Patent ID: 8579652

Claim:
A fastening device for an electric cable, comprising: an outer casing; a nut configured to be screwed onto one side of the outer casing; and a clamping ring adapted to press against the cable when the cable is engaged with the outer casing and the nut is screwed onto the outer casing, the clamping ring including a slant on an outer surface and being adjusted by the nut; the clamping ring including a number of segments connected to one another and that are movable approximately radially, each of the segments having at least one projection on an inner surface such that the at least one projection is pressed in when the nut is screwed onto the outer casing, the nut comprising an outer casing and an inner casing, the inner casing being provided with a conical bevel and having dimensions such that the conical bevel cooperates with the slant on the outer surface of the clamping ring.