| 摘要 |
In the dung conveyor according to the invention, at least the foremost scraper 3 necessarily moves into its advance position and into its return position when the forward travel or the backward travel of the piston rod 8 of a jack or of a corresponding drive element is effected. This device stops the two head scrapers 3, 15 jamming when there is an accumulation of dung in the chute 1. <IMAGE>
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