MEZZI DI BLOCCARDIO IN BATTTERI PER TESTE DI TAGLIERINA LONGITU DINALE

摘要

Slitting apparatus for trimming the edges of a web of corrugated board and longitudinally cutting the web into a plurality of narrow webs is constructed with selectively operable fluid operated means that clamps the working heads in adjusted positions along the length of their respective drive shafts. The fluid operated means includes a plurality of pressure bars extending parallel to the length of each shaft and disposed within different grooves thereof. The pressure bars are constructed of spring steel, and each is operatively positioned to clamp a plurality of heads in operating positions by engaging keys secured to these heads. The keys extend beyond the faces of the heads, and for each of the heads include notches that provide clearance for the extending portions of the keys secured to adjacent heads.