Patent ID: 7145064

Claim:
A sound-enhancing device adapted for use with stringed instruments having a body which defines a sound chamber and an elongated sound opening with opposing side edges, which comprises: (a) an elongated fastener including a terminal retainer; (b) a first cross-shaped element and a bridge, the cross-shaped element and the bridge each defining a central hole for slideably receiving the elongated fastener; the cross-shaped element and the bridge, in assembled relation, being aligned longitudinally along the fastener; the bridge during use, straddling the opposing side edges of the sound opening and partially covering the sound chamber; and (c) means for tensioning the fastener when the cross-shaped element and the bridge are mounted within and above the sound chamber, respectively, in such a way that when the fastener is tensioned, the terminal retainer is pulled toward the cross-shaped element, sandwiching the opposing edges of the sound opening between the cross-shaped element and the bridge.