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 219
e hoist gearingwith sufficient speed to overcome the action of the screw.The pitch of the screw is such that the friction and resist-ance of the disk is always in excess of the lowering effort ofthe load. This insures the prompt application of the loadbrake when the motor stops and prevents…
Hoisting machinery · Conveying machinery
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
