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1.发明授权公开(公告)号：US12032310B2
公开(公告)日：2024-07-09
申请号：US17589644
申请日：2022-01-31
发明人： Yoshiki Matsuzaki , Chihiro Iijima
CPC分类号： G03G15/1605 , G03G15/0142 , G03G15/0178 , G03G15/1615 , G03G15/6529 , G03G15/16 , G03G2215/00016 , G03G2215/00139 , G03G2215/0103 , G03G2215/0119 , G03G2215/0125 , G03G2215/0135 , G03G2215/0141 , G03G2215/0145 , G03G2215/0148
摘要： An image forming apparatus includes an image forming target looped around plural rotators including a driving roller, having at least one straight portion that is shaped straight when viewed in an axial direction of the driving roller, and transported by the driving roller and the rotators, and three or more image formers arranged along the straight portion and configured to form images on the image forming target. An adjacency distance along the straight portion between the image formers adjacent to each other on the straight portion is an integral multiple of an outer peripheral length of the driving roller. The adjacency distance at a downstream end is shorter than the adjacency distance at an upstream end, and one of the adjacency distances is equal to or shorter than the adjacency distance that is relatively on an upstream side.
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公开(公告)号：US20240077832A1
公开(公告)日：2024-03-07
申请号：US18388570
申请日：2023-11-10
CPC分类号： G03G21/1814 , G03G21/1623 , G03G21/1647 , G03G21/1676 , G03G21/1803 , G03G21/1825 , G03G21/1839 , G03G21/1842 , G03G2215/0119 , G03G2221/169 , G03G2221/1861 , G03G2221/1869
摘要： A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit containing the drum, a developing unit containing the roller and being movable so the roller contacts and is spaced from the drum, and a first force receiver receiving a force from a main-assembly first force applier by movement of a door from open to closed positions when mounting the cartridge and a second force receiver movable from a stand-by position by movement of the first force receiver by a force received from the first force applier. The second force receiver takes a projected position receiving a force from the second force applier to move the developing unit so the roller moves out of contact with the drum, the projected position being higher than the stand-by position.
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公开(公告)号：US11841673B2
公开(公告)日：2023-12-12
申请号：US18079093
申请日：2022-12-12
CPC分类号： G03G21/1814 , G03G21/1623 , G03G21/1647 , G03G21/1676 , G03G21/1803 , G03G21/1825 , G03G21/1839 , G03G21/1842 , G03G2215/0119 , G03G2221/169 , G03G2221/1861 , G03G2221/1869
摘要： A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit containing the drum, a developing unit containing the roller and being movable so the roller contacts and is spaced from the drum, and a first force receiver receiving a force from a main-assembly first force applier by movement of a door from open to closed positions when mounting the cartridge and a second force receiver movable from a stand-by position by movement of the first force receiver by a force received from the first force applier. The second force receiver takes a projected position receiving a force from the second force applier to move the developing unit so the roller moves out of contact with the drum, the projected position being higher than the stand-by position.
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公开(公告)号：US11754952B2
公开(公告)日：2023-09-12
申请号：US16856245
申请日：2020-04-23
发明人： Takumi Nishikata , Yuzo Fujita , Eiichi Waida
CPC分类号： G03G15/50 , G03G15/238 , G03G15/6529 , G03G21/14 , G06F3/1278 , G03G15/0189 , G03G2215/00021 , G03G2215/0119
摘要： An image forming apparatus includes a first and second processor. The first processor controls a transport device that transports a sheet and a first image forming section that forms an image on the sheet. The second processor controls a second image forming section that forms an image on the sheet. If an image is to be formed at the second section, the first processor causes the first section to perform image formation preparation and causes the device to transport the sheet upon receiving a notification from the second processor in response to a preparation command transmitted to the second processor for performing image formation preparation in the second section. If an image is not to be formed at the second section, the first processor causes the first section to perform the image formation preparation and the transport device to transport the sheet, without receiving the notification from the second processor.
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公开(公告)号：US11747751B2
公开(公告)日：2023-09-05
申请号：US17585048
申请日：2022-01-26
发明人： Yoshiki Matsuzaki , Chihiro Iijima
CPC分类号： G03G15/1615 , G03G15/0142 , G03G15/0178 , G03G2215/00016 , G03G2215/00139 , G03G2215/0103 , G03G2215/0119 , G03G2215/0125 , G03G2215/0135 , G03G2215/0141 , G03G2215/0145 , G03G2215/0148
摘要： An image forming apparatus includes a formation target that is wound around rotating bodies including a driving roller and transported by the rotating bodies including the driving roller while forming a shape having linear portions each of which forms a different angle, which is an acute angle or an angle of zero degrees, with a horizontal direction when viewed in an axial direction of the driving roller, first image forming bodies that are arranged along one of the linear portions in such a manner as to be spaced apart from each other by a first distance and that form images onto the formation target, and second image forming bodies that are arranged along another one of the linear portions, the other linear portion forming the angle larger than the angle formed by the one linear portion, in such a manner as to be spaced apart from each other by a second distance shorter than the first distance and that form images onto the formation target.
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公开(公告)号：US20180259899A1
公开(公告)日：2018-09-13
申请号：US15973874
申请日：2018-05-08
IPC分类号： G03G21/18
CPC分类号： G03G21/1814 , G03G21/1623 , G03G21/1647 , G03G21/1676 , G03G21/1803 , G03G21/1825 , G03G21/1839 , G03G21/1842 , G03G2215/0119 , G03G2221/169 , G03G2221/1861 , G03G2221/1869
摘要： A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit containing the drum, a developing unit containing the roller and being movable so the roller contacts and is spaced from the drum, and a first force receiver receiving a force from a main-assembly first force applier by movement of a door from open to closed positions when mounting the cartridge and a second force receiver movable from a stand-by position by movement of the first force receiver by a force received from the first force applier. The second force receiver takes a projected position receiving a force from the second force applier to move the developing unit so the roller moves out of contact with the drum, the projected position being higher than the stand-by position.
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公开(公告)号：US20180259896A1
公开(公告)日：2018-09-13
申请号：US15977298
申请日：2018-05-11
申请人： Narumi SUGITA , Masahiro ISHIDA
发明人： Narumi SUGITA , Masahiro ISHIDA
CPC分类号： G03G15/757 , F16H57/0006 , F16H57/12 , F16H2057/123 , G03G15/0178 , G03G15/5008 , G03G21/1647 , G03G21/1857 , G03G2215/0119 , G03G2221/1657 , Y10T74/19623
摘要： Example embodiments include a driving device having: a plurality of vibrating members that may vibrate when the vibrating members are driven; and a holding part that may hold the vibrating members. The holding part may include a first member with which one or more of the vibrating members may be brought into contact, and a second member with which one or more of the vibrating members may be brought into contact. The first member and the second member may be partially coupled to each other. A grounding member for electrically grounding a member held by the holding part may be brought into contact with one of the first member and the second member that is more difficult to vibrate.
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公开(公告)号：US09904215B2
公开(公告)日：2018-02-27
申请号：US15138836
申请日：2016-04-26
申请人： Naoki Matsuda , Masahiro Ishida , Jun Yasuda , Shinya Shimizu
发明人： Naoki Matsuda , Masahiro Ishida , Jun Yasuda , Shinya Shimizu
CPC分类号： G03G15/1615 , F16F15/02 , G03G15/0178 , G03G15/5008 , G03G15/757 , G03G21/1647 , G03G2215/0119 , G03G2221/1657
摘要： A drive system includes multiple vibrating members that tend to vibrate when these members are driven and a holding system to hold the multiple vibrating members. The holding system at least includes a first holding unit and a second holding unit superimposed on and partially connected to each other. The multiple vibrating members include a first vibrating member and a second vibrating member. The first vibrating member is held by the first holding unit and is not held by the second holding unit. The second vibrating member is held by the second holding unit and is not held by the first holding unit. At least one of the first vibrating member and the second vibrating member is a driving device to drive another member as a drive source.
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公开(公告)号：US20180039227A1
公开(公告)日：2018-02-08
申请号：US15786958
申请日：2017-10-18
IPC分类号： G03G21/18
CPC分类号： G03G21/1814 , G03G21/1623 , G03G21/1647 , G03G21/1676 , G03G21/1803 , G03G21/1825 , G03G21/1839 , G03G21/1842 , G03G2215/0119 , G03G2221/169 , G03G2221/1861 , G03G2221/1869
摘要： A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing roller, a drum unit containing the drum, a developing unit containing the roller and being movable so the roller contacts and is spaced from the drum, and a first force receiver receiving a force from a main-assembly first force applier by movement of a door from open to closed positions when mounting the cartridge and a second force receiver movable from a stand-by position by movement of the first force receiver by a force received from the first force applier. The second force receiver takes a projected position receiving a force from the second force applier to move the developing unit so the roller moves out of contact with the drum, the projected position being higher than the stand-by position.
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公开(公告)号：US09606479B2
公开(公告)日：2017-03-28
申请号：US15046747
申请日：2016-02-18
发明人： Norio Kouzu
CPC分类号： G03G15/1665 , G03G15/1605 , G03G15/161 , G03G15/1675 , G03G21/16 , G03G21/1652 , G03G21/168 , G03G2215/0119 , G03G2221/1642 , H01R39/00
摘要： In accordance with one embodiment, an image forming apparatus includes an image forming section and a transfer roller. A support body supports the image carrier in a main body opposite to the transfer roller. A holding member positioned in the support body holds the transfer roller. The holding member includes at least one groove in a portion of the holding member that holds the transfer roller. At least one conductive member is positioned in, and protruding from, the at least one groove so that a part of the conductive member makes electrical contact with the transfer roller when the transfer roller is held in the holding member. A power supply section applies transfer bias between the image carrier and the transfer roller through the conductive member.
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