Adjustable counter-tensioning mechanism for stringed instrument

Details Adjustable counter-tensioning mechanism for stringed instrument Adjustable counter-tensioning mechanism for stringed instrument

1990-05-11

1991-01-15

Brown, Brian W.

Music

Instruments

Stringed

G10D 300

Patent

active

049844938

ABSTRACT:
A counter-tensioning mechanism for use with a tremolo device attached to a guitar or similar stringed musical instrument includes a moveable spring anchor for attachment to the ends of springs attached at their other ends to the string anchor of the device. Movement of the spring anchor in one direction or the other to increase or decrease the spring forces applied to the string anchor is effected by two parallel counter-rotating threaded shafts threadably engaging the spring anchor and driven in unison by two gears fixed to the shafts and drivingly connected with a manually rotatable third gear rotatable about a third axis preferably perpendicular to the plane of the first and second axes.

REFERENCES:
patent: 4512232 (1985-04-01), Schaller
patent: 4656916 (1987-04-01), Gressett, Jr.
patent: 4941384 (1990-07-01), Jager

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