| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the following problem that a conventional putter is almost merely provided with an object or is merely drawn with a line so as to align the putter with a target direction and is intuitional, and a person reluctantly determines and executes a posture of the putter by believing the posture in one's own way, so that the person does not arrive at the conviction. <P>SOLUTION: The putter is formed with a groove-shaped direction part including a groove right side face, a groove left side face, a right gap, a left gap, a right spherical face, and a left spherical face along a direction line. The putter is formed with the groove-shaped direction part or a projection-shaped direction part such that the putter can be aligned with the target direction with larger conviction to lead out an accurate ascertained position, so that the conviction and relief are brought by the posture. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
