Patent ID: 8378190
Filing Date: 2013-02-19
Classification: G10C

Abstract:
1. A piano frame comprising: a main plate having a first major surface for supporting piano strings and an opposite second major surface for supporting a soundboard; a first elongate anchor zone on the first major surface of the main plate for anchoring one end of bass strings; a second elongate anchor zone on the first major surface of the main plate, spaced apart from the first anchor zone, for anchoring the other end of the bass strings; a third elongate anchor zone on the first major surface of the main plate for anchoring one end of treble strings; a fourth elongate anchor zone on the first major surface of the main plate, spaced apart from the third anchor zone, for anchoring the other end of the treble strings; at least one opening in the main plate between the third anchor zone and the fourth anchor zone; and one or more bracing members fixedly connected to the main plate and extending between the third anchor zone and the fourth anchor zone, the one or more bracing members being located wholly between a plane defined between the third and fourth anchor zones and a plane defined by the second major surface of the main plate.