Electrical connectors – Electromagnetic or electrostatic shield – Shielding individually surrounding or interposed between...
Utility Patent
1999-05-11
2001-01-02
Donovan, Lincoln (Department: 2839)
Electrical connectors
Electromagnetic or electrostatic shield
Shielding individually surrounding or interposed between...
C439S607560, C439S079000
Utility Patent
active
06168466
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an electrical connector, and particularly to an electrical connector having a well shielding structure for configuring to an insulative housing thereof with satisfactory retention.
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. Some related patents are Taiwan Patents Nos. 85216816, 85212192. Although these connectors as disclosed have a shielding structure for suppression of noise. However, the configuration between the shielding structure and the insulative housing is not stable thus causing unwanted loose engagement therebetween. Additionally, the shielding structure is apt to deform to an unwanted extent during configuration with the housing therefore it is requisite to provide a reinforcing part by which the shielding structure can be maintained in a stable shape during configuration with the housing.
SUMMARY OF THE INVENTION
The primary purpose of the present invention is to provide an improved electrical connector including an insulative housing and a metallic shielding structure and the shielding structure has a reinforcing part to maintain the shape thereof during assembly with the housing.
Another purpose of the present invention is to provide an improved electrical connector having a good shielding effect for suppression of noise.
A further purpose of the present invention is to provide an improved electrical connector having a simple shielding structure easily manufactured.
In accordance with one aspect of the present invention, an electrical connector comprises an insulative housing having two side faces connected to a front face and a rear face, a top face connected to the side faces, the front face and the rear face. The side faces of the housing each respectively defines a guiding channel along a longitudinal direction thereof. The rear face of the housing has two ends respectively extending beyond the side faces and each end defines a slot therein communicating with the guiding channel of the corresponding side face. A first metallic shielding has a front face and two side faces connected to two ends of the front face, and two rear tabs respectively extending from the side faces for engaging within the slots of the rear face of the housing when the front face and the side faces of the first metallic shielding are in contact with the front face and the side faces of the housing. A second metallic shielding has a top face and two side faces extending downward from the top face for engagement between the side faces of the first metallic shielding and the side faces of the housing, wherein the top face of the second metallic shielding covers the top face of the housing.
REFERENCES:
patent: 4337989 (1982-07-01), Asick et al.
patent: 4936795 (1990-06-01), Kawai et al.
patent: 5195911 (1993-03-01), Murphy
patent: 5637015 (1997-06-01), Tan et al.
Chung Wei Te
Donovan Lincoln
Hon Hai - Precision Ind. Co., Ltd.
Webb Brian S.
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