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1. 发明申请

US20190196395A1 Image Forming Apparatus 审中-公开
公开(公告)号：US20190196395A1
公开(公告)日：2019-06-27
申请号：US16140832
申请日：2018-09-25
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Yohei Hashimoto , Hikaru Iino , Masato Makino
IPC分类号： G03G21/18
摘要： A drawer unit moves in a moving direction between an internal position inside the main housing and an external position outside the main housing. The drawer unit includes a drawer frame, a first exposure head, and a second contact member. The first exposure head moves between a first adjacent position at which the first exposure head is adjacent to the first photosensitive drum and a first spaced position at which the first exposure head is farther spaced away from the first photosensitive drum than at the first adjacent position. The second contact member is a part of the drawer unit other than the first exposure head. The first exposure head moves from the first adjacent position to the first spaced position due to a contact between the first contact member and the second contact member when the drawer unit moves from the internal position to the external position.

2. 发明授权

US11320778B2 Image forming apparatus having cover with maneuver lever for actuating locking members 有权
公开(公告)号：US11320778B2
公开(公告)日：2022-05-03
申请号：US17170270
申请日：2021-02-08
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Masao Ichiyanagi , Hikaru Iino
IPC分类号： G03G21/00 , G03G21/16
摘要： An image forming apparatus includes a housing, a cover, a maneuver lever, a first locking member, and a second locking member. The cover is attached to the housing and is rotatable about a rotation axis. The maneuver lever is attached to the cover and extends parallel to the rotation axis. The first and second locking members are attached to the cover and are configured to engage with the maneuver lever. The first locking member is rotatable about a first axis perpendicular to the rotation axis between a locked position and an unlocked position. The second locking member is rotatable about a second axis parallel to the first axis between a locked position and an unlocked position. When the maneuver lever moves from the closed position to the open position, each of the first locking member and the second locking member rotates from the locked position to the unlocked position.

3. 发明授权

US09280110B2 Image formation apparatus 有权
公开(公告)号：US09280110B2
公开(公告)日：2016-03-08
申请号：US14585496
申请日：2014-12-30
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Hikaru Iino
IPC分类号： G03G15/00 , G03G21/00 , B65H85/00 , G03G15/23 , G03G21/16
CPC分类号： G03G15/234 , G03G15/6529 , G03G21/1619 , G03G2215/0043 , G03G2215/00675 , G03G2215/00679
摘要： An image formation apparatus has a body having a pair of frames, and an image formation unit configured to form an image on a sheet, and a re-feeding path which is used when the sheet, on one surface of which an image has been formed by the image formation unit, is fed again to the image formation unit. The re-feeding path includes a first path vertically extending from a downstream side, in a sheet feed direction, of the image formation unit, a second path extending horizontally, and a curved portion connecting the first path and the second path. The pair of frames are connected with a metal plate which is formed and arranged to extend along the curved portion.

4. 发明申请

US20150069698A1 Image Forming Apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US20150069698A1
公开(公告)日：2015-03-12
申请号：US14476783
申请日：2014-09-04
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Akihito Sugiura , Hikaru Iino
IPC分类号： B41J13/10 , B65H15/00 , B65H85/00 , B65H5/26 , B65H29/58 , B65H1/08 , B65H9/00
CPC分类号： B65H85/00 , B41J3/60 , B41J13/0045 , B65H1/266 , B65H5/38 , B65H2301/33312 , B65H2402/10 , B65H2402/46 , B65H2404/63
摘要： An image forming apparatus includes an image forming unit configured to form an image on a sheet, and a re-feeding mechanism configured to re-feed the sheet to the image forming unit. The re-feeding mechanism includes a fixed guide configured to guide the sheet fed in a sheet feed direction and having a guide surface partially defining re-feeding path through which the sheet passes, a base guide disposed downstream of the fixed guide, and a movable guide having a guide surface and configured to guide the sheet guided by the fixed guide and to move toward and away from the base guide. The fixed guide includes an engaging portion and the movable guide includes an engaging portion. The guide surface of the movable guide is positioned relative to the guide surface of the fixed guide when the engaging portion of the movable guide engages the engaging portion of the fixed guide.
摘要翻译：图像形成装置包括被配置为在片材上形成图像的图像形成单元和被配置为将片材重新馈送到图像形成单元的再馈送机构。重新进给机构包括：固定引导件，其构造成引导在片材进给方向上进给的片材，并且具有部分地限定片材通过的再馈送路径的引导表面;布置在固定引导件下游的基部引导件，引导件具有引导表面并且被构造成引导由固定引导件引导的片材并且朝向和远离基部引导件移动。固定引导件包括接合部分，并且可动引导件包括接合部分。当可动引导件的接合部分接合固定引导件的接合部分时，可移动引导件的引导表面相对于固定引导件的引导表面定位。

5. 发明授权

US10539922B2 Image forming apparatus including drawer 有权
公开(公告)号：US10539922B2
公开(公告)日：2020-01-21
申请号：US16140832
申请日：2018-09-25
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Yohei Hashimoto , Hikaru Iino , Masato Makino
IPC分类号： G03G15/00 , G03G21/18
摘要： A drawer unit moves in a moving direction between an internal position inside the main housing and an external position outside the main housing. The drawer unit includes a drawer frame, a first exposure head, and a second contact member. The first exposure head moves between a first adjacent position at which the first exposure head is adjacent to the first photosensitive drum and a first spaced position at which the first exposure head is farther spaced away from the first photosensitive drum than at the first adjacent position. The second contact member is a part of the drawer unit other than the first exposure head. The first exposure head moves from the first adjacent position to the first spaced position due to a contact between the first contact member and the second contact member when the drawer unit moves from the internal position to the external position.

6. 发明授权

US09323210B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09323210B2
公开(公告)日：2016-04-26
申请号：US14553051
申请日：2014-11-25
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Tetsuya Morita , Hikaru Iino
IPC分类号： G03G15/00 , G03G21/16 , G03G21/18
CPC分类号： G03G21/1619 , G03G21/1633 , G03G21/1647 , G03G21/1842 , G03G2215/00383 , G03G2215/00392
摘要： An image forming apparatus includes a casing including a first side frame, a second side frame, and an opening, a cartridge configured to be attached to and removed from the casing through the opening, and an openable member configured to open and close the opening. A first side and a second side of the cartridge are supported by the first side frame and the second side frame, respectively, when the cartridge is attached to the casing. A part of the cartridge attached to the casing protrudes in a removal direction of the cartridge relative to an end of each of the first side frame and the second side frame in the removal direction. The openable member includes a wall portion. When the openable member closes the opening, the wall portion of the openable member is spaced apart in the removal direction from the part of the cartridge attached to the casing.
摘要翻译：图像形成装置包括：壳体，包括第一侧框架，第二侧框架和开口;盒，其构造成通过开口附接到壳体并从壳体移除;以及打开和关闭开口的可打开构件。当盒被附接到壳体时，盒的第一侧和第二侧分别由第一侧框架和第二侧框架支撑。附接到壳体的盒的一部分沿着取出方向相对于第一侧框架和第二侧框架中的每一个的端部在盒的移除方向上突出。可打开构件包括壁部。当可打开构件关闭开口时，可打开构件的壁部分在拆卸方向上与附接到壳体的盒的部分间隔开。

7. 发明授权

US09302884B2 Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：US09302884B2
公开(公告)日：2016-04-05
申请号：US14476783
申请日：2014-09-04
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Akihito Sugiura , Hikaru Iino
IPC分类号： B65H29/00 , B65H85/00 , B41J3/60 , B41J13/00 , B65H1/26 , B65H5/38
CPC分类号： B65H85/00 , B41J3/60 , B41J13/0045 , B65H1/266 , B65H5/38 , B65H2301/33312 , B65H2402/10 , B65H2402/46 , B65H2404/63
摘要： An image forming apparatus includes an image forming unit configured to form an image on a sheet, and a re-feeding mechanism configured to re-feed the sheet to the image forming unit. The re-feeding mechanism includes a fixed guide configured to guide the sheet fed in a sheet feed direction and having a guide surface partially defining re-feeding path through which the sheet passes, a base guide disposed downstream of the fixed guide, and a movable guide having a guide surface and configured to guide the sheet guided by the fixed guide and to move toward and away from the base guide. The fixed guide includes an engaging portion and the movable guide includes an engaging portion. The guide surface of the movable guide is positioned relative to the guide surface of the fixed guide when the engaging portion of the movable guide engages the engaging portion of the fixed guide.
摘要翻译：图像形成装置包括被配置为在片材上形成图像的图像形成单元和被配置为将片材重新馈送到图像形成单元的再馈送机构。重新进给机构包括：固定引导件，其构造成引导在片材进给方向上进给的片材，并且具有部分地限定片材通过的再馈送路径的引导表面;布置在固定引导件下游的基部引导件，引导件具有引导表面并且被构造成引导由固定引导件引导的片材并且朝向和远离基部引导件移动。固定引导件包括接合部分，并且可动引导件包括接合部分。当可动引导件的接合部分接合固定引导件的接合部分时，可移动引导件的引导表面相对于固定引导件的引导表面定位。

8. 发明授权

US11333993B2 Image forming apparatus having exposure head configured to expose a photoconductor drum 有权
公开(公告)号：US11333993B2
公开(公告)日：2022-05-17
申请号：US17210096
申请日：2021-03-23
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Junichi Hiraoka , Hikaru Iino , Junichi Yokoi
IPC分类号： G03G15/04 , G03G21/16
摘要： An image forming apparatus is disclosed which includes a housing, one or more drum cartridges, and one or more exposure heads. Each of the one or more drum cartridges includes a photoconductor drum and is installable in the housing. Each of the one or more exposure heads is configured to expose a corresponding photoconductor drum to light, and to be movable between an exposure position fit to expose the corresponding photoconductor drum to light and a retreated position away from the corresponding photoconductor drum. The housing has a groove through which to guide installation of the drum cartridge and in which to cause an exposure head in a corresponding exposure position to be located in place in a sub scanning direction.

9. 发明授权

US11586141B2 Image forming apparatus including guide rails configured to guide process cartridge 有权
公开(公告)号：US11586141B2
公开(公告)日：2023-02-21
申请号：US17541740
申请日：2021-12-03
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Hikaru Iino
IPC分类号： G03G21/18 , G03G21/16
摘要： A cartridge frame includes a protruding rib protruding toward a first frame, a first bearing supporting one end of a photosensitive drum in an axial direction, and a second bearing supporting an other end of the photosensitive drum in the axial direction. The first frame includes a first guide rail configured to, when a process cartridge is attached to an apparatus main body, guide the protruding rib to slide along the first guide rail. A second frame includes a second guide rail configured to, when the process cartridge is attached to the apparatus main body, guide the second bearing to slide along the second guide rail. A size of the first guide rail in a width direction perpendicular to both the axial direction and an attachment direction of the process cartridge is smaller than a size of the second guide rail in the width direction.

10. 发明授权

US11561502B2 Image forming apparatus including support frame with ground plate and contact spring 有权
公开(公告)号：US11561502B2
公开(公告)日：2023-01-24
申请号：US17398108
申请日：2021-08-10
申请人： BROTHER KOGYO KABUSHIKI KAISHA
发明人： Kazuaki Ooka , Hikaru Iino
IPC分类号： G03G21/16 , G03G21/18
摘要： An image forming apparatus includes: a process cartridge; and an apparatus main body to which the process cartridge is attachable and from which the process cartridge is detachable. The process cartridge includes: a photoconductive drum, and an electrode connected to the photoconductive drum and having a contact surface facing downward. The apparatus main body includes: a support frame supporting one end portion of the process cartridge in an axis direction of the photoconductive drum, a ground metal plate supported by the support frame and connected to ground, and a spring supported by the support frame and configured to contact with the contact surface of the electrode from below to connect the electrode and the ground metal plate.

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