Electricity: conductors and insulators – Conduits – cables or conductors – Combined
Patent
1993-11-12
1995-07-11
Nimmo, Morris H.
Electricity: conductors and insulators
Conduits, cables or conductors
Combined
174 74R, 174 88C, 174 88S, H02G 1506
Patent
active
054323010
ABSTRACT:
An electrical cable has ground wires for grounding or shielding the interior of the cable. Segments of the wires project from the cable and are uninsulated. A clamp for fixing the cable and connecting the ground wires to ground includes a plastic insulating sleeve which is slipped over the cable. The sleeve has an axial extension at one end and clamping fingers at the other end. The extension is provided with a resilient, generally annular circumferential projection and the sleeve is placed on the cable with the extension adjacent the uninsulated wire segments. The latter are bent onto the extension so as to overlie the projection. The extension and its overlying wire segments are inserted in an externally threaded, electrically conductive clamping collar. The internal diameter of that part of the clamping collar which surrounds the projection and its overlying wire segments is smaller than the outer diameter of the projection and its overlying wire segments. Thus, the projection is compressed upon insertion of the extension in the clamping collar and urges the wire segments into firm electrical contact with the conductive clamping collar. An internally threaded backing collar is slid over the clamping fingers and brought into mesh with the clamping collar. The backing collar contacts the free ends of the clamping fingers and biases the fingers against the cable as the backing collar and clamping collar are tightened.
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Anton Hummel Verwaltungs - GmbH
Nimmo Morris H.
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