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发明名称
一种粉笔套
摘要
一种粉笔套,所述的粉笔套为管状,包括三部分:主笔管、滑动塞、限位圈。主笔管上有滑槽和限位孔。滑动塞的作用是推动粉笔向外移动。限位圈由弹性材料制成,限位圈套在限位孔上,限位圈作用是卡住粉笔。限位孔可以有一个或几个。
申请公布号
CN102381085A
申请公布日期
2012.03.21
申请号
CN201010271100.X
申请日期
2010.08.26
申请人
黄奕
发明人
黄奕
分类号
B43K23/016(2006.01)I
主分类号
B43K23/016(2006.01)I
代理机构
代理人
主权项
一种粉笔套,所述的粉笔套为管状,包括三部分:主笔管、滑动塞、限位圈,其特征是:1、主笔管上有滑槽和限位孔,2、滑动塞的作用是推动粉笔向外移动,3、限位圈由弹性材料制成,限位圈套在限位孔上,限位圈作用是卡住粉笔、4、限位孔可以有一个或几个。
地址
234000 安徽省宿州市一中高一年级
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