| 摘要 |
A mechanical pencil in which a lead delivery mechanism composed of a lead tank part, a lead chuck, a chuck ring, a sleeve having a stopper and the like is inserted into an outer cylinder having a stopper engaging portion from the rear of the outer cylinder in axially slidable manner, a stopper fitting stepped portion is positioned on the tank part apart from the stopper with a distance equivalent to or shorter than the knocking stroke, and the lead tank part is knocked so that the stopper is fitted to the stopper engaging portion of the outer cylinder, and a method for assembling such mechanical pencil. |
