Antithetic and unique spring assembly, in particular used for concertina category musical instruments
A technology of accordion and duality, which is applied to wind instruments, accordions, musical instruments, etc., and can solve problems such as unsatisfactory inertial noise
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[0041] In FIG. 1, a prior art bellows transom 10 supporting a plurality of modules 12 is shown. Each assembly comprises a reed frame 14 having two windows provided through said reed frame, a reed 18 fixed to each face of the reed frame opposite the respective windows, Each reed has a base 20 and a tongue 42 which is free to vibrate in the associated window.
[0042] Each root 20 is preferably fastened to the reed frame by a rivet 24 which has the advantage that it cannot be unscrewed under the effect of vibrations.
[0043] Between the reed and the window, on the entire perimeter, a hole of very small size is designed, and each reed is bent outwardly of the reed holder so that the gap between the reed plane and the reed holder plane A gap i is set between them.
[0044] Thus when the airflow blows to the reed, it splits on the edge of the tongue and flows into the slit. Thus, when the air flow is forced into the gap, the tongue begins to vibrate in such a way that the reed ...
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