| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent a positional slippage in the axial direction due to deformation accompanying a writing pressure, even when a grip is of low hardness and liable to be deformed in conformity with the shapes of fingers. <P>SOLUTION: An engagement band 3 is wound circumferentially around the outer peripheral surface of the grip 2 and it is engaged annularly and retained by a connecting part 3c. By the engagement band 3, the grip 2 is brought into close contact with the outer peripheral surface 1a of a shaft tube 1 over the whole periphery. Even when a forward pressing power is applied to the grip 2 by the writing pressure, therefore, it is not partially concentrated in the circumference, but is applied almost uniformly in this direction, and thus the forward positional slippage of the grip 2 is prevented by a frictional resistance that arises between the grip and the outer peripheral surface 1a of the shaft tube. <P>COPYRIGHT: (C)2008,JPO&INPIT |
