Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry (1921)
Wright, Roydon Vincent, 1876- ed, Little, John G., joint ed, Augur, Robert C., joint ed · New York, N.Y., Simmons-Boardman Publishing Co · leaf 452
down. Another type of combination tilting and rigid curvedarras (Fig. IS) is operated by adjustable cams which tipthe arms through a system of links. This design is in-tended to afford a particularly gentle discharge forbarrels and sacks, and like the preceding type, can be BEARING BOXES AND BELTS… … Figs. 15, 16 and 17 vent slipping of the load, but except in rare instances theyare of doubtful utility, as the smooth arms are perfectlysatisfactory in this respect. Curved arms are suitable for handling bags, barrels andother substantially cylindrical packages, but straight arms(Fig. 17) should…
Hoisting machinery · Conveying machinery
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