Patent ID: 7186907
Filing Date: 2007-03-06
Classification: G10C

Abstract:
1. In a piano key assembly for a pianoforte for causing a musical tone to be played by the pianoforte, said key assembly comprising, in combination: a) an elongate keystick having two ends, one end of said keystick being adapted to be depressed by a human finger; b) a fulcrum for holding said keystick at a pivot point substantially midway between said two ends; c) at least one weight arranged on said keystick to impart a desired static downweight thereto, said at least one weight having a center of gravity; the improvement wherein said center of gravity of said at least one weight is arranged on said keystick between a first point along said keystick, halfway between said pivot point and said one end, and a second point along said keystick halfway between said first point and said pivot point, thereby to improve the dynamic response of said keystick.