| 摘要 |
PROBLEM TO BE SOLVED: To prevent fellow keys neighboring each other with the key of other key board unit in end parts of the plural key board units arranged adjacently from being overlapped or rubbed. SOLUTION: In this key board device, plural key board units 7, 17 of which plural keys 1 of prescribed singing ranges are supported with a common attaching part 5 or 6 to be freely oscillatable in a key-pushing direction are arranged adjacently, and at least, the keys 1 positioned in end parts of the plural key board units 7, 17 and neighboring each other with the key of other key board unit are supported to the common attaching part 5 or 6 to be oscillatable along a key-arrayed direction. |
