| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To dispose a weight not to deteriorate dynamic performance in disposing a lead weight in a key body to suitably respond to piano player's touch. <P>SOLUTION: In this piano key assembly for the piano, the weight is suitable for the key body, the weight is received between a first point intermediate between a rotation axis of the key body and piano player's striking end along the key body and a second point intermediate between the rotation axis and the first point, and all of weights are disposed between the rotation axis and the first point to the key bodies. As an option, a hole is made between the first point of the key body and the end struck by piano's player. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
