Airport runway or taxiway light fixture

Illumination – With static structure – Pavement

Patent

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Details

362329, 362365, 362390, F21V 1304

Patent

active

056696914

ABSTRACT:
An inpavement light fixture for mounting in an airport runway or a taxiway having a cover with a flat surface and one or two windows for the passage of a light beam. An optical prism is detachably mounted in a cavity formed in the cover beside and beneath each window. The prism has three flat sides forming an equilateral triangle with two of the sides sloping upwardly to a top edge positioned at a top of its window. A special sealing member fits over the prism and preferably covers one of the two sides which slope upwardly. This member extends about a lower portion of the prism and forms a water tight seal. An electric light is mounted in a bottom receptacle on which the cover is supported. A light channel is formed in the top of the cover and extends from each window towards an edge of the cover. This channel has a bottom which slopes at a small angle to the flat top.

REFERENCES:
patent: 3007034 (1961-10-01), Reed et al.
patent: 3113726 (1963-12-01), Pennow et al.
patent: 3250906 (1966-05-01), Loch
patent: 3369113 (1968-02-01), Loch
patent: 3535504 (1970-10-01), Beal et al.
patent: 4382274 (1983-05-01), De Backer et al.
patent: 4924364 (1990-05-01), Pannier
patent: 5438495 (1995-08-01), Ahlen et al.
Cooper Industries Inc., Crouse-Hinds Airport Lighting Products, Document No. 9312: "Instruction Manual FAA/ICAO Flush Taxiway Inset Light, Part Number Series: 85205", Dec. 1993.
Hughey & Phillips, Inc., "Instruction Manual for STA-KLEEN Fully Flush Taxiway Lights", May 1993.
U.S. Department of Transportation, Federal Aviation Administration, AC No. 150/5345-46A, "Specification for Runway and Taxiway Light Fixtures", Jun. 1984.
Transport Canada, Air Navigation System Requirements Branch, Publication No. TP 312E, "Aerodome Standards and Recommended Practices", 4th Ed., Mar. 1993.

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