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发明名称
防摔圆珠笔
摘要
一种防摔圆珠笔,包括笔尖和笔杆,其特征在于:所述防摔圆珠笔笔杆尾部为实心结构,中间嵌有一块重心块;所述防摔圆珠笔笔杆尾部包裹有一层保护层。所述的防摔圆珠笔,当掉落在地上时,因其重心在其笔杆尾部,使得笔杆尾部先着地,有效避免了笔尖的损坏,而其尾部的保护层可以有效避免笔杆的损坏。
申请公布号
CN201736608U
申请公布日期
2011.02.09
申请号
CN201020191058.6
申请日期
2010.05.07
申请人
上海市格致中学
发明人
项君璞
分类号
B43K29/00(2006.01)I
主分类号
B43K29/00(2006.01)I
代理机构
代理人
主权项
一种防摔圆珠笔,包括笔尖、笔杆和笔杆尾部,其特征在于:所述笔杆尾部(1)为实心结构,中间嵌有一块重心块(3);所述防摔圆珠笔笔杆尾部(1)包裹有一层保护层(2)。
地址
200001 上海市广东路615号
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