Multisurface cross point switching mechanisms

Claim 1

A PUSHBUTTOM CONTROLLED CROSSPOINT SWITCHING ASSEMBLY FOR CONTROLLING ELECTRICAL CIRCUIT COMPRISING AN ARRAY OF PUSHBUTTOM MEANS, A GUIDE PLATE FOR MOUNTING SAID PUSHBUTTOM MEANS FOR LINEAR MOVEMENT, AT LEAST ONE EXPANDABLE SPRING CONDUCTOR, MEANS FOR SUPPORTING SAID SPRING CONDUCTOR BELOW SAID GUIDE PLATE AND VARIOUS ONES OF SAID PUSHBUTTOM MEANS TO ALLOW SAID CONDUCTOR TO BE EXPANDED BY ENGAGEMENT WITH SAID PUSHBUTTOM MEANS UPON THE DEPRESSION OF ANY ONE OF SAID PUSHBUTTON MEANS, CIRCUIT MEANS COMPRISING AN ARRAY OF SWITCHING CROSSPOINTS, EACH AXIALLY ALIGNED WITH ONE OF SAID PUSHBUTTON MEANS, MEANS FOR SUPPORTING SAID CIRCUIT MEANS IN RELATIONSHIP TO SAID SPRING CONDUCTOR TO ALLOW ENGAGEMENT OF THAT CROSSPOINT OF SAID CIRCUIT MEANS ALIGNED WITH A PARTIALLY DEPRESSED PUSHBUTTON MEANS WITH THE EXPANDED PORTION OF SAID SPRING CONDUCTOR, SAID PUSHBUTTON MEANS BEING DEPRESSABLE BEYOND THE POINT OF PROVIDING ENGAGEMENT BETWEEN SAID CIRCUIT MEANS AND SAID SPRING CONDUCTOR TO FURTHER EXPAND SAID CONDUCTOR AND TO PROVIDE A WIPING CONTACT BETWEEN SAID CONDUCTOR AND SAID CIRCUIT MEANS AND MEANS MOUNTED BETWEEN SAID CIRCUIT MEANS AND SAID SPRING CONDUCTOR FOR INSULATING SAID CIRCUIT MEANS FROM SAID UNITARY SPRING CONDUCTOR WHEN NO ONE OF SAID PUSHBUTTON MEANS IS DEPRESSED.