Contact spring set with self-retaining contact elements

Claim 1

A CONTACT SPRING SET COMPRISING AT LEAST ONE CONTACT UNIT INCLUDING A GROUP OF CONTAITS, HAVING AT LEAST ONE MOVABLE CONTACT, FORMING A COMPACT STRUCTURAL ASSEMBLY, SAID CONTACT UNIT COMPRISING AN INSULATING BODY HAVING LONGITUDINALLY EXTENDING CHANNELS FORMED THEREIN FOR THE RECEPTION OF ELONGATED CONTACT ELEMENTS RESPECTIVELY INSERTED IN SAID CHANNELS WITH THE OPPOSITE ENDS THEREOF EXTENDING FROM THE CORRESPONDING CHANNEL, EACH CONTACT ELEMENT HAVING AN INITIALLY ARCHED PORTION WHICH EXTENDS, IN INSERTED POSITION OF THE CORRESPONDING CONTACT ELEMENT, WITHIN THE RESPECTIVE CHANNEL SO AS TO HOLD SUCH CONTACT ELEMENT IN PRESSURE ENGAGEMENT WITH THE WALLS OF THE CHANNEL, AND PERFORMED MENS ON EACH CONTACT ELEMENT, OPERATIVE UPON INSERTION THEREOF WITHIN THE RESPECTIVE CHANNEL, TO INTERLOCK WITH SAID INSULATING BODY FOR ADDITIONALLY RETAINING SUCH CONTACT ELEMENT IN PLACE IN INSERTED POSITION.