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发明名称
带托手指定位笔
摘要
一种充分保证书写者形成正确执笔姿势,使儿童书写时手指不易疲劳,且使笔尖铅芯合理磨损的性能完善的笔。 本笔在笔管与手接触部位分为内管和具有特殊造型的外管。外管上指位坑掏空成孔,使手指可按住内管书写,因内管可转动,所以笔芯磨损均匀,外管中间部位设手形台,书写时手形台应正对书写人面部,保证手指与指位坑的正确对应关系。在外管与虎口接触部位设曲面虎口托,以保证手指弯曲程度适中和笔管方向正确,并可避免手指受力过大。
申请公布号
CN2127661Y
申请公布日期
1993.03.03
申请号
CN92205162.3
申请日期
1992.03.26
申请人
殷怀振
发明人
殷怀振
分类号
B43K3/00
主分类号
B43K3/00
代理机构
代理人
主权项
1、一种充分保证书写者执笔姿势正确的笔,其特征是笔管分为内管和具有特殊造型的外管,内管可在外管内转动,但轴向相对位置不变。
地址
100051北京市宣武区三井胡同35号
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