Means for accumulating and displaying data

Claim 1

A CHART-HANDLING MECHANISM COMPRISING DRIVING MEANS FOR MOVING ALONG A PREDETERMINED PATH AN ENDLESS PREFOLDED CHART HAVING FOLD LINES BY MEANS OF WHICH THE CHART MAY BE ACCORDION FOLDED INTO A PLURALITY OF INDIVIDUAL PANELS, AND GUIDE MEANS OF SUBSTANTIAL LENGTH EXTENDING ALONG SAID PATH WITH A RCEIVING END THEREOF DISPOSED ADJACENT SAID DRIVING MEANS TO RECEIVE THEREON IN SUCCESSION AND IN SUPPORTING RELATION SAID PANELS AS THEY ARE DELIVERED THERETO BY SAID DRIVING MEANS, SAID GUIDE MEANS IN A REGION OF SAID PATH REMOVED FROM SAID DRIVING MEANS HAVING A CONFIGURATION PROVIDING A CHANGE IN THE PATH OF MOVEMENT OF THE CHART TO INDUCE SAID ACCORDION FOLDING OF SAID PANELS, SAID GUIDE MEANS IN A SUPPORTING REGION IN WHICH SAID ACCORDION FOLDING IS TAKING PLACE HAVING A CONFIGURATION FOR SUPPORTING THE PANELS ALONG THE REGIONS OF THEIR LOWERMOST FOLD LINES, SAID GUIDE MEANS IN A REGION DISPLACED FROM SAID SUPPORTING REGION HAVING A STORAGE REGION INCLUDING MEANS FOR RECEIVING IN SUPPORTING RELATION TABS OUTWARDLY EXTENDING FROM THE CHART AND DISPOSED NEAR THE APICES OF FOLD LINES WHEREBY SAID CHART IN SAID STORAGE REGION DISPLACED FROM SAID SUPPORTING MEANS IN SUPPORTED IN ACCORDION FOLDED RELATION ALONG A SUBSTANTIAL LENGTH OF SAID GUIDE MEANS, SAID GUIDE MEANS IN A REGION REMOVED FROM SAID STORAGE REGION HAVING A CONFIGURATION ESTABLISHING A SMOOTH PATH OVER WHICH SAID CHART IS UNFOLDED AND THE DIRECTION OF MOVEMENT REVERSED FOR RETURN OF THE CHART TO SAID DRIVING MEANS.