Cable end connector

Details Cable end connector Cable end connector

1999-11-23

2001-03-27

Paumen, Gary F. (Department: 2833)

Electrical connectors

With vitreous-type envelope

Having bayonet-coupling contact

C439S606000, C439S553000, C439S939000

Reexamination Certificate

active

06206731

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an electrical end connector and particularly to an EMI shielded cable end connector for being connected to an enclosure panel without using a screw, and which can be quickly attached to a panel of a computer enclosure.
2. Description of the Prior Art
A cable end connector is generally used with a cable which is to be attached to a rear panel of a computer enclosure for providing an input/output port. One such connector is disclosed in Taiwan Patent Application No.86102688. As shown in
FIGS. 5 and 6
, a conventional cable connector
5
mainly comprises a plastic housing
50
which includes a pair of screws
51
on opposite sides thereof, and a metallic shell
52
at a forward end thereof. An enclosure panel
6
defines an engaging aperture
60
and a pair of holes
61
at either side of the aperture
60
. The shell
52
of the cable end connector
5
is received in the engaging aperture
60
of the enclosure panel
6
and the screws
51
are threaded into the holes
61
to retain the cable connector
5
thereon. The connection of the shell
52
with the engaging aperture
60
shields the cable connector
5
and the enclosure panel
6
from EMI. This method of EMI shielding requires a high precision assembly. Inaccurate assembly may result in a space d being formed between the shell
52
and the enclosure panel
6
(see
FIG. 6
) and consequently poor EMI shielding. Therefore, a cable connector providing reliable and effective EMI shielding is desired.
SUMMARY OF THE INVENTION
The main object of the present invention is to provide an EMI shielded cable end connector having a metallic shell for grounding to an enclosure panel which reliably and snugly attaches the cable connector to the enclosure panel leaving no gap therebetween and providing effective EMI shielding.
A cable connector in accordance with the present invention comprises a connector body and a metallic shell assembled to the connector body. The shell can be snugly assembled against openings of an enclosure panel.
The shell is a roughly rectangular in shape, the front and rear ends being open. Each of the top and bottom walls of the shell defines a pair of wide latches adjacent to the front edge thereof, and each of the side walls defines a narrow latch adjacent to the front edge thereof. A tongue extends outwardly from a rear edge of each of the top, bottom, and two side walls.
The connector body includes an insulative housing, a conductive shielding plate covering the housing except for a front face of the housing, an insulative plastic cover partially overlaying the shielding plate, and a cable nipple formed at the rear end of the cover. The shell is fitted over the front portion of the housing covered by the shielding plate so that the front edges of the shell are flush with the front face of the housing. The plastic cover over molds the rear half of the shell, embedding the tongues of the shell therein and allowing space for the wide and narrow latches to engage with corresponding apertures in the enclosure panel (described hereinafter).
The enclosure panel defines two openings side-by-side, a wide tab being formed at each of the upper and lower edges of each opening and a narrow tab being formed at the outermost lateral edge of each opening. Each wide tab defines a wide aperture therein to engage with a wide latch of the shell and each narrow tab defines a narrow aperture therein to engage with a narrow latch of the shell.
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: 5709569 (1998-01-01), Buck et al.
patent: 5766034 (1998-06-01), Block et al.
patent: 5957726 (1999-09-01), Belopolsky et al.
patent: 6005186 (1999-12-01), Bachman

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