发明名称 MECHANICAL PENCIL
摘要 PROBLEM TO BE SOLVED: To make it possible to provide a mechanical pencil, which facilitates the grasping of an internally stored lead and the discrimination of a lead color and is excellent in displaying properties. SOLUTION: In a retractable mechanical pencil, in which a barrel 1 and a lead case 3 are made of transparent or colored transparent resin moldings and a collet 6 is fixed ahead the lead case, a lead guiding member 5 having a lead guiding part 5b at a rear end and a lead insertion hole at a front axis center is arranged in the front inner hole part of the lead case 3 so as to nearly abuttingly contact the front end of the lead guiding member 5 with the rear end of the collet 6 and coincidently fix both the axis centers of the lead guiding member and of the collet with each other. Further, the distance between the front end of a tip pipe 10b projecting beyond the front end of a mouth tip part and the lead guiding part 5b provided in the lead case 3 is provided so as to be nearly equal to or longer than the total length of a lead.
申请公布号 JP2002113986(A) 申请公布日期 2002.04.16
申请号 JP20000311629 申请日期 2000.10.12
申请人 MITSUBISHI PENCIL CO LTD 发明人 KIMURA MASARU;KATO TOMOYOSHI;FUKUMOTO TAKEO
分类号 B43K3/00;B43K21/00;B43K21/16;(IPC1-7):B43K21/00 主分类号 B43K3/00
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