发明名称 Mechanical pencil
摘要 A mechanical pencil, includes an external cylinder, a lead delivery mechanism disposed in the external cylinder, the lead delivery mechanism having a lead-fastening chuck which fastens a lead and moves back and forth in the external cylinder to deliver the lead toward a front end of the external cylinder, a lead holder disposed before the lead delivery mechanism in the external cylinder to gently hold a lead, and a guide member arranged between the lead-fastening chuck and the lead holder in the external cylinder and always urged backwardly toward the lead-fastening chuck to protect a lead portion between the lead-fastening chuck and a lead holding portion of the lead holder.
申请公布号 US6547466(B2) 申请公布日期 2003.04.15
申请号 US20010005163 申请日期 2001.12.07
申请人 KOTOBUKI & CO., LTD. 发明人 KAGEYAMA HIDEHEI;NOGUCHI YOSHIO
分类号 B43K21/00;B43K21/027;B43K21/22;(IPC1-7):B43K21/16 主分类号 B43K21/00
代理机构 代理人
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