发明名称 Magnetic rotary file
摘要 Magnetic article supporting means. First and Second wheel shaped magnetic members are rotatably mounted and define a wedge shaped gap between them. A magnet provides a magnetic field in said gap. A plurality of wedge shaped magnetic members are inserted and held in said gap. The wedge shaped members have clips attached thereto, the clips being adapted to hold papers and cards.
申请公布号 US3918017(A) 申请公布日期 1975.11.04
申请号 US19730368182 申请日期 1973.06.08
申请人 PATRICK J. MCGANNON AND GLORIA J. MCGANNON 发明人 MCGANNON, PATRICK J.;MCGANNON, GLORIA J.
分类号 H01F7/02;(IPC1-7):H01F7/20 主分类号 H01F7/02
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