Patent
1976-08-12
1977-12-06
Claffy, Kathleen H.
179100R, 179178, H04M 102
Patent
active
040618889
ABSTRACT:
A control unit mounting and interconnecting apparatus for telephone desk sets is disclosed which includes a base member including a first plate portion for receiving a printed circuit board and configured to lie within and be supported by a metallic base of the telephone desk set. The base member also includes a second plate portion for supporting a control unit, such as one having a plurality of control keys, and a plurality of walls interconnecting the first plate portion and the second plate portion and defining a recess which slips over an upturned flange of the metallic base of the telephone desk set to maintain the base member in position when installed. Structure is provided in the base member for receiving a printed circuit interconnecting element, of flexible insulating material, which provides electrical interconnections between the control unit and the printed circuit board. An access aperture is provided in the second plate portion for receiving a removable access door to allow changing of bulbs used to illuminate keys of the control unit. Electrical connections to the bulbs in the control unit are provided, in part, by a flap of the printed circuit interconnecting element which can be manipulated through the access aperture.
REFERENCES:
patent: 2544325 (1951-03-01), Johnson, Jr. et al.
patent: 3632892 (1972-01-01), McLaughlin et al.
patent: 3641286 (1972-02-01), Berezowski
Claffy Kathleen H.
Crest Industries, Inc.
Myers Randall P.
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