To provide a device having a feeder 7 and capable of controlling the movement of packaged products as well as possible over the whole treating process in the device for piling up the packaged products 2 and delivering a piled-up bundle 3 to a packaged product conveying mechanism 4.

The feeder 7 is disposed parallel at the side part of the packaged product conveying mechanism 4 and above a cartridge module 10 having at least one piling pocket 11. The cartridge module 10 is provided with a lifting device 12 for changing/adjusting the bottom part height of the piling pocket 11 according to the number of packaged products 2 piled up in the piling pocket 11. The cartridge module 10 is shiftable in a conveying direction 22 synchronously with the packaged product conveying mechanism 4 during the transfer of the piled-up bundle 3 of the packaged products to the packaged product conveying mechanism 4 by a thrust pusher 13 vertically shiftable in the conveying direction 22.