Bulb socket and socket holder assembly having drainage

Details Bulb socket and socket holder assembly having drainage Bulb socket and socket holder assembly having drainage

1996-07-03

2001-06-19

Nguyen, Khiem (Department: 3202)

Electrical connectors

Having retainer or passageway for fluent material

Vent

C439S699200

Reexamination Certificate

active

06247949

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to a bulb socket and socket holder assembly, more particularly, to a bulb socket and socket holder assembly having a drainage slot which can effectively and readily drain out the liquid retained within the assembly.
BACKGROUND OF THE INVENTION
The lamps string has been widely used in decorating the Christmas tree, especially in western countries. Nevertheless, more and more eastern people enjoy this global festival. No doubt, the pleasant and amiable atmosphere provided by the lamps string is very touching and moving, especially in the Holy Night. Of course, in some occasion, such as family union, the lamps string is indispensable also.
As described above, the strings have been widely used indoors and outdoors, nevertheless, problems arise when the strings are used outdoors. In winter, snows and rains fall always. As it piles up on the socket and holder assembly, water may leak into the assembly from the bottom of the holder as there is a holder for wires passing therethrough. As more and more water flows into the assembly, the conducting plates may short-circuit. The replacement of a damaged socket and holder assembly is very inconvenient, especially in this bad weather condition. On the other hand, it is also different to spot the damaged one.
It is found that when the bulb is positioned upward, the liquid may not leak into the assembly since there is no gap flow water to flow in. But when the bulb is positioned downward, the water may readily flow into the holder from the hole disposed at the bottom of the holder. Besides, the wires may also guide the water flow.
SUMMARY OF THE INVENTION
It is the object of this invention to provide a socket and holder assembly which is provided with a drainage slot to facilitate the draining of the liquid retained therein.
In order to achieve the object set forth, a bulb socket and socket holder assembly made according to this invention comprises a bulb socket which has a cylindrical body defining a space for receiving a bulb therein. The body further includes an extension extending downward from die bottom of the body. The extension is provided lengthwise with a pair of channels for the legs of the bulb. The channels are in communication with the space.
A socket holder has a cylindrical body which defines a receiving space therein for receiving the body and the extension of said bulb socket. The body further includes a conductor scat for receiving a conducting plate thereof. The body is provided with a hole at the bottom for wires passing therethrough.
A drainage slot is provided at the outer wall of the body and the extension of said bulb socket to drain out the liquid retained within said assembly.
Preferably, the extension of said bulb socket has a rectangular cross section defining a wider side and a narrow side, said drainage slot being disposed at the wider side of said extension.
Preferably, the inner wall of said socket holder is provided with a drainage slot with respect to said drainage slot of said bulb socket to enhance the draining of the liquid within the assembly.
Preferably, the cross section of said drainage slot has a semicircular configuration.
Preferably, the top edge of said socket holder is provided with a cutoff with respect to the drainage slot of said socket holder to facilitate the draining of the liquid within the assembly.


REFERENCES:
patent: Re. 28710 (1976-02-01), Finkelstein
patent: 2099610 (1937-11-01), Ledder

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