Compact electrical connector having boardlocks

Details Compact electrical connector having boardlocks Compact electrical connector having boardlocks

2001-06-11

2002-08-20

Paumen, Gary F. (Department: 2833)

Electrical connectors

With supporting means for coupling part

Having resilient means engaging panel opening

Reexamination Certificate

active

06435905

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an electrical connector and particularly to an electrical connector having a minimized lateral dimension and having a pair of boardlocks reliably secured thereon.
2. Description of Related Art
As is shown in
FIG. 1
, a conventional connector
7
includes a dielectric housing
70
, a plurality of terminals
71
secured in the housing
70
, a pair of boardlocks
78
mounted on the housing
70
, and a metal shield
72
attached to the housing
70
.
The housing
70
has a mating wall
701
in which the terminals
71
are received and forms a pair of blocks
702
at opposite lateral ends thereof. The shield
72
surrounds the mating wall
701
. Each boardlock
78
is secured in a corresponding block
702
such that a finger
781
thereof extends inwardly toward the mating wall
701
and abuts against the shield
72
for establishing an electrical path therebetween. By such design, the blocks
702
are situated in line with the mating wall
701
and thus require the housing
70
to be significantly wider than the mating wall
701
. However, minimization is a trend in computer industry, which prefers compact connectors. The conventional connector can hardly satisfy the minimization requirement since it needs a pair of blocks
702
projecting outwardly beside the mating wall
701
to receive the boardlocks
78
. It is thus desired to omit the blocks and provide a connector possessing a width substantially equal to that of the mating wall.
SUMMARY OF THE INVENTION
Accordingly, one object of the present invention is to provide a compact electrical connector with minimized lateral dimension.
Another object of the present invention is to provide an electrical connector having a pair of boardlocks reliably secured on lateral sides of a housing thereof without increasing width of the housing.
In order to achieve the objects set forth, an electrical connector comprises a dielectric housing, a pair of metallic boardlocks mounted to the housing, and a shield attached to the housing.
The housing includes a base wall, a mating wall projecting forwardly from the base wall for mating with a complementary connector, and a pair of platforms. The base wall defines a recess in each of two opposite outer surfaces thereof. Two sets of C-shaped cutouts are located respectively in a front surface and a rear surface of the base wall in positions below the mating wall and above the platforms. Furthermore, each C-shaped cutout surrounds a rectangular projection.
Each boardlock has a flat head, a body, a pair of arms, and a pair of feet depending from the body for catching a printed circuit board on which the connector is mounted. Each arm is C-shaped and extends perpendicularly from lateral sides of the feet. Alternatively, the C-shaped arms may be altered to be P-shaped and connect with the feet at one juncture. The boardlocks are fixed to the housing such that the heads are seated in the recesses of the base wall and the arms are accommodated in corresponding cutouts of the base wall. The arms are locked to the projections and thus attach the boardlocks to lateral sides of he base wall.
In addition, the shield provides a pair of rearwardly extending fingers which extend across the heads and grip the bottom surface of the base wall. The fingers abut the heads of the boardlocks against the base wall of the housing and electrically connect with the boardlocks for grounding.
It is a feature of the present invention that the heads seated in the recesses are flush with the outer surfaces of the base wall and outer surfaces of the fingers of the shield are flush with the feet extending over the outer surfaces of the base wall. The width of connector is thus minimized as to substantially equal to the width of the mating wall.
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: 6086418 (2000-07-01), Chang
patent: 6210220 (2001-04-01), Zhu et al.
patent: 6217378 (2001-04-01), Wu

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