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发明名称
万能圆珠笔
摘要
在内螺纹占笔杆全长的五分之四的笔杆内放外螺纹芯块,使之能自行调节它到笔头部的距离,再加之笔头部的开叉,达到了适合不同型号圆珠笔芯的目的,方便了使用,节约了材料。对于老师来讲,还能当教鞭,可谓是一举多得。
申请公布号
CN2285205Y
申请公布日期
1998.07.01
申请号
CN96221207.5
申请日期
1996.08.18
申请人
戴晶君
发明人
戴晶君
分类号
B43K7/12
主分类号
B43K7/12
代理机构
代理人
主权项
1、万能圆珠笔是由笔头套(1)、笔杆(2)和尾盖(3)组成圆珠笔的基本构件的,其特征在于:笔头套(1)上有内螺纹,笔杆(2)头部有外螺纹,尾盖(3)上连结着三角形拔节拉杆(4)的一端,该拉杆(4)的另一端连结在笔杆(2)内部的外螺纹芯块(5)上。
地址
215007江苏省苏州市东大街新桥巷20号(新苏师范学校)
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