ADJUSTABLE PRESSURE DRIVING SHAFT OF DOCUMENT PRINTER FEEDER MECHANISM FOR DIFFERENT DOCUMENT THICKNESSES

摘要

The adjustable pressure-driving shaft of document printer feeder mechanism for different document thicknesses solves the problem of reliable and exact feeding of documents like booklets of different thickness particularly for flat bed printers. Inside the stirrup support (5) there are flexibly inserted stirrups (3) subjected to the spring (4) force. The screw (6) helps to adjust the pressure level exerted onto the document. The shaft segments with cofeeding - pressure cylinders (1) are connected by torsion resistant clutches (2) and help to prevent the distortion error caused by shaft (1) segments.