THRESHING DEVICE OF COMBINE HARVESTER

摘要

PROBLEM TO BE SOLVED: To contrive an improvement, etc., in conveying performances of the waste straw ear tip side with a waste straw tine (11). SOLUTION: This threshing device of a combine harvester is characterized as forming the front edge of a right guide surface (68a) made of a synthetic resin of a fourth grade trough (68) at a lower level than the top surface height of the intermediate part in the front and rear width of the right guide surface (68a) made of a synthetic resin of the fourth grade trough (68) in the combine harvester equipped with the fourth grade trough (68) for guiding grains dropped from waste straws after threshing to a downward shaking separating board (25) at the rear of a threshing chamber (19) in a threshing part (4).