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 390
age, or carry themthrough the processes of weighing, sealing, and marking tcthe shipping room and from storage rooms to trucks orcars. Used with spiral chutes, this conveyor forms a mosteconomical gravity system. For pallets of the usual 4 ft. or S ft. length the rollersshould be spaced on about… … Unloading from Cars to Storage 3 per cent to S per cent are sufficient with the ball-bearingconveyor. When convenient, the lines of gravity conveyorshould be fixed in position, with hinged or portable sectionsat the passageways. If dust or moisture are present therollers should have such occasional…
Hoisting machinery · Conveying machinery
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