The device is for feeding articles to a packaging line that inserts the articles into respective containers, and includes a continuously moving supplementary line that transfers articles to the packaging line. The supplementary line is equipped with a plurality of holders, removably fastened to a conveyor of the same line by connecting means. The articles are supplied to the holders by an article feeding line, at a loading station. Raising means release the connecting means from the conveyor at the loading station, so as to temporarily stop the holder to be loaded.