History of the Elevator

Ranging from ancient times to the middle ages and into the 13th century , human and animal power is the driving force . In 1850 was introduced steam and hydraulic elevators . Occurred in 1852 a new chapter in the history of the invention of the elevator is the first safe elevator by Elisha Graves Otis World .

The first passenger elevators installed by Otis in New York in 1857 . After Otis' death in 1861 , his son , Charles and Norton developed the legacy left by creating Otis Brothers & Co. . in 1867 . In 1873 more than 2000 Otis elevators have been used in office buildings , hotels , and department stores throughout the United States, and five years later the Otis hydraulic passenger elevators first . Era Skyscraper issued in 1889 Otis electric elevator engine direct -connected geared very successful first .

In 1903 , Otis introduced the design that would become the backbone of the elevator industry gearless traction electric elevator is designed and proven to outlast the building itself . This leads to a growing era of high-rise structures , including most notably the Empire State Building and the World Trade Center in New York , the John Hancock Center in Chicago and the CN Tower in Toronto .

Over the years , some of the innovations made by Otis in the field of automatic control of the Signal Control System , Peak Period Control , Systems and Multiple Zoning Autotronic Otis . Otis is a world leader in the development of computer technology and the company has made a revolution in the elevator control so as to create a dramatic improvement in terms of reaction time elevators and elevator ride quality .