Patent ID: 8054985
Filing Date: 2011-11-08
Classification: A61F

Abstract:
1. A hearing protection device, comprising: a sound attenuating portion configured to be disposed within an ear canal of a user to obstruct a passage of sound; a channel formed through the sound attenuating portion configured to allow sound to pass through the sound attenuating portion when the portion is disposed within the ear canal; a tube disposed in the channel and configured to allow the sound in the channel to pass therethrough; and a filter disposed at one end of the tube and positioned at an interior of the sound attenuating portion; wherein the filter has a surface area greater than a cross-sectional area of the tube and attenuates some of the sound passing through the tube, and wherein the filter includes side edges that extend beyond an outer diameter of the tube and that are disposed in a friction fit between an outer surface of the tube and a surface of the sound attenuating portion delimiting the channel, such that the end of the tube is covered by the filter.