Panel displays, framed lighted switch actuators therefor

Details Panel displays, framed lighted switch actuators therefor Panel displays, framed lighted switch actuators therefor

1987-01-20

1987-12-01

Feinberg, Craig R.

Illumination

With switch plate or socket

362800, 200315, F21V 3300

Patent

active

047108584

ABSTRACT:
Backlighting from a circuit board mounted below a panel display is prevented from seeping around the edges of control actuators which rely on the backlighting to illuminate legends on the face of the actuators. A continuous frame and a layer of foam are disposed about the periphery of the actuators for blocking the seepage of backlighting and half bearings are fixedly attached to the actuators in a manner permitting rotation of the actuators within openings in an escutcheon plate even though the frame is attached to the periphery of the actuators.

REFERENCES:
patent: B470899 (1976-03-01), Ohashi
patent: 3598950 (1971-08-01), Ohashi
patent: 4191873 (1980-03-01), Woodard
patent: 4347417 (1982-08-01), Sorenson
patent: 4454400 (1984-06-01), Sorenson
patent: 4480292 (1984-10-01), Schuder

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