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Holeless hydraulic elevators were developed in the 1970s, and use a pair of above-ground cylinders, which makes it practical for environmentally or cost-sensitive buildings with two, three, or four floors. Roped hydraulic elevators use both above-ground cylinders and a rope system, allowing the elevator to travel further than the piston has to ...
Elisha Otis. 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. [2][3] On March 23, 1857, he installed the first safety elevator for passenger service in the store ...
Jesse Wilford Reno (August 4, 1861 – June 2, 1947) was an American inventor and engineer. He invented the first working escalator in 1891 (patented March 15, 1892) used at the Old Iron Pier, Coney Island, New York City. His invention was referred to as the "inclined elevator." An earlier escalator machine, termed "revolving stairs" by its ...
This was the first of at least four escalator-style patents issued to Souder, including two for spiral designs. [3] On March 15, 1892, Jesse W. Reno patented the "Endless Conveyor or Elevator." [4] A few months after Reno's patent was approved, George A. Wheeler patented his ideas for a more recognizable moving staircase, though it was never ...
Prior to 1929, elevator operators were men. In 1929, the Ueno Branch of Matsuzakaya department store hired women to operate the elevators in its new facilities. In the same year, Yomiuri Shinbun ran an article calling elevator operation the new occupation of Japanese women, commenting on the experiences of the first elevator girls. Although ...
A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.
1972: The first video game console, used primarily for playing video games on a TV, is the Magnavox Odyssey. [504] 1973: The first fiber optic communication systems were developed by Optelecom. [505] 1973: The first commercial graphical user interface is introduced in 1973 on the Xerox Alto.
A grain elevator is a facility designed to stockpile or store grain. In the grain trade, the term "grain elevator" also describes a tower containing a bucket elevator or a pneumatic conveyor, which scoops up grain from a lower level and deposits it in a silo or other storage facility. In most cases, the term "grain elevator" also describes the ...