Tension equalizer

Details Tension equalizer Tension equalizer

2007-05-24

2009-08-25

Qin, Jianchun (Department: 2832)

Music

Instruments

Stringed

C084S29700S

Reexamination Certificate

active

07579536

ABSTRACT:
In one embodiment, a device includes: first, second, and third paired-strand levers each configured to receive a pair of tensile strands at locations spaced apart from one another along the paired-strand lever; first, second, and third fulcrums each supporting a corresponding one of the paired-strand levers between the tensile strand receiving locations; a fourth lever linked to the first and second paired-strand levers through the first and second fulcrums, respectively, at secondary lever link locations spaced apart from one another along the fourth lever; a fourth fulcrum supporting the fourth lever between the secondary lever link locations; a fifth lever linked to the third paired-string lever and the fourth lever through the third and fourth fulcrums, respectively, at primary lever link locations spaced apart from one another along the fifth lever; and a fifth fulcrum supporting the fifth lever between the primary lever link locations.

REFERENCES:
patent: 2254012 (1941-08-01), Kudo
patent: 3695137 (1972-10-01), Eurich

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