| 摘要 |
PURPOSE: A writing tool is provided to easily select various kinds of lead by an inner case with the leads slid-moving from the inside of the outer case. CONSTITUTION: A writing tool(100) comprises an outer case(110), an inner case(130), pen cores, and operating knob(150). The outer case comprises a slide groove(116) extended in a longitudinal direction of the container and has both open ends. The inner case is slide-movably inserted into the outer container. The plurality of leads is arranged inside the inner case. Each of tip portions(144,146) is protruded from the both ends of the inner case. The operating knob is arranged in one side of the inner container and is slide-movably accommodated in the slide groove. |
