H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 25/00 (2006.01) H04R 1/10 (2006.01)
Patent
CA 2052423
RBP File No. 680-060 ABSTRACT OF THE DISCLOSURE A wax guard system, for use with an in-the-ear hearing aid, has a housing secured to the hearing aid shell and an insert which screws into the housing. The insert has a body having an internal passage therethrough, and a bridge extending across the exterior opening of the passage. The bridge is higher at its centre than at its ends and carries a thin domed disk which shields the opening and deters wax from entering the passage.
Garbe Manfred Karl
Stork Fred J.
Bereskin & Parr
Unitron Industries Ltd.
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