| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a thresher which comprises a cover body for opening and closing an upper part of a threshing chamber, and can operate the cover body so as to be promptly opened in a state that the cover body is locked in a closed state.SOLUTION: A thresher comprises: an actuator 19 for driving a cover body 18 so as to open and close the cover body; a feed chain 14 for transferring grain culms rearward; lock members 33A, 33B in which grip bodies 27 arranged at left and right outside portions of the cover body 18 are positioned immediately above the feed chain 14, and which lock the cover body 18 in a closed state that the grain culms in transfer are gripped; and detection means 61 which detects the release of the lock of the lock members 33A, 33B by lock release levers 34A, 34B. When the release of the lock is detected by detection means 61, the cover body 18 is operated so as to be opened up to at least a grip release position in which the grip by the grip bodies 27 and the feed chain 14 is released.</p> |
