Arrangement for positioning and shielding stacked electrical...

Details Arrangement for positioning and shielding stacked electrical... Arrangement for positioning and shielding stacked electrical...

1999-12-16

2001-04-10

Paumen, Gary F. (Department: 2833)

Electrical connectors

Electromagnetic or electrostatic shield

Shielding individually surrounding or interposed between...

C439S541500

Reexamination Certificate

active

06213813

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to an arrangement for positioning and shielding stacked electrical connectors, and particularly to a positioning and shielding arrangement for combining upper and lower connectors together into an integral stacked connector assembly.
BACKGROUND OF THE INVENTION
In compliance with the miniaturization trend of electronic devices, stacked connectors are commonly adopted. An example of stacked connector assembly is disclosed in U.S. Pat. No. 5,037,330. As shown in
FIG. 6
, the stacked connector assembly comprises upper and lower circular DIN connectors
2
′ and
3
′, a connector supporting housing
4
′ and a common metal shield
1
′. The connector supporting housing
4
′ forms upper and lower chambers
41
′ and
42
′ for receiving the upper and lower connectors
2
′,
3
′. A connector support gantry
43
′ outwardly extends from the connector supporting housing
4
′ for supporting the upper connector
2
′. The connector supporting housing
4
′′includes upper and lower comb sections
44
′,
45
′for separating corresponding terminals (not shown) of the upper and lower connectors
2
′ and
4
′ from each other.
However, it is very easy for the upper and lower connectors
2
′,
3
′ to be forcibly moved rearward when engaging with mating connectors (not shown), for the upper and lower connectors
2
′,
3
′ are not firmly secured the upper and lower chambers
41
′,
42
′ of the connector supporting housing
4
′. The movement of the upper and lower connectors
2
′,
3
′ will result in poor electrical engagement between the mating connectors and the upper and lower connectors
2
′,
3
′.
Furthermore, the upper and lower connectors are also apt to rotate due to the lack of corresponding positioning structure, thereby causing poor signal transmissions therethrough.
Therefore, the present invention provides an improved positioning and shielding arrangement to properly position stacked connectors thereby solving the above questions.
BRIEF SUMMARY OF THE INVENTION
An object of the present invention is to provide an improved arrangement for properly positioning and shielding stacked connectors thereby ensuring a good signal transmission therethrough.
Another object of the present invention is to provide a stacked connector assembly having an improved positioning and shielding arrangement thereby preventing the stacked connectors from undesired rotation and movement when engaging with mating connectors.
Another object of the present invention is to provide a stacked connector assembly having excellent electrical shielding properties.
A stacked connector assembly in accordance with the present invention comprises upper and lower connectors retained in positioning and shielding arrangement. The positioning and shielding arrangement includes a positioning frame for properly positioning the upper and lower connectors and a common shield for shielding the stacked connector assembly. The positioning frame forms a rear base wall for preventing the upper and lower connectors from moving when engaging with mating connectors, and a partition extending forward from a middle portion of the rear base wall for supporting the upper connector thereon. A positioning member extends forward from a middle portion of the partition for preventing the upper and lower connectors from rotation. The upper and lower connectors have corresponding upper and lower shells, respectively. The upper and lower shells are in electrical connection with the common shield thereby forming a complete shielding system for the stacked connector assembly.
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: 5037330 (1991-08-01), Fulponi et al.
patent: 5637015 (1997-06-01), Tan et al.
patent: 5755595 (1998-05-01), Davis et al.
patent: 5797770 (1998-08-01), Davis et al.
patent: 6027375 (1991-08-01), Wu

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