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发明名称
电动黑板擦
摘要
一种电动黑板擦由框体、电机、转子、电池、滚珠压片按钮和容器组成,电机轴上固定有一齿轮,与一个转子上固定的齿轮啮合,该转子上的齿轮又与相同的另一转子上同样规格的齿轮相啮合,组成转动传递系统,通过卷绕包围在两个转子上的擦拭体相对旋转,将黑板上笔记擦掉,粉笔灰被刷落到框体底部的容器中。本装置结构紧凑,由于擦拭体可自动转动,人无需用力,只要将电动黑板擦轻轻压到黑板上即可擦净笔迹,方便省力,干净卫生。
申请公布号
CN2129229Y
申请公布日期
1993.04.07
申请号
CN92232559.6
申请日期
1992.09.10
申请人
沈太福
发明人
沈太福
分类号
B43L21/00
主分类号
B43L21/00
代理机构
代理人
主权项
1、一种电动黑板擦由框体、电机、转子、电池、滚珠压片按钮和容器组成,电机(3)固定在框体(1)上,(2)为供电电池,与转子(6)和(6′)及容器(9)一起置于框体内,容器位于框体的底部,其特征在于:电机轴(4)上固定有一个齿轮(5)与转子(6)上固定的齿轮(7)啮合,齿轮(7)又与相同转子(6′)上的同样规格的齿轮(7′)啮合,组成转动传递系统。
地址
100027北京市朝阳区东三环北路甲2号旁门
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