发明名称 Electromagnetic device
摘要 An electromagnetic device comprising a fixed yoke and a rotatable armature is disclosed. The yoke and armature of the device are mounted on a common shaft, and also the lower surface of the yoke and the upper surface of the armature slidingly contact with each other.
申请公布号 US4282503(A) 申请公布日期 1981.08.04
申请号 US19790070801 申请日期 1979.08.29
申请人 CANON KABUSHIKI KAISHA 发明人 SHIMIZU, MASAMI;AIZAWA, HIROSHI
分类号 H01F7/08;H01F7/14;(IPC1-7):H01F7/08 主分类号 H01F7/08
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