Blade sharping device for a lever harp

Details Blade sharping device for a lever harp Blade sharping device for a lever harp

1998-06-12

2000-06-27

Donels, Jeffrey

Music

Instruments

Stringed

G10D 104

Patent

active

060809213

ABSTRACT:
A sharping device for shortening the length of a vibrating string on a lever harp is described. The device consists of an adjustable, freestanding fret in combination with a plastic, rotating blade sharping lever, which the harp player activates by the push of one finger. When rotated, the lever causes a vibrating string to be stopped against the fret. Both lever and fret are located along the neck of a harp so as to raise the frequency of a vibrating string by one semitone.

REFERENCES:
patent: 1105879 (1914-08-01), Clark
patent: 3739680 (1973-06-01), Christiansen
patent: 4936182 (1990-06-01), Bunker
patent: 5140883 (1992-08-01), Fay

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