Device for controlling and regulating the pressure of a roll of material in an automatic-cutting dispenser

Device for controlling and regulating pressure exerted by a reel of material in a machine for dispensing a strip of wipe material, the machine being of the type comprising a housing which accommodates a protective cover, lateral end shields, a drum associated with a cutting mechanism, and a reel holder including a pair of reel-holder arms, wherein each end shield has a profiled cut-out and internally accommodates, around the cut-out, a pair of flanges arranged either side of the cut-out in lower and upper horizontal planes and enabling positioning and retention of a pivoting shaft and each shaft accommodates a flap which passes through a respective one of the end shields through a corresponding cut-out and protrudes externally beyond the respective one of said end shields, and each reel-holder arm has a tab to accommodate and fix a return means which is also attached to said flap, lowering of a reel-holder arm causing articulation of each flap and keeping the reel pushed against the drum with continuous pressure.