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发明名称
三功能活芯铅笔
摘要
三功能活芯铅笔是集写、修铅尖,擦涂错字三功能于一体的活芯铅笔,其笔尖套内设扩大式储夹膛,铅芯夹设突沿儿或突刺,笔尖套与笔管相连处设交错口或加软垫,笔塞两处设制防脱丢省力装取的凸纹,刀片则试定了最佳材料厚度,所以本笔非常实用和耐久。
申请公布号
CN2372142Y
申请公布日期
2000.04.05
申请号
CN99206737.5
申请日期
1999.04.02
申请人
王殿钧;王国玲;王国豫;王国逢;王国樾
发明人
王殿钧;王国玲;王国豫;王国逢;王国樾
分类号
B43K17/02
主分类号
B43K17/02
代理机构
代理人
主权项
1、三功能活芯铅笔,包括笔尖套、铅芯夹、笔管、笔塞、橡皮头、V形缺口刀及铅芯等,其特征是笔尖套内设制扩大式储夹膛,膛的上部的直径大于与其相连的笔尖套的内螺纹段的螺纹凸顶计的直径;铅芯夹的上端的圆边设制与扩大式储夹膛相配合的具弹性的径向扩展的薄突沿儿或设制具弹性的约均距分布的径向扩展的几个突刺,其外径也大于相配套的笔尖套的内螺纹段的以螺纹凸顶计的直径。
地址
061027河北省沧州市隆福文具精品厂河北省沧州崔尔庄镇东街
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