Keyboard apparatus for electronic keyboard musical instrument

Details Keyboard apparatus for electronic keyboard musical instrument Keyboard apparatus for electronic keyboard musical instrument

1990-05-22

1992-01-14

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84720, 84DIG7, G10B 134

Patent

active

050799851

ABSTRACT:
A keyboard apparatus for an electronic keyboard musical instrument comprising a wooden key which is swingably supported by a fulcrum on a metallic keyboard chassis and which is returned from its depressed position by returning means, a precisely constructed balance rail of metal or plastic is provided on the metallic keyboard chassis, and the wooden key is directly supported by the balance rail.

REFERENCES:
patent: 4127051 (1978-11-01), Conklin, Jr.
patent: 4205583 (1980-06-01), Absmann
patent: 4217803 (1980-08-01), Dodds
patent: 4873905 (1989-10-01), Murakami et al.
patent: 4899631 (1990-02-01), Baker

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