Tensioning device for a drum head

Details Tensioning device for a drum head Tensioning device for a drum head

1984-11-21

1986-02-18

Franklin, Lawrence R.

Music

Instruments

Drums

84411R, G10D 1302

Patent

active

045705267

ABSTRACT:
A tensioning apparatus for adjusting the tension of the bottom head of a drum, by acting at the top of the drum. A movable element pivots up and down on the body of the drum. A bolt, which engages the bottom drum head tightening hoop of the drum, is threadedly connected to a pin which is anchored at the lower jaw of the movable element. A threaded rod, connected to the upper jaw of the movable element, extends upwardly. The connection to the threaded rod is further from the pivot pin of the movable element than is the connection to the pin for the bolt. An adjustment nut with a threaded bore receives the threaded rod and the nut extends to the top of the drum. A coarse tension adjustment in the bottom drum head is set with the bolt, and a fine adjustment is set by rotating the nut at the top of the drum.

REFERENCES:
patent: 1077347 (1913-11-01), Hoskins
patent: 1561789 (1925-11-01), Ludwig et al.
patent: 2132105 (1938-10-01), Gladstone
patent: 2172578 (1939-09-01), Gladstone
patent: 3163076 (1964-12-01), White
patent: 4373419 (1983-02-01), Tuttrup
patent: 4506586 (1985-03-01), Brewer

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