Breakaway reuseable runway marker lamp for airports

Details Breakaway reuseable runway marker lamp for airports Breakaway reuseable runway marker lamp for airports

1979-09-17

1981-11-24

Nelson, Peter A.

Illumination

Plural light sources

Diverse light generators

362 62, 362145, 362367, H01R 3300

Patent

active

043027997

ABSTRACT:
A breakaway reuseable marker lamp suitable for airport runway usage utilizes a base which is threaded into existing electrical junction boxes along the runway and an upright post which is frictionally releaseably retained in a socket of the base for easy breakaway in response to impact by an aircraft or other vehicle and easily manually reinserted. The post includes inner and outer telescoping sections so as to vary the height of the post for changing local requirements. To avoid damage to wiring extending between base and post, the lower end of the post, which fits within the socket, has a beveled rim. Use of the rim helps prevent cutting or stripping of the electrical wiring which bears against the rim during separation of post and base.

REFERENCES:
patent: 1886004 (1932-11-01), Geyser
patent: 2424688 (1947-07-01), Grimes
patent: 2715214 (1955-08-01), Appleton
patent: 3008742 (1961-11-01), Goldstein
patent: 3364635 (1968-01-01), Guggemos
patent: 3755977 (1973-09-01), Lewis
patent: 3805055 (1974-04-01), Cassey
patent: 4091442 (1978-05-01), Markey
patent: 4104711 (1978-08-01), Carter
patent: 4161723 (1979-07-01), De Vittori

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