Concert harps

Details Concert harps Concert harps

1983-08-09

1986-07-15

Fuller, Benjamin R.

Music

Instruments

Stringed

84214, G10D 104, G10C 304

Patent

active

045999317

ABSTRACT:
A concert harp including a mechanism for shortening the vibrating length of the strings for setting the instrument tuned scale up.
According to the invention, the stress which is immobilizing a point of string (11) in order to modify the vibrating length thereof is provided by a powered element displaceable perpendicularly to the string along a path intersecting the string substantially at the pinching point, particularly a hydraulic micro-jack (1a, 1b).
The invention simplifies the mechanism and provides a silent operation.

REFERENCES:
patent: 2812681 (1957-11-01), Carron
patent: 3494238 (1970-02-01), Crites
patent: 3739680 (1973-06-01), Christiansen
patent: 3853030 (1974-12-01), Petutschnigg

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