Sound reflector for grand pianos

Details Sound reflector for grand pianos Sound reflector for grand pianos

1978-12-29

1980-07-08

Franklin, Lawrence R.

Ordnance

Automatic

Breech block lock

84182, G10C 306

Patent

active

042111420

ABSTRACT:
A sound reflector for use with a grand piano to reflect sound from the underside of the soundboard toward the rear side of the instrument, the reflector comprising a large panel of sound reflective material underlying the soundboard at an inclined angle with its uppermost side edges adjacent the undersurface of the front side wall of the instrument and with its lowermost side edge at floor level; the reflective panel may be planar or its sound reflecting surface may be convex in cross-section in one or more directions; brackets may be provided to detachably mount the panel to the front side wall of the case or the panel may be permanently attached to the case, as by means of hinges; and means may be provided to suspend the panel so that its lowermost side edge will clear the floor when the piano is moved.

REFERENCES:
patent: 390169 (1888-09-01), Hudson
patent: 890443 (1908-06-01), Norcross
patent: 2134680 (1938-11-01), Beck
patent: 2138669 (1938-11-01), Tower

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