Cam operated sequential switching device

Claim 1

AN ELECTRICAL SWITCHING ARRANGEMENT COMPRISING: A NONCONDUCTIVE MOUNTING MEMBER; A FIRST RESILIENT CONDUCTIVE CONTACT ELEMENT MOUNTED ON SAID MOUNTING MEMBER AND ADAPTED TO BE CONNECTED TO AN ELECTRICAL CONDUCTOR; A SECOND RESILIENT CONDUCTIVE CONTACT ELEMENT MOUNTED ON SAID MOUNTING MEMBER SO AS TO BE SPACED FROM AND IN OVERLAPPING ALIGNMENT WITH SAID FIRST CONTACT ELEMENT AND ADAPTED TO BE CONNECTED TO AN ELECTRICAL CONNECTOR; A CONTACT ON SAID FIRST ELEMENT AND A CONTACT ON SAID SECOND ELEMENT SPACED FROM THE CONTACT ON SAID FIRST ELEMENT AND ENGAGEABLE BY BIASING OF SAID SECOND ELEMENT WITH THE CONTACT ON SAID FIRST ELEMENT, SAID FIRST ELEMENT FORMING WITH THE OVERLYING SAID SECOND ELEMENT, A CONTACT PAIR; A LUG MEMBER EXTENDING TRANSVERSELY FROM THE END OF SAID FIRST CONDUCTING ELEMENT AND A PROJECTION MEMBER EXTENDING FROM THE END OF SAID SECOND CONDUCTING ELEMENT, WHEREBY SAID PROJECTION MEMBER EXTENDS FROM SAID SECOND CONDUCTIVE ELEMENT IN THE SAME DIRECTION AS SAID LUG MEMBER; AN ELECTRIC MOTOR SECURED TO SAID MOUNTING MEMBER AND HAVING A ROTATABLE SHAFT PROJECTING PERPENDICULARLY FROM SAID MOUNTING MEMBER AT A POSITION ALIGNED WITH SAID LUG MEMBER AND SAID PROJECTION MEMBER; A SINGLE CIRCULAR CAM PLATE SECURED FOR ROTATION ON SAID SHAFT AND PARALLEL TO SAID MOUNTING MEMBER, SAID CAM PLATE HAVING A PLURALITY OF COPLANAR, CONCENTRIC ANNULAR CAM SURFACES COAXIAL WITH SAID SHAFT; ONE OF SAID SURFACES BEING IN ENGAGEMENT WITH SAID FIRST CONTACT ELEMENT AND BIASING SAID CONTACT IN THE DIRECTION AWAY FROM SAID CAM PLATE, THE REMAINING ONE OF SAID CAM SURFACES BEING IN ENGAGEMENT WITH SAID SECOND CONTACT ELEMENT AND BIASING SAID CONTACT IN THE DIRECTION AWAY FROM SAID PLATE; AND ONE OF SAID ANNULAR SURFACES BEING ARRANGED WITH RESPECT TO THE ADJACENT SURFACE TO FORM A CAMMING PAIR FOR SIMULTANEOUSLY BIASING DURING ROTATION OF SAID CAM THE OVERLYING SAID FIRST AND SECOND CONTACTS AWAY FROM SAID CAM, ABRUPTLY RESTORING SAID SECOND CONTACT ELEMENT SO AS TO MAKE RAPID CONNECTION BETWEEN THE PAIR OF OVERLYING CONTACTS, ABRUPTLY RESTORING SAID FIRST CONTACT ELEMENT SO AS TO RAPIDLY BREAK CONNECTION BETWEEN THE PAIR OF CONTACTS.