| 摘要 |
PROBLEM TO BE SOLVED: To prevent the danger of deforming or folding a tip tube by external force (for instance, pressure applied to the tip tube generated by writing) and the inability of delivery of a refill as a result. SOLUTION: A mechanical pencil is provided with a refill delivery mechanism in a casing main body 1, and a conical tip member 4 provided at a tip of a casing a cylinder, and a refill protecting tube 33 is provided on the end of the tip member, and a connecting section larger than the diameter of the refill protecting tube and smaller than the diameter of the tip member is formed between the refill protecting tube and the tip member, and the tip member, the connecting section and the refill protecting tube 33 are formed combinedly and integrally. |
