FIELD: transport.
SUBSTANCE: screw conveyor of belt (20) driven be rigid drive the along the screw path. Screw conveyor comprises the revolving the cylindrical column (10) with parallel drive elements (14) extending from the column lower section to upper section at its periphery. Every drive element comprises rib (28) extending outward and differing in height from lower part to upper part. In compliance with the other version, said belt comprises teeth (62) with guide surfaces (78, 79) on the belt inner edge. Said teeth guide the drive elements between the belt rows at engagement of the drive with the drive ends at the belt inner edge.
EFFECT: ease of the belt entry and exit, reliable engagement of the drive with the belt inner edge.
35 cl, 22 dwg
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