Electrical connector

Electrical connectors – Electromagnetic or electrostatic shield – Shielding individually surrounding or interposed between...

Reexamination Certificate

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Reexamination Certificate

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06293825

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to an electrical connector, and particularly to an electrical connector having a metallic shell for providing EMI protection and for soldering onto a printed circuit board.
U.S. Pat. Nos. 5,738,544, 5,755,595, and 5,797,770 each disclose a conventional electrical connector which is adapted to be mounted to the printed circuit board where the rear portion of the connector is seated around the front edge portion of the printed circuit board while the front portion of the connector projects beyond the front edge of the printed circuit board with a distance. Referring to
FIG. 5
, an electrical connector
1
has a metal shield
10
for receiving an insulative housing
12
therein. A plurality of terminals (not shown) is received in corresponding passageways defined in the insulative housing
12
. A pair of retention legs
14
is formed at lateral sides of the metal shield
10
for extending through a pair of mounting holes defined in the printed circuit board for mounting the electrical connector
1
onto the circuit board. Thus this connection requires that a pair of mounting hole defined in the printed circuit board. However, because of the increasing density of conductive elements on circuit board, the mounting holes defined in the printed circuit board will complicate designing the circuit routing of the board. Therefore, the cost of the circuit board will increase also.
BRIEF SUMMARY OF THE INVENTION
A main object of the present invention is to provide an electrical connector having a metallic shell therearound for providing EMI protection and for soldering onto a printed circuit board.
To fulfill the above-mentioned object, an electrical connector according to the present invention comprises an insulative housing including a body and an engaging section together defining a plurality of passageways for receiving a plurality of terminals. Each terminal comprises a contacting portion and a soldering portion. A substantially rectangular shell is made from a metallic material. The metallic shell includes a ceiling portion, a bottom portion and a first and second side walls. The shell defines a receiving space for accommodating the insulative housing therein. The ceiling portion defines a retaining hole for engaging with an inserted mating plug. A pair of retention arms is respectively formed in the first and second side wall. Two pairs of soldering pads respectively extend from the lower edge of the first side wall and the second side wall for soldering to a printed circuit board.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 5738544 (1998-04-01), Davis
patent: 5755595 (1998-05-01), Davis et al.
patent: 5797770 (1998-08-01), Davis et al.
patent: 5928035 (1999-07-01), Jankowsky et al.
patent: 6077120 (2000-06-01), Futatsugi et al.
patent: 6083046 (2000-07-01), Wu et al.
patent: 6086429 (2000-04-01), Wu

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