| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that gripping pressure by the contact of the thumb, a forefinger and the middle finger is strong in a writing utensil wherein a permanent magnet is arranged to a grip part or a shaft cylinder and a blood vessel is strongly pressed and accordingly, blood circulation promoting effect by the expansion of a blood vessel is not much desired and it is insufficient to reduce fatigue due to writing. <P>SOLUTION: A large diameter part is formed to the almost central part in the longitudinal direction of the shaft cylinder and a grip part is provided to the part in front of the large diameter part while an interdigital contact part is provided to the part behind the large diameter matter to be made reduced in diameter. In this writing utensil, a permanent magnet is arranged on the surface of the interdigital contact part and/or in the interdigital contact part. <P>COPYRIGHT: (C)2004,JPO |
