Telephonic communications – Terminal – Switch or switch actuator structure
Patent
1985-03-25
1987-04-14
Rubinson, Gene Z.
Telephonic communications
Terminal
Switch or switch actuator structure
379424, 379425, 379427, 379436, H04R 102, H04R 106, H04R 126
Patent
active
046584218
ABSTRACT:
A stand for a telephone set comprises an open-bottomed housing providing at its top a handset cradle to the rear of a housing upper wall slanting up towards the cradle and having a large aperture in it. A keypad has keys projecting outward within the aperture and, also, an upwardly slanting cover framed by the aperture. The keypad is secured to the housing by screws passing through support tabs at the side margins of the aperture and into the casing. A faceplate covers the heads of those screws. A printed wiring board with printed wire conductors and bulk telephone set components on, respectively, its upper and lower sides is secured beneath and to the keypad to be spaced from, and have the same upward slant as, the keypad. Mounted on the rear of the board is a line switch with a spring biased pivotable actuating lever. The outer end of that lever is coupled by a slidable bearing lost motion contact with the central part of an "H" shaped rocker member disposed above the lever and pivotable about an axis frontward of the lever's pivot axis. The rocker member has rearwardly extending arms bearing against the bottoms of plungers slidable in guide holes in the housing to project above the bottom of the cradle and be driven down into the housing when, respectively, a handset is not in and is in the cradle. The yieldable spring bias in the switch lever is transmitted via the rocker member to the plungers. The housing's bottom is closed by a base plate having no components mounted in or on it.
REFERENCES:
patent: 2566840 (1951-09-01), Krumreich
patent: 2972021 (1961-02-01), Bryant et al.
patent: 3406263 (1968-10-01), Klenk et al.
patent: 3627930 (1971-12-01), Tolman
patent: 4040120 (1977-08-01), Geadah
patent: 4124785 (1978-11-01), Seretny et al.
patent: 4365118 (1982-12-01), Lindman et al.
patent: 4394545 (1983-07-01), Doyle et al.
AT&T - Technologies, Inc.
AT&T Company
Byrd Danita R.
Kip, Jr. R. F.
Newman Harry L.
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