| 摘要 |
PURPOSE: A multiple writing tool is provided to ensure simple structure and high shock resistance and to improve productivity. CONSTITUTION: A multiple writing tool comprises: an outer tube having a lead member moving hole and shaft through hole; a cam bottle which is mounted to rotate together with a cap; an insertion shaft which is extended forwardly and is inserted to reciprocate in a shaft direction. The insertion shaft and cam bottle are integrally formed. In case of knocking the cap, the insertion shaft moves with the cam bottle integrally in a shaft direction. |
