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.
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
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