| CPC B65B 35/58 (2013.01) [B65B 5/06 (2013.01); B65B 5/105 (2013.01); B65B 29/022 (2017.08); B65B 35/24 (2013.01); B65B 35/26 (2013.01); B65B 35/38 (2013.01); B65G 47/1492 (2013.01); B65G 47/91 (2013.01)] | 21 Claims |

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1. A feeder device for articles to be packaged with a packaging apparatus, wherein the articles are configured to be transported on a first conveying line, the feeder device comprising:
at least one transfer device, to transfer the articles from said first conveying line to a second conveying line of the packaging apparatus, the at least one transfer device comprising a self-moving transfer arm, and a respective gripping device moved by said self-moving transfer arm,
wherein the gripping device is configured to remove said articles, and comprises a plurality of gripping elements, each gripping element configured to pick up a single article of said articles, the gripping elements being mutually movable from a first configuration, where the gripping elements are aligned with each other along a single row to match a corresponding row of articles in said first conveying line, and to grip the articles of said corresponding row of articles from the first conveying line, to a second configuration, where at least two of the gripping elements are staggered with respect to each other, to lay the articles on the second conveying line according to a predetermined pattern.
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