KEY MECHANISM OF PIANO Russian patent published in 2003 - IPC

Abstract RU 2201622 C1

FIELD: musical instruments. SUBSTANCE: hammerbank has platform with through hole for free travel of spiller with protrusion on end covered with suede, with screw possessing core. EFFECT: enhanced efficiency of playing piano. 1 dwg

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RU 2 201 622 C1

Authors

Zhmotov I.N.

Golovkin N.A.

Dates

2003-03-27—Published

2002-01-25—Filed