Grand piano action

Details Grand piano action Grand piano action

1985-06-12

1987-08-11

Fuller, Benjamin R.

Music

Instruments

Stringed

84223, 84243, G10C 318

Patent

active

046853715

ABSTRACT:
Within each action of a grand piano there are certain wood surfaces which rub against other surfaces. These interfaces create friction, which adversely affects the playability of the piano. In order to reduce and overcome this friction, strips of fluorocarbon resin, having an extremely low coefficient of friction, are adhered to those wooden surfaces within the action which come into contact with other surfaces.

REFERENCES:
patent: 2172253 (1939-09-01), Morse et al.
patent: 2334444 (1943-11-01), Schulze

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