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发明名称
带黑板擦的自动粉笔
摘要
一种带黑板擦的自动粉笔包括:粉笔5,外壳1的外表面上千粘脚连有黑板擦6,外壳1内装有粉笔5和弹簧2,外壳1一头的粉笔出口上装有弹性橡皮锁口4,另一头装有盖帽3。其优点是:粉笔书写十分方便,不易折断,书写完后要擦掉十分方便自如,给老师教学也减少了不少麻烦。
申请公布号
CN201070917Y
申请公布日期
2008.06.11
申请号
CN200720085633.2
申请日期
2007.07.02
申请人
童言
发明人
童言
分类号
B43K29/00(2006.01)
主分类号
B43K29/00(2006.01)
代理机构
代理人
主权项
1.一种带黑板擦的自动粉笔包括:粉笔(5),其特征在于:外壳(1)的外表面上千粘脚连有黑板擦(6),外壳(1)内装有粉笔(5)和弹簧(2),外壳(1)一头的粉笔出口上装有弹性橡皮锁口(4),另一头装有盖帽(3)。
地址
430040湖北省武汉市吴家山中学
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