Device for pressing a stack of sheets against a roller drive of a papersheet separator

摘要

A device for pressing a stack (5) of sheets against a roller drive (2,4) of a papersheet separator, said device compromising a pivotable pressure plate (11) which is biased against the roller drive (2,4) by means of an adjustable leaf spring (12) in order to vary the pressure force. In this way a pressure force is obtained which suits paper sheets of different kinds. The device may be applied for example in printers and copiers.