RESONATOR BOX FOR HARP AND METHOD OF ITS MANUFACTURING Russian patent published in 2015 - IPC G10D1/04 

FIELD: packaging industry.

SUBSTANCE: intended for use in musical instruments. The resonator box (4) comprises a deck (5) connected to the hollow body (6) comprising a support structure (9-11), which is conned ted to the outer casing (12). The support structure (9-11) comprises a bottom wall or bottom of the box and an upper element or the upper unit, a central longitudinal rail or a backrest (9), and two side rails or planks (10) that extend between the bottom of the box and the upper unit, remote and adjacent to the deck (5). The resonator box comprises a plurality of longitudinally spaced transverse elements or reinforcement ribs (11), each of which is connected in the middle with the backrest (9) and which ends (11b) are connected to the lateral planks (10). The ribs (11) are at least partially glued to the inner surface of the said casing (12). The rails (9, 10) and the ribs (11) have respective parts for mutual engagement, having mating transverse profiles, at least partially penetrating into each other.

EFFECT: increased structural stability of the box is provided, the rigidity to bending and rotation, which positively affects the tone structure of the instrument.

8 cl, 7 dwg