Patent ID: 9610625
Date: 2017-04-04
CPC Classifications: B21D

Claim:
1. A bending machine comprising a frame and a bending device, the bending device comprising three rollers, namely a first roller having an axis (x 1 ) that is fixed relative to the frame and second and third rollers having respective axes (x 2 , x 3 ) that are movable relative to each other, and hence each relative to the axis (x 1 ) of the first roller, so as to define a curved path with an adjustable radius of curvature along which a material to be bent is caused to move passing between said rollers, the bending device further comprising movable bearings supporting respective shafts on which the second and third rollers are mounted, the bending device further comprising an adjustment mechanism for adjusting the position of the axes (x the adjustment mechanism comprising a pair of tilting arms hinged to the frame so as to tilt about respective axes of rotation (x wherein the axes (x wherein the adjustment mechanism further comprises second adjustment elements for adjusting the linear position of the axes (x