| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve threshing performance of a threshing machine comprising a threshing blade and a cutting blade of a threshing cylinder. <P>SOLUTION: This invention comprises the threshing machine comprising the threshing cylinder 3 rotatably pivoted in a threshing chamber 1, a pair of concavo-convex blade edge parts 14, 14 on a U shaped cutting blade 12 installed in the threshing chamber 1, wherein the pair of concavo-convex blade edge parts 14, 14 are composed of a plurality of alternating and repeating concave parts 14a and convex parts 14b arranged linearly, and the tip of the cutting blade 12 is set to intrude into the rotating track of a threshing blade 2 of the threshing cylinder 3 in viewing in the shaft center direction of the threshing cylinder 3, and the threshing blade 2 is set to pass through a space between the pair of the concavo-convex blade edge parts 14, 14 of the cutting blade 12, allowing a threshed substance in the threshing chamber 1 to be cut by the threshing blade 2 forming the rotating track and the linear concavo-convex blade edge parts 14, 14 of the cutting blade 12. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
