Electrical connectors – With insulation other than conductor sheath – Plural-contact coupling part
Reexamination Certificate
1999-10-28
2001-03-13
Patel, T. C. (Department: 2839)
Electrical connectors
With insulation other than conductor sheath
Plural-contact coupling part
C439S619000
Reexamination Certificate
active
06200169
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention is related to a wire connector for a decorative lamp, and more particularly to a wire connector with which bulbs can be safely and easily fitted to a decorative lamp.
2. Description of Related Art
Referring to
FIG. 7
, a conventional cascade decorative lamp has a primary electric cable (
90
) and a plurality of secondary electric cables (
92
) electrically connected with the primary electric cable (
90
). Bulbs (
94
) are provided on the secondary electric cables (
92
). When the cascade decorative lamp is horizontally suspended, it seems to be a light waterfall and provides an attractive decorative effect.
In the conventional cascade decorative lamp, the primary electric cable (
90
) is formed by a plurality of wires twisted together. The secondary electric cables (
92
) are wires extended from the primary electric cable (
90
). There are two methods to assemble the decorative lamp.
The first method is to twist wires each having bulbs (
94
) pre-assembled thereon together to form the decorative lamp as shown in FIG.
7
. This process must be performed by hand and is very time-consuming.
The second method is to respectively manufacture the primary electric cable (
90
) and the secondary electric cables (
92
), and then electrically connect the secondary electric cables (
92
) to the primary electric cable (
90
). There are also problems existing in connecting the secondary electric cables (
92
) to the primary electric cable (
90
). If the secondary electric cables (
92
) are directly electrically connected to the primary electrical cable (
90
), this also needs a long time and is not efficient. If the secondary electric cables (
92
) are directly connected to the primary electrical cable (
90
) by a conventional wire connector, it will not provide proper structure strength for suspension. Moreover, if it rains, there will be water remaining in the wire connector and thus, it is easy for short circuits to occur in the wire connector.
Therefore, it is an objective of the invention to provide a wire connector for the decorative lamp to mitigate and/or obviate the aforementioned problems.
SUMMARY OF THE INVENTION
The main objective of the present invention is to provide a wire connector for a decorative lamp with which a bulb can be easily fitted to a primary electrical cable of the decorative lamp;
Another objective of the present invention is to provide a wire connector for a decorative lamp which drains well in wet weather to avoid short circuits therein.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
REFERENCES:
patent: 5700082 (1997-12-01), Peng
patent: 5791940 (1998-08-01), Chen et al.
patent: 5879195 (1999-03-01), Cheng
patent: 5989047 (1999-11-01), Huang
patent: 6043593 (2000-03-01), Pan
Patel T. C.
Thomas Kayden Horstemeyer & Risley LLP
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