Music – Instruments – Wind
Patent
1979-12-26
1982-03-23
Franklin, Lawrence R.
Music
Instruments
Wind
84330, 84382, 84384, G10D 904
Patent
active
043206867
ABSTRACT:
A wind instrument having a mouthpiece connected to the inner end of a tube forming an elongated resonating chamber, the tube being provided with a slot along virtually its entire length, and an elongated flexible strip closure member having its inner end fixed to the tube adjacent to the mouthpiece and the strip overlying the slot, the outer end of the strip being fixed to the tube structure adjacent to its outer end. Resilient sealing means are provided between the lower face of the strip and the slot walls whereby the closure strip closes the chamber from the mouthpiece end to a selected point where the user digitally depresses the strip into sealing relation with the slot walls, thus creating a resonating chamber of selected length, as determined by the positions of the user's finger. The upper surface of the strip is smooth, permitting the user to produce glissando or bending of notes, and the strip itself is desirably of thin metal, preferably of upwardly concave transverse section to enhance longitudinal stiffness. If the strip is made wider, however, it may be stiff enough that it can be of flat cross-section.
REFERENCES:
patent: 1395107 (1921-10-01), Hawk
patent: 1505597 (1924-08-01), Mann
patent: 1556950 (1925-10-01), Mann et al.
patent: 1568460 (1926-01-01), Legler et al.
patent: 1722249 (1929-07-01), Lazare et al.
"The International Musician", Aug. 1924, p. 2.
Franklin Lawrence R.
Glenny William W.
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