Sheet feeder for printing machine, has clipper which includes stationary guide rollers and elevatable guide rollers, in which elevatable rollers are moved along vertical slide and coupled to spring

摘要

The feeder includes an endless belt (33) wound around a driving pulley (32) and a driven pulley (34), through a clipper (37). The clipper includes stationary guide rollers (38,39,41,42), and elevatable guide rollers (43,44). The elevatable rollers are moved along a vertical slide (46) and coupled to a spring (49).