Lyner

Claim 1

IN A COMPUTING TIME CLOCK CONSTRUCTION FOR USE WITH A CARD, A BASE ELEMENT, FIRST AND SECOND CARD CARRIER ELEMENTS ARRANGED FOR MOVEMENT IN GENERALLY PARALLEL PLANES UPON SAID BASE ELEMENT, CLOCK MEANS FOR DRIVING SAID FIRST CARD CARRIER ELEMENT IN A FIRST DIRECTION IN RELATION TO ELAPSED TIME, MEANS FOR MOVING SAID FIRST CARD CARRIER ELEMENT IN A SECOND OPPOSITE DIRECTION AT THE COMPLETION OF A TIME CYCLE, TIME COMPUTING MEANS SELECTIVELY ENGAGEABLE WITH SAID SECOND CARD CARRIER ELEMENT FOR DRIVING SAID SECOND CARD CARRIER ELEMENT IN SAID SECOND DIRECTION IN RELATION TO MARKED INDICIA UPON SAID CARD, AND COOPERATIVE MEANS ON SAID FIRST AND SECOND CARD CARRIER ELEMENTS FOR LIMITING MOVEMENT OF SAID SECOND CARD CARRIER ELEMENT IN SAID FIRST DIRECTION TO THE CORRESPONDING POSITION OF SAID FIRST CARD CARRIER ELEMENT, SAID SECOND CARD CARRIER ELEMENT BEING SHIFTABLE UNDER THE ACTION OF GRAVITY TO FOLLOW THE PATH OF SAID FIRST CARD CARRIER ELEMENT DURING DISENGAGEMENT OF SAID TIME COMPUTING MEANS, AND MARKING MEANS DISPOSED ADJACENT SAID CARD CARRIER ELEMENTS FOR PLACING A PAIR OF SPACED INDICIA ON A CARD DISPOSED IN ONE OF SAID CARD CARRIER ELEMENTS, THE DISTANCE BETWEEN SPACED INDICIA CORRESPONDING TO A PERIOD OF ELAPSED TIME, AND SCANNING MEANS DISPOSED IN THE AREA OF SAID SECOND CARD CARRIER ELEMENT FOR CONTROLLING OPERATION OF SAID TIME COMPUTING MEANS.