Electrical relay having contact operating means arranged for minimizing friction

Claim 1

IN AN ELECTRIC RELAY, AN INSULATION BASE, A PLURALITY OF TERMINAL MEMBERS INSERTED IN SLOTS IN SAID BASE, A PLURALITY OF CONTACT MEMBERS MOUNTED ON SOME OF SAID TERMINAL MEMBERS ON ONE SIDE BASE, A PLURALITY OF FLEXIBLE CONTACT MEMBERS MOUNTED ON OTHER OF SAID TERMINAL MEMBERS ON SAID SIDE OF THE BASE AND MOVABLE TO ENGAGE AND DISENGAGE SAID FIRST MENTIONED CONTACT MEMBERS, AN ELECTROMAGNETIC HAVING A U-SHAPED FRAME MOUNTED ON SAID SIDE OF THE BASE, A SOLENOID AND CORE EMBRACED BY SAID FRAME AND ATTACHED THERETO, AND ARMATURE EDGESUPPORTED ADJACENT ONE END ON ONE SIDE OF SAID U-SHAPED FRAME, A SLIDABLE INSULATING MEMBER SLIDABLE OVER THE OTHER SIDE OF SAID FRAME AND ENGAGED WITH SAID FLEXIBLE CONTACTS FOR MOVING THEM AND ENGAGED WITH AND MOVED BY SAID ARMATURE, AND A RETAINING MEMBER AFFIXED TO SAID FRAME HOLDING SAID SLIDABLE MEMBER ON SAID FRAME, SAID FRAME AND RETAINING MEMBER HAVING OPPOSED SURFACES, GUIDING THE MOVEMENT OF SAID SLIDABLE MEMBER BETWEEN SAID FRAME AND SAID RETAINING MEMBER.