Shielded electrical cable assembly with shielding back shell

A shielded electrical cable assembly for insertion into an aperture in a shielding plate from one side thereof to mate with a header on the other side of the shielding plate, the cable assembly comprising;

• a forward electrical connector for reception in the header and having a forward insulative housing with a mating forward face and a rear face, first electrical terminals in the forward housing each having a forward mating portion for mating with a respective second electrical terminal in the header, by way of the mating face, and a rearward connecting portion connected to a respective lead of a shielded electrical cable extending rearwardly from the rear face of the forward housing;
• a rear insulative housing block secured to the forward housing and defining a through opening through which unshielded leads of the shielded cable extend, said rear housing block being overmoulded to the unshielded portions of the leads to provide a strain relief module;
• and
• a shielding back shell secured about the strain relief members and the leads of the shielded cable, a rearward portion of the shielding back shell being secured to the shielding of the shielded cable whereby the unshielded portions of the leads are shielded by the back shell, there projecting forwardly from the forward edge of the back shell a pair of latches disposed on opposite sides of the back shell, the latches having latch arms that overlie the back shell rearwardly of the forward edge thereof.

A back shell for a shielded electrical cable assembly, the back shell comprising;

• a first back shell part of substantially U-shaped cross section having a base wall and side walls projecting normally from opposite edges of the base wall, the base wall having a forward portion and a rear portion, a first section of each side wall projecting from said rear portion and a second portion of each side wall projecting from said forward portion, opposed latches each having a root portion extending from the forward edge of a respective one of the first side wall sections, a latch arm extending beside the respective one of the side walls in spaced relationship thereto, and a bight connecting the root portion to the latch arm and the latch being thereby of reversely bent configuration, a latching ledge being provided on each latch arm;
• and
• a second back shell part having a base wall and side walls extending normally from opposite edges of the base wall, the base wall having a forward end portion and a rear end portion, a rear end portion of the base wall having a pair of clinching portions upstanding therefrom substantially beyond the side walls of the second back shell part, in the same direction as those side walls, and wherein the side walls of the first back shell part are receivable between the side walls of the second back shell part with the root portions of the latches of the first back shell part projecting forwardly beyond the forward end portion of the base wall of the second back shell part, with the rear portion of the base wall of the first back shell part and the rear sections of the side walls of the first back shell part between the clinching portions of the second back shell part and the clinching portions projecting beyond the rear portion of the base wall of the first back shell part.