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A conveyor pulley is a mechanical device used to change the direction of the belt in a conveyor system, to drive the belt, and to tension the belt. Modern pulleys are made of rolled shells with flexible end disks and locking assemblies. Early pulley engineering was developed by Josef Sitzwohl[1] in Australia in 1948 and later by Helmuth Lange[2] and Walter Schmoltzi[3] in Germany.
- ^ Josef Sitzwohl, "Welded Conveyor Pulleys", Victoria, Australia, 1948 [full citation needed]
- ^ Helmut Lange, 1963 Leibniz University Hannover Ph.D. Thesis
- ^ Schmoltzi, W, "Designing Drums with transverse Shafts for Belt Conveyors". Thesis for Doctorate in Engineering, Hannover, 1974.
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