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公开(公告)号：US12153373B2
公开(公告)日：2024-11-26
申请号：US18143678
申请日：2023-05-05
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hirotaka Ishii , Kenji Abe
Abstract: An image forming apparatus forms an image on a recording material and includes an apparatus body, a first process cartridge including a first photosensitive member and a first developing roller to supply first toner to the first photosensitive member, with the first process cartridge being detachably attached to the apparatus body, and a toner cartridge to accommodate the first toner and detachably attached to the apparatus body independently from the first process cartridge. A second process cartridge includes a second photosensitive member and a second developing roller to supply second toner to the second photosensitive member, with the second process cartridge being detachably attached to the apparatus body and configured not to be replenished with the second toner in a state where the second process cartridge is attached to the apparatus body.
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公开(公告)号：US20230273569A1
公开(公告)日：2023-08-31
申请号：US18143678
申请日：2023-05-05
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hirotaka Ishii , Kenji Abe
CPC classification number: G03G21/1821 , G03G21/1814 , G03G15/0868 , G03G15/1615 , G03G21/185
Abstract: An image forming apparatus forms an image on a recording material and includes an apparatus body, a first process cartridge including a first photosensitive member and a first developing roller to supply first toner to the first photosensitive member, with the first process cartridge being detachably attached to the apparatus body, and a toner cartridge to accommodate the first toner and detachably attached to the apparatus body independently from the first process cartridge. A second process cartridge includes a second photosensitive member and a second developing roller to supply second toner to the second photosensitive member, with the second process cartridge being detachably attached to the apparatus body and configured not to be replenished with the second toner in a state where the second process cartridge is attached to the apparatus body.
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公开(公告)号：US09791822B2
公开(公告)日：2017-10-17
申请号：US15087140
申请日：2016-03-31
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kenji Abe , Takashi Yano
CPC classification number: G03G21/1633 , G03G2221/1654
Abstract: An image forming apparatus and a lock mechanism including a toggle mechanism capable of eliminating the problem of abnormal noise before and after a lock member passes a neutral point are provided. A lock mechanism includes a toggle spring that rotationally biases a toggle lever toward a standby position when the lever is between a standby position and a neutral point, and implements switching in a direction of the rotational biasing toward a locking position after the lever passes the neutral point. A projection and a locked portion of an engagement member are sandwiched by a toggle base and the toggle lever to maintain a contact state before and after the toggle lever passes the neutral point.
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公开(公告)号：US20130195532A1
公开(公告)日：2013-08-01
申请号：US13826026
申请日：2013-03-14
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kenji Abe , Hideki Ohta , Takashi Kuwata , Youhei Suzuki , Takamichi Matsuo , Toshiaki Sako
IPC: G03G15/00
CPC classification number: G03G15/6579 , G03G15/234 , G03G15/6508 , G03G15/6529 , G03G2215/0043 , G03G2215/00586
Abstract: An image forming apparatus includes: a sheet feed unit that feeds a sheet to an image forming unit forming a toner image on the sheet; a fixing unit that fixes the toner image formed in the image forming unit to the sheet; and a control unit that controls the sheet feed unit, when starting duplex image formation for forming both sides of the sheet after an one-side image formation, the control unit retards a timing to cause the sheet feed unit to start the sheet feed operation as the number of sheet with an image formed on one side thereof in the one-side image formation is greater.
Abstract translation: 图像形成装置包括：片材馈送单元，其将片材馈送到在片材上形成调色剂图像的图像形成单元; 固定单元，其将形成在图像形成单元中的调色剂图像定影到片材; 以及控制单元，其控制所述供纸单元，当在单面图像形成之后开始用于形成纸张的两面的双面图像形成时，所述控制单元延迟所述供纸单元开始所述供纸操作的定时，作为 在单面图像形成中在其一侧形成的图像的数量更多。
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公开(公告)号：US11681256B2
公开(公告)日：2023-06-20
申请号：US17501141
申请日：2021-10-14
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hirotaka Ishii , Kenji Abe
CPC classification number: G03G21/1821 , G03G15/0868 , G03G15/1615 , G03G21/185 , G03G21/1814
Abstract: An image forming apparatus forms an image on a recording material and includes an apparatus body, a first process cartridge including a first photosensitive member and a first developing roller to supply first toner to the first photosensitive member, with the first process cartridge being detachably attached to the apparatus body, and a toner cartridge to accommodate the first toner and detachably attached to the apparatus body independently from the first process cartridge. A second process cartridge includes a second photosensitive member and a second developing roller to supply second toner to the second photosensitive member, with the second process cartridge being detachably attached to the apparatus body and configured not to be replenished with the second toner in a state where the second process cartridge is attached to the apparatus body.
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Patent Agency Ranking
公开(公告)号：US10606195B2
公开(公告)日：2020-03-31
申请号：US16357470
申请日：2019-03-19
Applicant: CANON KABUSHIKI KAISHA
Inventor： Keita Nakajima , Kenji Abe , Tomonari Inoue , Takehito Osada , Ko Katahira
Abstract: A toner image is formed on a first sheet surface and then heated. A conveyance unit includes a first rotary member configured to contact the first sheet surface and a second rotary member configured to contact a second sheet surface opposite to the first sheet surface. A conveyance guide is provided with an opening through which air is blown to the first sheet surface. The conveyance guide includes a first surface part and a second surface part. The first surface part is disposed on a location in a width direction overlapping with a location in the width direction of the first rotary member. In at least a part of a range between the opening and the first rotary member in the sheet conveyance direction, the first surface part is protruded with respect to the second surface part in a height direction.
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公开(公告)号：US20190302660A1
公开(公告)日：2019-10-03
申请号：US16357470
申请日：2019-03-19
Applicant: CANON KABUSHIKI KAISHA
Inventor： Keita Nakajima , Kenji Abe , Tomonari Inoue , Takehito Osada , Ko Katahira
Abstract: A toner image is formed on a first sheet surface and then heated. A conveyance unit includes a first rotary member configured to contact the first sheet surface and a second rotary member configured to contact a second sheet surface opposite to the first sheet surface. A conveyance guide is provided with an opening through which air is blown to the first sheet surface. The conveyance guide includes a first surface part and a second surface part. The first surface part is disposed on a location in a width direction overlapping with a location in the width direction of the first rotary member. In at least a part of a range between the opening and the first rotary member in the sheet conveyance direction, the first surface part is protruded with respect to the second surface part in a height direction.
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公开(公告)号：US20160291532A1
公开(公告)日：2016-10-06
申请号：US15087140
申请日：2016-03-31
Applicant: CANON KABUSHIKI KAISHA
Inventor： Kenji Abe , Takashi Yano
IPC: G03G15/00
CPC classification number: G03G21/1633 , G03G2221/1654
Abstract: An image forming apparatus and a lock mechanism including a toggle mechanism capable of eliminating the problem of abnormal noise before and after a lock member passes a neural point are provided. A lock mechanism includes a toggle spring that rotationally biases a toggle lever toward a standby position when the lever is between a standby position and a neural point, and implements switching in a direction of the rotational biasing toward a locking position after the lever passes the neural point. A projection and a locked portion of an engagement member are sandwiched by a toggle base and the toggle lever to maintain a contact state before and after the toggle lever passes the neural point.
Abstract translation: 提供一种图像形成装置和锁定机构，其包括能够消除锁定构件通过神经点之前和之后的异常噪声的肘节机构。 锁定机构包括肘节弹簧，当杠杆处于备用位置和神经点之间时，肘节杆朝向备用位置旋转地偏置，并且在杠杆通过神经元之后实现朝向锁定位置的旋转偏压的方向的切换 点。 接合构件的突起和锁定部分由肘节基座和肘杆夹持，以在肘节杆经过神经点之前和之后保持接触状态。
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公开(公告)号：US20220137550A1
公开(公告)日：2022-05-05
申请号：US17501141
申请日：2021-10-14
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hirotaka Ishii , Kenji Abe
Abstract: An image forming apparatus includes an apparatus body, a first process cartridge including a first image bearing member and a first developing roller and detachably attached to the apparatus body, a toner cartridge configured to accommodate the first toner and detachably attached to the apparatus body independently from the first process cartridge, and a second process cartridge including a second image bearing member and a second developing roller and detachably attached to the apparatus body and configured not to be replenished with the second toner in a state where the second process cartridge is attached to the apparatus body.
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公开(公告)号：US09454113B2
公开(公告)日：2016-09-27
申请号：US14525343
申请日：2014-10-28
Applicant: CANON KABUSHIKI KAISHA
Inventor： Takashi Kuwata , Kenji Abe , Hideki Ohta , Takamichi Matsuo , Youhei Suzuki , Takuro Mita
CPC classification number: G03G15/205 , G03G15/2028 , G03G15/234 , G03G15/6579 , G03G2215/0043 , G03G2215/00586 , G03G2215/00599 , G03G2215/00772
Abstract: An image forming apparatus includes a sheet feed unit which feeds a sheet to an image forming unit forming an image on the sheet, a re-transport roller which reverses the sheet with a toner image fixed on the sheet and re-transports the sheet to the image forming unit, and a control unit which controls a sheet feed operation of the sheet feed unit for feeding the sheet. As the temperature of the re-transport roller sensed by the temperature sensing unit is decreased, the control unit retards the timing at which the sheet feed unit starts the sheet feed operation when a duplex image formation in which the image is formed on both sides of the sheet is performed after a one-side image formation is completed.
Abstract translation: 图像形成装置包括将片材供给到在片材上形成图像的图像形成单元的片材进给单元，将固定在片材上的调色剂图像反转片材的再传送辊，并将片材重新输送到片材 图像形成单元，以及控制用于供给片材的供纸单元的片材进给操作的控制单元。 当由温度检测单元检测到的再传送辊的温度降低时，控制单元延迟供纸单元开始进纸操作的定时，当在其中形成图像的双面图像形成时， 在单面图像形成完成之后执行片材。
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