Emergency lighting fixture

Details Emergency lighting fixture Emergency lighting fixture

1988-12-20

1990-01-09

Lazarus, Ira S.

Illumination

Light source and modifier

Adjustable or repositionable light source or light source...

362288, 362372, 362419, F21V 2128

Patent

active

048932248

ABSTRACT:
The disclosure relates to lighting fixtures permanently installed which provide for adjustment in light source direction. The apparatus includes a housing of a dome configuration within which a lens and light reflector assembly is mounted for relative rotational movement. A ratchet mechanism is employed to lock this assembly into the desired orientation. A portion of the adjustment mechanism is exposed for operation by the user.

REFERENCES:
patent: 859403 (1907-07-01), Miesse
patent: 1791697 (1931-02-01), Amen
patent: 2249357 (1941-07-01), Graham
patent: 3290497 (1966-12-01), Ragle et al.
patent: 4245281 (1981-01-01), Ziayler, Jr.
patent: 4352151 (1982-09-01), Lewis

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