Music – Instruments – Stringed
Patent
1975-08-18
1977-12-27
Tomsky, Stephen L.
Music
Instruments
Stringed
84298, 84307, G10D 306, G10D 304
Patent
active
040647803
ABSTRACT:
A stringed instrument having a fretboard with a sawtooth surface profile with the crests of the teeth in the normal fret positions.
Optionally the instrument may have a rotatable nut of generally cylindrical form having a plurality of annular grooves therein, one groove for each string of the instrument. The nut is so mounted or the grooves are so shaped that on rotation of the nut, the heights of the strings from the surface of the fretboard are varied simultaneously.
REFERENCES:
patent: 463954 (1891-11-01), Middlebrooke
patent: 1188983 (1916-06-01), Nonfris
patent: 1253550 (1918-01-01), Wilkins
patent: 1472943 (1923-11-01), Shaeffer
patent: 1475345 (1923-11-01), Lambert et al.
patent: 2469582 (1949-05-01), Strong
patent: 2816469 (1957-12-01), Gossom
patent: 2959085 (1960-11-01), Porter
patent: 3443467 (1969-05-01), Richards
patent: 3481238 (1969-12-01), Veres
patent: 3787600 (1974-01-01), Muncy
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