Tuning key for stringed instruments

Details Tuning key for stringed instruments Tuning key for stringed instruments

1975-09-05

1977-02-01

Tomsky, Stephen J.

Music

Instruments

Stringed

84305, G10D 314

Patent

active

040056287

ABSTRACT:
A head piece, for grasping by a musician, having a stem joined thereto, the stem having elongated teeth which are formed thereon and disposed radially with respect to the longitudinal axis of the stem and head piece. A ratchet body having a bore therethrough is placed over a spindle, and the spindle is threaded into the head piece such that the spindle and head piece are rotatable as a unit. The ratchet body has elongated teeth formed thereon which are radially disposed about the bore of the ratchet body and which mesh with the teeth formed on the stem. The meshing teeth allow rotation of the head piece and spindle in one direction only with respect to the ratchet body, thereby causing a string of a musical instrument attached to the spindle to be wound about the spindle and secured in a taut condition.

REFERENCES:
patent: 639341 (1899-12-01), Beauvais
patent: 1135314 (1915-04-01), Oberhoffer
patent: 1351616 (1920-08-01), Burke
patent: 1422738 (1922-07-01), Caspari
patent: 3459092 (1969-08-01), Thompson

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