| 摘要 |
PROBLEM TO BE SOLVED: To provide a sliding type composite writing utensil including a mechanical pencil body, in which the retracting and extending action of a writing body is smooth. SOLUTION: In the composite writing utensil including a mechanical pencil body, at the tip of a sliding case, a projecting part, which is longer in its axis center line direction than the seating coil part of a first coiled spring, is formed integral with the sliding case so as to arrange the first coiled spring fittingly inserting onto the projecting part. |
