Patent attributes
A method for assembling a keyboard instrument includes installing a keyboard unit on a lower case such that an insertion hole of a key-connecting part of the keyboard unit is positioned corresponding to a lower side installation part of the lower case; thereafter, placing a upper case on the keyboard unit such that an upper side installation part of the upper case is positioned inside the insertion hole of the key-connecting part of the keyboard unit and mates with the lower side installation part of the lower case; and while the upper side installation part of the upper case is positioned inside the insertion hole of the key-connecting part of the keyboard unit and mates with the lower side installation part, inserting a fastening member into the upper side installation part and the lower side installation part to fix the upper case to the lower case via the fastening member.
