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Elisha Graves Otis (August 3, 1811 – April 8, 1861) was an American industrialist and founder of the Otis Elevator Company. [1] In 1853, he invented a safety device that prevents elevators from falling if the hoisting cable fails.
The company pioneered the development of the "safety elevator", invented by Elisha Otis in 1852, which used a special mechanism that locked the elevator car in place against hoisting rope failure. The Otis Elevator Company was acquired by United Technologies in 1976, but it was spun off as an independent company 44 years later in April 2020 as ...
An elevator or lift is a vertical transport vehicle that efficiently moves people or goods between floors of a building. In 1852, Elisha Graves Otis invented the first safety brake for elevators which prevents an elevator from spiralling into a free fall between numerous floors inside a building. [119] 1853 Burglar alarm
Elisha Otis: 1811 Elevator brake [72] 1988 Frank B. Colton: 1923 Oral contraceptives [73] 1988 Louis W. Parker: 1906 Television receiver [74] 1989 George Westinghouse: 1846 Air brake system [75] 1989 Irving Langmuir: 1881 Electric lighting [76] 1989 John Deere: 1804 Farm plow [77] 1989 Raymond Vahan Damadian: 1936 Magnetic resonance imaging ...
The most notable United States architectural innovation has been the skyscraper. Several technical advances made this possible. In 1853, Elisha Otis invented the first safety elevator which prevented a car from falling down the shaft if the suspending cable broke. Elevators allowed buildings to rise above the four or five stories that people ...
1852: Elisha Otis invents the safety brake elevator. [ 427 ] 1852: Henri Giffard becomes the first person to make a manned, controlled and powered flight using a dirigible .
When Elisha Cuthbert played an ex-porn star in 2004's The Girl Next Door, it solidified her reputation as a sex symbol.Now, nearly two decades later, the actress is sharing how that attention ...
Elisha Otis's elevator patent drawing, 15 January 1861. The first elevator shaft preceded the first elevator by four years. Construction for Peter Cooper's Cooper Union Foundation building in New York began in 1853. An elevator shaft was included in the design because Cooper was confident that a safe passenger elevator would soon be invented. [12]