Tuning peg assembly

Details Tuning peg assembly Tuning peg assembly

1982-11-26

1984-06-05

Franklin, Lawrence R.

Music

Instruments

Stringed

G10D 314

Patent

active

044521200

ABSTRACT:
An adjustable clutched handle for turning the drive shaft of a tuning peg assembly on a stringed instrument, such as a guitar, and a linear extension tightening post. The clutched handle includes a tubular handle element having a transverse hole formed perpendicular to the axis of the handle element. A generally tubular adapted sleeve, keyed to the end of the drive-shaft, includes a pair of flat drive surfaces on its outer surface. A pair of pistons, sized for movement along the axial bore, are biased against the drive surfaces by a pair of springs. The springs are held in place against the pistons by an adjustable cap. When a predetermined tension has been reached, the force of the springs holding the piston against the drive surfaces is overcome to allow the handle to free-wheel about the drive shaft. The provision of a linear extension tightening post reduces the tendency for the instrument to become out of tune.

REFERENCES:
patent: 918543 (1909-04-01), Haubner
patent: 1713002 (1929-05-01), Oettinger
patent: 3023658 (1962-03-01), Gusey
patent: 3830132 (1974-08-01), Lowe
patent: 4367671 (1983-01-01), Chance et al.

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