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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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