Bridge and tuning mechanism for stringed instruments

Details Bridge and tuning mechanism for stringed instruments Bridge and tuning mechanism for stringed instruments

1986-02-24

1987-12-15

Franklin, Lawrence R.

Music

Instruments

Stringed

84267, 84299, 84313, G10D 314

Patent

active

047124636

ABSTRACT:
Located on the body as distinguished from the headstock of an instrument such as a guitar is a combined bridge, string lock and fine tuner. The upper end of each string is attached to the headstock. The lower end is fixed to a ratchet thumbwheel rotatable on a transverse axle mounted in a body fixed to the instrument. By turning the ratchet wheel a rough adjustment of string tension is made. A fine tuning knob controls the pawl of the ratchet for precise turning of the ratchet wheel. A slide is longitudinally adjustable in a groove in the upper end of the body. A screw is threaded into the slider and formed with a slot for the string. The screw stops the vibrating length of string.

REFERENCES:
patent: 361500 (1887-04-01), Gardner
patent: 521286 (1894-06-01), Heredia
patent: 575071 (1897-01-01), Simon
patent: 3251257 (1966-05-01), Bunker
patent: 4608904 (1986-09-01), Steinberger
patent: 4638711 (1987-01-01), Stroh

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