Extension brackets for retrofit of metric lamping to existing fl

Details Extension brackets for retrofit of metric lamping to existing fl Extension brackets for retrofit of metric lamping to existing fl

1998-01-30

2000-01-04

Tso, Laura K.

Illumination

Elongated source light unit or support

With means to accommodate additional circuit element

362285, F21V 2114

Patent

active

060102306

ABSTRACT:
Extension brackets capable of being rapidly attached to standard lampholder brackets of conventional fluorescent lighting fixtures for retrofit of such fixtures to accommodate lamping, including metric lamping such as T5 lamping, of generally shorter lengths than conventional tubular fluorescent lamping. The extension brackets of the invention attach by interference fit to standard cutouts in standard lampholder brackets, which cutouts normally attach conventional "tombstone" T12 lampholders, the extension brackets further acting to mount conventional lampholders capable of mounting the metric lamping at locations disposed inwardly of the fixtures to accommodate the several conventional lengths of metric lamping or the like while locating the metric lamping on a plane no higher than that of the conventional lamping for which the lighting fixtures are originally configured.

REFERENCES:
patent: 2530017 (1950-11-01), Levenson
patent: 2531533 (1950-11-01), Shaw
patent: 4229785 (1980-10-01), Tuller
patent: 4803600 (1989-02-01), Pepping
patent: 5006970 (1991-04-01), Mackiewitz
patent: 5469348 (1995-11-01), Wong
patent: 5904415 (1999-05-01), Robertson et al.

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