Importance

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Abstract

A rod bending device using a combination of a movable mandrel and two moving rollers, between which mandrel and which rollers the rod bending is effected, the movements of which mandrel and rollers are effected simultaneously by the same power system and by a single power stroke. The power system, preferably a hydraulic system, effects movement of the movable mandrel which in turn simultaneously effects movement of two arms which support the movable rollers. This simultaneous movement of the mandrel and the rollers effects the bending of the rod which is positioned between the mandrel and the rollers. The curvature and the degree of the bending are determined by the shape of the mandrel, the positioning of the rollers on the supporting arms and the extent of the revolution of the arms about the individual fulcrums on which the respective arms are revolved.

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First Claim