Patent ID: 9089889
Filing Date: 2015-07-28
Classification: B21D

Abstract:
1. A device for flanging the end of a metal tube to achieve a circumferential surface extending outward at right angles from the tube, the device comprising: a flanging tool that is attachable to the end of the metal tube, the flanging tool having a guiding arrangement comprising a rotating shaft and a pressure element having a radial end position, the guiding arrangement comprising a shifting mechanism driven by the rotating shaft that shifts the pressure element in an outward radial direction with respect to the metal tube, wherein the shifting mechanism is configured to stop shifting the pressure element if the radial end position of the pressure element is reached and permit rotation of the rotating shaft when the radial end position is reached, wherein the shifting mechanism comprises a cam gear having a first guiding wheel that comprises a guiding groove, the pressure element engaging with the guiding groove to shift the pressure element in the radial direction.