Engaging structure for electrical wires of a plug

Details Engaging structure for electrical wires of a plug Engaging structure for electrical wires of a plug

2001-07-16

2003-04-15

Ta, Tho D. (Department: 2833)

Electrical connectors

With circuit component or comprising connector which fully...

Connector includes or covers additional component

C439S460000

Reexamination Certificate

active

06547600

ABSTRACT:

BACKGROUND OF INVENTION
As shown in
FIG. 1
, it is known that a conventional plug includes an inner connector (
1
) and an outer shell (
2
). An electrical wire (
3
) connected with a pin (
31
) and an electrical prong (
4
) is received in the inner connector (
1
) and all of the above means are put inside the shell (
2
). An insulated cover (
32
) provided around the wire (
3
) is clipped by the connector (
1
) and the shell (
2
). Since this frictional engagement between the wire (
3
) and the connector (
1
) as well as the shell (
2
) is not strong enough, the wire (
3
) or the cover (
32
) may be loosened when an accidental pulling occurs, and further the pin (
31
) may be moved with the result that the electrical connection will be inefficient.
Accordingly, the primary objective of this invention is to provide an engaging structure for electrical wires of a plug, which provides an elastic clip at the end of the connector to engage the wires or cover firmly for overcoming the drawback of a prior one and increasing the utilized effect. Now the features and advantages of the invention will be described in detail with reference to the accompanying drawings.


REFERENCES:
patent: 2136498 (1938-11-01), Geyer
patent: 3986765 (1976-10-01), Shaffer et al.
patent: 4713023 (1987-12-01), Bixler et al.
patent: 5083938 (1992-01-01), Poliak
patent: 5252081 (1993-10-01), Hart
patent: 6315600 (2001-11-01), Droesbeke

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