Music – Instruments – Drums
Patent
1979-10-09
1981-10-20
Franklin, Lawrence R.
Music
Instruments
Drums
84411R, G10D 1302
Patent
active
042954053
ABSTRACT:
A musician's drum wherein the diaphragms are tensioned by loading means extending from the diaphragm to a ring which is co-axial of the drum cylinder and is supported clear of the cylinder (shell) by struts extending to abutments near one end of the cylinder.
REFERENCES:
patent: 151797 (1874-06-01), Rawson
patent: 388806 (1888-08-01), Zoeller
patent: 504910 (1893-09-01), Cox
patent: 775711 (1904-11-01), Turney
patent: 899488 (1908-09-01), Hemberger
patent: 1254756 (1918-01-01), Wilson
patent: 1609940 (1926-12-01), Geisler
patent: 2331096 (1943-10-01), Strupe
patent: 2706925 (1955-04-01), Fendlason
patent: 3376777 (1968-04-01), Becker-Ehmck
patent: 4154136 (1979-05-01), McIntyre
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