Timing devices

Claim 1

A MULTIPLE STATION CONTROL TIMING DEVICE COMPRISING: A PLURALITY OF STATIONARY TIMING UNITS, ONE FOR EACH STATION OF SAID APPARATUS, EACH OF SAID TIMING UNITS INCLUDING A MANUALLY ADJUSTABLE ELECTRICALLY CONDUCTIVE CONTACT ARM; A MOTOR MEANS CONNECTED TO A SOURCE OF ELECTRIC POTENTIAL; FIRST ELECTRICAL CONNECTION MEANS FOR INTERCONNECTING EACH OF SAID ARMS WITH SAID MOTOR MEANS, SAID FIRST ELECTRICAL CONNECTION MEANS INCLUDING AN ELECTRICALLY CONDUCTIVE RING MOUNTED ON AN INTEMEDIATE PLATE; A PRINTED CIRCUIT PLATE DISPOSED BELOW SAID TIMING UNITS, SAID PLATE BEING OF NON-ELECTRICALLY CONDUCTIVE MATERIAL HAVING ELECTRICALLY CONDUCTIVE PATH MEANS OPPOSED TO SAID TIMING UNITS; SAID ELECTRICALLY CONDUCTIVE PATH MEANS INCLUDING A CONTINUOUS RING PATH AND A PROJECTING PORTION EXTENDING RADIALLY OUTWARD FROM SAID RING, SAID PROJECTING PORTION BEING CONTACTED BY SAID CONTACT ARMS AND HAVING OUTER EDGES ALIGNED WITH RADII OF SAID RING AND CONVERGENT INNER EDGES OF SAID PROJECTION DEFINING AN ELECTRICALLY NON-CONDUCTIVE PORTION OF SAID PLATE; AND A SECOND ELECTRICAL CONNECTION MEANS FOR ELECTRICALLY INTERCONNECTING SAID CONTINUOUS RING PATH WITH SAID SOURCE OF ELECTRICAL POTENTIAL WHEREBY SAID MOTOR MEANS IS OPERATED WHEN ONE OF SAID CONTACT ARMS CONTACTS SAID PROJECTING PORTION OF SAID CIRCUIT PLATE PATH MEANS.