| 摘要 |
PROBLEM TO BE SOLVED: To provide a thresher enabling suitable screening and recovery of grains as clean grains while suppressing mixing of straw dust independent of quantity of the clean grains screened by a grain sieve.SOLUTION: The thresher is provided with a threshing part to perform threshing treatment of culms in a threshing chamber and a screening part to perform shake sorting of the threshed product with a shaking sorter, and the shaking sorter is provided with the grain sieve 10 to screen and drop the grains as the clean grains through a number of screening holes 25 arranged in lateral and longitudinal rows. A number of flexible thin and long members 34 are parallelly placed at least at an upstream side of the grain sieve 10 in a state of contact with or extremely close to the grain sieve 10 and interposing spaces between the thin and long members. |
