T-8 to T-5 adapter lampholder

Details T-8 to T-5 adapter lampholder T-8 to T-5 adapter lampholder

2007-11-06

2007-11-06

Nguyen, Truc T. (Department: 2833)

Electrical connectors

Coupling part to receive fluorescent or neon lamp

Adapter

C439S356000, C439S226000

Reexamination Certificate

active

11379150

ABSTRACT:
An adapter for fluorescent lamp fixtures that retrofits a T-8 lamp fixture for a T-5 fluorescent lamp that is simple and inexpensive is disclosed herein. The lampholder adapter includes a rotatable locking disk member set in a base assembly for receiving the end-prongs of a fluorescent lamp. The lampholders adapters of at least two different lengths, placed at either end of the fixture may be a T-5 fluorescent lamp of variable lengths. These lampholder adapters are connected to retrofit existing T-8 fixtures, allowing the use of T5 lamps by compensating for the lamp length difference and, thereby, saving the manufacturers substantial money in retooling costs.

REFERENCES:
patent: 2483165 (1949-09-01), Young
patent: 3305823 (1967-02-01), Dahihaus
patent: 4280169 (1981-07-01), Allen
patent: 5904415 (1999-05-01), Robertson et al.
patent: 6641419 (2003-11-01), Richardson
patent: 6890199 (2005-05-01), Vogt et al.
patent: 2005/0202704 (2005-09-01), Lingemann et al.

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