发明名称 WRITING INSTRUMENT
摘要 <P>PROBLEM TO BE SOLVED: To solve the trouble wherein before a tip opening part of a cap covers an outside cylinder when the cap is to be set to the outside cylinder, a tip part of the fitting block positioning inside the cap abuts against an erazer, an erazer holder for holding the erazer and the like, and the setting operation of the cap to the outside cylinder has become troublesome. <P>SOLUTION: A writing instrument is the one wherein a writing body is arranged inside a barrel comprising a front barrel and a rear barrel. A fitting cylinder part freely detachably fitting to the writing body is provided inside the rear barrel. Besides, a difference between an outside diameter of the writing body and an inside diameter of the fitting cylinder part is larger than a difference between an outside diameter of the front barrel and an inside diameter of the rear barrel. <P>COPYRIGHT: (C)2004,JPO
申请公布号 JP2004058522(A) 申请公布日期 2004.02.26
申请号 JP20020221872 申请日期 2002.07.30
申请人 PENTEL CORP 发明人 SAITO AKINARI
分类号 B43K23/08;B43K3/00;B43K21/00;B43K29/02 主分类号 B43K23/08
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