| 摘要 |
<p>The hammer (10) has a hammer shank (12), and a hammer head (13) that is covered with a cover (14) along a part of a peripheral surface. The cover has varying thickness along the peripheral surface, and the hammer head is adjusted with respect to a position of the peripheral surface with which the head impacts the strings to be struck. The hammer head is formed as a cylindrical roller body with a rotary axle (11) clamped in the hammer shank. The hammer head is fixed in a desired rotational position relative to a hammer handle.</p> |
