Grooved drum body construction

Details Grooved drum body construction Grooved drum body construction

2005-07-26

2005-07-26

Lockett, Kimberly (Department: 2837)

Music

Instruments

Drums

Reexamination Certificate

active

06921854

ABSTRACT:
A metallic drum shell has grooves which enhance its acoustical properties to provide a warmer and less harsh sound. The grooving can be a continuous spiral groove formed in the outside surface of the drum shell. The grooves can be formed with selected depths, widths, contours and frequencies in order to achieve the desired fundamental pitch, resonance and overtone suppression.

REFERENCES:
patent: 4045264 (1977-08-01), Ludwig et al.
patent: 4137815 (1979-02-01), Kloc
patent: 5981858 (1999-11-01), Jeng
patent: 6515208 (2003-02-01), Cleland

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