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发明名称
防尘粉笔擦
摘要
一种能有效地防止擦黑板上的粉笔字时被擦掉的粉笔沫到处飞扬,避免被人吸入体内影响人们身体健康,保持室内干净卫生的防尘粉笔擦,壳体内下端和壳体下端面分别是橡胶辊围裙和橡胶围裙,壳体内刷毛连接在刷毛座上,壳体内耳板与刷毛座之间由螺钉,压簧连接,并能通过旋转螺钉调节刷毛升降,刷毛下端面超出橡胶辊围裙和橡胶围裙下端面。
申请公布号
CN101992635A
申请公布日期
2011.03.30
申请号
CN200910183971.3
申请日期
2009.08.16
申请人
闫子玲
发明人
闫子玲
分类号
B43L21/02(2006.01)I
主分类号
B43L21/02(2006.01)I
代理机构
代理人
主权项
一种防尘粉笔擦,刷毛连接在刷毛座上,其特征是:壳体内下端和壳体下端面分别是橡胶辊围裙和橡胶围裙,壳体内中间是刷毛座,刷毛座下端连接刷毛,刷毛座由螺钉,压簧连接在耳板上。
地址
221439 江苏省新沂市合沟镇吴家村六组
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