Illumination – Plural light sources – Diverse light generators
Patent
1992-01-23
1994-01-11
Cole, Richard R.
Illumination
Plural light sources
Diverse light generators
362376, 362382, F21V 7100
Patent
active
052787400
ABSTRACT:
A modular utility lamp, commonly known as a trouble light, which includes a handle with a socket on one end and electric prongs for connecting an extension cord to the other end, and a protective cage for surrounding and protecting an electric bulb in the socket. The protective cage preferably includes two identical halves which twist-lock together to facilitate replacement of the bulb. A freely rotatable hook with a twist-lock base is provided for the top end of the protective cage. The utility lamp is also provided with a collapsible base for supporting the lamp in an upright position above a work area. The lamp, including the base, are carefully proportioned and designed to provide a utility lamp with asthetic appeal which may be used in environments where prior art lamps of the same type were considered inappropriate.
REFERENCES:
patent: 2580359 (1951-12-01), Moineau
patent: 2710338 (1955-06-01), Svalgaard
patent: 2760837 (1956-08-01), Wade
patent: 2905513 (1959-09-01), Kane
patent: 3177358 (1965-04-01), Suttie
patent: 4236195 (1980-11-01), Kovacik
patent: 4369487 (1983-01-01), Carlow
patent: 4535395 (1985-08-01), Prester
patent: 4562521 (1985-12-01), Noguchi
patent: 4723823 (1988-02-01), Pinkerton et al.
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