Modern Mechanism Exhibiting the Latest Progress in Machines Motors And the Tr
Modern Mechanism Exhibiting the Latest Progress in Machines Motors And the Tr
Park Benjamin
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The arrangement of the vertical inverted engines and hoisting-drum of this elevator is shown in Fig. 2. The Belt Elevator System is represented in Fig. 3. A is the elevator, B the platform, E the motor-engine, and C the overhead sheave. Elevating Deck Ferry-Boat. Figs. 4 and 5 illustrate a novel ferry-boat of English con- struction, in which the entire deck is elevated. The deck is actuated by bevel and worm gearing, so that at any state of the tide it may be brought to the same level as the qu...ay for the shipment of vehicles, etc. The elevating deck is 78 ft. Long and 32 ft. Broad. The* ele- 248 ELEVATOKS. vator apparatus is worked by triple-expansion engines, which actuate shafting geared to each of the vertical screws. The lift is 14 ft. (See Engineering, Sept. 5, 1890. ) II. HYDRAULIC ELEVATORS. Figs. 6, 7, and 8 represent the principal types of these machines as made by Otis Brothers & Co. Fig. 6 shows the street-pressure system adapted to cities where there is a steady water-pressure in the mains.
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