Patent ID: 7632181

Claim:
A harvested crop processing unit, comprising: a rotor; a first group of helically shaped guide rails; a second group of helically shaped guide rails; and a rotor housing enclosing said rotor, said rotor housing including a cover element underneath which said guide rails of said first group and said guide rails of said second group are attached thereto, said guide rails of both said groups following each other alternately and each including a leading end and a trailing end as seen in a direction of rotation of said rotor, said leading ends of said guide rails of said first group being arranged offset to a rear in said direction of rotation of said rotor relative to said leading ends of said guide rails of said second group, said trailing ends of said guide rails of said first group being directed in an axial direction of said rotor housing at said leading ends of said guide rails of said second group that are immediately following as seen in said axial direction of said rotor housing.