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 794
sed, which is operated by a foot lever,but where the track is on a grade a variable speed con-troller and a holding pawl are furnished. Both typesof controller are retained in the running position by apawl and star wheel, thus permitting the operator to useboth hands on the rope. These machines are… … Winding Drum in Car Shed but rigid construction. Either direct or alternatingcurrent motors, and single or variable speed controllers,can be furnished. Two types of machines are offered. Type W-3 winding drum has one,spur gear and oneworm gear reduction, between the motor and the drum.The worm gear…
Hoisting machinery · Conveying machinery
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