Stacked electrical connector with a single grounding device

Details Stacked electrical connector with a single grounding device Stacked electrical connector with a single grounding device

1999-12-29

2001-05-08

Paumen, Gary F. (Department: 2833)

Electrical connectors

With circuit conductors and safety grounding provision

C439S607070, C439S939000

Reexamination Certificate

active

06227880

ABSTRACT:

BACKGROUND OF THE INVENTION
Field of the Invention
The present invention relates to a stacked electrical connector with a single grounding device.
As more functions are added to computers, the available space on printed circuit boards becomes more limited. It is desirable to minimize the amount of space required on a printed circuit board for connectors. Connectors can be stacked closely together on a circuit board to conserve space and thus stacked connectors were invented. However, stacked connectors generate an undesirable amount of electrical noise. Hence, stacked connectors with a single grounding device are required to prevent generation of EMI.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a stacked electrical connector with a single grounding device that has sufficient resiliency, and can be easily manufactured.
A stacked electrical connector in accordance with the present invention comprises a plurality of shells, an insulative housing, a grounding device and a plurality of contacts. The plurality of shells include an upper shell, a lower shell and a rear shell, which are identical to those of a conventional connector thus decreasing the manufacturing cost. The irregular housing forms a first section, a second section and a protruding section. The first and second sections respectively extend into the upper and lower shells, each section having a plate shape and defining a plurality of contact receiving slots in upper and lower surfaces thereof for receiving horizontal sections of the contacts. The contacts also have vertical sections, which extend vertically through the housing to mate with a printed circuit board. The protruding section has top and bottom surfaces defining recesses in central portions thereof. The grounding device is produced using a stamping process and is bent to form three sections which are a rear fixing section, a middle section and a front engaging section, the engaging section being exposed at a mating face of the connector. The fixing section abuts against a front face of the protruding section and forms upper and lower retainers respectively received in the recesses of the protruding section. Each retainer forms a spring tab for engaging with corresponding upper and lower shells.
Other objects, advantages and novel features of the invention will become more apparent from the following detailed description of the present embodiment when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 5755595 (1998-05-01), Davis et al.
patent: 5797770 (1998-08-01), Davis et al.
patent: 6027375 (2000-02-01), Wu

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