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1. 发明授权

US11422490B2 Image forming apparatus with controlled operation for air suction 有权
公开(公告)号：US11422490B2
公开(公告)日：2022-08-23
申请号：US17126641
申请日：2020-12-18
申请人： Canon Kabushiki Kaisha
发明人： Michiaki Endo , Tomoharu Kitajima , Shuhei Takahashi , Shuichi Tamura
IPC分类号： G03G15/20
摘要： An infrared irradiating portion is turned on in accordance with power-on of an image forming apparatus 10, and an air sucking operation of an air sucking portion 300 is started after a temperature of an infrared radiation member 305 of an IR irradiating portion 13 reaches a predetermined temperature.

2. 发明申请

US20210109466A1 IMAGE FORMING APPARATUS 有权
公开(公告)号：US20210109466A1
公开(公告)日：2021-04-15
申请号：US17126641
申请日：2020-12-18
申请人： Canon Kabushiki Kaisha
发明人： Michiaki Endo , Tomoharu Kitajima , Shuhei Takahashi , Shuichi Tamura
IPC分类号： G03G15/20
摘要： An infrared irradiating portion is turned on in accordance with power-on of an image forming apparatus 10, and an air sucking operation of an air sucking portion 300 is started after a temperature of an infrared radiation member 305 of an IR irradiating portion 13 reaches a predetermined temperature.

3. 发明授权

US10969716B2 Non-contact image heating apparatus including a shielding member 有权
公开(公告)号：US10969716B2
公开(公告)日：2021-04-06
申请号：US16695944
申请日：2019-11-26
申请人： CANON KABUSHIKI KAISHA
发明人： Shuichi Tamura , Shuhei Takahashi , Tomoharu Kitajima
IPC分类号： G03G15/20 , G03G15/00
摘要： An image heating apparatus includes a rotatable belt, a driving source, a heating portion, a heat shielding member, a shielding member moving mechanism, and a controller. The controller is configured to control the moving mechanism so that the shielding member is in a shielding position and rotation of the belt is at rest in a stand-by state in which the image heating apparatus waits for input of an image forming signal for forming the image.

4. 发明申请

US20170315476A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20170315476A1
公开(公告)日：2017-11-02
申请号：US15498579
申请日：2017-04-27
申请人： CANON KABUSHIKI KAISHA
发明人： Masato Yuasa , Tomoharu Kitajima
IPC分类号： G03G15/08
CPC分类号： G03G15/0891 , G03G15/0865 , G03G15/0872
摘要： An image forming apparatus includes a developing device; a developer supply container including an accommodating portion for accommodating a developer, a projected portion projected from the accommodating portion, and a discharge opening for discharging the developer; and a developer supplying device for storing the developer to be supplied to the developing device. The developer supply container is mounted to the developer supplying device. The developer supplying device includes i) a storage portion configured to store the developer, ii) an opening configured to insert the projected portion into the storage portion, iii) an abutting portion abutting to the developer supply container to set the projected portion at a predetermined position relative to the storage portion, iv) a shield portion at least a part of which is vertically below the projected portion of the developer supply container.

5. 发明申请

US20150277319A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150277319A1
公开(公告)日：2015-10-01
申请号：US14667084
申请日：2015-03-24
申请人： CANON KABUSHIKI KAISHA
发明人： Nobuhiro Tani , Tomoharu Kitajima
IPC分类号： G03G15/00
CPC分类号： G03G15/50 , G03G15/5041 , G03G15/5054 , G03G2215/00042
摘要： An image forming apparatus includes a movable image-bearing member, a sensor opposed to the image-bearing member, a shutter member arranged between the image-bearing member and the sensor and capable of moving between an open position and a closed position, a rotatable cam configured to move the shutter member, and an execution portion configured to selectively execute a first mode in which the shutter member is opened or closed by rotating the cam within a first phase range and a second mode in which the shutter member is vibrated by rotating the cam at least through a second phase range different from the first phase range.
摘要翻译：图像形成装置包括可移动图像承载部件，与图像承载部件相对的传感器，设置在图像承载部件和传感器之间并且能够在打开位置和关闭位置之间移动的挡板部件，凸轮构造成移动快门构件，并且执行部分被配置成选择性地执行第一模式，其中通过在第一相位范围内旋转凸轮来打开或关闭活门构件，并且第二模式中，活门构件通过旋转而振动所述凸轮至少通过与所述第一相位范围不同的第二相位范围。

6. 发明授权

US11327430B2 Image forming device with connected accommodating portions for control board and recording media 有权
公开(公告)号：US11327430B2
公开(公告)日：2022-05-10
申请号：US17338588
申请日：2021-06-03
申请人： CANON KABUSHIKI KAISHA
发明人： Tomoharu Kitajima
IPC分类号： G03G15/00 , G03G21/16
摘要： An image forming apparatus includes an electric board extending to a first direction and a second direction, a board accommodating portion cover the electric board, a recording medium accommodating portion to cover a recording medium and a connecting portion. The recording medium accommodating portion is arranged side by side with the board accommodating portion in the first direction. The connecting portion is arranged to overlap with the board accommodating portion and the recording medium accommodating portion as seen in a third direction perpendicular to the first and second directions, and connects the board accommodating portion and the recording medium accommodating portion. The board accommodating portion and the recording medium accommodating portion are directly fixed to the connecting portion, respectively.

7. 发明申请

US20210397116A1 FIXING DEVICE 有权
公开(公告)号：US20210397116A1
公开(公告)日：2021-12-23
申请号：US17466774
申请日：2021-09-03
申请人： CANON KABUSHIKI KAISHA
发明人： Shuhei Takahashi , Shuichi Tamura , Tomoharu Kitajima
IPC分类号： G03G15/20
摘要： A fixing device for fixing an image comprising a liquid developer on a recording material includes a feeding belt for feeding the recording material; a plurality of air vents, provided in a region of the feeding belt on which the recording material is fed, for sucking the recording material onto the feeding belt; a fan for sucking the recording material toward the feeding belt; and a heating source for heating the image on the recording material fed by the feeding belt, by radiant heat, and satisfies the following: db·Φb·K

8. 发明授权

US09836009B2 Image forming apparatus and image forming unit having rotatable stay connecting side plates 有权
公开(公告)号：US09836009B2
公开(公告)日：2017-12-05
申请号：US15171524
申请日：2016-06-02
申请人： CANON KABUSHIKI KAISHA
发明人： Shotaro Ishihara , Tomoharu Kitajima , Masato Yuasa
IPC分类号： G03G15/00 , G03G15/08
CPC分类号： G03G15/75 , G03G15/0898
摘要： An image forming apparatus includes an image forming unit having a rotatable image bearing member, a first support side plate, and a second support side plate; a development device; a transfer device; a rotatable stay; an operation portion; and a toner containing portion. The rotatable stay is disposed at a position downstream of the development device and upstream of the transfer device with respect to a rotation direction of the image bearing member to face the image bearing member and to connect the first support side plate and the second support side plate. The operation portion is provided at an end portion of the stay to rotate the stay. The toner containing portion contains the toner accumulated on the stay.

9. 发明申请

US20150277320A1 IMAGE FORMING APPARATUS 有权
标题翻译：图像形成装置
公开(公告)号：US20150277320A1
公开(公告)日：2015-10-01
申请号：US14672051
申请日：2015-03-27
申请人： CANON KABUSHIKI KAISHA
发明人： Nobuhiro Tani , Tomoharu Kitajima , Tadashi Fukuda
IPC分类号： G03G15/00 , G03G21/00
CPC分类号： G03G15/50 , G03G15/01 , G03G15/0849 , G03G15/0855 , G03G15/5033 , G03G15/5054 , G03G2215/00042
摘要： An image forming apparatus including a movable image bearing member, a sensor arranged so as to oppose the image bearing member, a shutter member movable between an opened position and a closed position, a vibration mechanism configured to apply vibration to the shutter member, and an executing portion configured to execute a vibrating action which applies vibrations to the shutter member by the vibration device based on image formation history information.
摘要翻译：一种图像形成装置，包括可移动图像承载部件，布置成与图像承载部件相对的传感器，可在打开位置和关闭位置之间移动的挡板部件，被配置为向挡板部件施加振动的振动机构，所述执行部被配置为执行基于图像形成历史信息通过所述振动装置对所述挡板部件施加振动的振动动作。

10. 发明申请

US20150016837A1 DEVELOPING APPARATUS 有权
标题翻译：开发设备
公开(公告)号：US20150016837A1
公开(公告)日：2015-01-15
申请号：US14327646
申请日：2014-07-10
申请人： CANON KABUSHIKI KAISHA
发明人： Tomoharu Kitajima
IPC分类号： G03G15/09
CPC分类号： G03G15/0942 , G03G15/0817
摘要： A developing apparatus includes a developing container for accommodating a developer including magnetic particles; a developer feeding member, provided in the developing container and having a magnetic shaft, for feeding the developer; a bearing rotatably supporting the shaft; a bearing accommodating portion; and a magnet, provided around the shaft at a position inside the bearing in the bearing accommodating portion, for forming a magnetic seal of magnetic particles by a magnetic field formed between itself and the shaft; wherein the bearing accommodating portion includes a first space between the magnet and the bearing and a second space which is provided outside of the bearing with respect to a diametrical direction and which is in fluid communication with the first space to receive the developer from the first space.
摘要翻译：显影装置包括用于容纳包含磁性颗粒的显影剂的显影容器; 显影剂供给构件，设置在显影容器中并具有用于供给显影剂的磁性轴; 可旋转地支撑轴的轴承; 轴承容纳部; 以及磁体，其设置在所述轴的轴承容纳部内的位置处的所述轴周围，用于通过其自身与所述轴之间形成的磁场形成磁性粒子的磁性密封; 其中所述轴承容纳部分包括在所述磁体和所述轴承之间的第一空间和第二空间，所述第二空间相对于直径方向设置在所述轴承的外部，并且与所述第一空间流体连通以从所述第一空间接收所述显影剂。

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