| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a damper device for a piano facilitating the manufacture of damper heads and reducing manufacturing processes and the number of stock parts so as to make standardization and cost reduction possible. SOLUTION: Damper groups 50A, 50B, 50C composed of three kinds of damper heads 5A, 5B, 5C are resoectively disposed in three areas 30A, 30B, 30C in a grand piano 30. The plan view shape of the respective damper heads 5A, 5B, 5C is approximately rectangular, and dimensions La, Lb, Lc in a direction extended along the strings become shorter in order so as to be La>Lb>Lc.</p> |
