PROBLEM TO BE SOLVED: To enable maintenance such as preparation and exchange of a shaking and sorting shelf-driving shaft to be easy by arranging the driving shaft for shaking and driving a shaking and sorting shelf on the side ahead of the front side plate of a threshing chamber.SOLUTION: In a threshing apparatus in which a fourth treating chamber (9) is constituted by equipping a fourth treating cylinder (11) for recovering stuck grains in cereal culms by scraping to the end side of a threshing chamber (3) in which a threshing cylinder (5) is pivotally installed on the inside thereof, a shaking and sorting shelf (25) comprising a transfer shelf (27), a chaff sieve (28), a straw rack (29) a grain sieve (30) and the like is arranged to range from below the threshing chamber (3) to the rear thereof, while a drive shaft (26) for forcedly driving shaking operations in the longitudinal direction of the shaking and sorting shelve is installed to the outside ahead of the front side plate (12) of the threshing chamber.COPYRIGHT: (C)2013,JPO&INPIT【課題】 揺動選別棚を揺動駆動する駆動軸を扱室の前側板よりも前側に配置することによって、揺動棚駆動軸の整備、交換等のメンテナンス容易化を図る。【解決手段】 扱胴(5)を内装軸架した扱室(3)の終端側に穀稈中のささり粒を扱き落して回収する4番処理胴(11)を備えた4番処理室(9)を構成して設けてある脱穀装置において、移送棚(27)、チャフシーブ(28)、ストローラック(29)、グレンシーブ(30)などからなる揺動選別棚(25)を扱室(3)の下方から後方にわたって配置し、これら揺動選別棚の前後の揺動作用を強制駆動する駆動軸(26)は、前記扱室の前側板(12)よりも前方外側部位に架設する。【選択図】 図2
