发明名称 LIGHT DEFLECTOR AND IMAGE FORMING APPARATUS
摘要 A light deflector and an image forming apparatus including the light deflector are provided. The light deflector includes a polygon mirror made of plastic and a motor including a rotor. The rotor supports the polygon mirror and includes a base and a first protrusion protruding from the base toward the polygon mirror in an axial direction. The polygon mirror includes a main body having a plurality of reflecting surfaces, and a second protrusion protruding from the main body toward the base. The second protrusion has an end face and an inner face. The end face is in contact with the base in the axial direction, and the inner face is in contact with the first protrusion in a radial direction.
申请公布号 US2015346485(A1) 申请公布日期 2015.12.03
申请号 US201514722261 申请日期 2015.05.27
申请人 BROTHER KOGYO KABUSHIKI KAISHA 发明人 HAYAKAWA Kazuhiro;HOSHINO Hidetaka;SAKAI Toshio;FUJITANI Junji;JIBU Yasuomi
分类号 G02B26/08 主分类号 G02B26/08
代理机构 代理人
主权项 1. A light deflector comprising: a polygon mirror made of plastic; and a motor including a rotor, the rotor supporting the polygon mirror, wherein the rotor includes: a base; anda first protrusion protruding from the base toward the polygon mirror in an axial direction, and wherein the polygon mirror includes: a main body having a plurality of reflecting surfaces; anda second protrusion protruding from the main body toward the base, the second protrusion having an end face and an inner face, the end face being in contact with the base in the axial direction, and the inner face being in contact with the first protrusion in a radial direction.
地址 Nagoya-shi JP