Modular charger for hearing aid
A battery charger for a hearing aid includes a housing that defines at least one socket for receiving any one of a plurality of adapters. Each adapter closely fits and at least partially contains one hearing aid to hold the hearing aid in place during charging. The hearing aid includes a plurality of electrical contacts in a pattern and the adapter defines a plurality of apertures in the same pattern. Resilient contacts in the charger extend through the apertures in the adapter to contact the hearing aid.
1. A battery charger for hearing aids, said charger including electronics in a housing, characterized in that
the housing defines at least one socket for receiving one of a plurality of adapters; and
said one adapter closely fits at least one hearing aid;
whereby a hearing aid is held in place by the adapter during charging.
2. The battery charger as set forth in claim 1 wherein the hearing aid includes a plurality of electrical contacts in a pattern and said one adapter defines a plurality of apertures in the same pattern as the electrical contacts of the hearing aid.
3. The battery charger as set forth in claim 2 further characterized in that the charger includes resilient contacts that extend through the apertures in the adapter to provide electrical contact to a hearing aid.
4. The battery charger as set forth in claim 3 wherein the resilient contacts are molded into a plastic carrier.
5. The battery charger as set forth in claim 3 wherein said resilient contacts are leaf spring types of contacts.
6. The battery charger as set forth in claim 1 wherein said adapter resiliently holds a hearing aid.
7. The battery charger as set forth in claim 1 wherein said adapter frictionally engages a hearing aid.
8. The battery charger as set forth in claim 1 wherein said adapter is molded in more than one piece.