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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.
In 1852, Elisha Otis introduced the safety elevator, which prevented the fall of the cab if the cable broke. He demonstrated it at the New York exposition in the Crystal Palace in a dramatic, death-defying presentation in 1854, [ 10 ] [ 11 ] and the first such passenger elevator was installed at 488 Broadway in New York City on 23 March 1857.
Elisha Otis demonstrated an elevator equipped with a device called a safety brake, which revolutionized the industry completely; David Alter displayed a method to manufacture and purify bromine from salt wells, highly useful in the iron industry; The world's first pedal quadracycle was shown
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 ...
Otis was born in Halifax, Vermont. His father was Elisha Otis , inventor of the safety elevator and a descendant of the Otis family that is counted among the Boston Brahmin families. He attended public schools in Halifax, Albany , Hudson , and Yonkers, New York .
1852 – Elisha Otis invents the safety elevator. 1853 – Sir George Cayley built and demonstrated the first heavier-than-air aircraft (a glider). - Quadracycle invented. 1859 - First model railway for Napoléon, Prince Imperial.
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The first, mainly in the United States, refers to automobile safety systems that help avoid accidents, such as good steering and brakes. In this context, passive safety refers to features that help reduce the effects of an accident, such as seat belts, airbags and strong body structures. This use is essentially interchangeable with the terms ...