A rotor assembly for use in a poultry harvester, comprising first and second rotors arranged side by side about a center line of the assembly for rotation about vertical or predominantly vertical axes, a third rotor equispaced from the first and second rotors in a direction along the center line of the...http://www.google.es/patents/US4900292?utm_source=gb-gplus-sharePatente US4900292 - Rotor assemblies
