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.COPYRIGHT: (C)2011,JPO&INPIT【課題】本発明は、グレンシーブから漏下する一番物の量にかかわらず、一番物としての穀粒をワラ屑の混入が少なく好適に漏下回収することのできる脱穀機を得ることを目的とする。【解決手段】扱室で穀稈を脱穀処理する脱穀部と、脱穀処理物を揺動選別装置で揺動選別する選別部とを備え、揺動選別装置に、一番物としての穀粒を縦横に多数形成した漏下孔25から漏下させるグレンシーブ10を備えてある脱穀機において、グレンシーブ10の少なくとも上手側部分に、グレンシーブ10に接触乃至極近接する状態で、間隔を隔てて可撓性を有する多数の細長材34を並設してある。【選択図】図3
