PROBLEM TO BE SOLVED: To provide a grain recovery system of a combine, which can increase durability while enabling visual checking of a grain storage state.SOLUTION: A grain recovery system of a combine includes a grain storage container 94A, the inside of which is provided with a grain storage space for storing grain subjected to threshing processing and which has a circular inspection opening 96 formed on a top surface part, and a screw-type lid body 94B that closes the inspection opening 96 by being screwed and connected in such a manner as to be freely openable/closable between itself and a screw part formed on the peripheral part of the inspection opening 96 of the grain storage container 94A.COPYRIGHT: (C)2015,JPO&INPIT【課題】穀粒の貯留状態を目視で確認することができるものでありながら、耐久性の向上を図ることが可能なコンバインの穀粒回収装置を提供する。【解決手段】脱穀処理された穀粒を貯留する穀粒貯留空間を内部に備え且つ上面部に円形状の点検用開口96が形成された穀粒貯留容器94Aと、穀粒貯留容器94Aにおける点検用開口96の周部に形成されたネジ部との間で開閉自在に螺合接続されて点検用開口96を閉塞するネジ式の蓋体94Bとを備えて構成されている。【選択図】図20