PROBLEM TO BE SOLVED: To provide a threshing device increased in a leak-down area of a receiving net without increasing the size in the rotational direction of the receiving net and reduced in manufacturing cost.SOLUTION: In a receiving net 22, a base frame 37 supporting a plurality of horizontal crosspieces 35 along a shaft core direction while arranged in a circumferential direction at prescribed intervals and a plurality of vertical crosspieces 36 formed to curve along the circumferential direction and arranged in a shaft core direction at prescribed intervals, comprises: an upstream side frame member 38 which is located at the uppermost side in the rotational direction of a threshing cylinder and set along the shaft core direction and a pair of transverse side frame members 39 connected to both side parts in the shaft core direction of the upstream side frame member 38 and formed to curve along the circumferential direction. The horizontal crosspieces 35 are installed to be connected spanning between the pair of transverse side frame members 39, and the vertical crosspieces 36 are supported by the upstream side frame member 38 and the horizontal crosspieces 35 and project to a downstream side in the rotational direction of the threshing cylinder further than the horizontal crosspieces 35 located at the lowermost side in the rotational direction of the threshing cylinder.COPYRIGHT: (C)2014,JPO&INPIT【課題】受網の回転方向に沿う寸法を大型化させなくても、受網における漏下面積の増大を図ることができるとともに、作製コストの低減も可能となる脱穀装置を提供する。【解決手段】受網22が、周方向に所定間隔をあけて並ぶ状態で軸芯方向に沿う複数の横桟35と、周方向に沿って湾曲形成され且つ軸芯方向に所定間隔をあけて並ぶ複数の縦桟36とを支持する基枠37が、扱胴の回転方向における最上手側に位置して軸芯方向に沿って設けられた上手側枠部材38と、この上手側枠部材38の軸芯方向両側部に連結されて周方向に沿って湾曲形成された一対の横側枠部材39とで構成され、複数の横桟35が、一対の横側枠部材39同士にわたって架設連結され、複数の縦桟36が、上手側枠部材38及び複数の横桟35に支持され、且つ、扱胴の回転方向における最下手側に位置する横桟35よりも扱胴の回転方向下手側に突出する状態で設けられている。【選択図】図8