Patent ID: 7357383
Filing Date: 2008-04-15
Classification: B21C

Abstract:
1. A bar loader, for handling one or more workpieces to be fed into an extrusion press, comprising: a supporting structure, a device able to position the one or more workpieces to be loaded on an axis of the press with a crosswise movement in respect of the axis of the press, a pair of grippers for holding the one or more workpieces, solidarily supported by two respective arms; wherein a first arm is fixed with respect to the supporting structure and a second arm is mobile with respect to the first arm in the direction of a translational motion parallel to the axis of the press; and wherein said arms are connected by at least one chain arranged essentially parallel to the axis, the chain comprising links that allow bending in one direction only, the chain being rigid in one direction so as to support the one or more workpieces, and being adapted to wind in the opposite direction around a sprocket wheel.