Patent ID: 6071223
Filing Date: 2000-06-06
Classification: B65H

Abstract:
A leading edge directing system for directing the leading edge of a pre-folded form to begin a folded stack, comprising:a stacking platform for stacking said pre-folded form, said stacking platform having front and rear sides;an entry path above said stacking platform through which said pre-folded form is introduced toward said stacking platform;a first guide member, movably mounted along said entry path on said front side of said stacking platform and above said stacking platform;a second guide member, movably mounted along said entry path on said rear side of said stacking platform and above said stacking platform;a position determining system for defining a position of the continuous form;at least one motor linked to each of said first and second guide members, for moving said first and second guide members; anda connection between said first and second guide members for maintaining a substantially constant separation between said first and second guide members over an entire range of movement of said first and second guide members, only one of said first and second guide members contacting the continuous form at any position within said entire range of movement of said first and second guide members; anda controller, connected to said position determining system and said motor, for moving both of said first and second guide members relative to one another and depending on said position of the pre-folded form defined by the position determining system, only one of said first and second guide members pushing a leading edge of the pre-folded form toward one of said front and rear sides of said stacking platform at any position within said entire range of movement.