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 354
ir own motors and are often made adjustable as toheight of lift. While 45 deg. boosters are probably most used, inclinesof from 30 deg.,to 60 deg. are common. Unless top guardsare used to prevent the ^boxes from rolling backward, 60deg. to 70 deg. is about the practical limit of incline.Where the… … Extending Scope of Gravity Conveyor use of such top guards makes it feasible to elevate atany angle up to the vertical. The chief advantage thusgained is in the saving of space. Compact single or double reduction drives, with silentchain or belt from the motor, are much used, although thedirect…
Hoisting machinery · Conveying machinery
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