The Elevator In 1852, Elisha Otis invented the elevator safety brake.

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Presentation transcript:

The Elevator In 1852, Elisha Otis invented the elevator safety brake. The safety brake prevents an elevator car from falling if the lifting cables fail. March 23, 1857 - The first successful passenger elevator was installed on this day at 488 Broadway in New York City.

The elevator is a platform that raises and lowers vertically to transport people or freight. Eight steel cables support the car; each cable can handle more than the weight of a fully loaded car. The goal for the elevator was to be inexpensive, reliable, and get it to market as quickly as possible.

Citations 80, A.d. "Elevator History - Invention of the Elevator." The Great Idea Finder - Celebrating the Spirit of Innovation. 2 Mar. 2007. Web. 18 Jan. 2011. CAE Associates. "Parametric Modeling of an Otis Elevator Safety Brake - CAE Associates — Engineering Advantage." CAE Associates: Expert Engineering Consulting Firm & ANSYS Software Provider. 17 Oct. 2008. Web. 18 Jan. 2011. <http://www.caeai.com/engineering-analysis-simulation-casestudies-individual.php?case=Parametric Modeling of an Otis Elevator Safety Brake&caseID=67>. Jorney,, Nadia. "How Do Safety Elevators Work? | EHow.com." EHow | How To Do Just About Everything! | How To Videos & Articles. 24 Apr. 2010. Web. 18 Jan. 2011. <http://www.ehow.com/about_6383816_do-safety-elevators-work_.html>. Troy, Josh. "The First Elevator « Frogstorm." Frogstorm. 2010. Web. 21 Jan. 2011. <http://frogstorm.com/?p=994>.

The Evolution of Elevators If elevators did not exist buildings would be limited to five or six stories. Most of the architecture of the 20th and 21st century would be impossible. Office towers, hotels and high-rise apartments would hardly stand in their present form.