1. unloader cars lines mobilization hangers, in which a plurality of carriages describes a cyclic path from a loading point of said hangers and a discharge point thereof, characterized in that, arranged laterally with respect to the line conveyor in the intended discharge incorporates a shovel dimensioned to act simultaneously on all the hangers mounted on a carriage provided with means mobilization allowing lateral to the conveyor line approximation under the carriage shovel, to surpass slightly, its lifting decoupling hangers carriage, lowering to beyond the lower level carriage retraction to return back to the original position, and elevation for deposition of the hangers on any suitable support, such as on a line independent evacuation of said conveyor.
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