摘要 |
PROBLEM TO BE SOLVED: To solve the problem of a conventional technology: in the case of a side-knock type writing utensil, knocking is frequently performed while holding a grip during writing, a knock button has high sliding characteristics, i.e., high slippage, necessitating certain hardness, hence a polyacetarl resin is used, and lustered so as to improve appearance, while the knock button is pressed by holding the grip, the appearance surface of the knock button is slippery, and hands sweat much in summer, causing a knocking failure. SOLUTION: The writing utensil includes a holding part in the gripping part of a shaft cylinder. A recessed part or a projecting part is formed in a boundary between the shaft cylinder and the holding part. COPYRIGHT: (C)2010,JPO&INPIT |