ACTION COMPONENT OF PIANO

摘要

PROBLEM TO BE SOLVED: To provide an action component of a piano which has high rigidity while maintaining advantages that synthetic resin has and then can obtain an equivalent sound volume of the piano with smaller key depression energy and can improve the responsiveness of an action.

SOLUTION: The action component 1 of the piano rotates as a key 52 is pressed to transmit key pressing energy of the key 52 to a hammer 52, and is formed of a molding of thermoplastic resin which is formed by a long fiber method and contains long fiber for reinforcement.

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