Music – Instruments – Stringed
Patent
1985-01-31
1987-04-14
Franklin, Lawrence R.
Music
Instruments
Stringed
G10D 300
Patent
active
046569162
ABSTRACT:
A guitar body is provided having a bridge plate pivotally mounted thereon, for example, by knife elements. Thus, when the bridge plate is pivoted in response to operation of a tremolo arm there will be a tremolo action in the guitar strings. The guitar body has a recess therein, which contains springs extending generally longitudinally of the guitar strings. One end of each spring is connected to the bridge plate, while the other end is connected to a yoke that is rotatably associated with a shaft extending generally longitudinally of the guitar strings. The shaft extends through the guitar body to one end thereof, so that it can be rotated in response to operation of a wrench. Upon turning of the wrench, the yoke moves along the shaft to adjust the spring tension of springs and thus the resistance to pivotal movement of the bridge plate.
REFERENCES:
patent: D203879 (1966-02-01), Burns
patent: 519914 (1894-05-01), Koeth
patent: 2741146 (1956-04-01), Fender
patent: 2972923 (1961-02-01), Fender
patent: 3181409 (1965-05-01), Burns et al.
patent: 4106387 (1978-08-01), Alifano
patent: 4137812 (1979-02-01), Franzmann
patent: 4157050 (1979-06-01), Lashley
patent: 4354417 (1982-10-01), Glaser, II
patent: 4383466 (1983-05-01), Shibuya
patent: 4475432 (1984-10-01), Stroh
patent: 4512232 (1985-04-01), Schaller
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