Patent ID: 8385577
Filing Date: 2013-02-26
Classification: H04R

Abstract:
1. A hearing apparatus, comprising: a bore with an inner diameter; a sound tube that is inserted into the bore for transmitting a sound; and a hearing device shell in which the bore is located, and wherein the shell is configured to rotate about the sound tube, wherein one end of the sound tube is configured to have an outer diameter that is larger than the inner diameter of the bore, wherein the one end of the sound tube is spaced within the bore by at least a distance such that the one end of the sound tube is completely accommodated within an interior of the bore, wherein the one end of the sound tube is heated in order to obtain the larger outer diameter, and wherein one end of the bore has a conical shape, wherein the one end of the sound tube has a conical shape, and wherein the conical shape of the bore is larger than the conical shape of the sound tube such that the sound tube is completely accommodated within the conical shape of the bore.