TREATING APPARATUS IN THRESHER

摘要

PURPOSE: To promote treatment of breaking ears and rachis-branches without damaging grains. CONSTITUTION: This thresher is equipped with the first threshing drum 12 for carrying out threshing treatment of grain culms and the second threshing drum 22 having many treating teeth provided in the outer peripheral face and retreating discharged dust after treatment due to the first threshing drum 12 and grains which are not leaked down from a receiving net 14. The treating teeth 23 of the second threshing drum 22 are arranged in a state inclined by a prescribed angle (α) to the rotation direction so that grains flow in a prescribed direction and an auxiliary treating tooth 29 is provided in a state inclined in the direction capable of disturbing the flow of grains in prescribed direction on the outer peripheral face of the second threshing drum 22. The caught straw waste, etc., are escaped upward or excess pressure is not applied to grains by the auxiliary treating tooth 29 to promote treatment of breaking ears and rachis-branches.