Step switch with extended contact range

Claim 1

IN A COUNTING SWITCH, A SYSTEM OF TOTALIZING CONTACTS COMPRISING AT LEAST THREE CONCENTRIC RINGS OF STATIONARY CONTACTS, A SHAFT ROTATABLE CONCENTRICALLY OF SAID RINGS; A PLURALITY OF MOVABLE CONTACT FINGERS EACH ROTATABLE BY CONNECTION WITH SAID SHAFT TO ENGAGE CERTAIN OF SAID RINGS OF CONTACTS, TWO ADJACENT ONES OF SAID RINGS OF CONTACTS INCLUDING A PLURALITY OF SEPARATELY CONNECTIBLE COUNTING CONTACTS ELECTRICALLY DISCONNECTED FROM ONE ANOTHER AND SPACED BY GAPS THEREBETWEEN WHICH ARE RADIALLY ELONGATED TO LIE IN BOTH SAID RINGS SO AS TO BE ENGAGED BY CONTACT FINGERS TRAVERSING EITHER RING, THE CONTACT FINGERS TRAVERSING AT LEAST ONE PARTICULAR RING OF SAID TWO ADJACENT RINGS BEING IN SUCH PLURAL NUMBER AND ANGULAR SPACING THAT THE CONTACTS OF SAID PARTICULAR RING WILL EACH BE TRAVERSED A PLURALITY OF TIMES FOR EACH REVOLUTION OF SAID SHAFT TO COUNT DIGITAL VALUES IN A TOTALIZING CIRCUIT MEANS CONNECTING WITH SAID CONTACT SYSTEM.