Patent ID: 7537558
Filing Date: 2009-05-26
Classification: B42C,B65H

Abstract:
1. A device for forming a fold in at least one sheet that extends along a first direction, the device comprising: a blade that moves in a second direction that intersects the first direction to contact the at least one sheet at a first position; a pair of rolls forming a nip, the nip being disposed along a path of the section of the at least one sheet that moves in the second direction; and at least one spring loaded assist idler roller assembly that contacts the at least one sheet at least at a second position, which is different from the first position, to move a section of the at least one sheet in the second direction; wherein the spring loaded assist idler roller assembly includes: at least one spring loaded assist idler that provides a nip force on the at least one sheet by contacting the pair of rolls and translating perpendicular to the second direction.