Rotary switch control unit

Claim 1

IN A ROTARY CONTROL UNIT, A SHAFT ROTATABLE ABOUT A FIRST AXIS, A PLURALITY OF CAMS MOUNTED ON SAID SHAFT FOR ROTATION THEREWITH AND SPACED THEREALONG, A PLURALITY OF MOVABLE ACTUATING MEMBERS ASSOCIATED WITH SAID CAMS AND MOVED UPON ROTATION OF SAID CAMS, AN INDEX CAM MOUNTED ON SAID SHAFT FOR ROTATION THEREWITH, INDEX CAM DETENT MEANS BIASED INTO ENGAGEMENT WITH SAID INDEX CAM, A PAIR OF STOP PLATES ENCIRCLING SAID SHAFT AND MOVABLE ABOUT SAID SHAFT RELATIVE TO EACH OTHER, A PROJECTION EXTENDING FROM THE PERIPHERY OF EACH OF SAID STOP PLATES, SAID RELATIVE MOVEMENT OF SAID STOP PLATES CAUSING SAID PROJECTIONS TO MOVE RELATIVE TO EACH OTHER AND SPACING SAID PROJECTIONS ANNULARLY ABOUT SAID SHAFT, MEANS FOR SECURING SAID STOP PLATES IN POSITION ON SAID SHAFT WITH SAID PROJECTIONS IN PREDETERMINED POSITIONS SO THAT SAID STOP PLATES ROTATE WITH SAID SHAFT, AND FIXED STOP MEANS IN THE PATH OF ROTARY MOVEMENT OF SAID PROJECTIONS TO LIMIT ROTATION OF SAID SHAFT THROUGH LESS THAN A COMPLETE REVOLUTION DETERMINED BY THE ANNULAR SPACING OF SAID PROJECTIONS.