Importance

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Abstract

A threshing and separating system for a combine harvester includes a threshing cage and a plurality of movable vanes mounted to the threshing cage. The threshing cage partially surrounds a threshing rotor. The plurality of movable vanes are moveable between a first position in which all of the vanes of the plurality of movable vanes are substantially parallel with one another and a second position in which an acute angle is defined between each pair of adjacent vanes of the plurality of movable vanes. The acute angles progressively increase in the rearward direction of the threshing cage such that the acute angle between adjacent vanes at a forward end of the threshing cage is less than the acute angle between adjacent vanes at a rearward end of the threshing cage.

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First Claim