| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a keyboard lid device of a keyboard instrument where the keyboard instrument is made compact and flexibility for laying out components arranged behind a performance part is enhanced, and a keyboard lid is easily opened and closed. <P>SOLUTION: The keyboard lid device 4 of the keyboard instrument opens/closes the performance part 3 including a keyboard 6, and comprises: right and left wood arms 15, 15 located on both sides of the performance part 3; and a keyboard lid 16 which has two or more plates 26, 27 coupled to be freely turnable from each other and is attached to the right and left wooden arms 15, 15 so as to be freely slidable in the cross directions between a front side closed position and a rear side opened position, and closes the performance part 3 in the closed position with the two or more plates 26, 27 aligned and developed in the cross direction, and also opens the performance part 3 in the opened position with the two or more plates 26, 27 folded above the rear end part of the performance part 3. <P>COPYRIGHT: (C)2007,JPO&INPIT |
