B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
198/89
B65G 45/00 (2006.01) B65G 45/12 (2006.01)
Patent
CA 1072481
ABSTRACT OF THE DISCLOSURE: A scraper system for reversible belts comprising a first scraper arranged in the vicinity of the first discharge end of a belt and a second scraper located in the vicinity of a second discharge end, one of the two scrapers being in an inactive position and the other in an active position as a function of the running direction of the belt. Each scraper is provided with a plurality of cutters which extend over the width of the belt, the cutters being individually arranged on an adjustably loaded carrier movably mounted on the carrying frame of belt and moving transversely with respect to belt. The cutters are pressable against the side of the belt which is to be cleaned and are individually deflectable counter to the tension of a spring mechanism. The cutters on the carrier are deflectable about a clearly defined pivot axis in such a way that, viewed in the belt running direction, in the active position it is at a distance a from the cutting edge and on the side and at a distance h from the side of the belt to be cleaned which represents a multiple of the distance a and the cutting edge of cutters is located in front of the pivot axis A in the inactive position, based on the same belt running direction as hereinbefore. The cutters in the case of a reversal of the belt running direction due to the displacement of cutters by belt or material adhering to belt are automati- cally pivoted out of the active position into an inactive position and during the next change of the belt running direction are automatically pivoted back from the inactive position into the active position.
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