Patent ID: 8217247
Filing Date: 2012-07-10
Classification: G10D

Abstract:
1. An adjustable harmonica comprising: a. a body having a plurality of cells formed therein, each cell extending to the front of said body; b. a plurality of tuned vibratable reeds disposed within said body, each reed being situated in an operative relationship to one of said cells in said body; c. a mouthpiece adjoined to the front of said body; d. said mouthpiece having a plurality of valve-chambers formed therein, each valve-chamber extending to the front of said mouthpiece, and e. said mouthpiece additionally having a cooperating plurality of groups of ducts formed therein, such that for each valve-chamber and cooperating group of ducts, each duct in said group connects said valve-chamber to one or more of said cells in said body; and f. a cooperating plurality of cup-shaped valves, one valve for each of said valve-chambers, each valve having a port formed through its side; g. where each valve is rotatably mounted within said cooperating valve-chamber such that the open end of said valve is directed toward the front of said mouthpiece and such that said port of said valve is selectively registrable with each duct in said cooperating group of ducts, by rotation of said valve, whereby a continuous air passage is selectively formed from the front of said valve-chamber, through said mouthpiece to one or more thereby selected cells.