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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 ...
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Although not much is known about John Otis, his son, John Otis (generally referred to as "Judge Otis") was the first of the family to rise to provincial eminence. Judge Otis held a variety of judicial and military appointments and represented Barnstable County for 20 successive years in the general court of Massachusetts Bay. In 1708, he was ...
William Smith Otis (September 20, 1813 – November 13, 1839) was an American inventor of the steam shovel. Otis received a patent for his creation on February 24, 1839. Otis excavator. In 1839 William Smith Otis, civil engineer of Philadelphia, Pennsylvania, was issued a US patent for the steam shovel (No. 1,089) for excavating and (removing ...
The Safety Appliance Act is a United States federal law that made air brakes and automatic couplers mandatory on all trains in the United States. It was enacted on March 2, 1893, and took effect in 1900, after a seven-year grace period.
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James Otis Jr. (February 5, 1725 – May 23, 1783) was an American Lawyer, political activist, colonial legislator, and early supporter of patriotic causes in Massachusetts Bay Colony at the beginning of the Revolutionary Era.
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