| 摘要 |
<p>A bell rings even when shaken to only a small extent, and allows an easy adjustment of loudness and tone. The bell that rings when the entire rolling element bell is shaken, includes a base section having a recess, and a bell section that is supported directly or indirectly by the base section, a rolling element that is adapted to roll in the recess, the rolling element hitting the base section when the entire rolling element bell has been shaken, and the rolling element has rolled to reach an edge of the recess of the base section, and the rolling element bell being configured so that sound produced by the rolling element bell is adjusted by adjusting a contact angle or a contact height of the rolling element with an inner wall of the bell section.</p> |
