Plectrum piano action

Details Plectrum piano action Plectrum piano action

1976-12-06

1978-07-11

Franklin, Lawrence R.

Music

Instruments

Stringed

G10C 106

Patent

active

040994406

ABSTRACT:
An improvement in the action for a plectrum piano in which a pneumatic piston and cylinder are used to produce a variable pluck loudness, the reaction of the piston urging the plectrum toward the musical string in proportion to key-lever velocity. A rotatable pick-rod is used to carry the plectrum, the pick-rod being connected to the piston by means of a crank arm such that the plectrum is also rotated into the string during the pluck.

REFERENCES:
patent: 796878 (1905-08-01), Spurgeon
patent: 933670 (1909-09-01), Schenuit
patent: 1462444 (1923-07-01), Casciotta
patent: 1624061 (1927-04-01), Nesseler
patent: 3478630 (1969-11-01), Cucchiara

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