Installation for sorting postal parcels or packets

An installation for sorting articles, comprising:

• a carousel sorting conveyor having article transport bins that are moved around a closed loop over a plurality of sorting outlets formed by respective storage receptacles,
• an article feed magazine in which bulk stored articles are put into series and then injected one-by-one into the transport bins of the conveyor while it is moving, and
• a monitoring and control unit that acts on the bins of the sorting conveyor so as to open each of them over a receptacle that corresponds to a delivery address of the article following a sorting plan stored in a memory in the monitoring and control unit, wherein the monitoring and control unit is configured to run the sorting into the receptacles of the sorting outlets in a plurality of passes, in that, during a first sorting pass, the parcels are sorted into first receptacles that are of high bulk storage capacity, and in that, during a subsequent sorting pass, the parcels are sorted into second sorting outlet receptacles that are of smaller bulk storage capacity than the first receptacles, wherein the first and second receptacles are wheeled receptacles,
• wherein each of the bins of the sorting conveyor is in the form of a rectangular platform equipped with a rim that is retractable on one side, and in that the articles are injected sideways onto the platforms that are placed in a tilted position during the injection.