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公开(公告)号：US11906908B2
公开(公告)日：2024-02-20
申请号：US18155789
申请日：2023-01-18
发明人： Yasumasa Fujii
CPC分类号： G03G15/065 , G03G15/0806 , G03G15/0808 , G03G15/0855 , G03G15/0865 , G03G21/1652 , G03G21/1676 , G03G2221/166
摘要： A developing cartridge includes a casing, a developer-carrying member, a supply member, a developing electrode, a supply electrode, and an insulating member. The casing is configured to accommodate therein developer. The developer-carrying member is configured to rotate about a rotational axis and carry the developer thereon. The supply member is configured to supply the developer to the developer-carrying member. The developing electrode is configured to be electrically connected to the developer-carrying member. The supply electrode is configured to be electrically connected to the supply member. The insulating member insulates the developing electrode and the supply electrode with each other. The developing electrode, the insulating member, and the supply electrode are overlapped in this order in an axial direction of the rotational axis.
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公开(公告)号：US11567423B2
公开(公告)日：2023-01-31
申请号：US17405225
申请日：2021-08-18
发明人： Yasumasa Fujii
摘要： A developing cartridge includes a casing, a developer-carrying member, a supply member, a developing electrode, a supply electrode, and an insulating member. The casing is configured to accommodate therein developer. The developer-carrying member is configured to rotate about a rotational axis and carry the developer thereon. The supply member is configured to supply the developer to the developer-carrying member. The developing electrode is configured to be electrically connected to the developer-carrying member. The supply electrode is configured to be electrically connected to the supply member. The insulating member insulates the developing electrode and the supply electrode with each other. The developing electrode, the insulating member, and the supply electrode are overlapped in this order in an axial direction of the rotational axis.
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公开(公告)号：US10824090B2
公开(公告)日：2020-11-03
申请号：US16867129
申请日：2020-05-05
发明人： Yasumasa Fujii
摘要： A developing cartridge includes a casing, a developer-carrying member, a supply member, a developing electrode, a supply electrode, and an insulating member. The casing is configured to accommodate therein developer. The developer-carrying member is configured to rotate about a rotational axis and carry the developer thereon. The supply member is configured to supply the developer to the developer-carrying member. The developing electrode is configured to be electrically connected to the developer-carrying member. The supply electrode is configured to be electrically connected to the supply member. The insulating member insulates the developing electrode and the supply electrode with each other. The developing electrode, the insulating member, and the supply electrode are overlapped in this order in an axial direction of the rotational axis.
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公开(公告)号：US10775713B2
公开(公告)日：2020-09-15
申请号：US16574525
申请日：2019-09-18
发明人： Yasumasa Fujii , Tsutomu Suzuki , Hiroshi Igarashi
摘要： A developing cartridge includes a casing, a rotating member, and an electrode member. The casing may be configured to accommodate therein developer. The rotating member has a rotational shaft extending in an axial direction. The rotating member is configured to rotate about the rotational shaft and carries the developer thereon. The electrode member is configured to be electrically connected to the rotating member. The electrode member covers at least part of the rotational shaft from an orthogonal direction orthogonal to the axial direction and is arranged to confront the casing in the axial direction. The electrode member is configured to move in the orthogonal direction in accordance with a movement in the axial direction.
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公开(公告)号：US10444698B2
公开(公告)日：2019-10-15
申请号：US16055849
申请日：2018-08-06
发明人： Yasumasa Fujii , Shougo Sato
摘要： An image forming apparatus includes an apparatus main body, a drum cartridge, and a developing cartridge. The apparatus main body is formed with an opening. The drum cartridge includes a photosensitive drum and is configured to be installed into the apparatus main body through the opening. The developing cartridge includes a developing roller and is configured to be installed into the drum cartridge. The drum cartridge includes a swing plate configured to support the developing cartridge installed in the drum cartridge. The swing plate is configured to swingably move such that the developing roller moves relative to the photosensitive drum. The swing plate includes a first guide configured to guide installation of the developing cartridge into the drum cartridge.
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公开(公告)号：US10379488B2
公开(公告)日：2019-08-13
申请号：US15294011
申请日：2016-10-14
发明人： Yasumasa Fujii
摘要： A developing cartridge includes: a housing having first and second sidewalls through which respective end portions of a developing roller shaft are rotatably inserted; a developing gear, which is arranged outside of the first sidewall, and which is fixed to the end portion of the developing roller shaft; a transmission gear, which is arranged outside of the first sidewall, and which transmits driving force to the developing gear; a first cover member, which is attached to the first sidewall, and which covers the transmission gear; and a second cover member, which is attached to the first sidewall, and which covers the developing gear from an outer side in the axis line direction. The second cover member is formed separately from the first cover member and is arranged side by side with the first cover member outside of the first sidewall.
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公开(公告)号：US20190196357A1
公开(公告)日：2019-06-27
申请号：US16290326
申请日：2019-03-01
发明人： Yasumasa Fujii
摘要： A developing cartridge includes a casing, a developer-carrying member, a supply member, a developing electrode, a supply electrode, and an insulating member. The casing is configured to accommodate therein developer. The developer-carrying member is configured to rotate about a rotational axis and carry the developer thereon. The supply member is configured to supply the developer to the developer-carrying member. The developing electrode is configured to be electrically connected to the developer-carrying member. The supply electrode is configured to be electrically connected to the supply member. The insulating member insulates the developing electrode and the supply electrode with each other. The developing electrode, the insulating member, and the supply electrode are overlapped in this order in an axial direction of the rotational axis.
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公开(公告)号：US20190072874A1
公开(公告)日：2019-03-07
申请号：US16180408
申请日：2018-11-05
发明人： Yasumasa Fujii
摘要： A developing cartridge includes a casing, a developer-carrying member, a supply member, a developing electrode, a supply electrode, and an insulating member. The casing is configured to accommodate therein developer. The developer-carrying member is configured to rotate about a rotational axis and carry the developer thereon. The supply member is configured to supply the developer to the developer-carrying member. The developing electrode is configured to be electrically connected to the developer-carrying member. The supply electrode is configured to be electrically connected to the supply member. The insulating member insulates the developing electrode and the supply electrode with each other. The developing electrode, the insulating member, and the supply electrode are overlapped in this order in an axial direction of the rotational axis.
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公开(公告)号：US20190049873A1
公开(公告)日：2019-02-14
申请号：US16165195
申请日：2018-10-19
发明人： Yasumasa Fujii , Tsutomu Suzuki , Hiroshi Igarashi
CPC分类号： G03G15/065 , G03G15/0865 , G03G21/1652 , G03G21/1676 , G03G21/1867 , H05K999/99
摘要： A developing cartridge includes a casing, a rotating member, and an electrode member. The casing may be configured to accommodate therein developer. The rotating member has a rotational shaft extending in an axial direction. The rotating member is configured to rotate about the rotational shaft and carries the developer thereon. The electrode member is configured to be electrically connected to the rotating member. The electrode member covers at least part of the rotational shaft from an orthogonal direction orthogonal to the axial direction and is arranged to confront the casing in the axial direction. The electrode member is configured to move in the orthogonal direction in accordance with a movement in the axial direction.
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公开(公告)号：US09958818B2
公开(公告)日：2018-05-01
申请号：US15606101
申请日：2017-05-26
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/206
摘要： A fixing device including an endless belt, a rotary body positioned outside of the endless belt, the rotary body having an axis extending in an axial direction, an elastic member positioned at an inner space of the endless belt and configured to nip the endless belt in cooperation with the rotary body, and an adhering member having rigidity higher than rigidity of the elastic member. The elastic member has a contact surface in contact with the endless belt. The adhering member has an adhered portion adhered to an opposite surface opposite to the contact surface. The adhering portion has a length in the axial direction smaller than the length of the elastic member in the axial direction.
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