发明名称 Writing implement
摘要 The writing implement 1 comprises a shaft barrel 4 and a tail plug 2. The shaft barrel 4 includes an ink storing body 7 stored in an interior portion thereof and a pen point 8 mounted on a front end portion thereof. The tail plug 2 is removably mounted on an opening formed at the rear end of the shaft barrel 4. The tail plug 2 includes a flange portion 21 which is provided backwardly of the rear end portion of the shaft barrel 4. Between the front surface of the flange portion 21 and the rear end portion of the shaft barrel 4, there is formed a groove 5 for forcibly opening. The groove 5 is formed more deeply inwardly in the diameter direction of the shaft barrel 4 than the inner surface of the rear end opening of the shaft barrel 4.
申请公布号 US6244775(B1) 申请公布日期 2001.06.12
申请号 US20000676668 申请日期 2000.10.02
申请人 THE PILOT INK CO., LTD. 发明人 OIKE SHIGERU
分类号 B43K3/00;B43K8/00;B43K8/02;B43K11/00;B43K13/00;(IPC1-7):B43K5/00 主分类号 B43K3/00
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