Drum having internal double acting control to provide variable p

Details Drum having internal double acting control to provide variable p Drum having internal double acting control to provide variable p

1980-06-17

1982-02-09

Franklin, Lawrence R.

Music

Instruments

Drums

84419, G10D 1302

Patent

active

043144985

ABSTRACT:
A drum with adjustable tension on the drum head in which the adjustment mechanism includes a pedal operating a device adapted to pull a spider within the drum. The legs of the spider are pivoted on the drum body and extend to the exterior. A ring pressing up beneath the head in the interior of the body of the drum is operably attached to the spider legs interior of the pivot point between the leg and the drum body, and members attached to the drum head exterior of the body are pivoted to the legs exterior of the pivot point so that a double acting tension is applied by use of the pedal.

REFERENCES:
patent: 1892223 (1932-12-01), Sansone et al.
patent: 3685389 (1972-08-01), Bemben
patent: 3951032 (1976-04-01), La Porta et al.
patent: 4023462 (1977-05-01), Denov et al.
patent: 4228721 (1980-10-01), Hancox

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