Folding apparatus for web-fed rotary printing presses

摘要: A folding apparatus for web-fed rotating printing presses which comprises a machine wall, knives, and one movable blade. fixed blade stop is provided. One blade, operating against the stop, coordinated to each of knives. knife cylinder, two double-armed levers. The knives are guided under taut spring action disposed on double levers has cam roller, engages temporarily duration rearward movement cylinder swingable segment. hub provided fastened surfaces extending at an obtuse angle other, adapted fixing position switch blocking control circuit least forward movements controlled by cam.