| 摘要 |
PROBLEM TO BE SOLVED: To facilitate interchanging of a writing body in a writing utensil mounted with the writing body internally provided on a shaft cylinder through an inner shaft and an electric device for detecting the writing pressure of the writing body and performing on/off. SOLUTION: In the writing pressure detecting writing utensil, the components are composed of a writing body holder 6, a guiding part 8 for guiding sliding of the writing body holder in the longitudinal shaft direction, an elastic member 11 for always energizing forward the writing body holder between the electric device and the writing body holder, and a slide 17 partly exposed in the shaft cylinder. A locking part 10 which can be got over is formed on the writing body holder and the guide part, and a flat part which can move forward the writing body holder by movement in the longitudinal shaft direction and can release the locking which can be got over between the writing body holder and the guide part is formed. A space capable of moving the writing body holder in the longitudinal direction is formed in the inner shaft, and its moving distance is formed longer than the moving distance of the slide. COPYRIGHT: (C)2008,JPO&INPIT
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