Patent ID: 8183449

Claim:
A tuneable clarinet barrel joint for arrangement between a mouthpiece and an upper joint of a clarinet, the tunable clarinet barrel joint having a longitudinal axis and a bore which runs in the longitudinal axis, comprising: an upper part and a lower part, the upper part and the lower part being arranged for connection in the longitudinal axis; a set collar connecting the upper part and the lower part such that the distance between the upper part and the lower part is adjustable; screw threads connecting the set collar to both the upper part and the lower part, the screw threads being pitched with opposing directions of rotation; a projecting connecting sleeve of the upper part for insertion into the lower part; and ring nuts at both the upper and the lower part which form part of the screw threads and which form the opposite ends of a hollow space between the upper part and the lower part below the set collar, wherein the ring nuts are exactly fitted into recesses of each the upper part and lower part such that formation of a gap on the inside along the bore as well as on the outside of the clarinet is prevented.