Patent ID: 7370783

Claim:
A separator of stacked sheets, where the sheets are provided as blocks of stacked sheets, the blocks delimited by corresponding pre-cut lines positioned such that each sector of these blocks forms a cardboard box, the separator comprising: first and second conveyor belts mounted on corresponding first and second moveable frames, operable to tilt centrally and upwards to obtain separation between sheets, along the pre-cut lines of the blocks which are positioned on the first and second conveyor belts, with the pre-cut lines positioned in a central area established between both belts where first and second internal rollers are mounted, such that, in combination with first and second external rollers and tensing and lower rollers, means of support and movement for the first and second conveyor belts are formed, the conveyor belts driven by corresponding first and second traction rollers set up between the first and second tensing and lower rollers with first and second cylinders positioned centrally beneath the internal rollers such that activation of the first and second cylinders raises and upwardly pivots the first and second mobile frames, the first and second conveyor belts and the first and second internal rollers with the external rollers remaining static.