| 摘要 |
<P>PROBLEM TO BE SOLVED: To change a sense of key depression distinctively, widely, and optionally by switching whether an inertial force is applied to a key and adjusting the inertial force to be applied. <P>SOLUTION: A hammer drive part 12 of a key body 10 and a slope part 22 of a hammer body 20 engages each other and the hammer body 20 rotates in response to key depressing operation of a corresponding key 10. An initial position adjusting mechanism part AM1 changes the initial position of the hammer body 20 and then the engagement relationship between the hammer drive part 12 and slope part 22 can be changed to change the inertial force applied to the key body 10 by the hammer body 20 with the degree of the engagement between the both, thereby changing a sense of key depression. In concrete, "live piano settings" wherein the both engage each other in at least part of a key depressing stroke and "organ settings" wherein the both are always apart from each other throughout the stroke of key depression and never engage each other are obtained and, especially, in the "live piano settings", the engagement state of the both can optionally be adjusted. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
