WRITING IMPLEMENT, ITS OUTSIDE ENVELOPE AND CYLINDRICAL COMPONENT FOR THE WRITING IMPLEMENT

摘要

PROBLEM TO BE SOLVED: To make the cylindrical component capable of storing or holding various functional components be detachably attached by a prescribed posture in a prescribed position of a cylindrical component storing hole formed in an outer envelope rear part of the writing implement.;SOLUTION: A front end opening 71 wherein a writing core member 6 can frequent to an outer envelope of the writing implement 1 and a cylindrical member storing part to which the cylindrical member 91 inserted from the cylindrical member attaching opening formed at the rear end, is detachably, attached, is provided. In the writing implement 1 wherein the cylindrical member 91 capable of storing functional components (93-95) having prescribed functions inside can be stored, a cylindrical guide part for guiding a guided part formed on an outer side surface of the cylindrical member 91 to a front and rear direction and a cylindrical member locking part for locking so that the cylindrical member 91 is not easily moved axially in a state wherein the cylindrical member 91 is attached to the cylindrical member storing part.;COPYRIGHT: (C)2005,JPO&NCIPI