Adjustable bottom closure for a resonator on sound bar type perc

Details Adjustable bottom closure for a resonator on sound bar type perc Adjustable bottom closure for a resonator on sound bar type perc

1984-11-09

1986-02-18

Franklin, Lawrence R.

Music

Instruments

Rigid vibrators

84349, G10D 1308

Patent

active

045705259

ABSTRACT:
A bottom closure for resonator of a sound bar on percussive musical instruments has a radially expandable construction for uniform pressure contact of a gasket with the resonator inner wall. Ideal follow-up of the bottom closure to the current shape of the resonator bottom end resulted from its elastic deformation assures almost perfect air leak prevention under any conditions.

REFERENCES:
patent: 520344 (1894-05-01), Weigle
patent: 1173784 (1916-02-01), Deagan
patent: 2307104 (1943-01-01), Bossard
patent: 2452897 (1948-11-01), Bossard

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