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 496
nger machine, as shownin the illustration, a cylinder which is closed at its lowerend is sunk into the ground. The upper end has a stuffing-box through which passes a plunger which is secured to thecar. Thus the travel of the platform is the same as that ofthe plunger. The operation of the elevator… … Hydraulic Plunger Freight Elevator and the water pressure. The descent of the platform isaccomplished by exhausting the water from the cylinder.A suitable valve, which is under the control of the operator,permits the pressure water to flow into the cylinder whenthe car is to be raised or to exhaust…
Hoisting machinery · Conveying machinery
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