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1.发明公开公开(公告)号：US20240345538A1
公开(公告)日：2024-10-17
申请号：US18754929
申请日：2024-06-26
发明人： Koji ABE , Naoya KAMIMURA
IPC分类号： G03G21/18
CPC分类号： G03G21/1885 , G03G21/1867 , G03G21/1878 , G03G2221/1823
摘要： A drum cartridge includes: a drum frame to which a developing cartridge is attachable; a photosensitive drum; and a first storage medium. The drum frame has one end portion and another end portion spaced apart from the one end portion in a first direction. The photosensitive drum is rotatable about a first axis extending in a second direction and is positioned at the one end portion of the drum cartridge. The first storage medium includes a first electrical contact surface. The first storage medium is positioned at an outer surface of the drum frame, the outer surface being exposed in a state where the developing cartridge is attached to the drum frame.
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公开(公告)号：US12085891B2
公开(公告)日：2024-09-10
申请号：US18316583
申请日：2023-05-12
发明人： Koji Abe , Naoya Kamimura
CPC分类号： G03G21/1885 , G03G21/1867 , G03G21/1878 , G03G2221/1823
摘要： A process cartridge includes a drum cartridge that has a drum frame having a a second end portion spaced apart from a first end portion in a first direction and a fourth end portion spaced apart from a third end portion in a second direction, a photosensitive drum rotatable about a first axis extending in the second direction and positioned at the first end portion of the drum frame, and a first storage medium that includes a first electrical contact surface. A developing cartridge is detachably attachable to the drum frame and has a developing roller that is rotatable about a second axis extending in the second direction and a second storage medium including a second electrical contact surface. The first electrical contact surface is positioned closer to the second end portion of the drum frame than the photosensitive drum is to the second end portion of the drum frame in the first direction, and in a state where the developing cartridge is attached to the drum cartridge, the second electrical contact surface is positioned closer to the second end portion of the drum frame than the photosensitive drum is to the second end portion of the drum frame in the first direction.
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公开(公告)号：US20240264563A1
公开(公告)日：2024-08-08
申请号：US18640847
申请日：2024-04-19
发明人： Keita SHIMIZU , Haruka KIZU
CPC分类号： G03G21/1885 , G03G15/0863 , G03G21/1647 , G03G21/1875 , G03G21/1878 , G03G15/0813 , G03G15/0818
摘要： A developing cartridge includes a housing, a storage medium having an electrical contact surface, a holder holding the electrical contact surface and movable with respect to the housing between a first position and a second position, and a roller including a first roller protrusion. The first roller protrusion is movable between a third position and a fourth position in accordance with rotation of the roller. The holder is movable in accordance with movement of the first roller protrusion. As the first roller protrusion moves from the third position to the fourth position, the holder moves from the first position to the second position.
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公开(公告)号：US20240103431A1
公开(公告)日：2024-03-28
申请号：US18535203
申请日：2023-12-11
IPC分类号： G03G21/18
CPC分类号： G03G21/1878 , G03G21/1814 , G03G21/1867
摘要： A process cartridge includes: a drum cartridge; a developing cartridge; and a plate. The drum cartridge includes: a drum frame; a photosensitive drum; a first holder; and a first memory having a first electrical contact surface that is movably supported by the first holder. The developing cartridge is attachable to the drum frame. The developing cartridge includes: a casing; a developing roller; a second holder; and a second memory having a second electrical contact surface that is movably supported by the second holder. The plate connects the first holder and the second holder to each other in a state where the developing cartridge is attached to the drum frame. The second holder moves together with the plate in accordance with movement of the first holder in a state where the plate connects the first holder and the second holder to each other.
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公开(公告)号：US20240085851A1
公开(公告)日：2024-03-14
申请号：US18510497
申请日：2023-11-15
发明人： Daisuke Abe , Koji Wada
CPC分类号： G03G21/1878 , G03G21/1633 , G03G21/1814 , G03G21/1652 , G03G21/1867 , G03G2221/169 , G03G2221/1869
摘要： An image forming apparatus includes an apparatus body including a main contact, and a main guide, and a cartridge including a memory contact, a moving unit moving into and out of the apparatus body in a first direction and including a frame to which the cartridge is attached, first and second protrusions protruding in a second direction orthogonal to the first direction from the end surface of the frame, an intermediate contact being in electrical contact with the memory contact, an unit contact being in electrical contact with the main contact, and a line conductor, the first protrusion being supported by the main guide of the apparatus body, the second protrusion being located above the first protrusion. At least part of the line conductor connecting the intermediate contact and the unit contact is located in a recess formed by the first protrusion, the second protrusion, and the end surface.
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公开(公告)号：US11927913B2
公开(公告)日：2024-03-12
申请号：US17554157
申请日：2021-12-17
IPC分类号： G03G21/18
CPC分类号： G03G21/1878 , G03G21/1814 , G03G2221/1823
摘要： A cartridge unit includes: a first unit which includes a first supporting portion and a second supporting portion; and a second unit which includes a first supported portion, a second supported portion, and a storage member, the storage member including a memory contact, and a contact arrangement surface on which the memory contact is disposed. The second unit rotates from a first position to a second position in a state in which the first supported portion is supported by the first supporting portion and the second supported portion is supported by the second supporting portion to be positioned with respect to the first unit. A normal direction of the contact arrangement surface faces toward a direction in which the memory contact is exposed. The normal direction faces toward a direction opposite to a direction in which the second unit is directed from the first position to the second position.
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公开(公告)号：US11899388B2
公开(公告)日：2024-02-13
申请号：US17748376
申请日：2022-05-19
发明人： Kazuma Hinoue , Shintaro Suzuki , Sota Hirano
CPC分类号： G03G15/556 , G03G15/0863 , G03G15/0877 , G03G21/1878 , G03G2215/0697 , G03G2221/1823 , G06K15/4075
摘要： An image forming apparatus includes a main body, a development cartridge, a toner cartridge, and a controller. The development cartridge includes a development roller, a development chamber, and a development memory. The toner cartridge includes a case in which toner is stored, a toner supply unit configured to supply toner from the case into the development chamber, and a toner memory. The controller stores, in the development memory, information regarding a cumulative received toner amount and a cumulative toner consumption amount. The controller subtracts the cumulative toner consumption amount from the cumulative received toner amount to find a difference, and causes the toner supply unit to supply a first predetermined amount of toner into the development chamber when the difference is equal to or smaller than a first threshold value. The controller stores, in the toner memory, information regarding the cumulative supplied toner amount.
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公开(公告)号：US11841674B2
公开(公告)日：2023-12-12
申请号：US18045706
申请日：2022-10-11
发明人： Daisuke Abe , Koji Wada
CPC分类号： G03G21/1878 , G03G21/1633 , G03G21/1814 , G03G21/1652 , G03G21/1867 , G03G2221/169 , G03G2221/1869
摘要： An image forming apparatus includes an apparatus body including a main contact, and a main guide, and a cartridge including a memory contact, a moving unit moving into and out of the apparatus body in a first direction and including a frame to which the cartridge is attached, first and second protrusions protruding in a second direction orthogonal to the first direction from the end surface of the frame, an intermediate contact being in electrical contact with the memory contact, an unit contact being in electrical contact with the main contact, and a line conductor, the first protrusion being supported by the main guide of the apparatus body, the second protrusion being located above the first protrusion. At least part of the line conductor connecting the intermediate contact and the unit contact is located in a recess formed by the first protrusion, the second protrusion, and the end surface.
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公开(公告)号：US11829099B2
公开(公告)日：2023-11-28
申请号：US17099999
申请日：2020-11-17
发明人： Tomoyasu Yabuki , Takashi Suzuki , Tadao Kyotani
CPC分类号： G03G21/1814 , G03G15/2032 , G03G15/2042 , G03G15/2053 , G03G21/1652 , G03G21/1878
摘要： A drum cartridge includes a frame on which a toner cartridge is attachable, a photosensitive drum, and a drum memory. The drum cartridge relays information stored in the toner memory to the image forming apparatus when the toner cartridge is attached to the frame.
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公开(公告)号：US11762332B2
公开(公告)日：2023-09-19
申请号：US17571676
申请日：2022-01-10
发明人： Toshinori Araki , Tatsuro Yokoi , Seiya Sato , Shinta Sugiura , Koji Akagi , Masaaki Wakizaka , Keita Inoue , Osamu Takahashi
CPC分类号： G03G21/1878 , G03G15/5004
摘要： An image forming apparatus includes a main body, a drum cartridge removably attached to the main body, and a belt unit removably attached to the main body. The main body includes a drum power supply, a belt power supply, and a controller configured to start supplying power from the drum power supply to a drum memory of the drum cartridge, start supplying power from the belt power supply to a belt memory of the belt unit, stop supplying the power from the drum power supply to the drum memory after starting supplying the power from the drum power supply to the drum memory, and stop supplying the power from the belt power supply to the belt memory after starting supplying the power from the belt power supply to the belt memory.
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