Music – Instruments – Stringed
Patent
1980-09-08
1983-01-11
Franklin, Lawrence R.
Music
Instruments
Stringed
84458, G10D 314
Patent
active
043676715
ABSTRACT:
An adjustable clutched handle for turning the drive shaft of a tuning peg assembly on a stringed instrument, such as a guitar, is disclosed. The clutched handle includes a tubular handle element having a transverse hole formed perpendicular to the axis of the handle element. A generally tubular adapter 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 pre-determined tension has been reached, the force of the springs holding the piston against the drive surfaces is overcome to allow the handle to freewheel about the drive shaft.
REFERENCES:
patent: 918543 (1909-04-01), Haubner
patent: 2601799 (1952-07-01), Garwood
patent: 3023658 (1962-03-01), Gusey
patent: 3813983 (1974-06-01), Paul
Chance Slim
Gray William T.
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