Patent ID: 6129349
Filing Date: 2000-10-10
Classification: B65H,Y10S

Abstract:
A guide system for two-sided sheets of material, each sheet including a first side and a second side, the guide system comprising:a first area comprising a first conveying mechanism for propelling one of the sheets of material towards an active shunt, the active shunt being disposed between the first area and two possible paths including a first path leading to a second area and a second path leading to a third area,the active shunt being pivotable between a first position and a second position wherein, in the first position, the sheet of material is directed along the first path and the second path is blocked, and, in the second position, the sheet of material is directed along the second path and the first path is blocked,the active shunt also being disposed between the first area and a passive shunt,the passive shunt being disposed between the active shunt and the third area, the passive shunt also being disposed between the third area and the second area, the passive shunt also comprising a tapering wedge disposed between the second path and a third path leading from the third area to the second area,the third area comprising a second conveying mechanism, the second conveying mechanism being reversible wherein the second conveying mechanism drawing the sheet into the third area as the sheet passes through the second path and past the tapering wedge and the second conveying mechanism reversing directions to propel the sheet past the tapering wedge, along the third path and towards the second area, the tapering wedge extending away for the third path and towards the second path thereby blocking the sheet from entering the second path after it has been drawn into the third area by the second conveying mechanism, the second path extending around the tapering wedge in an S-shaped fashion,the first path delivering the sheet to the second area with the first side of the sheet oriented for printing,the third path delivering the sheet to the second area with the second side of the sheet oriented for printing.