Patent ID: 7021104

Claim:
Device to absorb the axial loads generated on the rolls of a rolling stand comprising a pair of working rolls, a corresponding pair of back-up rolls, at least an intermediate roll located between one of said working rolls and a corresponding back-up roll, two pair of chocks for rotatably supporting said pair of back-up rolls, and a housing for supporting said two pair of chocks, holding means for supporting the axial loads on said back-up rolls caused by the crossing of said at least one intermediate roll, so that said axial loads are discharged onto elements with very low friction, of the rolling type, for annulling the hysteresis relating to the vertical movements of said back-up rolls and of said pair of chocks, wherein said holding means comprises at least a rolling bearing associated with each one of said chocks, wherein each one of said chocks comprises a mating groove and wherein said rolling bearing is able to be selectively inserted into said mating groove.