| 摘要 |
PROBLEM TO BE SOLVED: To improve a thresher to efficiently separate grain from waste straws and the like. SOLUTION: This thresher in which a discharged dust-treating chamber 4 having a discharged dust-treating cylinder 3 is disposed on the rear side of a threshing chamber 2 having a threshing cylinder 1 is characterized by disposing the second treating chamber 6 having the second treating cylinder 5 under the discharged dust-treating chamber 4, disposing a front returning port 8 and a rear returning port 9 on the front side of the second treating chamber 6 and on the rear portion-near side of the threshing chamber 2, respectively, disposing discontinuous teeth 10a on the threshing chamber 2-corresponding side of the second treating cylinder 5, and disposing continuous teeth 10b on the discharged dust-treating chamber 4-corresponding side. The thresher is also characterized by disposing the second treating chamber 12 having the second treating cylinder 11 under the discharged dust-treating chamber 4, disposing a returning port 13 on the front side of the second treating chamber 12, extending the rear portion of the second treating cylinder 11 to the outside of an exit side wall 14, disposing a communication port 15 between the second treating chamber 12 and the discharged dust-treating chamber 4, disposing a partition plate 16 at the front of the communication port 15, disposing front transfer treating teeth 17a on the front side of the partition plate 16 of the second treating cylinder 11, and disposing rear transfer treating teeth 17b on the rear side. COPYRIGHT: (C)2007,JPO&INPIT
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