Illumination – Supports – Shock absorbing
Patent
1977-01-14
1978-05-30
Engle, Samuel W.
Illumination
Supports
Shock absorbing
339 56, 362138, 362223, 362263, 362369, F21V 1504, H01R 3312
Patent
active
040927067
ABSTRACT:
A portable fluorescent light utilizing a fluorescent tube mounted in an elongated transparent tubular plastic housing with protective end caps. A power cord with associated ballast is used to connect the unit to a power source. Sockets for the fluorescent lamp are mounted on special socket supports inserted in each end of the housing. The socket supports are each in the form of an elongated metal strip bent into a four-legged generally rectangular shape. Two parallel side legs are connected by screws to the tubular housing and the inner leg, which is connected to only one of the side legs, carries its respective socket and is adapted to flex about one end between a relaxed inwardly extending position and a flexed operating position generally perpendicular to the side legs in order to apply an advantageous endwise holding force to tightly retain the fluorescent lamp between the two sockets and also to accommodate thermal expansion and contraction of the tubular plastic housing to which the socket supports are mounted caused by heat from the lamp and environmental temperature variations.
REFERENCES:
patent: 1903127 (1933-03-01), O'Rourke
patent: 2752480 (1956-06-01), Priebe
patent: 3136489 (1964-06-01), Oharenko
patent: 3140054 (1964-07-01), Oharenko
patent: 3210533 (1965-10-01), Mappes
patent: 3283144 (1966-11-01), Rogers
patent: 3435206 (1969-03-01), Swanson
patent: 3555268 (1971-01-01), Zurawski
patent: 3719820 (1973-03-01), Yarmark
patent: 3767904 (1973-10-01), Cook
patent: 3947678 (1976-03-01), Tang
Engle Samuel W.
Walsh Donald P.
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