"Ear" hearing aid
First Claim
1. A hearing aid adapted to be worn in the ear, which comprises(a) a housing receiving a sound transducer and a sound amplifier, the housing being shaped to fit into the ear and having a circumferentially extending upper rim defining an opening,(b) a mounting plate defining a space for holding a battery and a sound volume adjustment control, the mounting plate having a circumferentially extending outer rim projecting from the mounting plate into the housing opening and insertable therein, the upper housing rim and the outer mounting plate rim engaging along the entire circumference thereof, and(c) detachable fastening means connecting the upper housing rim and the outer mounting plate rim along their entire circumference and fastening the upper housing rim under radially extending fastening force to the outer mounting plate rim.
1 Assignment
0 Petitions
Accused Products
Abstract
A hearing aid adapted to be worn in the ear, comprises a housing receiving a sound transducer and a sound amplifier, the housing being shaped to fit into the ear and having an upper rim, a mounting plate defining a space for holding a battery and a sound volume adjustment control, the mounting plate having a circumferentially extending outer rim, and detachable fastening means connecting the upper housing rim and the outer mounting plate rim.
40 Citations
9 Claims
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1. A hearing aid adapted to be worn in the ear, which comprises
(a) a housing receiving a sound transducer and a sound amplifier, the housing being shaped to fit into the ear and having a circumferentially extending upper rim defining an opening, (b) a mounting plate defining a space for holding a battery and a sound volume adjustment control, the mounting plate having a circumferentially extending outer rim projecting from the mounting plate into the housing opening and insertable therein, the upper housing rim and the outer mounting plate rim engaging along the entire circumference thereof, and (c) detachable fastening means connecting the upper housing rim and the outer mounting plate rim along their entire circumference and fastening the upper housing rim under radially extending fastening force to the outer mounting plate rim.
Specification