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发明名称
改良图钉
摘要
将现有图钉的钉盖的圆形改为有两条平行直边,两条对衬弧线的形状,即将现有图钉的圆形钉盖切去两个等长的弦边,使ab=cd;ac=bd;ab与cd相平行。改良后的图钉不影响将图钉按下,有两道直边,还有助于拇指旋转按下时增加摩擦力;改良图钉易于起出,用手指起或用工具起都有可以着力的部位,即ab和cd两道切面。改良图钉制作简单,使用方便,易于推广。
申请公布号
CN201264458Y
申请公布日期
2009.07.01
申请号
CN200820210492.7
申请日期
2008.10.09
申请人
李平
发明人
李平;李伯姗
分类号
B43M15/00(2006.01)I
主分类号
B43M15/00(2006.01)I
代理机构
代理人
主权项
改良图钉是对现有图钉的改良,其特征是:将现有图钉的钉盖的圆形改为有两条平行直边,两条对衬弧线的形状,即将现有图钉的圆形钉盖切去两个等长的弦边,使ab=cd;ac=bd;ab与cd相平行。
地址
570105海南省海口市龙华区滨海大道61号
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