Piano

Details Piano Piano

1990-06-15

1992-06-23

Hix, L. T.

Music

Instruments

Stringed

84253, G10C 318

Patent

active

051233215

ABSTRACT:
An improved piano which offers improved repetitive playing characteristics, a clearly distinguishable set off pressure, and an improved player touch, enabling the player to better control the strength and sound quality produced. The piano action includes biasing means which causes a different moment of force on the hammer butt depending on the position of the hammber butt as it rotates from the rest position to the string striking position. A piano made in accordance with the present invention includes an improved bridge and soundboard arrangement at an upper end of an upright piano's plate comprising a bridge rail connected to a soundboard; a suspension bridge supported along a first edge portion of the bridge rail and supported along a second edge portion opposite the first edge portion by the plate; and a bridge bearing in contact with the suspension bridge and arranged to bear against the strings to transfer vibrations from the strings to the soundboard. This improved bridge and soundboard arrangement enables an increase in the speaking length of the strings, reduces the force transmitted to the soundboard by the strings, and allows an upright piano to only require a single bridge arrangement.

REFERENCES:
patent: 2524835 (1950-10-01), Ringholz
patent: 3946635 (1976-03-01), Atsuta
patent: 4119008 (1978-10-01), Kimble

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