发明名称 Development cartridge, process cartridge, and image forming apparatus having the same
摘要 A development cartridge including a housing, a developer carrying body rotating around a first axis along a first direction, a supply member rotating around a second axis along the first direction, a first gear connected with the developer carrying body, a second gear connected with the supply member, and a gear cover covering the first gear and the second gear, the gear cover including a first cover portion extending in a second direction perpendicular to the first direction, a second cover portion connected with the first cover portion, the second cover portion extending in the first direction, the second cover portion having an opening through which a part of the second gear protrudes from the second cover portion and is exposed.
申请公布号 US9417558(B2) 申请公布日期 2016.08.16
申请号 US201615017201 申请日期 2016.02.05
申请人 Brother Kogyo Kabushiki Kaisha 发明人 Shimizu Takashi;Fukaya Atsushi;Kanada Soun;Kuriki Hirofumi;Fukuta Hiroya
分类号 G03G15/08;G03G21/18;G03G21/16 主分类号 G03G15/08
代理机构 Banner & Witcoff, Ltd. 代理人 Banner & Witcoff, Ltd.
主权项 1. A developing cartridge comprising: a casing configured to accommodate developer therein; a developing roller rotatable about a first axis extending in a first direction; a supply roller rotatable about a second axis extending along the first direction, the supply roller contacting the developing roller; a first gear rotatable with the developing roller about the first axis, the first gear being attached to the developing roller; a second gear rotatable with the supply roller about the second axis, the second gear being attached to the supply roller; a coupling rotatable about a third axis extending along the first direction, the coupling including a coupling gear engaging the first gear at a first engagement portion and the coupling gear engaging the second gear at a second engagement portion; and a gear cover covering one part of the second gear, the gear cover being positioned at an opposite side of the coupling with respect to the second engagement portion, and the gear cover having an opening configured to allow another part of the second gear to be exposed, the opening being positioned at an opposite side of the coupling with respect to the second engagement portion.
地址 Nagoya-shi, Aichi-ken JP