Patent ID: 8302761

Claim:
A conveying device, comprising: at least two deflection pulleys; a conveying belt having a conveying side and a backing side and guided over said at least two deflection pulleys; a number of pushing elements protruding from said conveying side of said conveying belt; directing elements, each of said pushing elements connected with one of said directing elements disposed on said backing side, said directing elements each including a sliding surface facing away from said conveying belt, each of said directing elements having a rolling surface facing said conveying belt; and a guide rail having a guiding surface for said directing elements being disposed in at least one partial section of said conveying belt lying between said deflection pulleys, said sliding surface and said guiding surface being of complementary shape so that said sliding surface of each of said directing elements can slide on said guiding surface of said guide rail; at least one of said deflection pulleys having a periphery with a ring groove formed therein in said periphery for receiving and guiding said directing elements moving past said ring groove during operation of said conveying belt.