H - Electricity – 01 – R
Patent
H - Electricity
01
R
H01R 13/719 (2006.01) H01R 4/70 (2006.01) H01R 13/658 (2006.01) H01R 4/24 (2006.01)
Patent
CA 2134538
Abstract of the Invention: The field terminable patch connector of the present invention comprises three separable upper and lower body or housing portions, all three of which have mutual interlocking detent structures which permit the three housing portions to be assembled and locked together into a rigid assembly. One of the three housing portions is a contact insulator which has a multiplicity of slots and protrusions capable of retaining contacts for receiving conductors of a twisted pair cable. In addition, a metal shield is provided which fits between both the upper housing portion and contact insulator portion. This metal shield portion shields (e.g., electrically isolates) pairs of conductors from one another and is held in position by the same aforementioned detents. When properly field terminated and used with a Category 5 compliant cable, the patch connector of the present invention meets or exceeds the TIA/EIA TSB-40 Category 5 transmission requirements when mated with 110 type connector blocks. Other features of this invention include the ease of field assembly without special tools or operations (e.g. soldering or crimp tools), polarization structure which assures proper orientation of the mating conductors, a snap detent structure that provides a positive and stable mechanical connection to the connecting block, and an improved insulation displacement terminal which preferably utilizes closed gap construction and low surface area mating contacts that minimize capacitive coupling between adjacent contact positions to assure Category 5 compliance. The patch connector of the present invention utilizes a novel shield construction that not only provides crosstalk isolation between conductor pairs, but is also designed to allow access on either its outer surface or its inner surface, or both when mated with an appropriate shield connection means on the plug receptacle. This novel structure provides shield connections between cables with inherently low transfer impedance and therefore assures high frequency shield effectiveness. Another important feature of the present invention is the ability to pull wire pairs into their respective positions in the patch cover. Once the cable jacket is secured in the cover, wire pairs may be pulled into their respective location. The cover includes features that separate the tip and ring conductors and urge them outward and into their respective IDC termination slots. Once all pairs arepositioned, the excess length of insulated wires are accessible on all sides, such that they may be trimmed prior to termination. The present invention also provides shield means for 110-type termination blocks to assure that shield integrity is maintained between cables and that shield elements are connected before signal conductors of the plug and socket connectors are allowed to touch and are disconnected after plug and socket signal connections are broken.
Carlson Robert C.
Siemon John A.
Swabey Ogilvy Renault
The Siemon Company
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