| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a keyboard cover device for a keyboard instrument in which the appearance of a keyboard cover can be enhanced without increasing its manufacturing cost. <P>SOLUTION: The keyboard cover 4 is provided with a front keyboard cover 11 for opening/closing the front of a playing part 2, a rear keyboard cover 12 arranged on the rear side of the front keyboard cover 11 to open/close the rear part of the playing part 2 and a plurality of hinges arranged at intervals in the lateral direction between the front keyboard cover 11 and the rear keyboard cover 12 and connecting the front keyboard cover 11 and the rear keyboard cover 12 so that these covers 11, 12 can be rotated around an axial line extended in the lateral direction. The front keyboard cover 11 is constituted so as to be rotated between a close position connected to the front end of the rear keyboard cover 12 and extended to the front and an open position rotated from the rear keyboard cover 12 by a prescribed angle and each of the hinges 13 is arranged so as to be located on the lower side of the front keyboard cover 11 or the rear keyboard cover 12. <P>COPYRIGHT: (C)2004,JPO |
