Keyboard musical instrument equipped with hammer stopper impleme

Details Keyboard musical instrument equipped with hammer stopper impleme Keyboard musical instrument equipped with hammer stopper impleme

1997-09-09

1999-09-07

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84171, 84236, 84240, G10C 318, G10D 1500, G10H 134

Patent

active

059490136

ABSTRACT:
A keyboard musical instrument is a compromise between an upright piano and an electronic keyboard, and a hammer stopper is provided between hammer shanks and sets of strings; the hammer stopper has cushion members on a stopper rail where the hammer shanks rebound before a strike against the strings, and a pair of parallelogram crank mechanisms are connected to both end portions of the stopper rail so as to project the cushion members into and retract them from the trajectories of the hammer shanks, thereby decreasing space occupied by the cushion members.

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