Portable cockpit light assembly

Details Portable cockpit light assembly Portable cockpit light assembly

1990-05-24

1991-07-09

Lazarus, Ira S.

Illumination

Vehicle steering mechanism or element moves pivoted lamp or...

Tie rod element controlled

362187, 362284, 362293, F21V 904

Patent

active

050310801

ABSTRACT:
A portable incandescent light assembly having a selectably interposable filter is disclosed. The light assembly is particularly applicable to night vision situations for airplane pilots. The light assembly comprises a housing in which a light source and a filter for filtering out infra-red light are located. The light assembly further comprises a mechanism for rotating the filter within the housing between a filtering position in which the filter is disposed across a light output axis and a non-filtering position in which the filter is disposed parallel to the light output axis.

REFERENCES:
patent: 2874269 (1959-02-01), Greenlee
patent: 3426189 (1968-02-01), Deputy
patent: 3843878 (1974-10-01), Ueda et al.
patent: 4175279 (1979-11-01), Asaki
patent: 4580196 (1986-04-01), Task
patent: 4602321 (1986-07-01), Bornhorst
patent: 4794494 (1988-12-01), Reeder
patent: 4829407 (1989-05-01), Bushell et al.

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