Patent ID: 9643811
Date: 2017-05-09
CPC Classifications: B65H

Claim:
1. A system for selectively C, Z or half-folding at least one sheet of paper of variable format, comprising: a pocket channel with a stop element to define a paper sheet position and positioning said at least one sheet according to a location of a recipient's address and a type of fold required, two folding rollers capable of folding the at least one sheet, wherein each roller has a respective diameter, the diameters of the two folding rollers being equal to one another, the two folding rollers arranged diametrically opposite to each other and forming a folding/nipping area, an inducing element movable towards and away from said folding/nipping area to define a fold line position, a cylindrical housing defining a curved guiding path, which substantially covers said two folding rollers, configured to receive and guide said at least one sheet completely around at least one of said two folding rollers during a folding cycle; wherein the system is capable of performing the folding cycle which is selectable from a C-folding cycle, Z-folding cycle or half-folding cycle; and wherein the two folding rollers rotate without changing their rotational direction during the entirety of any of the different selected folding cycles.