Patent ID: 6401512
Filing Date: 2002-06-11
Classification: B21D

Abstract:
A bending press for bending metal sheets, comprisinga fixed bottom panel having two side edges, a vertical transverse midplane, and a free top portion having two ends, said bottom panel being provided with two notches, said two notches being disposed symmetrically with respect to said vertical transverse midplane; each notch having a top wall, a bottom wall and a back wall for interconnecting said top and bottom walls and an opening disposed within one of said side edges, said two notches defining within said bottom panel a lower fixed bottom panel portion disposed below said notches and upper deformable bottom panel portions disposed above said notches; a movable top panel disposed above said bottom panel; drive members disposed close to side edges of said bottom panel for moving said top panel in a vertical plane, said free top portion of the bottom panel having a deformation curve under the action of said movable top panel; and two displacement members, each displacement member being disposed within one of said notches, each one of said displacement members interconnecting said top wall and said bottom wall of one of said two notches and being adapted to move said top wall of said notch towards said bottom wall of said notch, whereby said deformation curve of said free top portion of said bottom panel is modified in a controlled manner.