Patent ID: 8419604
Filing Date: 2013-04-16
Classification: B65H

Abstract:
1. A device for folding flat articles such as sheets of paper, plastic, cardboard and the like, the device comprising: conveying elements embodied as rollers that are arranged axis-parallel to each other, are rotatably driven, and form a part of a conveying unit, wherein the conveying unit comprises at least a first pair and a second pair of the rollers; wherein the flat articles during transport through the device in a transport direction are conveyed between the nip between neighboring oppositely rotating rollers, respectively; wherein the conveying unit is configured to pivot about a pivot axis and by pivoting the conveying unit about the pivot axis at least some of the rollers are adjustable between at least two positions for performing different folding actions on the flat article; wherein, for producing a fold on a flat article, the first pair of the rollers that produce the fold are stopped when the flat article is located in a nip of the first pair of the rollers and a rotational direction of the first pair of the rollers is then reversed while the second pair of the rollers upstream of the first pair of the rollers continue to transport the flat article in the transport direction.