Keyboard musical instrument for practicing fingering on keyboard

Details Keyboard musical instrument for practicing fingering on keyboard Keyboard musical instrument for practicing fingering on keyboard

1996-10-22

2000-04-25

Ip, Paul

Music

Instruments

Combined

84172, G10C 500

Patent

active

060546417

ABSTRACT:
A keyboard musical instrument includes a keyboard, key action mechanisms and hammer assemblies as similar to an acoustic piano; however, strings are replaced with a beaten member so that a player practices a fingering on the keyboard without an acoustic sound; each of the hammer assemblies has a cylindrical hammer head formed of metal or synthetic rubber/synthetic resin, and no twisting moment is exerted on the hammer shank regardless of relative angular position between the hammer head and the hammer shank.

REFERENCES:
patent: 855056 (1907-05-01), Hirschfeld
patent: 1160409 (1915-11-01), Hicks
patent: 3563125 (1971-02-01), Brocato
patent: 3878752 (1975-04-01), Yamada
patent: 4217803 (1980-08-01), Dodds
patent: 5247129 (1993-09-01), Nozaki et al.
patent: 5811702 (1998-09-01), Tomizawa et al.

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