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发明名称
无尘黑板擦
摘要
无尘黑板擦属于器械制造,用以解决黑板擦在使用时产生的粉尘污染。主要技术特征是,将无尘黑板擦设计成长方盒形,由集尘盒和摩擦面组成,在其摩擦面上开有五个通尘孔,和无尘黑板擦集尘室相通,使用时,无尘黑板擦沿通尘孔横向垂直方向运动,每一通尘孔前方摩擦材料擦下来的粉尘,在经过通尘孔时,由后方和两边摩擦材料的阻挡,通过通尘孔而进入到无尘黑板擦集尘室内并封闭,使其不外逸,从而达到无尘效果。
申请公布号
CN2389792Y
申请公布日期
2000.08.02
申请号
CN99210285.5
申请日期
1999.05.13
申请人
曲少飞
发明人
曲少飞
分类号
B43L21/02
主分类号
B43L21/02
代理机构
代理人
主权项
一种无尘黑板擦,其特征在于无尘黑板擦设计成由摩擦面和集尘盒组成,在其摩擦面和集尘盒体上开有通尘孔,和无尘黑板擦集尘室相通。
地址
264000山东省烟台芝罘区幸国里61-6号
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