发明名称 REPLACEMENT ROTARY ERASER
摘要 PURPOSE: A replacement-type rotary blackboard eraser capable of replacing an erasing pad is provided to enable users to easily erase contents from a blackboard by operating a motor to rotate the erasing pad. CONSTITUTION: A replacement-type rotary blackboard eraser comprises a case(10), a motor(20), a rotary plate(30), and an erasing pad(40). The case includes a battery space(13) and a battery cover(12). A switch(11) is combined to the case for controlling the power of a battery. The motor operates by the electricity supplied from the battery. The rotary plate is connected to the motor. The erasing pad rotates with the rotary plate.
申请公布号 KR20120134582(A) 申请公布日期 2012.12.12
申请号 KR20110053596 申请日期 2011.06.02
申请人 JUNG, SEUNG WOOK 发明人 JUNG, SEUNG WOOK;KIM, SO JUNG;LEE, JEONG KEUN;YANG, SEUNG JI;LEE, SANG MIN;HAN, JEE CHUL
分类号 B43L21/02;B43L21/00 主分类号 B43L21/02
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