Keyboard musical instrument having variable contact point betwee

Details Keyboard musical instrument having variable contact point betwee Keyboard musical instrument having variable contact point betwee

1995-03-30

1996-09-17

Stanzione, Patrick J.

Music

Instruments

Stringed

84221, G10C 318

Patent

active

055570526

ABSTRACT:
A piano has a regulating button mechanism so as to cause a jack to escape from a hammer assembly, and the regulating button mechanism has a first regulating button and a second regulating button with which the jack is selectively brought into contact; and the jack imparts a force variable in dependence on the regulating button to the hammer assembly so as to generate loud or soft tones.

REFERENCES:
patent: 2250065 (1941-07-01), Koehl
patent: 4633753 (1987-01-01), Takahashi
patent: 4704931 (1987-11-01), Nagai et al.
patent: 4744281 (1988-05-01), Isozaki
patent: 4970929 (1990-11-01), Ishida
patent: 5115705 (1992-05-01), Monte et al.
patent: 5247129 (1993-09-01), Nozaki et al.
patent: 5374775 (1994-12-01), Kawamura et al.

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