Music – Instruments – Stringed
Patent
1977-08-04
1979-10-09
Hix, L. T.
Music
Instruments
Stringed
84297R, 84313, G10D 314
Patent
active
041701615
ABSTRACT:
Strings attached at one end to the body of a musical instrument are each attached by adjustable means at the other end to a rockshaft so that the other end is secured to a point of attachment on a line through the axis of the rockshaft. The rockshaft has at least one cavity and the point of attachment may be varied through the axis of the rockshaft along the line so that a turning of the rockshaft simultaneously increases or decreases or leaves unchanged the tension in each of the strings and, thus, increases, decreases or leaves unchanged the pitch of each of the strings. The adjustable means may take the form of an adjusting screw that is in threaded engagement with the rockshaft and that is provided with means for securing the end of the string thereto; and the rockshaft may have a cavity for each string, including a slot portion for access of the string and a bore for the associated screw.
REFERENCES:
patent: 3237502 (1966-03-01), Moseley
patent: 3248991 (1966-05-01), Cole
patent: 3437001 (1969-04-01), Kraft
Hix L. T,.
Schreyer S. D.
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