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 470
can be used for heavy duty. In these the box is rigidlysupported by an extra wide frame, and the latter is designedso that the stresses are all centralized, and the screw is … Fig. 181 in direct tension or compression, thus attaining the maxi-mum strength and rigidity. Heavy take-ups are also madein the stationary screw type. On protected screw take-ups (Fig. 182) the bearing boxtravels along the screw, the latter turning but not advanc-ing with the box. This allows the…
Hoisting machinery · Conveying machinery
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