Pedal adjustable drum

Details Pedal adjustable drum Pedal adjustable drum

1979-08-20

1981-07-14

Hix, L. T.

Music

Instruments

Drums

84419, 84421, G10D 1302

Patent

active

042780039

ABSTRACT:
A drum is adjustable in pitch by a pedal assembly connected by a wire cable to an actuating lever. The lever causes pressure to be exerted against a tension-adjusting ring over which the drumhead is stretched. The pedal may be locked in any selected position to maintain the desired pitch, and the height of the drum is adjustable without adjustment of the cable linkage. A drum which is adjustable in pitch by rotation of the drum shell can thus be made adjustable by use of a pedal as well. The assembly for exerting pressure against the tension-adjusting ring is designed to be retro-fitted to certain types of existing drums to permit use therewith without the need for extensive modifications.

REFERENCES:
patent: 1356198 (1920-10-01), Danly
patent: 1458905 (1923-06-01), Leedy
patent: 1561789 (1925-11-01), Ludwig et al.
patent: 1722032 (1929-07-01), Bower
patent: 1755569 (1930-04-01), Strupe
patent: 1845625 (1932-02-01), Robison
patent: 1853466 (1932-04-01), Sigler
patent: 1892223 (1932-12-01), Sansone et al.
patent: 2074194 (1937-03-01), Strupe
patent: 2198406 (1940-04-01), Deans
patent: 2205593 (1940-06-01), Jeffries
patent: 2261119 (1941-11-01), Ludwig et al.
patent: 2548271 (1951-04-01), Percy
patent: 2564933 (1951-08-01), Somerville
patent: 3021743 (1962-02-01), Ludwig
patent: 3163075 (1964-12-01), Toperzer
patent: 3215021 (1965-11-01), Kester
patent: 3279299 (1966-10-01), Murbach
patent: 3685389 (1972-08-01), Bemben
patent: 3701834 (1972-10-01), Rubio
patent: 3747463 (1973-07-01), Hinger
patent: 3797356 (1974-03-01), Duffy et al.
Ludwig Catalog No. 75-1, Published by Ludwig Drum Company, 1974, p. 55.
Slingerland Catalog 69, Published by Slingerland Drum Company, 1968, p. 40, "The Ball-Bearing Clutch".

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