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公开(公告)号：US12019380B2
公开(公告)日：2024-06-25
申请号：US18156951
申请日：2023-01-19
Applicant: CANON KABUSHIKI KAISHA
Inventor： Takanori Mitani , Takao Kume , Satoshi Nishida , Isamu Takeda , Kohei Okayasu
CPC classification number: G03G15/0808 , G03G9/09328 , G03G15/0173 , G03G15/161 , G03G2215/00177 , G03G2215/00679
Abstract: An image-forming apparatus includes first and second photosensitive drums, first and second image-forming portion including first and second development rollers configured to bear developers composed of first and second toner particles and organosilicon protrusions formed on surfaces of the first and second toner particles, an intermediate transfer member to which a developer image is to be transferred in first and second contact portions in contact with the first and second photosensitive drums, and a transfer member configured to transfer the developer image to a recording material in a transfer portion. The first contact portion is formed downstream of the transfer portion and upstream of the second contact portion in a movement direction of the surface of the intermediate transfer member. A protrusion formed on the second developer has a lower height than a protrusion formed on the first developer.
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公开(公告)号：US11846892B2
公开(公告)日：2023-12-19
申请号：US17989907
申请日：2022-11-18
Applicant: CANON KABUSHIKI KAISHA
Inventor： Osamu Ariizumi , Jun Shirayanagi , Fumiyoshi Saito
IPC: G03G15/01
CPC classification number: G03G15/0173 , G03G2215/0177
Abstract: A developing device includes a rotatable developing member, a developing container, a first communication opening, a second communication opening, a first feeding screw including a first rotation shaft, first and second blade portions, a second feeding screw including a second rotation shaft, third and fourth blade portions, a developer discharge opening provided upstream of an upstream end of the second communication opening in a first direction, and a third communication opening provided upstream of the upstream end of the second communication opening in the first direction. In a second direction opposite to the first direction, the third communication opening overlaps with the second blade portion. In the first direction, the third communication opening overlaps with the fourth blade portion. In the first direction, a downstream end of the third communication opening is positioned downstream of a downstream end of the developer discharge opening.
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公开(公告)号：US20180246437A1
公开(公告)日：2018-08-30
申请号：US15899762
申请日：2018-02-20
Applicant: CANON KABUSHIKI KAISHA
Inventor： Atsushi Matsumoto , Kiyoharu Kakomura , Masahiro Makino
IPC: G03G15/01
CPC classification number: G03G15/0194 , G03G15/0136 , G03G15/0173 , G03G15/0189 , G03G15/161 , G03G15/5016 , G03G15/5041 , G03G21/0011
Abstract: An image forming apparatus includes an intermediary transfer member; a first image forming portion including a first developing device and a detecting portion; a second image forming portion including a second developing device; a contact-and-separation mechanism capable of setting a first state and a second state; and an executing portion capable of executing an operation in a first monochromatic mode in the first state and capable of executing an operation in a second monochromatic mode in the second state. When a toner amount in the first developing device is below a predetermined amount on the basis of the detecting portion during an image forming operation for continuously forming the black image in the operation in the first monochromatic mode, the executing portion continuously executes the image forming operation in the second state.
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公开(公告)号：US09989915B2
公开(公告)日：2018-06-05
申请号：US15384441
申请日：2016-12-20
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hideto Chino
IPC: G03G21/16
CPC classification number: G03G21/1647 , G03G15/0173 , G03G15/0865 , G03G21/1676
Abstract: A developing cartridge mountable to a development rotary of an electrophotographic image forming apparatus, a coupling member for transmitting a rotational force from a main assembly engaging portion to a developing roller, the coupling member being engageable and disengageable relative to the engaging portion with rotation of the rotary, the coupling member being movable among a rotational force transmitting angular position, a pre-engagement angular position in which the coupling member is inclined relative to that in the transmitting angular position to engage with the engaging portion, and a disengaging angular position for disengaging therefrom; and an inclination regulating member movable between a regulating position for positioning the coupling member to the pre-engagement position and a retracted position, the inclination regulating member being movable from the retracted position to the regulating position by being abutted by a function member of the rotary.
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公开(公告)号：US20180017885A1
公开(公告)日：2018-01-18
申请号：US15545919
申请日：2015-03-12
Applicant: HP INDIGO B.V.
Inventor： Vitaly Portnoy , Maya Bar-Sadeh , Michel Assenheimer
CPC classification number: G03G15/0173 , B41J2/2132 , G03G15/0131 , G03G15/10 , G03G15/105 , G03G15/50 , G03G2215/0177 , G03G2215/1623
Abstract: A photo drum may be to receive a color separation. A controller may be to change a location of the color separation on the photo drum from a first location to a second location when a separation location history for the color separation is outside of a threshold range.
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Patent Agency Ranking
公开(公告)号：US09841724B2
公开(公告)日：2017-12-12
申请号：US15496219
申请日：2017-04-25
Applicant: CANON KABUSHIKI KAISHA
Inventor： Masanari Morioka , Shigeo Miyabe , Takahito Ueno
CPC classification number: G03G21/186 , F16D1/10 , F16D1/101 , F16D3/04 , G03G15/0121 , G03G15/0173 , G03G15/08 , G03G15/081 , G03G15/0815 , G03G15/0865 , G03G15/0896 , G03G21/1647 , G03G21/1676 , G03G2215/0177 , G03G2221/1657
Abstract: An image forming apparatus cartridge comprises a guide member, a developing roller having an axis L1, and a coupling member having an axis L2 and at least one projection. A relative positioning of the coupling member and the guide member is changeable between (i) a first relative position in which a tip of the at least one projection is a first distance away from an end of the guide member as measured in the direction of the axis L1 and (ii) a second relative position in which the tip of the at least one projection is a second distance away from the end of the guide member as measured in the direction of the axis L1, with the first distance being greater than the second distance.
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公开(公告)号：US09703257B2
公开(公告)日：2017-07-11
申请号：US14169348
申请日：2014-01-31
Applicant: CANON KABUSHIKI KAISHA
Inventor： Masanari Morioka , Shigeo Miyabe , Takahito Ueno
CPC classification number: G03G21/186 , F16D1/10 , F16D1/101 , F16D3/04 , G03G15/0121 , G03G15/0173 , G03G15/08 , G03G15/081 , G03G15/0815 , G03G15/0865 , G03G15/0896 , G03G21/1647 , G03G21/1676 , G03G2215/0177 , G03G2221/1657
Abstract: An image forming apparatus includes a developing cartridge. The developing cartridge includes a casing, a developer roller, and a coupling member. The coupling member is movable between (i) a first position in which an axis L2 of the coupling member is substantially parallel to and offset from an axis L1 of the developer roller so that the axis L2 does not pass through developer roller, (ii) a second position in which the axis L2 is inclined with respect to the position of the axis L2 when the coupling member is in the first position, (iii) and a third position in which the axis L2 is inclined with respect to the position of the axis L2 when the coupling member is in the first position and in a direction opposite to the direction the coupling member is inclined when in the second position.
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公开(公告)号：US09551957B2
公开(公告)日：2017-01-24
申请号：US14542862
申请日：2014-11-17
Applicant: CANON KABUSHIKI KAISHA
Inventor： Hideto Chino
CPC classification number: G03G21/1647 , G03G15/0173 , G03G15/0865 , G03G21/1676
Abstract: A developing cartridge mountable to a development rotary of an electrophotographic image forming apparatus, a coupling member for transmitting a rotational force from a main assembly engaging portion to a developing roller, the coupling member being engageable and disengageable relative to the engaging portion with rotation of the rotary, the coupling member being movable among a rotational force transmitting angular positio, a pre-engagement angular position in which the coupling member is inclined relative to that in the transmitting angular position to engage with the engaging portion, and a disengaging angular position for disengaging therefrom; and an inclination regulating member movable between a regulating position for positioning the coupling member to the pre-engagement position and a retracted position, the inclination regulating member being movable from the retracted position to the regulating position by being abutted by a function member of the rotary.
Abstract translation: 可安装到电子照相图像形成装置的显影转盘的显影盒，用于将旋转力从主组件接合部分传递到显影辊的联接构件，所述联接构件可相对于接合部分接合和脱离， 所述联接构件可在旋转力传递角位置之间移动，所述联接构件相对于所述传递角位置相对于所述接合部分倾斜的预接合角位置以及用于分离的分离角位置 由此; 以及倾斜限制构件，其可在用于将所述联接构件定位到所述预接合位置的调节位置和缩回位置之间移动，所述倾斜调节构件可通过所述旋转的功能构件抵靠从所述缩回位置到所述调节位置 。
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公开(公告)号：US09229350B2
公开(公告)日：2016-01-05
申请号：US12768193
申请日：2010-04-27
Applicant: Tetsuji Okamoto , Atsuyuki Kitamura , Masahiro Sato , Atsushi Ogihara , Junichi Murakami , Shuichi Nishide
Inventor： Tetsuji Okamoto , Atsuyuki Kitamura , Masahiro Sato , Atsushi Ogihara , Junichi Murakami , Shuichi Nishide
CPC classification number: G03G15/0163 , B65H2405/3321 , B65H2405/3322 , G03G15/0173 , G03G2215/0177
Abstract: An image forming apparatus includes an image carrier; a transferring unit; a fixing unit; a conveying unit; and a sheet shape detecting unit as defined herein, and a discharge position where the sheet is discharged from the conveying path, a feed position where the sheet is fed to the sheet conveying path and a detection position where the shape of the sheet is detected by the sheet shape detecting unit are arranged in this sequence along a sheet conveying direction to be close to one another, immediately downstream in the sheet conveying direction from a fixing position where the toner image is fixed to the sheet.
Abstract translation: 图像形成装置包括图像载体; 转移单元; 固定单元; 输送单元; 以及如本文所定义的片材形状检测单元以及片材从输送路径排出的排出位置，将片材供给到片材输送路径的供给位置和通过以下方式检测片材的形状的检测位置 片材形状检测单元沿着片材输送方向依次沿着片材输送方向彼此靠近，从片材输送方向的下游位于调色剂图像固定在片材上的固定位置。
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10.发明授权公开(公告)号：US09110398B2
公开(公告)日：2015-08-18
申请号：US13713311
申请日：2012-12-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sang Bum Woo
IPC: G03G15/00 , G03G15/043 , G03G15/01
CPC classification number: G03G15/043 , G03G15/0168 , G03G15/0173 , G03G15/161 , G03G15/5054 , G03G2215/0158 , G03G2215/1661
Abstract: A multi pass type color image forming apparatus and control method are provided. The apparatus advances an exposure time point of forming electrostatic latent images of second and subsequent colors more than that of a first color of a page during consecutive printing or reduces the velocity of a motor to rotate an intermediate transfer belt to minimize a color registration error between a developing agent image of the first color and developing agent images of the subsequent colors of the page caused by cleaning of the intermediate transfer belt and a control method thereof.
Abstract translation: 提供了一种多通式彩色图像形成装置和控制方法。 该设备在连续打印期间使得形成第二颜色和随后颜色的静电潜像的曝光时间点比页面的第一颜色的曝光时间点还是降低电动机的速度以旋转中间转印带，以最小化颜色对准误差 通过中间转印带的清洁引起的页面的后续颜色的第一颜色和显影剂图像的显影剂图像及其控制方法。
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