Tone plate for keyboard-type tone plate percussion instrument, tone plate-fabricating method, tone generator unit of tone plate percussion instrument, and keyboard-type percussion instrument

A tone generator unit of a tone plate percussion instrument, comprising:

• a plurality of tone plates each adapted to vibrate to generate a musical tone of a specific tone pitch when struck;
• a resonance box having a plurality of resonance chambers, corresponding to respective ones of said plurality of tone plates and each having an opening side thereof;
• a holder member for collectively holding at least two of said plurality of tone plates so as to be capable of vibrating wherein the holding member is a cord;
• and
• a plurality of fasteners, each of said plurality of fasteners having an engagement portion that receives and secures said holder member wherein the engagement portion of said fasteners is a groove for receiving said cord and
• a fastening portion for fastening said fasteners to said resonance box,
• wherein said plurality of tone plates are mounted to said resonance box by said holding member and said fasteners so as to be capable of vibrating, with each of the tone plates located close to the opening side of a corresponding one of the resonance chambers, whereby said resonance box and said plurality of tone plates are formed into one unit.