Search International and National Patent Collections
|1. (WO2017154984) THRESHING DEVICE AND COMBINE HARVESTER|
|Title:||THRESHING DEVICE AND COMBINE HARVESTER|
The present invention inhibits grain stems from becoming caught in a helical blade in a threshing device in which a raking unit for raking grain stems toward the rear of a threshing cylinder is provided to the front part of the threshing cylinder, and the raking unit is equipped with: a base part having a tapered shape which is smaller in diameter the closer to the front end of the threshing cylinder; a helical blade provided to the outer circumference of the base part; and a support member connected to the front side of the front end of the base part and supporting the base part, the support member having a larger diameter than the outer diameter of the front end of the base part and a smaller diameter than the outer diameter of the start end of the helical blade. A guide member 37 is provided spanning between the helical blade 32 and the support member 33. The guide member 37 connects the outer peripheral edge of the start end of the helical blade 32 and the outer peripheral edge of the support member 33.