A material transport and self-unloading vehicle having an open top hopper for accommodating bulk material, as animal feeds. A first material conveying auger is located along the bottom of the hopper for moving material toward a side discharge opening in the hopper. A second paddle auger is located above...http://www.google.es/patents/US4373845?utm_source=gb-gplus-sharePatente US4373845 - Animal feed transport and self-unloading vehicle
