| 摘要 |
PROBLEM TO BE SOLVED: To provide a combine harvester having a threshing apparatus with an auxiliary air blasting fan 35, which suppresses occurrence of grading loss and dusting in a change of direction at a headland of a field. SOLUTION: The combine harvester has a constitution that a feed chain 6 and the auxiliary air blasting fan 35 belong to the power transmission system of the same line. An FC clutch 63 is arranged at the upstream side of the feed chain 6 and the auxiliary air blasting fan 35 in the power transmission system. The FC clutch 63 performs disengagement operation in conjunction with the operation for lifting a reaping pretreatment apparatus 3 to a nonoperation height Ha. COPYRIGHT: (C)2008,JPO&INPIT
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