Rotary switch with replaceable contact sets

Claim 1

A SWITCH FOR PRODUCING PREDETERMINED CIRCUIT CLOSING AND OPENING FUNCTIONS COMPRISING AN INSULATING SUPPORT HAVING SPACED MEMBERS, AT LEAST ONE OF SAID MEMBERS HAVING CONTACT LUGS MOUNTED THEREON IN SPACED RELATION, EACH CONTACT LUG HAVING A WIRING PROJECTION TO WHICH WIRING MAY BE CONNECTED AND A CONTACT PROJECTION, AT LEAST ONE STATIONARY CONTACT OF FLEXIBLE MATERIAL EXTENDING BETWEEN SAID MEMBERS, MEANS AT ONE END OF THE STATIONARY CONTACT AND ONE OF THE MEMBERS INCLUDING THE CONTACT PROJECTION OF SAID LUG TO LOCK THE STATIONARY CONTACT IN A FIXED POSITION RELATIVE TO SAID MEMBERS AND ELECTRICALLY CONNECT IT TO ITS CONTACT LUG, THE OPPOSITE END OF SID STATIONARY CONTACT BEARING DIRECTLY AGAINST THE OTHER SPACED MEMBER OF THE INSULATING SUPPORT, A ROTOR, MEANS MOUNTING SAID ROTOR TO ROTATE ON AN AXIS ADJACENT TO AND AT ONE SIDE OF SAID STATIONARY CONTACT AND BETWEEN THE SPACED MEMBERS OF SAID SUPPORT, SAID ROTOR HAVING A RADIAL DIMENSION TO BEAR AGAINST SAID FLEXIBLE STATIONARY CONTACT AND FLEX IT OUTWARDLY BETWEEN SAID SPACED MEMBERS, AND A CONTACT ON SAID ROTOR FOR ENGAGING SAID STATIONARY CONTACT WHEREBY THE ENGAGEMENT OF SAID ROTOR WITH SAID STATIONARY CONTACT HOLDS THE LATTER AGAINST THE SPACED MEMBERS OF THE SUPPORT IN INTERLOCKED RELATION WITH THE PROJECTION OF THE CONTACT LUG WHILE PERMITTING REMOVAL THEREOF BY FLEXING IT TO DISENGAGE ITS END FROM THE PROJECTION AND WITHDRAWING IT FROM BETWEEN THE MEMBERS WITHOUT DISASSEMBLING ANY REMAINING PART OF THE SWITCH OR WIRING THERETO.