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公开(公告)号：US11940756B2
公开(公告)日：2024-03-26
申请号：US18071729
申请日：2022-11-30
发明人： Kazuo Chadani , Tomonori Mori , Koji Hashimoto
CPC分类号： G03G21/1821 , G03G21/1609 , G03G21/1839 , G03G21/186 , G03G2221/1657 , G03G2221/1853 , G03G2221/1884
摘要： A process cartridge comprises a photosensitive drum and a developing roller. A coupling member is provided adjacent to one axial end of the developing roller. The coupling member includes a driven portion, and an intermediary portion configured and positioned to engage with the driven portion. The intermediary portion is also configured to be movable relative to the driven portion in a direction crossing the axis of the developing roller while maintaining engagement with the driven portion. The coupling member further includes a driving portion configured and positioned to receive a driving force for rotating the developing roller. The driving portion is also configured to engage with the intermediary portion, and to be movable relative to the intermediary portion in a direction crossing the axis of the developing roller while maintaining engagement with the intermediary portion.
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公开(公告)号：US11829095B2
公开(公告)日：2023-11-28
申请号：US18057029
申请日：2022-11-18
发明人： Yu Shuhama
CPC分类号： G03G21/1609 , G03G15/0867 , G03G21/1666 , G03G21/1652 , G03G2215/0673 , G03G2221/1636
摘要： An image forming apparatus, to which a supply container storing a developer is detachably attachable and which forms an image on a recording material, includes a photosensitive member that rotates, an optical box, a developer bearing member, and a developer container including a supply port for receiving the developer to be supplied from the supply container. The optical box irradiates the photosensitive member with light and forms an electrostatic latent image on the photosensitive member. The developer bearing member bears the developer and develops the electrostatic latent image by supplying the developer to the photosensitive member. The developer container stores the developer to be borne by the developer bearing member. When viewed in a rotation axial direction of the photosensitive member, a region where the optical box is located and at least a part of a region where the supply port is located overlap each other in a horizontal direction.
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公开(公告)号：US10054897B2
公开(公告)日：2018-08-21
申请号：US15543529
申请日：2016-03-30
CPC分类号： G03G21/1609 , G03G15/5016 , G03G15/6541 , G03G15/6582 , G03G21/1619 , G03G21/1633 , G03G21/1695 , G03G2221/1675 , G03G2221/1684
摘要： The image reading unit (2) reads an image from a document. The image forming unit (3) is located below the image reading unit (2) and forms an image on a sheet. The operation unit (5) is rotatably supported at a position forward of the image reading unit (2) and receives user's operation. The post-process unit (7) is provided between the image reading unit (2) and the image forming unit (3), and has, at a position interfering with the rotation range of the operation unit (5), a retracted portion (772) retracted rearward in the post-process unit (7). The post-process unit (7) performs a post-process on a sheet on which an image has been formed by the image forming unit (3).
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4.发明申请公开(公告)号：US20180081320A1
公开(公告)日：2018-03-22
申请号：US15273664
申请日：2016-09-22
发明人： Yuichi SAITO
IPC分类号： G03G15/00
CPC分类号： G03G21/18 , G03G15/70 , G03G21/1609 , G03G21/1619 , G03G21/1638 , G03G2215/00544 , G03G2221/1684
摘要： An image forming apparatus has an internal discharge space for a sheet, that is located along a vertical axis between an image reading unit and an image forming unit, and first and second guides are installed in the internal discharge space. The first guide is configured to guide a post-processing unit from a first position within the internal discharge space, at which the post-processing unit receives a sheet discharged to the internal discharge space, to a second position within the sheet discharge space, which is downstream of the first position in a sheet discharging direction. The second guide is configured to guide the post-processing unit from the second position in a direction that crosses the guiding direction of the first guide. A moving distance of the post-processing unit from the first position to the second position is shorter than a total length of the post-processing unit in the guiding direction of the first guide.
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公开(公告)号：US09880516B2
公开(公告)日：2018-01-30
申请号：US14142034
申请日：2013-12-27
发明人： Hwan Jin Yoon , Jeong Jae Seong , Wan Ho Lee , Jeong Won Hwang
CPC分类号： G03G21/1676 , G03G21/16 , G03G21/1604 , G03G21/1609 , G03G21/1619 , G03G21/18 , G03G21/1839 , G03G21/1842 , G03G21/185 , G03G2221/1684 , G03G2221/18 , G03G2221/1884
摘要： An image forming apparatus has an improved structure which avoids additional expenses associated with packing a developing unit and allows the developing unit to be stably stored. The image forming apparatus may include a body, a first developing unit accommodating portion and a second developing unit accommodating portion disposed at different positions in the body, and a developing unit which is allowed to be detachably accommodated in the first developing unit accommodating portion and the second developing unit accommodating portion. When accommodated in the first developing unit accommodating portion, the developing unit may be disposed such that it does not perform image formation. When accommodated in the second developing unit accommodating portion, the developing unit may be disposed to perform image formation.
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公开(公告)号：US20180004145A1
公开(公告)日：2018-01-04
申请号：US15651144
申请日：2017-07-17
发明人： Shougo Sato , Masahito Saeki
CPC分类号： G03G15/6552 , B65H1/04 , B65H5/06 , B65H29/12 , B65H29/125 , B65H29/14 , B65H31/02 , B65H2301/3122 , B65H2301/4212 , B65H2402/31 , B65H2402/46 , B65H2404/1421 , B65H2405/1117 , B65H2405/114 , B65H2405/115 , B65H2601/11 , B65H2801/06 , G03G15/6529 , G03G21/1609
摘要： An image forming apparatus includes a photosensitive drum, a light exposure device, a developing device, a fixing unit disposed opposite to the light exposure device relative to the developing device, a sheet supply tray disposed below the developing device, an ejection tray disposed above the developing device and having a sheet receiving surface inclined downward, relative to a horizontal direction, toward the charger, and a sheet conveying path through which a sheet is conveyed from the sheet supply tray to the ejection tray. A lowest end portion of the sheet receiving surface is disposed below an upper end of the charger in the vertical direction. The charger is disposed opposite to the developing device relative to the lowest end portion of the sheet receiving surface.
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7.发明授权公开(公告)号：US09746806B2
公开(公告)日：2017-08-29
申请号：US14093659
申请日：2013-12-02
发明人： Shougo Sato , Shigeharu Katayama , Mitsuko Hanai
CPC分类号： G03G15/6502 , G03G21/1609 , G03G21/1685 , G03G21/20 , G03G2221/1639 , G03G2221/1678
摘要： An image forming apparatus includes a recording sheet storage unit for storing recording sheets substantially in an upright position, an image forming unit which forms an image on a recording sheet conveyed from the recording sheet storage unit, and a recording sheet receiving unit for storing the recording sheet conveyed from the image forming unit substantially in an upright position. In this image forming apparatus, a paper conveyance passage for conveying the recording sheet extends upward from a lower portion of the recording sheet storage unit toward the recording sheet receiving unit. The image forming unit positioned on the paper conveyance passage comprises a fixing device and a developer unit at least including a developer carrier, and the fixing device is arranged above the developer unit.
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公开(公告)号：US20170176925A1
公开(公告)日：2017-06-22
申请号：US15381200
申请日：2016-12-16
发明人： Yuichi Sakakibara
IPC分类号： G03G15/04
CPC分类号： G03G21/1676 , G03G21/1609 , G03G21/1821 , G03G21/1853 , G03G2221/163 , G03G2221/1684 , G03G2221/1869
摘要： An image forming apparatus includes a main assembly; a rotatable photosensitive member; and a cartridge detachably mounted in the main assembly, the cartridge including a rotatable developer carrying sleeve for carrying a developer to be supplied to the photosensitive member and a developer accommodating portion for accommodating the developer to be supplied to the sleeve, wherein with respect to a mounting direction of the cartridge, the developer accommodating portion is disposed downstream of a rotation axis of the sleeve, and a developing portion where a surface of the sleeve is in contact with or closest to the photosensitive member is disposed downstream of the rotation axis of the sleeve or at the same position as the rotation axis of the sleeve.
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公开(公告)号：US20170160692A1
公开(公告)日：2017-06-08
申请号：US15433212
申请日：2017-02-15
发明人： Shougo Sato , Masahito Saeki
CPC分类号： G03G15/6552 , B65H1/04 , B65H5/06 , B65H29/12 , B65H29/125 , B65H29/14 , B65H31/02 , B65H2301/3122 , B65H2301/4212 , B65H2402/31 , B65H2402/46 , B65H2404/1421 , B65H2405/1117 , B65H2405/114 , B65H2405/115 , B65H2601/11 , B65H2801/06 , G03G15/6529 , G03G21/1609
摘要： An image forming apparatus includes a photosensitive drum, a light exposure device, a developing device, a fixing unit disposed opposite to the light exposure device relative to the developing device, a sheet supply tray disposed below the developing device, an ejection tray disposed above the developing device and having a sheet receiving surface inclined downward, relative to a horizontal direction, toward the charger, and a sheet conveying path through which a sheet is conveyed from the sheet supply tray to the ejection tray. A lowest end portion of the sheet receiving surface is disposed below an upper end of the charger in the vertical direction. The charger is disposed opposite to the developing device relative to the lowest end portion of the sheet receiving surface.
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公开(公告)号：US20170108818A1
公开(公告)日：2017-04-20
申请号：US15290044
申请日：2016-10-11
发明人： Susumu HASHIMOTO
IPC分类号： G03G15/00
CPC分类号： G03G21/1619 , G03G21/1609 , G03G21/1642 , G03G21/1647
摘要： An image forming unit and a paper feed unit on which the image forming unit is stacked is provided. The image forming unit or the paper feed unit includes a connecting fixing member including a connection portion with which the units are connected to and fixed to each other. The connecting fixing member is rotatably provided to one device which is one of the image forming unit and the paper feed unit. The connection portion rotates to an engagement position of the other device, when the connecting fixing member comes into contact with the other device which is the other one of the image forming unit and the paper feed unit.
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