Backlit control actuator

Details Backlit control actuator Backlit control actuator

1990-06-18

1992-03-10

Lazarus, Ira S.

Illumination

Illuminated scale or dial

362 29, 362 95, 200315, 200333, 116286, G01D 1128

Patent

active

050954091

ABSTRACT:
A backlit control actuator includes a substrate of translucent material having a front surface with a three-dimensional symbol integrally formed thereon, and a boot of opaque, relatively soft material which is molded around the substrate so that an upper surface of the symbol is flush with an outer surface of the outer covering to permit light transmitted from the control device to backlight the symbol.

REFERENCES:
patent: 2109790 (1938-03-01), Batcheller
patent: 3053337 (1962-09-01), Proharka et al.
patent: 3296404 (1967-01-01), Stevens
patent: 4012632 (1977-03-01), Stone
patent: 4172973 (1979-10-01), Sano
patent: 4480292 (1984-10-01), Schuder
patent: 4501936 (1985-02-01), Morse
patent: 4710858 (1987-12-01), Van Hout et al.
patent: 4807091 (1989-02-01), Obata
patent: 4811175 (1989-03-01), Desmet
patent: 4868384 (1989-09-01), Franken et al.

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