Patent ID: 7717777

Claim:
A threshing mechanism for a combine having a supporting structure, the mechanism comprising: an elongated rotor for moving crop materials; an elongated housing for surrounding said elongated rotor and for defining a volume of space between said rotor and said housing, said housing having an outlet, said housing and said rotor mounted in said supporting structure; one or more outlet vanes mounted to a first portion of an outlet end of said rotor, said outlet vanes extending away from a surface of said first portion, and said vanes have a base end adjacent to said surface of said first portion and an outer end opposite the base end, said vanes have a base position and at least one extended position, said outer end is positioned a greater distance from said surface of said first portion when in said at least one extended position than in said base position, and said vanes are adjustable between said base position and said at least one extended position to adjust the height of said vane; and a plurality of threshing elements mounted to the rotor upstream of the outlet vanes.