Selector for postage meters

Claim 1

IN AN APPARATUS FOR PRINTING MONETARY AMOUNTS THE COMBINATION OF A PLURALITY OF ROTATABLE NUMBER DISCS EACH ADAPTED TO SELECT ONE OF A SERIES OF NUMBERS AND EACH ADAPTED TO CONTROL PRINTING MEANS FOR DIFFERENT DIGITS, SAID PLURALITY OF NUMBER DISCS INCLUDING A SELECTOR DISC FOR THE HIGHEST DIGIT, MEANS FOR SHIFTING SAID PLURALITY OF NUMBER DISCS TO A FIRST LIMIT POSITION AND TO A SECOND LIMIT POSITION, SAID SECOND LIMIT POSITION BEING ADAPTED TO ESTABLISH OPERATIVE CONTROL BY SAID PLURALITY OF NUMBER DISCS OVER SAID PRINTING MEANS, A PLURALITY OF MANUALLY OPERABLE SELECTOR ELEMENTS EACH ADAPTED TO CAUSE ROTATION OF ONE OF SAID PLURALITY OF NUMBER DISCS AND EACH FORMING AN INTEGRAL PART OF ONE OF SAID PLURALITY OF NUMBER DISCS, AN INTERLOCKING MEANS OPERATIVE IN SAID SECOND LIMIT POSITION OF SAID PLURALITY OF NUMBER DISCS, NORMALLY INTERLOCKING SAID HIGHEST DIGIT SELECTOR DISC AND ONE OF SAID PLURALITY OF SELECTOR ELEMENTS FORMING AN INTEGRAL PART OF SAID HIGHEST DIGIT SELECTOR DISC IN THE ZERO POSITION THEREOF TO PRECLUDE UNINTENTIONAL JOINT ROTATION OF SAID HIGHEST DIGIT SELECTOR DISC AND ANOTHER OF SAID PLURALITY OF NUMBER DISCS AND SELECTOR MEANS, AND MANUALLY OPERABLE MEANS FOR RENDERING SAID INTERLOCKING MEANS INEFFECTIVE TO ALLOW UPON OPERATION OF SAID MANUALLY OPERABLE MEANS JOINT ROTATION OF SAID HIGHEST DIGIT SELECTOR DISC AND OF ANOTHER OF SAID PLURALITY OF NUMBER DISCS.