Sheet alignment device for a sheet processing machine, such as a printer, has an alignment mechanism with a progressive spring characteristic that is suitable for aligning papers of varying weights

摘要

Device for sideways alignment of sheets in a sheet-processing printer has a pulling device with a driven transport roller (10) and a swab roller (11) mounted on a pivoting lever (13). The pressing force of the swab roller is adjusted by spring means (16) acting on it. The spring means have a progressive spring characteristic.