Electrical connectors – Contact comprising cutter – Insulation cutter
Reexamination Certificate
2000-09-01
2001-08-28
Patel, Tulsidas (Department: 2839)
Electrical connectors
Contact comprising cutter
Insulation cutter
C439S320000
Reexamination Certificate
active
06280229
ABSTRACT:
TECHNICAL FIELD
The invention relates to a plug connector by which a rapid mounting of electrical connections can be achieved.
BACKGROUND OF THE INVENTION
German patent specification 42 03 455 discloses an electric plug connector in rapid-connection technique, in which insulation displacement contacts are provided in which the conductors to be connected can be pressed in. For this purpose, the corresponding ends of the conductors are guided in a pressure member over a short distance in inclined fashion to an insertion direction of the pressure member. When the pressure member with the conductors arranged therein is forced on the insulation displacement contacts, the conductors are automatically contacted by the corresponding insulation displacement elements without an additional mounting step or an additional mounting tool being necessary.
Furthermore, it is known to provide the conductors of a cable to be connected with plug contacts to obtain an electrical connection. However, the fact that it is very time-consuming and costly to mount the plug contacts on the cable is a drawback here. Special tools are also necessary.
Therefore, it is the object of this invention to develop a plug connector which can be mounted rapidly and can be used as a female plug or a pin plug.
BRIEF SUMMARY OF THE INVENTION
The above object is achieved in a plug connector which comprises an insulation displacement contact carrier which accommodates insulation displacement contacts, and a plug contact carrier which accommodates plug contacts. The plug connector further comprises a housing which connects the insulation displacement contact carrier with the plug contact carrier. The insulation displacement contact carrier is provided with a thread for a first coupling ring and the plug contact carrier is provided with a connecting section for a complementary plug connector. Such a plug connector is particularly suitable for the attachment technique by threads M8 and M12 and can be used in accordance with DIN EN 60947-5-2 as a female plug or pin plug. Because of its compact design the plug connector according to the invention is in particular suitable for conversion of PG threads to metric threads. By using insulation displacement contacts it is possible to achieve a particularly rapid mounting of the cable to be connected on the plug connector and dismounting thereof, respectively. Apart from a pair of pliers and a knife for cutting the cable to the proper length and for removing part of the cable sheathing no special tool is required for this mounting and dismounting, respectively. The plug contacts can be arranged in the insulation displacement contact carrier and plug contact carrier with a high packing density, so that especially small dimensions can be achieved for the plug connector.
REFERENCES:
patent: 4497530 (1985-02-01), Shannon
patent: 4969839 (1990-11-01), Nilsson
patent: 5100341 (1992-03-01), Czyz et al.
patent: 5305547 (1994-04-01), Weiss
patent: 5662492 (1997-09-01), Weiss
Engelmann Gunter
Harting Dietmar
Schoch Volker
Schreier Stephan
Wellmann Christa
Cook Alex McFarron Manzo Cummings & Mehler, Ltd.
Harting KGAA
Patel Tulsidas
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