| 摘要 |
<P>PROBLEM TO BE SOLVED: To play a keyboard musical instrument while a cover body is mounted without impairing operations of an operator group and a keyboard, to protect a primary musical instrument body, and to easily diversify decoration of a keyboard musical instrument by a design of a cover body. <P>SOLUTION: The keyboard musical instrument is constituted of each one of pluralities of rear covers 30 and front covers 40 mounted on the primary musical instrument body 10. The primary musical instrument body 10 is provided with a keyboard portion 16 on a top surface 11 and the operator group 19 on a panel surface 11a. The rear cover 30 has cut portions 31a and 32a cut in a top plate portion 31 and a rear plate portion 32 in conformity with the operator group 19 and a terminal group 18. When only the rear cover 30 is mounted, the keyboard portion 16 is completely exposed and the terminal group 18 is also completely exposed in the cut portions 31a and 32a of the rear cover 30, so that the keyboard musical instrument is played without any hindrance. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
