ESCALATOR
Introduction
- Conveyor type of transport device that moves people from place to place
- It is a moving staircase with steps that move up or down using a conveyor belt and tracks keeping each step horizontal for the passenger
- Escalator began as an amusement ride and not as a practical transport
- 'Scala' + elevator = escalator
History
- 1892: Charles A. Wheeler patented ideas for the first practical moving staircase
- 1897: Jesse W. Reno invented the first escalator And installed it as an amusement ride at Coney Island, New York
- 1899: Reno sold this machine to Otis Elevator Company and prototype built by the company
- 1900: First commercial escalator was produced which won first prize at the Paris 1900 Exposition Universelle in France
- 1902: Reno Electric Stairways and Conveyors company was founded by Jesse Reno
- 1910: Charles Seeberger sold his patent rights for the escalator to the Otis Elevator Company
- 1911: Reno sold his patent rights for the escalator to Otis Elevator Company. Otis then came to dominate escalator production
- 1920: Otis engineers, led by David Lindquist, combined and improved both escalator designs, and created the cleated, level steps of the modern escalator in use today
- Passengers Passengers who wish to stand and let themselves be carried up or down to stand on one side to allow other users to walk past them
Usage
- It is customary to stand on a fixed side, so that walking people do not have to zigzag
- Help in controlling traffic flow
- Escalators often are used as the exit of an airport secure area
- Step demarcation lights Safety Factors
- Step demarcation lines
- Combplate impact switches
- Missing step detectors
- Level step switches
- Handrail speed sensors
- Handrail inlet switches
- Emergency stop button
- Skirt brush
- Raised edges
- Flat steps
- Anti-slide devices
- Safety instructions
- Hold the handrail
Download here for the whole lecture slide presentation: escalator
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