| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that switching between writing operation and erasing operation cannot be carried out quickly and quietly in writing implement incorporating ink or a core.SOLUTION: One writing implement body incorporates thermochromism ink, ink that can be erased by an eraser, or pencil lead. A pen point accommodates a writing part 1, such as a ball-point pen, marking pen, or mechanical pencil, and an erasing part 2 that can discolor or erase a line drawn with the writing part 1. The writing part 1 and the leading end of the erasing part 2 are provided in the end on the same side. Thereby, switching between writing and erasing can be made easy and speedy. |
