| 摘要 |
PROBLEM TO BE SOLVED: To facilitate fitting of a writing core member 6 into a core member fitting hole of a slider supported with a slider guide groove of a slider support case of a composite writing instrument. SOLUTION: The composite writing instrument has a slider support case 3 in which a plurality of slider guide grooves for slidably supporting a plurality of sliders 4 each in the longitudinal direction are provided at the rear part while a core member penetrating hole for allowing the plurality of writing core members 6 to penetrate therethrough for communicating with the front end of the slider guide groove is formed on the guide groove front end wall provided at the front end of the slider guide groove, and has a rear part outer cylinder 2 for accommodating the slider support case 3. The composite writing instrument is formed of one core member penetrating hole, in which the penetrating hole allows all of the writing core members 6 to penetrate therethrough, and has an inner peripheral surface for guiding the rear end of each writing core member 6 to the slider guide groove. COPYRIGHT: (C)2005,JPO&NCIPI
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