Globe lighting assembly

Illumination – Housing – With closure

Reexamination Certificate

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Details

C362S362000, C362S363000, C362S376000, C362S185000, C362S186000, C362S809000

Reexamination Certificate

active

06491415

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to a globe lighting assembly having a globe and a cage surrounding the globe that lets light diffuse from both a top and a bottom of the globe.
BACKGROUND OF THE INVENTION
Lighting assemblies generally emit light from either a top or a bottom of the assembly. Emitting light from each of the top, the bottom, and the sides of the assembly presents several difficulties in manufacturing of the assembly. In particular, the placement of a lamp and of a reflector, if any, will effectively block the light in one of the directions.
SUMMARY OF THE INVENTION
A globe lighting assembly comprises a metal cage, and a plastic globe with an upper portion and a lower portion. The globe lighting assembly also has an open position, and a closed position. The globe is substantially spherical with the upper portion and the lower portion substantially being two separable hemispheres of the sphere. The upper portion is hingedly connected to the lower portion to move between the closed position and the open position.
The metal cage has a lower ring, an upper ring, prongs, and a hub. The hub connects the assembly to a post or an arm. The lower and upper rings along with the prongs surround and give structural support for an upper portion of the globe. There are four prongs spaced approximately equal from each other around the globe.
The lower ring has an inner circular lip. The upper portion of the globe has a bottom edge that abuts against the lower ring just to an outside of the inner circular lip. The inner circular lip aids in preventing moisture from entering the interior of the globe, along with gaskets and silicon sealant.
The lower ring has lip extensions with flanges. The number of lip extensions, the spacing between the lip extensions, the width of the lip extensions, as well as the location of the lip extensions each correspond to that of the prongs. The flanges are parallel to the upper ring. As a result of the flanges positioning, the light from a lamp will cast the shadow of the flanges onto the cage, and will not be seen from outside the globe.
The lower portion of the globe has an upper circular rim that fits into an inner surface of the lower ring when the globe is in the closed position. As a result, the upper circular rim of the lower portion is not viewable from the outside of the globe.
The globe lighting assembly further comprises a reflector with a rim. The rim of the reflector attaches to the flanges. The reflector has an aperture covered with a light diffuser so that light diffuses substantially through the upper portion of the globe, as well as the bottom portion of the globe. The light diffuser is translucent, preferably plastic and glass between the plastic and a light source. The plastic is an opal polycarbonate diffuser or an acrylic plastic. The glass is clear tempered glass.
The globe lighting assembly further comprises a metal socket clip. The reflector has an aperture dimensioned to receive the socket clip. The socket clip has four legs with multiple settings along each of the legs. The multiple settings are for light source positions. The legs are flexible and are biased outwards from each other such that there is adequate resistance to maintain and hold the socket clip in the determined setting.
An alternative embodiment of the globe lighting assembly comprises a cage, and a globe surrounded by the cage. The cage has a bottom ring, a top ring, prongs, and a hub. The bottom and top rings, along with the prongs give structural support for the globe at a lower portion. There are four prongs spaced approximately equal from each other around the globe.
Many of the attendant features of this invention will be more readily appreciated as the same becomes better understood by reference to the following detailed description and considered in connection with the accompanying drawings in which like reference symbols designate like parts throughout.
DESCRIPTION OF THE DRAWINGS
FIG. 1
is a perspective view of an embodiment of a globe lighting assembly;
FIGS. 2
to
4
are side views of the globe lighting assembly illustrating the steps to opening the lower door;
FIG. 5
is a cross-sectional view of the embodiment of
FIG. 1
;
FIG. 6
is a perspective view of a lower ring of the embodiment of
FIG. 1
;
FIG. 7
is a view into the lower door of the globe lighting assembly in the open position;
FIG. 8
is a detailed view of the latches shown in
FIGS. 2
to
4
;
FIG. 9
is a perspective view of a reflector of the embodiment of
FIG. 1
;
FIG. 10
is a perspective view of a socket clip of the embodiment of
FIG. 1
;
FIG. 11
is a cross-sectional view of an alternate embodiment of the globe lighting assembly;
FIG. 12
is a perspective view of another alternate embodiment of the globe lighting assembly; and
FIG. 13
is a cross-sectional view of the alternative embodiment of FIG.
12
.


REFERENCES:
patent: 783772 (1905-02-01), Billingham
patent: 5477441 (1995-12-01), Budnovitch et al.
patent: D446593 (2001-08-01), Straus et al.

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