| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily attach/detach an attachment device to/from an electronic instrument body and to optionally change the direction of the attachment device when attached. <P>SOLUTION: A mount 30 is fixed to the upper surface of an electronic musical instrument 1 to be the electronic instrument body and an attaching tool 40 is fixed to the lower surface of a loudspeaker unit 2 which is an attachment device. A fitting protrusion formed on the mount 30 is fitted with a fitting recess formed on the attaching tool 40, the direction of the loudspeaker unit 2 is adjusted in a state that an operation lever 43 for locking the fitting is turned up to a way to a lock position, and then the lever 43 is turned to the lock position, so that the fitting of the protrusion and the recess is locked and the mount and the attaching tool 40 are mutually fixed to fix the loudspeaker unit 2 on the electronic musical instrument 1. <P>COPYRIGHT: (C)2003,JPO |
