发明名称 ELECTRIC BLACKBOARD ERASER
摘要 PURPOSE: An electric blackboard eraser is provided to prevent the scattering of chalk powder by absorbing the chalk powder through a cleaning member connected to a collecting unit. CONSTITUTION: A roller(20) is installed in the edge of a cover(10). A shaft(30) is installed in the center of the cover. A dust collector(40) is installed in the right side of the cover. A driving motor(50) is installed in the left side of the shaft. A nonwoven fabric(60) is installed on the outer side of the cover. A filtering net(80) is installed in a remover. A cleaning member(90) is attached to the lower side of the cover.
申请公布号 KR20110138712(A) 申请公布日期 2011.12.28
申请号 KR20100058757 申请日期 2010.06.21
申请人 JU, WON HONG 发明人 JU, WON HONG;PARK, SUNG DU
分类号 B43L21/04;B43L21/00;B43L21/02 主分类号 B43L21/04
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