A support arm assembly for pipe bending machines with automatic pipe positioning

Abstract From the Canadian patent

A support arm assembly for a pipe bending machine, including one or more linear ledges arranged along the arm; a mandrel including a piece for intercepting said ledges through a click (100) switching between a raised rest position and a lowered working position by the displacement of an eyelet in which it, can slide, having raising eadges (105) against which the click itself is loaded, under the actuation of an air cylinder, under the control of means that also control the opening/closing of the pipe carrier gripper (16) of the mandrel; angular ledge dowels with a sense cut (200) being provided on the periphery of the mandrel cooperating with a spring-loaded locator.