Escalator

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