Music – Instruments – Stringed
Patent
1999-04-16
2000-02-29
Nappi, Robert E.
Music
Instruments
Stringed
84307, G10D 304
Patent
active
060311657
ABSTRACT:
An adjustable bridge, according to the present invention, includes a bridge base having a lower edge shaped to conform to the top surface of the sound box of the instrument with which the bridge is to be used. The base includes an elongate fitting slot located at a top edge of the base. The fitting slot having a longitudinal axis extending in a direction substantially perpendicular to strings of a stringed instrument. Each end of the elongate slot has an inclined surface extending downwardly and away from the base. A saddle is also provided, which is sized to fit snugly within the slot of the base. The bottom edge of the saddle is shaped at both ends with an inclined surface which extends upwardly and away from the saddle. A pair of wedges are positioned in the slot of the base between the base and the saddle. Each wedge has an upper edge which conforms with the inclined surface of the saddle, and a lower edge which conforms with the inclined surface of the base. A pair of set screws are mounted in the ends of the base. The set screws are positioned to engage an outer edge of the wedge to drive the wedge between the saddle and the bridge base. By moving the wedges, the height of the saddle with respect to the bridge base, can be adjusted.
REFERENCES:
patent: 3563126 (1971-02-01), Connington
patent: 5271307 (1993-12-01), Pollock
Conover Richard C.
Hsieh Shih-yung
Nappi Robert E.
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