92 key piano

Details 92 key piano 92 key piano

2005-04-05

2005-04-05

Lockett, Kimberly (Department: 2837)

Music

Instruments

Stringed

Reexamination Certificate

active

06875909

ABSTRACT:
A versatile, high performance grand piano includes a keyboard having 92 keys thereon as opposed to the conventional 88 keys found on most pianos. Furthermore, each key hammer strikes four dedicated strings as opposed to the three shared strings found on conventional pianos. The string construction eliminates the need for string sets to be shared with adjacent keys so that tuning or breakage of a string only affects a single key as opposed to adjacent keys.

REFERENCES:
patent: 3757024 (1973-09-01), Stinson et al.
patent: 4130044 (1978-12-01), Yamada et al.
New Orleans Magazine (v27, n9, p112(2) Jun. 1993).*
Bosenforfer pianos v68 n3m p77, p.1 Mar. 2001.

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