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1. 发明公开

US20240310760A1 HEATING DEVICE AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20240310760A1
公开(公告)日：2024-09-19
申请号：US18669369
申请日：2024-05-20
申请人： CANON KABUSHIKI KAISHA
发明人： Motoyasu Muramatsu
IPC分类号： G03G15/20
CPC分类号： G03G15/2046 , G03G15/2053 , G03G15/2064 , G03G2215/2019
摘要： A heating device includes an elongated heater, a first holding member configured to hold the heater, a power shut-off member configured to shut off power supply to the heater, a second holding member configured to hold the power shut-off member, a first urging member configured to press the power shut-off member against the heater, and a regulation member configured to regulate a position of the second holding member, wherein, in a longitudinal direction of the heater, one end side of the second holding member is urged by the first urging member, and another end side of the second holding member is regulated in position by the regulation member.

2. 发明授权

US12091277B2 Sheet conveyance device and image forming apparatus 有权
公开(公告)号：US12091277B2
公开(公告)日：2024-09-17
申请号：US17707376
申请日：2022-03-29
申请人： CANON KABUSHIKI KAISHA
发明人： Yuta Nakatomi , Motoyasu Muramatsu
IPC分类号： B65H5/06
CPC分类号： B65H5/06 , B65H2402/52 , B65H2404/17 , B65H2801/06
摘要： A sheet conveyance device includes a conveyance roller having first and second end portions in a rotation axis direction, an open bearing supporting the first end portion, a frame supporting the open bearing, and a second end support portion supporting the second end portion. The open bearing includes a roller support portion supporting the conveyance roller and an open portion allowing the conveyance roller to be removed through the open portion from the roller support portion in a direction perpendicular to a rotation axis. The open bearing is movable from a first position, at which the conveyance roller is restricted from moving, to a second position at which the conveyance roller can move in the rotation axis direction. The second end portion is removable from the second end support portion by moving the conveyance roller from the second toward first end portion with the open bearing at the second position.

3. 发明授权

US10895841B2 Image forming apparatus having link mechanism for positioning cartridge 有权
公开(公告)号：US10895841B2
公开(公告)日：2021-01-19
申请号：US16691485
申请日：2019-11-21
申请人： CANON KABUSHIKI KAISHA
发明人： Satoshi Murasaki , Motoyasu Muramatsu , Takashi Yano , Jiro Moriya
IPC分类号： G03G21/00 , G03G21/18 , G03G21/16
摘要： In an image forming apparatus, a link mechanism for mounting a cartridge on an apparatus main body, includes a pivot link and an intermediate link that moves from a first position for mounting the cartridge to a second position for image forming. A connecting portion to connect the intermediate link and the pivot link includes a boss with a protruded portion and a hole portion. When the intermediate link is at the second position, the protruded portion presses an inner surface of the hole portion such that a rotation moment in a direction in which the pivot link pivots, acts on the pivot link, and in a state where a portion-to-be-pressed of the cartridge is pressed by a pressing portion of the apparatus main body, a portion-to-be-positioned of the cartridge comes in contact with a positioning portion of the apparatus main body.

4. 发明授权

US09250591B2 Ultrasonic wave sensor and image forming apparatus 有权
标题翻译：超声波传感器和成像设备
公开(公告)号：US09250591B2
公开(公告)日：2016-02-02
申请号：US14563782
申请日：2014-12-08
申请人： CANON KABUSHIKI KAISHA
发明人： Yasutaka Yagi , Tsutomu Ishida , Tadashi Okanishi , Teruhiko Namiki , Motoyasu Muramatsu , Masaki Kobayashi
IPC分类号： G03B15/00 , G03G15/00
CPC分类号： G03G15/5029 , G03G2215/00611 , G03G2215/00637 , G03G2215/00776
摘要： A sensor is attached to an apparatus having a fixing unit which fixes an image on a recording medium by heating the recording medium. The sensor includes: a transmission unit transmitting an ultrasonic wave to the recording medium; a reception unit receiving the ultrasonic wave via the recording medium, and output a signal corresponding to the received ultrasonic wave; and a detecting unit detecting information relating to a state of the recording medium which has changed by passing through the fixing unit, based on a first signal which the reception unit has output upon having received the ultrasonic wave before the recording medium has passed through the fixing unit, and a second signal which the reception unit has output upon having received the ultrasonic wave after the recording medium has passed through the fixing unit.
摘要翻译：传感器附接到具有固定单元的装置，该定影单元通过加热记录介质将图像定影在记录介质上。传感器包括：发送单元，向记录介质发送超声波; 接收单元，经由记录介质接收超声波，并输出与所接收的超声波对应的信号; 以及检测单元，基于在所述记录介质已经通过所述定影之前已经接收到所述超声波而输出的所述接收单元输出的第一信号来检测与通过所述定影单元已经改变的所述记录介质的状态相关的信息单元，以及接收单元在记录介质通过定影单元之后已经接收到超声波而输出的第二信号。

5. 发明申请

US20150160598A1 ULTRASONIC WAVE SENSOR AND IMAGE FORMING APPARATUS 有权
标题翻译：超声波传感器和图像形成装置
公开(公告)号：US20150160598A1
公开(公告)日：2015-06-11
申请号：US14563782
申请日：2014-12-08
申请人： CANON KABUSHIKI KAISHA
发明人： Yasutaka Yagi , Tsutomu Ishida , Tadashi Okanishi , Teruhiko Namiki , Motoyasu Muramatsu , Masaki Kobayashi
IPC分类号： G03G15/00
CPC分类号： G03G15/5029 , G03G2215/00611 , G03G2215/00637 , G03G2215/00776
摘要： A sensor is attached to an apparatus having a fixing unit which fixes an image on a recording medium by heating the recording medium. The sensor includes: a transmission unit transmitting an ultrasonic wave to the recording medium; a reception unit receiving the ultrasonic wave via the recording medium, and output a signal corresponding to the received ultrasonic wave; and a detecting unit detecting information relating to a state of the recording medium which has changed by passing through the fixing unit, based on a first signal which the reception unit has output upon having received the ultrasonic wave before the recording medium has passed through the fixing unit, and a second signal which the reception unit has output upon having received the ultrasonic wave after the recording medium has passed through the fixing unit.
摘要翻译：传感器附接到具有固定单元的装置，该定影单元通过加热记录介质将图像定影在记录介质上。传感器包括：发送单元，向记录介质发送超声波; 接收单元，经由记录介质接收超声波，并输出与所接收的超声波对应的信号; 以及检测单元，基于在所述记录介质已经通过所述定影之前已经接收到所述超声波而输出的所述接收单元输出的第一信号来检测与通过所述定影单元已经改变的所述记录介质的状态相关的信息单元，以及接收单元在记录介质通过定影单元之后已经接收到超声波而输出的第二信号。

6. 发明申请

US20220315362A1 SHEET CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS 有权
公开(公告)号：US20220315362A1
公开(公告)日：2022-10-06
申请号：US17707376
申请日：2022-03-29
申请人： CANON KABUSHIKI KAISHA
发明人： Yuta Nakatomi , Motoyasu Muramatsu
IPC分类号： B65H5/06
摘要： A sheet conveyance device includes a conveyance roller having first and second end portions in a rotation axis direction, an open bearing supporting the first end portion, a frame supporting the open bearing, and a second end support portion supporting the second end portion. The open bearing includes a roller support portion supporting the conveyance roller and an open portion allowing the conveyance roller to be removed through the open portion from the roller support portion in a direction perpendicular to a rotation axis. The open bearing is movable from a first position, at which the conveyance roller is restricted from moving, to a second position at which the conveyance roller can move in the rotation axis direction. The second end portion is removable from the second end support portion by moving the conveyance roller from the second toward first end portion with the open bearing at the second position.

7. 发明申请

US20210002095A1 IMAGE FORMING APPARATUS 有权
公开(公告)号：US20210002095A1
公开(公告)日：2021-01-07
申请号：US17026018
申请日：2020-09-18
申请人： CANON KABUSHIKI KAISHA
发明人： Takashi Kuwata , Motoyasu Muramatsu
IPC分类号： B65H7/20 , B65H7/02 , G03G15/00 , B65H5/06 , B65H3/52 , B65H3/06
摘要： The present invention provides an image forming apparatus that reduces image artifacts caused by the back tension of a separating unit. A control unit decreases the number of rotations (the rotational speed) of a resist roller pair after the leading edge of a sheet reaches a transfer position.

8. 发明申请

US20200174419A1 IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200174419A1
公开(公告)日：2020-06-04
申请号：US16691485
申请日：2019-11-21
申请人： CANON KABUSHIKI KAISHA
发明人： Satoshi Murasaki , Motoyasu Muramatsu , Takashi Yano , Jiro Moriya
IPC分类号： G03G21/16
摘要： In an image forming apparatus, a link mechanism for mounting a cartridge on an apparatus main body, includes a pivot link and an intermediate link that moves from a first position for mounting the cartridge to a second position for image forming. A connecting portion to connect the intermediate link and the pivot link includes a boss with a protruded portion and a hole portion. When the intermediate link is at the second position, the protruded portion presses an inner surface of the hole portion such that a rotation moment in a direction in which the pivot link pivots, acts on the pivot link, and in a state where a portion-to-be-pressed of the cartridge is pressed by a pressing portion of the apparatus main body, a portion-to-be-positioned of the cartridge comes in contact with a positioning portion of the apparatus main body.

9. 发明申请

US20200064769A1 DRIVE TRANSMISSION DEVICE AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200064769A1
公开(公告)日：2020-02-27
申请号：US16668503
申请日：2019-10-30
申请人： CANON KABUSHIKI KAISHA
发明人： Satoshi Murasaki , Motoyasu Muramatsu , Tsuyoshi Nagasaki
IPC分类号： G03G15/00 , G03G15/20 , F16H55/18
摘要： A drive transmission device includes a first gear, a cam configured to rotate in interrelation with rotation of the first gear and capable of changing a state of two members between a pressed state and a pressure-released state, a pressing member configured to press the cam, and a second gear configured to transmit drive to the first gear in engagement with the first gear. At least one of the first and second gears includes first teeth provided at positions corresponding to an engaging region in which the first gear is engaged with the second gear when the state of the two members is changed from the pressure-released state to the pressed state and includes second teeth provided at positions corresponding to a region other than the engaging region. Tooth thicknesses of the first teeth are thicker than tooth thicknesses of the second teeth.

10. 发明申请

US20200019096A1 FIXING DEVICE AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：US20200019096A1
公开(公告)日：2020-01-16
申请号：US16583054
申请日：2019-09-25
申请人： CANON KABUSHIKI KAISHA
发明人： Satoshi Murasaki , Motoyasu Muramatsu , Hiroki Eguchi
IPC分类号： G03G15/20 , G03G15/08
摘要： In a fixing device of the present invention, first and second movable members are each urged toward a flexible member so that the contact between contact surfaces of the first and second movable members and end faces of the flexible member are each maintained.

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