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Hearing aid comprising a contact spring arrangement

  • US 4,947,439 A
  • Filed: 03/06/1989
  • Issued: 08/07/1990
  • Est. Priority Date: 03/14/1988
  • Status: Expired due to Fees
First Claim
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1. A hearing aid comprising:

  • (a) a housing;

    (b) a battery compartment member pivotally attached to said housing, said compartment member having a recess adapted for receiving therein a battery, said compartment being adapted to pivot between closed and not closed positions;

    (c) electrical hearing aid components positioned within said housing;

    (d) a first contact positioned within said housing and adapted to contact a casing of said battery when said compartment is pivoted to its closed position;

    (e) a second contact positioned within said housing and adapted to contact a face of said battery in substantially non-wiping relation when said compartment is pivoted to its closed position; and

    (f) an arm positioned within said housing, said arm being biased to extend out from said housing so as to prevent said contacting between said battery and said second contact whenever said battery compartment is in a position other than its closed position.

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