Damper mechanism for upright piano

Details Damper mechanism for upright piano Damper mechanism for upright piano

1990-02-20

1991-06-11

Brown, Brian W.

Music

Instruments

Stringed

G10C 318

Patent

active

050223020

ABSTRACT:
The invention relates to a damper mechanism for upright piano, comprising a damper felt mounted on a damper wood, and in which the damper wood is equipped with a guide stem directionally adjusted perpendicularly to the plane of the strings and guided to move reciprocally in a bore of a block fixed on a support independent of the mechanism controlling the hammers. Members are interposed between the key and the damper guide stem for reciprocally moving the latter in response to the movement of the key.

REFERENCES:
patent: 179029 (1876-06-01), Koth
patent: 204752 (1878-06-01), Neill
patent: 426332 (1890-04-01), Schaaf
patent: 896763 (1908-08-01), Schimmel
patent: 1104282 (1914-07-01), Severy et al.
patent: 4854211 (1989-08-01), Tanaka et al.

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