Two port USB cable assembly

Details Two port USB cable assembly Two port USB cable assembly

1999-11-29

2001-04-03

Paumen, Gary F. (Department: 2833)

Electrical connectors

With supporting means for coupling part

Coupling part or mating part extending into panel opening

C439S564000, C439S939000, C439S701000

Reexamination Certificate

active

06210216

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention generally relates to a USB (Universal Serial Bus) cable assembly, and in particular to a two port USB cable assembly having a grounding device for facilitating ESD (Electro-Static Discharge) and EMI protection of the USB ports.
2. The Prior Art
A USB cable comprises a cable with a USB connector mounted to an end thereof. For a USB cable mounted to a panel of a computer enclosure, an electrical engagement between a shielding shell of the USB connector of the cable and the panel is required to provide ESD and EMI protection. A variety of grounding devices is implemented in USB cables available in the market. The conventional grounding devices of USB cables either are complicated in structure or require a laborious assembly process.
On the other hand, a two port USB cable having a cable end connection device comprising two USB connectors is not common in the market. Such a two port USB cable requires a grounding device having a simple structure and being easy to assembly for facilitating the manufacture thereof and reducing costs.
It is thus desired to provide a two port USB cable having a grounding device having a simple structure and easy to assemble.
SUMMARY OF THE INVENTION
Accordingly, an object of the present invention is to provide a USB cable comprising a grounding device having a simple structure for being easy to manufacture and assembly and reducing costs.
Another object of the present invention is to provide a USB cable comprising a cable end connection device comprising two USB connectors.
A further object of the present invention is to provide an electrical connector having a grounding device having a simple structure for being easy to manufacture and assembly and reducing costs.
To achieve the above objects, a USB cable assembly in accordance with the present invention comprises a cable having an end to which a connection device is attached. The connection device comprises an insulative casing in which two USB connectors are fixed and electrically connected to the cable. Two bores are defined in a front wall of the casing for rotatably retaining two bolts. A conductive plate associated with each bolt is fixed in the casing having a first section defining a hole through which the bolt extends and a second section resiliently engaging with a conductive shield of the corresponding USB connector. The first section has step-like edges fixedly received in L-shaped slits defined in the front wall with the first section overlapping an outside surface of the front wall whereby when the connection device is secured to an external grounding panel by the bolts, the conductive plate engages with the grounding panel forming an electrical connection between the shield of the corresponding USB connector and the grounding panel.


REFERENCES:
patent: 4906201 (1990-03-01), Young et al.
patent: 5266053 (1993-11-01), Jamet et al.
patent: 5306175 (1994-04-01), Swanstrom
patent: 5320554 (1994-06-01), Freer et al.
patent: 5709569 (1998-01-01), Buck et al.
patent: 5772471 (1998-06-01), Buck

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