发明名称 |
Wall-hanging type magnetic displaying device |
摘要 |
A magnetic displaying device adapted for hanging on a wall including a displaying panel made of a hanging panel and a parallel disposed magnetic displaying panel between which is disposed a liquid containing magnetic particles. A translatable erasing magnet is arranged perpendicular to the downward direction of the device and coupled to a magnet lifting mechanism. The erasing magnet rests at either the upper or lower end of the panel and moves up and down through guiding means such as rails. A string or the like coupled to the lifting mechanism is pulled downwardly to move the erasing magnet.
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申请公布号 |
US4288936(A) |
申请公布日期 |
1981.09.15 |
申请号 |
US19790083708 |
申请日期 |
1979.10.11 |
申请人 |
PILOT MAN-NEN-HITSU KABUSHIKI KAISHA |
发明人 |
OKUTSU, HIROYASU |
分类号 |
A63H33/26;B43L1/00;G09F9/37;(IPC1-7):G09F19/00 |
主分类号 |
A63H33/26 |
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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