| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a threshing device which promotes falling of treated objects and decreases unthreshed objects. <P>SOLUTION: In the threshing device 100 where a threshing cylinder 41 with threshing teeth 41a implanted on its outer peripheral surface is laid across in an anteroposterior direction, and a threshing concave 10 is arranged around a lower part of the threshing cylinder 41, drawing holes 12 in a back part 10b of the threshing concave 10 are composed to have a larger opening area than drawing holes 11 of a front part 10a, the drawing hole 11 in the front part 10a of the threshing concave 10 is formed in a square, and the drawing hole 12 in the back part 10b of the threshing concave 10 is formed in a rectangle of which a longitudinal direction is the anteroposterior direction. <P>COPYRIGHT: (C)2012,JPO&INPIT |
