发明名称 Mechanical pencil
摘要 A mechanical pencil, includes a barrel, a lead feeding mechanism disposed in the barrel to tighten and feed a lead, an operating part for causing the lead feeding mechanism to feed the lead, and holding portions for holding the lead being provided in at least two positions between the lead feeding mechanism and a tip end of the barrel spacedly in the axial direction.
申请公布号 US2002090248(A1) 申请公布日期 2002.07.11
申请号 US20020040491 申请日期 2002.01.09
申请人 KAGEYAMA HIDEHEI;NOGUCHI YOSHIO 发明人 KAGEYAMA HIDEHEI;NOGUCHI YOSHIO
分类号 B43K21/027;B43K21/033;B43K21/22;(IPC1-7):B43K21/22 主分类号 B43K21/027
代理机构 代理人
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