Electrical connectors – With circuit conductors and safety grounding provision – Grounding to connector container or housing
Patent
1988-10-08
1990-07-03
Briggs, William
Electrical connectors
With circuit conductors and safety grounding provision
Grounding to connector container or housing
439607, H01R 13639
Patent
active
049387049
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention is related to an electrical connector and particularly to an electrical connector shield member for mounting onto an electrical connector and having mounting means for mounting an electrical connector to a circuit board.
U.S. Pat. No. 4,679,883 discloses a right angle connector having a metal shield surrounding the mating face. Ground straps integral with the metal shield extend to respective mounting faces. An eyelet passes through apertures in a flange and through the ground strap to secure the connector to a printed circuit board and simultaneously provide an electrical path from the metal shield to a ground on the printed circuit board. Thus, for an electrical connector to be mounted on a circuit board and requiring electromagnetic shielding, the connector included a shield member for shielding the connector and separate mounting members for mounting the shielded connector to a circuit board.
Accordingly, a problem arose in that a large number of man-hours was needed for manufacturing and assembly of such a connector. Furthermore, the ground connection between the shield member and the circuit board was not reliable.
The purpose of this invention is to provide a shield member having excellent electrical characteristics, and which is easily assembled by manufacturing the shield member and the mounting members integrally as one member thereby avoiding the possibility of an incomplete electrical connection between two separate parts. Further, the man-hours required for the assembly can be reduced since the integrally-formed shield member with mounting members is easily fitted to the connector housing and secured thereon. The resulting electrical connector assembly can be readily mounted onto a circuit board.
SUMMARY OF THE INVENTION
In accordance with the present invention, a shield member comprises a shield section covering a front surface of a connector housing and mounting members for mounting an electrical connector onto and to a circuit board. The invention is characterized in that the shield member and mounting members are integrally formed from a sheet of suitable conductive metal, and, on the shield section and at the end of the mounting members, securing sections are provided for securing the shield member to the connector housing.
Accordingly, a shield member can be made by which the possibility of an incomplete connection between the shield member and the mounting members is avoided, the man-hours required for assembly of the shield member onto a connector housing and for mounting the connector onto a circuit board are reduced. Furthermore, a more reliable ground connection can be obtained between a ground plane on the circuit board when the connector is mounted thereon.
Moreover, a further improved assembly process and electrical connection is ensured since the mounting members can be directly soldered to the ground plane by applying surface processing to the conductive material to obtain good solderability therebetween.
The invention will now be described by way of example with reference to the following detailed description of the invention in conjunction with the accompanying drawing
BRIEF DESCRIPTION OF DRAWING
FIG. 1 is an exploded perspective view showing a shield member and a connector housing; and
FIG. 2 is a perspective view showing the shield member according to the present invention assembled to the connector housing thereby forming a shielded electrical connector.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENT
A shield member according to the present invention is formed from a sheet of suitable conductive metal and comprises a shield section 1A covering a front surface of an electrical connector housing as well as mounting members 2 integrally formed therewith. Mounting members 2 are utilized to mount the electrical connector onto a circuit board and are soldered thereto to establish a ground connection therewith. Leg sections 2A extend in rearward direction from shield section 1A with mounting members 2 being folded downwar
REFERENCES:
patent: 4512618 (1985-04-01), Kumar
patent: 4637669 (1987-01-01), Tajima
patent: 4699438 (1987-10-01), Kikuta
AMP Incorporated
Briggs William
LaRue Adrian J.
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