Mechanical innovations for resonator guitars and other musical i

Details Mechanical innovations for resonator guitars and other musical i Mechanical innovations for resonator guitars and other musical i

1997-05-13

1998-07-14

Spyrou, Cassandra C.

Music

Instruments

Stringed

G10D 302

Patent

active

057807582

ABSTRACT:
A guitar or similar musical instrument with a resonator cone insert has been improved in several respects. My improvements include the development of a structural support ring made of graphite with circumferentially aligned strengthening fibers integrated within the circumference of the support structure, a sealing ring for sealing the cone cover in the structural support ring, the sealing ring being tubular in cross section and compressed to a figure-8 cross section to create additional pressure for holding the cover plate in place securely and eliminating "rattling" of the cover plate to distract from the sound of the instrument. Another feature of the design of the present invention is the provision of a interlocking connection between the structural support ring and the resonator support ring which allows one to change the size, shape and configuration of the resonator support ring to create different sounds. Further, my invention includes a section of the butt of the instrument bevelled at an angle to the plane of the face of the instrument to facilitate variations in string tension which will allow variations in the tonal quality and output of the instrument. An alternative structure provides for a cantilevered tail piece, the angle of which can be varied, in order to vary the pressure on the bridge and saddle of the instrument. Finally, my design includes variations in the ports contained within the instrument in order to improve the quality of output. I also provide a new and improved tuning machine roller which can be of variable diameter to allow tuning of the instrument in a more defined manner even when strings of different materials or diameters are used.

REFERENCES:
patent: 880137 (1908-04-01), Lang
patent: 3931753 (1976-01-01), Dopera

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