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.
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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 |
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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