Supporting construction for keyboard assembly

Details Supporting construction for keyboard assembly Supporting construction for keyboard assembly

1979-06-04

1981-11-10

Hix, L. T.

Music

Instruments

Stringed

84186R, 84430, 84433, G10C 302

Patent

active

042991552

ABSTRACT:
A pair of key blocks bearing a keyboard assembly via an intervening frame are pivotally coupled to side boards of a musical instrument by means of pin-groove engagement, and a top board and a front cover of the instrument are both turnable upwards in order to allow free pivotal movement of the keyboard assembly. Pivotal mounting of the keyboard assembly allows easy access to its bottom construction for replacement, repairment and adjustment purposes.

REFERENCES:
patent: 2785238 (1957-03-01), Bissonette et al.
patent: 3002413 (1961-10-01), Scherer
patent: 3447414 (1969-06-01), Duca
patent: 3499971 (1970-03-01), Ohno
patent: 3543631 (1970-12-01), Ohno
patent: 3570359 (1971-03-01), Ohno
patent: 3693492 (1972-09-01), Ohno
patent: 3750522 (1973-08-01), Groves et al.
patent: 3835235 (1974-09-01), Amano
patent: 4128035 (1978-12-01), Erickson et al.
patent: 4129057 (1978-12-01), Hoshi
Radio Electronics, "Portable Mini Organ", by John S. Simonton, Jr., Jan. 1977, pp. 31-34.

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