Electrical connectors – Metallic connector or contact having movable or resilient... – Single operator for securing and joining plural conductors
Patent
1998-10-01
2000-06-20
Abrams, Neil
Electrical connectors
Metallic connector or contact having movable or resilient...
Single operator for securing and joining plural conductors
174 87, H01R 1103
Patent
active
060771291
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a connector that includes a first body having a through-passing channel for at least one cable, and a second body that includes a recess which is dimensioned to receive the first body and a cable end-part that is folded back against the mantle surface of the first body.
2. Description of the Related Art
Connectors of this kind are known from U.S. Pat. No. 1,458,247 for instance. A connector of this kind can be used either to enclose and electrically insulate conductor end-parts of an electric cable that have been stripped of their insulation, or to establish mutual electrical connection of several conductor end-parts.
In the known technique, the end-parts are clamped between two matching conical surfaces of which one is in screw coaction with a central screw. In order to insulate the connector, it is necessary to encase the connector in an electrically insulating cover.
Connectors of this known kind have many drawbacks. One drawback can be said to lie in the dependency of conductor attachment on the intrinsic elasticity of the conductor. Another drawback is that a pressure joint is required between the elements that fasten the end of the conductor. It is also impossible to seal the cable transit through the first body in a simple manner. Furthermore, there is no simple way in which the stripped end-part can be sealed within the connector.
SUMMARY OF THE INVENTION
Accordingly, one object of the invention is to provide a connector which will enable the conductor to be fastened in a simple fashion and to enable different sized conductors or a plurality of conductors to be fastened in the absence of a screw joint.
A further object is to provide a connector which enables the stripped end-parts of the cable/cables to be tightly enclosed within the connector.
These objects are achieved totally or partially with a connector for receiving at least one stripped conductor end-part of a cable, wherein the connector includes a first body having a through-passing cable accommodating channel, and a second body that includes a recess which is intended to receive the first body and said endpart, folded down onto the perimeter surface of the first body. The first body is radially deformable relative to the second body so as to clamp the conductor end-part between said bodies. The cross-sectional shape of the channel in the first body corresponds to the outer contour of a plurality of cables to be received in the connector and tightly combined parallel with one another. The second body is dimensioned such that when fitted onto the first body, the second body will cause an axial region of the first body to be compressed so that the channel wall of the first body will lie sealingly around the contour of the insulated parts of the combined cables while, at the same time, the cables sealingly connect with one another so as to shield the channel cross-section. In addition, the second body is cupped and the edge-part of the second body is adapted to seal against the perimeter of the first body.
Further embodiments of the inventive connector include dimensioning of the second body so as to elastically compress the first body in an axially extending region of the first body when the second body is fitted onto the first body, such as to bring the channel wall of the first body into sealing engagement with the perimeter of the cable insulation while elastically clamping the stripped conductor-part radially between the bodies at the same time. The perimeter or mantle surface of the first body may further include at least one generally axially extending groove adapted to receive the mutually twisted stripped end-parts of a number of cables corresponding to the number of openings in the first body. In a further embodiment, the second body is electrically conductive. The inventive connector may also be embodied such that at least an axially extending part-region of the inner surface of the second body or the outer surface of the first body is electr
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Abrams Neil
Webb Brian S.
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