Emergency illumination apparatus

Details Emergency illumination apparatus Emergency illumination apparatus

1978-05-05

1980-05-06

Pitrelli, John F.

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40573, 40578, 362267, 362812, G09F 1304

Patent

active

042010055

ABSTRACT:
The invention is an emergency illumination apparatus for use in areas where the presence of gases, vapors, dust, or combustible matter makes the use of conventional apparatus hazardous. The apparatus has a front compartment and a rear, explosion proof compartment that is separated, from the front apartment, by a divider wall. This divider wall has sealed light sockets on the front compartment side. Furthermore, the rear compartment has sealed electrical connections to at least two independent power sources.

REFERENCES:
patent: 2316835 (1943-04-01), Blood
patent: 2535799 (1950-12-01), Kelley et al.
patent: 2702849 (1955-02-01), Bissell
patent: 2793356 (1957-05-01), Hart
patent: 3916404 (1975-10-01), Gouge
patent: 4054792 (1977-10-01), Brudy
patent: 4069415 (1978-01-01), Dacal

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