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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 ...
The company developed floor control, automatic elevators, acceleration control of car safeties, and a number of freight elevators. The Sprague-Pratt elevator ran faster and with larger loads than hydraulic or steam elevators, and 584 elevators had been installed worldwide. Sprague sold his company to the Otis Elevator Company in 1895.
Some elevator air conditioners can be used in countries with cold climates if a thermostat is used to reverse the refrigeration cycle to warm the elevator car. Heat generated from the cooling process is dissipated into the hoistway. The elevator cab (or car) is ordinarily not air-tight, and some of this heat may reenter the car and reduce the ...
A car elevator. A car elevator or vehicle elevator is an elevator designed for the vertical transportation of vehicles inside buildings, so increasing the number of vehicles that can be parked in parking lots and parking garages. Where real estate is costly, these car parking systems can reduce overall costs by using less land to park the same ...
Montgomery Elevator: Acquired by Kone, Canadian division in 1985 and U.S. division in 1994. Marshall Elevator: Sold to Otis; Schweizerische Aufzügefabrik AG; Thyssen AG: Merged with Krupp and became ThyssenKrupp in 1999, with subsidiary ThyssenKrupp Elevator AG; ThyssenKrupp Elevator AG announced in 2021 a name change and rebranding to TK ...
Hyundai Elevator was established as a joint venture between Hyundai Electrical Engineering and Westinghouse Electric in 1984. [2] Schindler Group, a Swiss-based company, succeeded Westinghouse's stake in Hyundai Elevator when Westinghouse disposed of its escalator business in 1989. [3]
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.
Schindler Holding Ltd. [2] is a Swiss multinational company which manufactures escalators, moving walkways, and elevators worldwide, founded in Switzerland in 1874. Schindler produces, installs, maintains and modernizes lifts and escalators in many types of buildings including residential, commercial and high-rise buildings.