Patent ID: 8047133

Claim:
A cut-off register controller in a former assembly of a web-fed rotary printing press comprising: a first number of longitudinal fold formers in said former assembly, said first number of longitudinal fold formers being disposed side-by-side on a first former plane; a folding unit located after, in a direction of web travel, said former assembly; a web travel path from each of said first number of longitudinal fold formers to said folding unit; a roller pair located at, in the direction of web travel along the web travel path, an output of said former assembly, at least one of ribbons and partial ribbons coming from each of said first number of longitudinal fold formers along each said web travel path being combined over said roller pair to form a combined ribbon; a second number of control loops, each of said second number of control loops being adapted to control a cut-off register of one of said ribbons and partial ribbons coming from said first number of longitudinal fold formers, each of said second number of control loops being located downstream, in said direction of web travel, said fold formers and before said roller pair, said second number of control loops corresponding at least to said first number of said fold formers in said former assembly; at least one detector in each one of said second number of control loops; and at least one control element in each one of said second number of control loops, each said control element influencing one of a path length and a relative position between said at least one of ribbons and partial ribbons between each said fold former and said roller pair.