| 摘要 |
PROBLEM TO BE SOLVED: To provide a bell which rings with small movement without using an electric controller and is easy to adjust with respect to the volume and tone color of sound.SOLUTION: The bell rings by rolling of a ball and includes a base part and a bell part directly or indirectly supported on the base part. The base part has a concave portion, and the ball is placed on the concave portion so as to be able to roll. The ball rolls along the bottom of the concave portion of the base part and strikes against an inner wall of the bell part to ring the bell part. The bell is moved generally in a lateral direction when used. |
