向移动时停止。

公开(公告)号：US09075371B2

公开(公告)日：2015-07-07

申请号：US13727760

申请日：2012-12-27

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takashi Ueno

IPC: G03G15/00 ,  G03G15/16 ,  G03G21/00

CPC classification number: G03G15/5054 ,  G03G15/161 ,  G03G15/5058 ,  G03G21/00

Abstract: An image forming apparatus includes a rotatable belt; a cleaning blade contacted to the belt; image forming stations including a first station and a second station for forming first and second adjustment toner images, respectively, on the belt, the second station being disposed downstreammost position, and the first station being disposed upstream of the second station and downstream of the cleaning blade with respect to a rotational direction of the belt; a detector for detecting the first image and the second image, at a position opposing the belt; a changing portion for changing image forming conditions of the stations on the basis of a result of detection of the detector, a controller for controlling the stations such that in a region between adjacent ones of the same images in a continuous image formations, the second image reaches the blade before the first image reaches the blade.

Abstract translation: 图像形成装置包括可旋转的带; 与皮带接触的清洁刮刀; 图像形成站包括第一站和第二站，用于分别在带上形成第一和第二调节调色剂图像，第二站设置在最后位置，第一站位于第二站的上游，并且在清洁的下游 叶片相对于带的旋转方向; 检测器，用于在与所述带相对的位置处检测所述第一图像和所述第二图像; 基于检测器的检测结果改变站的图像形成条件的改变部分，用于控制站的控制器，使得在连续图像形成中的相邻图像中的相邻图像之间的区域中，第二图像 在第一张图像到达刀片之前到达刀片。

公开(公告)号：US08953973B2

公开(公告)日：2015-02-10

申请号：US13772648

申请日：2013-02-21

Applicant: Canon Kabushiki Kaisha

Inventor： Shozo Aiba ,  Motohiro Ogura ,  Takashi Ueno ,  Kengo Sato

IPC: G03G15/16 ,  G03G21/00

CPC classification number: G03G21/0011 ,  G03G15/161 ,  G03G2215/1661

Abstract: An image forming apparatus includes: a rotatable image bearing member; a toner image forming portion; a transfer member; a cleaning blade, provided downstream of the transfer member and upstream of the toner image forming portion with respect to a rotational direction of the image bearing member; a discharging member, provided downstream of the cleaning blade and upstream of the toner image forming portion with respect to the rotational direction; and a thin plate-like member provided downstream of the discharging member and upstream of the toner image forming portion with respect to the rotational direction. An end of the thin plate-like member is contacted to a surface of the image bearing member toward an upstream side with respect to the rotational direction.

Abstract translation: 图像形成装置包括：可旋转图像承载部件; 调色剂图像形成部分; 转移构件; 相对于图像承载部件的旋转方向设置在转印部件的下游并且在调色剂图像形成部分的上游的清洁刮板; 排出构件，设置在所述清洁刮板的下游并且相对于所述旋转方向在所述调色剂图像形成部的上游; 以及设置在排出构件的下游并且相对于旋转方向在调色剂图像形成部分的上游的薄板状构件。 薄板状构件的端部朝向相对于旋转方向的上游侧与图像承载构件的表面接触。

公开(公告)号：US20130223872A1

公开(公告)日：2013-08-29

申请号：US13772648

申请日：2013-02-21

Applicant: Canon Kabushiki Kaisha

Inventor： Shozo Aiba ,  Motohiro Ogura ,  Takashi Ueno ,  Kengo Sato

IPC: G03G15/16

CPC classification number: G03G21/0011 ,  G03G15/161 ,  G03G2215/1661

Abstract: An image forming apparatus includes: a rotatable image bearing member; a toner image forming portion; a transfer member; a cleaning blade, provided downstream of the transfer portion and upstream of the toner image forming portion with respect to a rotational direction of the image bearing member; a discharging member, provided downstream of the cleaning blade and upstream of the toner image forming portion with respect to the rotational direction; and a thin plate-like member provided downstream of the discharging member and upstream of the toner image forming portion with respect to the rotational direction. An end of the thin plate-like member is contacted to a surface of the image bearing member toward an upstream side with respect to the rotational direction.

Abstract translation: 图像形成装置包括：可旋转图像承载部件; 调色剂图像形成部分; 转移构件; 相对于图像承载部件的旋转方向设置在转印部分的下游和调色剂图像形成部分的上游的清洁刮板; 排出构件，设置在所述清洁刮板的下游并且相对于所述旋转方向在所述调色剂图像形成部的上游; 以及设置在排出构件的下游并且相对于旋转方向在调色剂图像形成部分的上游的薄板状构件。 薄板状构件的端部朝向相对于旋转方向的上游侧与图像承载构件的表面接触。

公开(公告)号：US20130094879A1

公开(公告)日：2013-04-18

申请号：US13648172

申请日：2012-10-09

Applicant: CANON KABUSHIKI KAISHA

Inventor： Takashi Ueno

IPC: G03G15/02

CPC classification number: G03G15/0291

Abstract: A charging device includes a corona charger including a grid electrode, a cleaning member configured to clean the grid electrode, a sheet-type shutter configured to open/close an opening of the corona charger, a drive source configured to drive both the cleaning member and the shutter in a longitudinal direction of the corona charger, and a control unit configured to control drive of the drive source such that, when the shutter is moved in a closing direction of the opening of the corona charger after image formation is finished, the cleaning member and the shutter are driven at a first speed, and when the shutter is moved in an opening direction of the opening of the corona charger at least from when power is turned on until image formation is started, the cleaning member and the shutter are driven at a second speed higher than the first speed.

Abstract translation: 充电装置包括电晕充电器，其包括栅格电极，被配置为清洁栅格电极的清洁构件，构造成打开/关闭电晕充电器的开口的片式快门;驱动源，被配置为驱动清洁构件和 所述快门在所述电晕充电器的纵向方向上;以及控制单元，被配置为控制所述驱动源的驱动，使得当所述快门在图像形成完成之后沿所述电晕充电器的开口的关闭方向移动时，所述清洁 构件，并且快门以第一速度被驱动，并且当快门至少从打开电源直到图像形成开始时，在电晕充电器的开口的打开方向上移动快门时，清洁构件和快门被驱动 以比第一速度高的第二速度。