Obstruction marker light

Details Obstruction marker light Obstruction marker light

1983-12-12

1986-01-07

Rowland, James L.

Communications: electrical

Digital comparator systems

340 87, 362194, D26 24, E01F 900

Patent

active

045636680

ABSTRACT:
A marker light including a light assembly having a unitary blow molded plastic canister in which a power source and circuitry are retained. The canister includes generally cylindrical upper and lower portions, with the lower portion being of small diameter, smaller and offset with respect to the upper portion. The lower portion includes a plurality of inwardly directed flat-bottom indentations to define a generally rectangular channel for guiding and holding the battery. The indentations further provide generally annular array of outwardly extending grooves into which a circuit board assembly can be securely mounted. The circuit board assembly includes two boards in fixed spaced relationship with the electrical components being disposed intermediate the two boards. The switch of the assembly is recessed in the upper portion of the canister for adequate protection.

REFERENCES:
patent: D140335 (1945-02-01), Chapman
patent: 2638583 (1953-05-01), Edwards, Jr.
patent: 2911637 (1959-11-01), Wortmann
patent: 2938111 (1960-05-01), Keilman
patent: 2987702 (1961-06-01), Yohe
patent: 3197757 (1965-07-01), Porta
patent: 3500378 (1970-03-01), Pickering et al.
patent: 4047150 (1977-09-01), Kelley
patent: 4398238 (1983-08-01), Nelson

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