Electrical connectors – With circuit component or comprising connector which fully... – Connector includes or covers additional component
Reexamination Certificate
2003-02-25
2004-11-09
Nasri, Javaid H. (Department: 2839)
Electrical connectors
With circuit component or comprising connector which fully...
Connector includes or covers additional component
Reexamination Certificate
active
06814621
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an improved current tap structure and, more particularly, to a current tap structure capable of simplifying the assembly steps.
BACKGROUND OF THE INVENTION
A long with flourishing development of the science and technology industry, use of electric appliances is indispensable in everyday works and lives. When electrical appliances are to be used, current taps need to be plugged into sockets to provide electricity. Therefore, the safety consideration of the current tap structure is very important.
FIG. 1
shows the structure of a conventional safety current tap. An inner body
12
is provided in an outer body
10
. Barriers
14
are provided at the left and right sides of the inner body
12
to form two grooves
16
for receiving two fuses
20
, two U-shaped contacts
22
and two lead wires
24
connected therewith. Two blades
18
are provided at two sides of the grooves
16
. Two ends of the fuses
18
are electrically connected to the blades
18
and the U-shaped contacts
22
. This design makes use of the fuses to take safety into consideration.
In the above conventional safety current tap structure, the barriers
14
at the two sides of the inner body
12
are extended and connected to an outlet plate
26
, and openings (not shown) are provided at the bottom faces of the two grooves
16
in consideration of assembly convenience so that the U-shaped contacts
22
and the lead wires
24
connected therewith can pass through the openings from bottom to top for subsequent steps like positioning. The assembly process of the U-shaped contacts in the conventional safety current tap comprises the following steps:
1. The U-shaped contacts are aimed at the openings from the bottoms of the grooves
16
;
2. The U-shaped contacts
22
and the lead wires
24
pass through the openings;
3. The U-shaped contacts
22
arc moved to rivet points to aim at the grooves
16
.
4. The U-shaped contacts
22
are pressed into the grooves.
5. The lead wires
24
are pulled downwards; and
6. The U-shaped contacts
22
are pressed downwards for positioning.
For the conventional safety current tap structure, the assembly process is cumbersome and inconvenient. Moreover, the conventional safety current tap has the problems of slow processing speed and high processing cost. Accordingly, the present invention aims to propose an improved current tap structure to resolve the problems in the prior art.
SUMMARY AND OBJECTS OF THE PRESENT INVENTION
The primary object of the present invention is to provide an improved current tap structure to effectively simplify the assembly process so as to resolve the problem of cumbersome assembly process in the prior art.
Another object of the present invention is to provide a current tap structure of easy assembly to simultaneously have the advantages of quick processing speed, low assembly cost and low price.
According to the present invention, an improved current tap structure comprises an outer body. An inner body is provided in the outer body. Three barriers are provided in the inner body to form two grooves for receiving and positioning two U-shaped contacts and two lead wires connected therewith. Two blades are provided at two sides of the grooves. The blades and the lead wires are exposed from the outer body. Notches are provided between the barriers at two sides of the grooves and an outlet plate of the inner body so that the U-shaped contacts and the lead wires connected therewith can slide into the grooves from the-notches.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawings, in which:
REFERENCES:
patent: 5320563 (1994-06-01), Liao
patent: 5451173 (1995-09-01), Mai
patent: 5482478 (1996-01-01), Liao
patent: 6325673 (2001-12-01), Mai
Nasri Javaid H.
Rosenberg , Klein & Lee
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