| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to obtain a real key touch feel more approximate to the key touch feel of an upright piano. SOLUTION: This keyboard musical instrument has a key 11 and a hammer 43 which is more turned by the depression of this key 11. The hammer 43 comprises a hammer shank 43a, a coupling member 43b coupled to its front end and a weight member 43c mounted at this coupling member 43b. The weight of this weight member 43c is set the same as the weight of the felt hammer of the upright piano, by which the centroid position of the hammer 43 may be made the same as the centroid position of the upright piano. |
