Patent ID: 6082485
Filing Date: 2000-07-04
Classification: A61F

Abstract:
An adjustable earplug for fitting from the exterior of the body to an ear canal of a listener comprising in combination:a foam earplug body having a cylindrical exterior for conforming to an interior of the ear canal, the foam earplug body forming at least a partial aperture axially of the foam earplug body extending from the exterior of the body to and toward the ear canal;a valve seat fastened to the aperture of the foam earplug body and defining a central through aperture concentric to the aperture of the foam earplug body;an eccentric gate affixed to the valve seat;a gating member for concentric rotation on the valve seat and eccentric gating member; and,at least one sound aperture defined through the gating member for rotating into and out of registry with the eccentric gating member and the through aperture of the valve seat to selectively attenuate treble sounds passing from the exterior of the body through the adjustable earplug lodged in the ear canal.