| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pen which is effective for acquiring a correct way of gripping a penholder. <P>SOLUTION: A first regulating recess 5 whereon the tip bulb of the forefinger F1 of a writer is put, a second regulating recess 6 whereon the lateral side of the tip of the middle finger F2 is put, and a third regulating recess 7 which is offset to the rear end side of the penholder 1 from these first and second regulating recesses 5 and 6 and whereon the ball of the thumb F3 is put, are formed on the outer peripheral surface of the front end part of the penholder 1 at almost equal intervals along the circumferential direction of the penholder 1. The first regulating recess 5 becomes shallower, while getting warped around the axis of the penholder 1 in such a manner as to separate from the third regulating recess 7 toward the rear of the penholder 1. <P>COPYRIGHT: (C)2007,JPO&INPIT |
