Patent ID: 6742371
Filing Date: 2004-06-01
Classification: B21D

Abstract:
A forming-machine for sheet metal parts, by stretching on a tool or form, which tool is arranged transversally to a central portion of a frame extending longitudinally, wherein jaws are arranged on either side of the tool, each provided on a cradle that is actuated by two pairs of oscillating control jacks, wherein a pair of quasi-horizontal jacks is anchored to the corresponding end of said frame and a pair of quasi-vertical jacks is anchored to the lower end of the central portion of the frame extending in the form of a bracket, wherein the jaws and their respective cradles are guided with respect to said frame so that one of their points is retained in a vertical longitudinal plane,wherein a retaining means of a point of each jaw and cradle in the vertical longitudinal plane comprises guiding means provided directly on a roll of one of the control jacks of each jaw designed as a control and guiding jack and, on the frame, in order to permanently keep the axis of said control and guiding jack in said vertical longitudinal plane.