Sorting conveyors, especially for postal systems

Claim 1

IN A STORING CONVEYOR SYSTEM, AN ENDLESS BELT COMPRISING MEANS PROVIDING A PLURALITY OF SLATS INDIVIDUALLY TILTABLE TO EFFECT SLIDING OFF OF PARCELS CARRIED ON A PLURALITY OF SLATS, EACH OF SAID SLATS BEING SUPPORTED ON A POST, A CARRIAGE FOR EACH SLAT AND THE RESPECTIVE POST BEING PIVOTALLY CARRIED THEREBY, SAID CARRIAGES BEING ARTICULATED, EACH CARRIAGE HAVING SUPPORT ROLLERS, AND TRACK MEANS ON WHICH SAID SUPPORT ROLLERS MOVE, A SPROCKET WHEELS PROVIDED END OF SAID BELT HAVING SPCED SPROCKET WHEELS PROVIDED WITH PERIPHERAL NOTCHES TO ENGAGE SID ROLLERS FOR EFFECTING DRIVE OF SAID BELT, ONE END OF EACH OF SAID POSTS BEING DISPOSED IN A GUIDE TRACK TO NORMALLY MAINTAIN LEVEL POSITION OF SAID SLATS, AT LEAST ONE DIVERTING STATION ALONG THE LENGTH OF SAID BELT, A TILT TRACK EXTENDING ALONGSIDE OF SAID GUIDE TRACK AND SPACED VERTICALLY AND HORIZONTALLY WITH RESPECT THERETO AND HAVING AN UPWARDLY RISING ENTRANCE PORTION DISPOSED AT SAID STATION AND SAID ENTRANCE PORTION BEING DISPOSED ADJACENT SAID GUIDE TRACK TO FORM A SWITCH JUNCTION, A TRACK SWITCH DISPOSED AT SAID JUNCTION ACTUATABLE TO SHIFT SAID POSTS FROM SAID GUIDE TRACK TO SAID TILT TRACK TO THEREBY EFFECT TILT OF SAID SLATS, SAID TILT TRACK HAVING AN EXIT PORTION SLANTING DOWNWARDLY TOWARD SAID GUIDE TRACK AND MERGING THEREWITH WHEREBY SAID POSTS ARE SHIFTED THEREINTO FOR EFFECTING LEVELLING OF SAID SLATS, SAID GUIDE TRACK HAVING A CURVED PORTION INTERMEDIATE THE SPROCKET WHEELS AND SUBSTANTIALLY CONCENTRIC THEREWITH WHEREBY SAID POSTS ARE GUIDED AROUND THE CENTER OF ROTATION OF SAID SPROCKET WHEELS WHEND SAID SLATS ARE MOVING FROM AN UPPER TO A LOWER FLIGHT OF SAID BELT.