Power tube for flared bell musical instruments

Details Power tube for flared bell musical instruments Power tube for flared bell musical instruments

1978-05-24

1979-12-18

Franklin, Lawrence R.

Music

Instruments

Wind

84453, G10D 900

Patent

active

041788290

ABSTRACT:
A power tube is attachable within the bell end of a flared bell musical instrument for improving the musical sound of the instrument and for making the instrument easier to play. The power tube includes a hollow tubular member having a central axis aligned with the central axis of the instrument and including first and second open ends. The first end of the member forms an air tight seal with the interior of the instrument at a point just prior to the point where the flare of the bell of the instrument commences its rapid, outward sweep. The power tube includes a pair of diametrically opposed vents positioned near the first end.

REFERENCES:
patent: 51363 (1865-12-01), Stratton
patent: 982732 (1911-01-01), Lehnert
patent: 1702561 (1929-02-01), Santa Emma
patent: 1729336 (1929-09-01), France
patent: 2621553 (1952-12-01), Daoust
patent: 3558797 (1971-01-01), Wolford

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