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Often, maintenance costs are also lower than a more conventional lift. The driving system for a home lift can be built inside the lift structure itself and features a screw , an electric motor , and a nut mounted behind the control panel of the lift's platform; it is thus referred to as a "screw and nut" system.
The Otis Elevator Company had the factory built in 1900. The company, then the nation's largest elevator manufacturer, sought to grow its sales in Chicago, as the city's growth and numerous new skyscrapers made it a profitable market for elevators. The Chicago firm of Adler & Treat designed the factory as a brick building with Colonial Revival ...
Machine-room-less elevators have been available commercially since the mid-1990s, however cost and overall size prevented their adoption to the residential elevator market until around 2010. [83] Also, residential elevators are smaller than commercial elevators. The smallest passenger elevator is pneumatic, and it allows for only 1 person. [84]
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Otis elevator in Glasgow, Scotland, imported from the U.S. in 1856 for Gardner's Warehouse, the oldest cast-iron fronted building in the British Isles [7] Otis founded the Otis Elevator Company in Yonkers, New York, in 1853. When he died in 1861 his sons Charles and Norton formed a partnership and continued the business.
One of the freight elevators served all stories, traveling to a height of 1,440 feet (440 m). [169] During a fire or another emergency, this elevator would be reserved for the Chicago Fire Department. Other elevators would be controlled from the 33rd floor. During a fire, elevators would be dispatched to the affected floors to assist with ...
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