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发明名称
一种防尘黑板擦
摘要
本实用新型提供一种防尘黑板擦,属于教学用具领域。该黑板擦的结构包括毛刷和外壳,毛刷设置在外壳中,外壳敞口处周边设置有棉布,外壳内部侧壁及底面上设置有海绵体并与其相粘合在一起,所述毛刷下端设置在外壳内部底面上,毛刷上端穿过海绵体后延伸在外壳内部,所述外壳底部的中间部位设置有通孔,通孔上设置有外盖。该黑板擦和现有技术相比,具有设计合理、结构简单、使用方便、提高教学效率等特点。
申请公布号
CN201881777U
申请公布日期
2011.06.29
申请号
CN201020640437.9
申请日期
2010.12.03
申请人
张蕊
发明人
张蕊
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
一种防尘黑板擦,包括毛刷和外壳,毛刷设置在外壳中,外壳敞口处周边设置有棉布,其特征在于外壳内部侧壁及底面上设置有海绵体并与其相粘合在一起,所述毛刷下端设置在外壳内部底面上,毛刷上端穿过海绵体后延伸在外壳内部,所述外壳底部的中间部位设置有通孔,通孔上设置有外盖。
地址
277600 山东省济宁市微山县第二中学
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