Open-sided musical drum

Details Open-sided musical drum Open-sided musical drum

1987-10-26

1989-05-30

Franklin, Lawrence R.

Music

Instruments

Drums

84413, G10D 1302

Patent

active

048339644

ABSTRACT:
A drum of the type having first and second drum heads on opposite ends thereof is provided with first and second bearing hoops, each such bearing hoop being associated with a respective one of the first and second drum heads. Each bearing hoop is provided with an annular bearing ring member which communicates with a respectively associated one of the drum heads, and a bearing hoop coupling means, which is affixed to the annular bearing ring member, and has a plurality of through-holes therein. The drum is further provided with first and second counter hoops, each such counter hoop being associated with a respective one of the drum heads, and provided with an annular counter hoop ring member having an annular bearing edge for communicating with an outward side of the annular drum head ring of its associated drum head. Counter hoop coupling means are affixed to the annular counter hoop ring member and are also provided with a plurality of through-holes therein. The drum head assemblies are coupled to one another by a plurality of spacer members which define the distance between the drum head assemblies and provide acoustic coupling therebetween. The drum head assemblies are coupled to the respective ends of the spacer members by fasteners, which additionally serve as tuning members for the drum heads.

REFERENCES:
patent: 3981220 (1976-09-01), Clark
patent: 4448105 (1984-05-01), Cordes
patent: 4520709 (1985-06-01), Kester
patent: 4660455 (1987-04-01), Jones et al.
patent: 4714002 (1987-12-01), Cleland

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