Ceiling fixture

Details Ceiling fixture Ceiling fixture

2003-01-07

2003-12-30

Braun, Leslie A. (Department: 3632)

Supports

Suspended supports

Fittings

C248S317000, C248S342000, C362S147000, C362S404000

Reexamination Certificate

active

06669159

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to an improved ceiling fixture and particularly a ceiling fixture that has an elastic plate to latch on the screw thread pitch to anchor a holding dish to facilitate installation of a ceiling lamp.
2. Description of the Prior Art
Conventional ceiling fixtures now available on the market are generally constructed as the one shown in
FIGS. 1
,
2
and
3
. It mainly includes a ceiling plate
2
fastening to a preformed cavity
11
on the ceiling
1
through screws
21
. A holding dish
31
is fastened to the ceiling plate
2
for coupling with a ceiling lamp
3
through fastening screws
22
. The holding dish
31
has fastening holes
311
to receive the fastening screws
22
which are screwed to anchor the holding dish
31
. Then a bolt
32
is provided with one end screwing in a screw hole
312
formed on the holding dish
31
and another end coupling with a glass shade
33
and a cap
34
. Finally a nut
35
is provided to couple with the bolt
32
to complete the assembly of the ceiling lamp
3
. Such a construction has the following disadvantages:
1. Before installation, the fastening screws
22
must be fastened to the ceiling plate
2
. Next, the holding dish
31
is coupled from the lower side to the upper side, and the fastening holes
311
of the holding dish
31
are coupled with the fastening screws
22
. The holding dish
31
is turned for positioning at a desired location. Then the fastening screws
22
are tightened. Although the actions mentioned above can fasten the holding dish
31
to the ceiling plate
2
, they involve many cumbersome operations. Moreover, the ceiling plate
2
usually is installed on the ceiling which is high above the floor, people have to climb and work on an elevated location, and have to turn and tighten the fastening screws
22
while holding the holding dish
31
with one hand. It is an inefficient operation.
2. When the holding dish
31
is fastened to the ceiling plate
2
, and the bolt
32
is fastened to the screw hole
312
of the holding dish
31
, the glass shade
33
and the cap
34
have to be fastened by the nut
35
. As the glass shade
33
is quite heavy and is supported merely by the bolt
32
fastening to the holding dish
31
which in turn is fastened to the ceiling plate
2
through fastening screws
22
, to bear such a heavy load by means of such a support structure is quite risky in the long run.
SUMMARY OF THE INVENTION
In view of the aforesaid disadvantages, the primary object of the invention is to provide an improved ceiling fixture that has a stronger support to bear the heavy weight of the ceiling lamp and is easier to install.


REFERENCES:
patent: 5174642 (1992-12-01), Brohard et al.
patent: 5568969 (1996-10-01), Yu
patent: 5941631 (1999-08-01), Hsu
patent: 6082871 (2000-07-01), Yeh
patent: 6168282 (2001-01-01), Chien
patent: 6200007 (2001-03-01), Minissi et al.
patent: 6350045 (2002-02-01), Pearce
patent: 6390649 (2002-05-01), Tang
patent: 6511211 (2003-01-01), Karambelas
patent: 6595664 (2003-07-01), Bucher et al.

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