PROBLEM TO BE SOLVED: To provide a thresher which can smoothly rake threshing objects backward without damaging them in the front side of a threshing chamber in which the threshing objects are fed.SOLUTION: The thresher has a threshing cylinder 18 rotationally driving in an anteroposterior direction, has the front end of the threshing cylinder 18 being a taper part 36 molded into the form whose diameter gradually reduces frontward and integrally molded with feed-in spirals 38, 39 which feed the threshing objects backward during rotational driving of the threshing cylinder 18 on the outer periphery of the threshing cylinder 18. The feed-in spiral 38 in the side near the taper part 36 is installed with projection parts 41 for raking the threshing objects.COPYRIGHT: (C)2015,JPO&INPIT【課題】脱穀対象物が投入される扱室の前部側において、脱穀対象物を損傷させることなくスムーズに後方側に掻込むことのできる脱穀装置を提供することを課題としている。【解決手段】回転駆動する前後方向の扱胴18を備え、該扱胴18の前端部を、前方に向かって徐々に縮径させた形状に成形されたテーパ部36とし、扱胴18の回転駆動中に脱穀対象物を後方に送る送込ラセン38,39を、該扱胴18の外周に一体的に形成した脱穀装置において、前記テーパ部36側の送込ラセン38に、脱穀対象物を掻込む突起部41を設けた。【選択図】図4
