Grounding device for an electrical connector

Details Grounding device for an electrical connector Grounding device for an electrical connector

1999-12-29

2001-05-29

Paumen, Gary F. (Department: 2833)

Electrical connectors

With circuit conductors and safety grounding provision

Reexamination Certificate

active

06238222

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a grounding device, and particularly to a grounding device for an electrical connector for grounding to an electronic device.
A grounding device is mounted in many electrical connectors devices to satisfy the requirement for mating stability of a mating electrical connector. Taiwan Patent application Nos. 81213043 and 83209871 disclose a type of grounding device for an electrical connector. Referring to
FIGS. 6 and 7
, an electrical connector
7
mates with a wall
6
of an electronic device by insertion of the electrical connector
7
in an opening
62
defined in the wall
6
. A grounding device
5
is mounted between the wall
6
and the electrical connector
7
. The grounding device
5
includes a pair of screws
71
engaging with the electrical connector
7
, a pair of pipes
64
mounted in the wall
6
and a pair of coniform sleeves
65
receiving in the pipes
64
. In assembly, the screws
71
are screwed into the sleeves
65
, and the sleeves
65
are further inserted into the pipes
64
thereby attaching the electrical connector
7
to the wall
6
. However, the sleeves
65
can easily slide from the pipes
64
, so the connection between the electrical connector
7
and the wall
6
is not stable. Then the sleeves
65
may fail to electrical contact a grounded surface in the electronic device, so the electrical connector
7
may in turn fail to be grounded leaving the electrical connector
7
vulnerable to EMI, which may disturb the transmission of signals through the electrical connector
7
. Hence, an improved electrical connector is required to overcome the disadvantages of the prior art.
BRIEF SUMMARY OF THE INVENTION
A first object of the present invention is to provide a stable connection between an electrical connector and an electronic device;
A second object of the present invention is to provide a grounding connection between the electronic device and the electrical connector to minimize the effects of EMI.
Accordingly, a grounding device of the present invention is mounted in an electronic device which comprises a sidewall, an opening, and a bottom base. The grounding device comprises an insulative sleeve aligned with the openings of the electronic device, a grounding plate, and a rivet received in the insulative sleeve. The insulative sleeve defines a coniform hole therethrough and a pair of slots positioned near an end thereof. The insulative sleeve further defines a pair of engaging recesses locating inside the end thereof adjacent the slots. The rivet defines a internal threaded hole therethrough and has a coniform outside surface adapted to interengage with the inside of the coniform hole. The grounding plate comprises a baseplate, a pair of lateral walls extending upward from the baseplate, and a pair of projections extending inward form opposing edges of the lateral walls. In assembly, the projections of the grounding plate are aligned with the openings of the electronic device and are engaged with the slots of the insulative sleeve. The rivet is then inserted through the openings and into the insulative sleeve, thereby bending the projections into the engaging recesses, thus fastening the sidewall of the electronic device, the grounding plate, the insulative sleeve, and the rivet together. Thus a secure grounding device is formed for attaching a complementary connector to the electronic device.


REFERENCES:
patent: 5108296 (1992-04-01), Takano et al.
patent: 5266053 (1993-11-01), Jamet et al.
patent: 5749740 (1998-05-01), Swift et al.
patent: 6019614 (2000-02-01), Baur et al.
patent: 6068502 (2000-05-01), Kuo

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