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 185
rane jib is rotated by means of a slewing gear atthe foot of the mast. The operation of the crane is con-trolled from a platform on the side of the crane structureor from an operators seat mounted on the carriage. Thistype of crane is made in capacities ranging up to 7 tonsor 10 tons and is used… … o ftO CRANES 179 for many of the same purposes as a small locomotivecrane but of course not being self-propelled is not so.mobile in manufacturing plants requiring a portable crane.Another simpler form of walking jib crane for lighterwork has an inclined boom instead of the horizontal jibThe boom…
Hoisting machinery · Conveying machinery
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