Electrical connector

Details Electrical connector Electrical connector

1999-03-22

2001-02-27

Donovan, Lincoln (Department: 2839)

Electrical connectors

Electromagnetic or electrostatic shield

Shielding individually surrounding or interposed between...

Reexamination Certificate

active

06193552

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an electrical connector, and particularly to an electrical connector which has well-retained soldering tails for soldering to a printed circuit board.
2. The Prior Art
Advanced electrical connectors, particularly high frequency electrical connectors, such as IEEE 1394 connectors, are covered with a corresponding shielding for suppression of noise during signal transmission. The shielding is further installed with a pair of positioning tabs for effectively positioning the connector onto a printed circuit board to have a stable soldering effect during a wave soldering procedure. Some related patents are U.S. Pat. Nos. 5,017,156, 5,073,130, and 5,266,038. However, the contacts of these connectors are not perfectly positioned in the housing thereof, therefore displacement of the contacts may happen during a soldering procedure thus adversely affecting the accuracy of the contacts' position.
SUMMARY OF THE INVENTION
The primary purpose of the present invention is to provide an improved electrical connector which can provide a relatively good positioning effect for the contacts received therein so that the contacts can remain in proper position during a soldering procedure or a mating engagement with a complementary connector.
Another purpose of the present invention is to provide an improved electrical connector having a shielding for suppressing noise and stand-off members extending from an insulative housing thereof preventing unwanted contact of the shielding to a printed circuit board on which the connector is mounted.
In accordance with one aspect of the present invention, an electrical connector comprises an insulative housing for receiving a plurality of contacts each of which comprises a contacting portion and a soldering tail. An intermediate plate is integrally formed in the insulative housing and defines a plurality of passageways for respectively receiving the contacting portion of the contact. A positioning device is connected to a section of each soldering tail of the contacts and retained in the housing so that a face of the positioning device is in contact with an edge of the intermediate plate. A metallic shielding encloses the insulative housing and defines two opposite entrances for communication of the insulative housing to outward.
In accordance with another aspect of the present invention, an electrical connector comprises an insulative housing for receiving a plurality of contacts each of which comprises a contacting portion and a soldering tail. The insulative housing has stand-off means extending from a periphery edge thereof. An intermediate plate is integrally formed in the insulative housing and defining a plurality of passageways for respectively receiving the contacting portion of the contact. A positioning device defines a plurality of recesses at opposite sides thereof for respectively retaining a section of each soldering tail of the contacts and the positioning board is retained in the housing so that a face of the positioning device is in contact with an edge of the intermediate plate. A metallic shielding encloses the insulative housing and defines two opposite entrances for communication of the insulative housing to external.


REFERENCES:
patent: 5017156 (1991-05-01), Sugiyama
patent: 5073130 (1991-12-01), Nakamura
patent: 5267875 (1993-12-01), Koegel et al.
patent: 5725386 (1998-03-01), Davis et al.
patent: 5984726 (1999-11-01), Wu

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