Music – Instruments – Wind
Patent
1990-01-10
1991-03-05
Franklin, Lawrence R.
Music
Instruments
Wind
84392, G10D 710
Patent
active
049969021
ABSTRACT:
A musical wind instrument, comprising a cylindrical barrel having an inlet hole (3) communicating with the mouthpiece (1) of the instrument, an outlet hole (5) communicating with the bell (12), a branch hole (6), a return hole (7), the branch hole (6) communicating with the return hole (7) via a circuit (13) for changing of tonality, and means (15, 16) for putting of the inlet hole (3) into communication selectively with the outlet hole (5) or with the branch hole (6), wherein the inlet hole (3) and the outlet hole (5) are at different levels along the axis (X,X') of the barrel.
REFERENCES:
patent: 105059 (1870-07-01), Fietz
patent: 4299156 (1981-11-01), Thayer
patent: 4336738 (1982-06-01), Alexander
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