PROBLEM TO BE SOLVED: To increase strength of a dust exhaust fan and a dust exhaust treatment chamber.SOLUTION: A dust exhaust treatment chamber (8) pivoting a dust exhaust cylinder (8a) treating dust exhaust is set at the right side rear part of a threshing chamber (7) pivoting a threshing cylinder (7a) to make the rear part of the threshing chamber (7) communicate with the front part of the dust exhaust treatment chamber (8) a screening chamber (30) is set at the under side of the threshing chamber (7) a dust exhaust fan (38) is set at the rear upper side of a swinging screen (31) equipped in the threshing chamber (30), and the side plate (38a) of the left side of the dust exhaust fan (38) and a dust exhaust cylinder casing (48) positioned at the outer peripheral part of the dust exhaust cylinder (8a) are connected with a right and left directional horizontal supporting rod (46).COPYRIGHT: (C)2011,JPO&INPIT【課題】排塵ファン及び排塵処理室を強度アップする。【解決手段】扱胴(7a)を軸支した脱穀室(7)の右側後部に排塵物を処理する排塵胴(8a)を軸支した排塵処理室(8)を設け、脱穀室(7)の後部と排塵処理室(8)の前部とを連通し、脱穀室(7)の下側に選別室(30)を設け、選別室(30)内に備えた揺動選別装置(31)の後部上方には排塵ファン(38)を設け、排塵ファン(38)左側の側板(38a)と排塵胴(8a)の外周部に配置する排塵胴ケーシング(48)とを左右方向の横支持杆(46)で連結する。【選択図】図8
