US 11,838,729 B2
Flexible ear piece for hearing aid
Ib Marcher, Lynge (DK); and Kasper Holkved Rasmussen, Lynge (DK)
Assigned to Widex A/S, Lynge (DK)
Filed by Widex A/S, Lynge (DK)
Filed on Jun. 12, 2018, as Appl. No. 16/006,275.
Claims priority of provisional application 62/520,772, filed on Jun. 16, 2017.
Prior Publication US 2018/0367925 A1, Dec. 20, 2018
Int. Cl. H04R 25/00 (2006.01); H04R 1/10 (2006.01)
CPC H04R 25/656 (2013.01) [H04R 1/1016 (2013.01); H04R 25/654 (2013.01); H04R 2225/025 (2013.01); H04R 2460/11 (2013.01)] 23 Claims
OG exemplary drawing
 
1. An ear piece adapted for insertion into the ear canal of a user, and for providing acoustic insulation between the inner part of the ear canal and the surroundings, the ear piece comprising an ear tip with a stem and a shroud, the stem defining a sound conduit with an adapter for engaging a sound feeder and a sound output opening, and the shroud having a generally ball-shaped hollow bulb made of soft resilient material, the bulb having an axis generally along the intended direction of insertion into the ear canal, wherein a portion of said bulb includes the bulb includes pleats extending generally parallel to the axis, and webs bridging the spaces between valleys in the pleats for sealing against passage of air along the valleys, and wherein the shroud is oval as seen in a direction along the axis, and wherein the bulb is rotatable relative to the sound feeder around the axis of the sound conduit.