Torsion arm, connecting rod and coil configuration improvements for acoustic guitars and other stringed instruments
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United States of America Patent
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Jun 9, 2020
Grant Date -
Sep 20, 2018
app pub date -
Apr 18, 2018
filing date -
Sep 28, 2016
priority date (Note) -
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Abstract
A sound resonator device for internal connection to a guitar or other musical instrument that has strings tensioned over any type of bridge piece. The resonator device includes a torsion arm affixed to a sound board of the instrument from which is connected one or more involute coil sets, and a connecting rod. A first version employs coils having a circular section. A second variety uses at least one, thicker ribbon shaped coil configuration.
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