PIANO KEYBOARD MECHANISM Russian patent published in 2024 - IPC G10D3/16 

FIELD: musical instruments.

SUBSTANCE: invention relates to keyboard musical instruments. Essence of the invention consists in the fact that a flexible capstan is installed on the figure; flexible capstan consists of two parts: from the lower part of the capstan with the protrusion and the upper part of the capstan; upper and lower parts of the spiller are glued to the plate capsule made of polyurethane or the plate capsule can be made from another synthetic material, reinforcement in the form of capron, nylon, synthetic fabric or metal mesh is built into the plate capsule; for smooth movement in the bend of the plate capsule, a hole is made, the plate capsule has retainers, a pin with a protrusion is installed in one retainer on the glue, and the upper part of the pin is installed on the other retainer; a rehearsal spring is installed in the hole of the upper part of the spiller, the other end of the rehearsal spring is fixed to the figure with a screw, a support is installed on the figure, a rehearsal spring is placed on the support, a gasket from a soft material is installed on the shulter, springs are installed on the rear and front bars, the springs are in contact with the key, plates are installed in the spring to ensure spring elasticity adjustment, the plates are connected by a screw; to reduce friction to a minimum on the pad of the shaped protrusion, in the upper capsule of the key, in the lower capsule of the key.

EFFECT: providing higher accuracy of reflection of rhythmic pattern and dynamic flexibility of sound palette.

7 cl, 6 dwg