A barrel of a writing instrument having a gripping member attached thereto and a writing instrument using the barrel thereof

摘要

The present invention relates to a barrel of a writing instrument to which a gripping member is attached, wherein a barrel of the writing tool is formed with a grip member attachment portion to which a gripping member is attached, and the grip member attachment portion of the grip member attachment portion A first protrusion is formed on an outer circumferential surface and less than a half circumference, and a second protrusion having an inner diameter and a circumscribed circle diameter of the gripping member substantially equal to each other is provided at a rear end of the grip member attachment portion .