Flat-contact plug socket

Flat-contact plug socket comprising

• a connecting area for an electrical conductor;
• a socket body with at least two oppositely arranged contact arms on the socket body, said contact arms having free ends and being bent back at the free ends and elastically abutting each other over partial lengths in an interval of the free ends in the direction of the socket body;
• an outer spring attached at its base on the socket body and provided with at least two outer spring arm parts on opposite wall segments, the outer spring arm parts abutting the contact arms;
• the arm parts each having a free end and said free ends of the outer spring arm parts being bent back towards each other and in a plugging direction, said arm parts being partially bent back over the free ends of the contact arms, and said arm parts being pressed onto the free ends of the contact arms;
• and
• the outer spring body and the socket body having coaxial recesses for connecting a locking tongue formed elastically on the socket body of the plug socket.

Method for manufacturing an outer spring comprising the steps of:

• cutting from a flat metal sheet a base of an outer spring together with overspring arm parts so as to leave a link connection on a transport strip provided with spacing holes;
• subsequently folding the base of the outer spring and the outer spring arms in order to form the outer spring;
• winding the transport strip into a coil;
• and
• separating the outer spring from the transport strip in an area of the link connection for attachment onto a socket body.