Electrical connectors – Including or for use with coaxial cable
Reexamination Certificate
2000-02-02
2001-06-05
Nguyen, Khiem (Department: 2839)
Electrical connectors
Including or for use with coaxial cable
C439S584000
Reexamination Certificate
active
06241553
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention is related to an improvement in the structure of a connector for electrical cords and cables.
2. Description of the Prior Art
As the conventional connector is connected with an electrical cord or cable, the electrical cord or cable will often be twisted, thereby making it unable to keep straight and therefore causing difficulty in connection.
The conventional electrical cord or cable simply uses a sleeve made of iron sheet to hold an electrical cord or cable, so that it cannot keep an electrical cord or cable firmly in position. Furthermore, the procedures for the engagement between the cable and such a conventional connector are troublesome. In addition, in the case of strong winds, the cable will disengage from the connector and water may also penetrate into the cable.
It is necessary to use pliers for the engagement of the cable and the conventional connector, but as the component fitted with a cable is made of plastic material so that it will be easily damaged or even broken when it is clamped by the pliers for engagement.
U.S. Pat. Nos. 5,769,662 and 5,066,248 suffer one or even many of the above-mentioned drawbacks. In brief, these patents do not use any means to protect the plastic component provided on the electric cable, so that the component will be easily damaged, deformed, or even broken when the component is engaged with the connector. Furthermore, the cable cannot be firmly clipped and will easily disengage from the connector. In addition, water will easily penetrate the cable.
Therefore, it is an object of the present invention to provide an improvement in the structure of a connector for electrical cords and cables which can obviate and mitigate the above-mentioned drawbacks.
SUMMARY OF THE INVENTION
This invention is related to an improvement in the structure of a connector for electrical cords and cables.
It is the primary object of the present invention to provide an improvement in the structure of a connector which will not twist a cord or cable when engaged therewith.
It is another object of the present invention to provide an improvement in the structure of a connector which can firmly engaged with an electrical cord or cable.
It is a further object of the present invention to provide an improvement in the structure of a connector for electrical cords and cables which can prevent water from penetrate therein.
The foregoing objects and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
REFERENCES:
patent: 4973265 (1990-11-01), Heeren
patent: 5002503 (1991-03-01), Campbell et al.
patent: 5466173 (1995-11-01), Down
patent: 5586910 (1996-12-01), Negro et al.
patent: 5967852 (1999-10-01), Follingstad et al.
A & J
Nguyen Khiem
Zarroli Michael C.
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