| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a percussion stringed device for a piano which can easily adjust a static load applied onto the top end of the key performance side. <P>SOLUTION: This percussion stringed device is provided with long-shaped weight levers 21 which are arranged for every key along the length direction of the keys 3 in the upper part of a side opposite to the performance side of the key 3, whose one end is fixed to a piano main body to be freely rockable in the vertical direction and which is configured so that the open end side being displacable in the vertical direction comes into contact with the top face of the key 3 by gravity to apply the load to the key 3; a weight lever fluctuation preventing rail 93 which is fixed to the piano main body so as to straddle over a plurality of weight levers 21 above the weight lever 21, regulates the upward rocking of weight levers 21 and has the shape that its under face is curved upward as it advances in the direction opposite to the performance side; and a movement means which moves the weight lever 21 in the length direction of the key. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
