Electrical connectors – Including or for use with coaxial cable
Reexamination Certificate
2001-05-08
2002-05-14
Bradley, P. Austin (Department: 2833)
Electrical connectors
Including or for use with coaxial cable
Reexamination Certificate
active
06386912
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to a cable, and more particularly to a cable connector.
BACKGROUND OF THE INVENTION
As shown in
FIGS. 1-3
, a prior art cable connector is made of a copper material and is provided with a plastic connector
10
, as shown in FIG.
1
. The size of the inner diameter or the outer diameter of the connector is not allowed to have a great error. As shown in
FIGS. 2 and 3
, the prior art cable connector has a conductive main body
11
which is provided in two sides with a plate clamping portion
12
of a recessed construction. Located between the two plate clamping portions is a clamping area
13
for clamping a cable
14
which is inserted into the conductive main body
11
. The clamping strength provided by the two clamping portions
12
is insufficient.
As shown in
FIG. 4
, another prior art cable connector is different from the precedent prior art cable connector in design in that the former has a conductive main body
20
which is provided at the opening end with two extension arms
21
extending into the conductive main body in such a manner that the curved segment is provided with a protruded section
22
extending toward the axial center of the conductive main body, thereby resulting in formation of a clamping area
23
located between the two protruded sections for clamping the cable which is inserted thereinto. In light of the outer diameter of the product being fixed, the cable can not be easily inserted. If the cable is forced into the main body, the protruded sections
22
are susceptible to permanent deformation, thereby resulting in loss of clamping capability of the two protruded sections in relation to the clamping area
23
.
As shown in
FIG. 5
, the first prior art cable connector is improved in such a fashion that the outer diameter of the conductive main body
30
is provided with two slits
31
parallel to the axial direction of the conductive main body so as to enable the outer diameter to expand at the time when the cable is inserted, thereby minimizing the likelihood of deformation of the two protruded sections
22
. However, when the cable is inserted, the outer diameter of the conductive main body
30
is considerably enlarged to the extent that the conductive main body can no longer be fitted into the plastic connector. The plastic connector must be enlarged at an extra cost.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a cable connector which is free of the drawbacks of the prior art cable connectors described above.
The cable connector of the present invention comprises a hollow conductive main body of a cylindrical construction and having an open end via which a cable end is put through to be connected to the connector. The open end is provided with at least two extension arms extending therefrom such that the extension arms are folded in reverse into the conductive main body. The segment that is folded is provided with a protruded section extending toward the axial center of the conductive main body, thereby resulting in formation of a clamping area located between the two protruded sections. The conductive main body is provided with two slits penetrating the wall of the conductive main body and corresponding in location to the ends of the two extension arms. The conductive main body is provided with two pliable and movable plate portions which are respectively enclosed by the shapes of the two slits.
REFERENCES:
patent: 5362251 (1994-11-01), Bielak
patent: 5667409 (1997-09-01), Wong et al.
patent: 5865654 (1999-02-01), Shimrak et al.
patent: 5954542 (1999-09-01), Wu et al.
patent: 6042421 (2000-03-01), Gray et al.
patent: 6203372 (2001-03-01), Matsumoto et al.
patent: 6231387 (2001-05-01), Kameyama
patent: 6270377 (2001-08-01), Miyazaki et al.
Bradley P. Austin
Gushi Ross
Pou Kaing International Co., Ltd.
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