Question

Invention of escalator? ​

Answer 1

$\bold\pink{Escalator}$ - An escalator is a type of vertical transportation in the form of a moving staircase which carries people between floors of a building

$\bold\blue{Invention}$

The basic mechanism of an escalator was first invented by Jess W Reno of the US in 1881.

Answer 2

WHAT IS AN ESCALATOR :

An escalator is a conveyor type transport device that moves people. 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.

WHO INVENTED ESCALATOR :

The escalator as we know it was later re-designed by Charles Seeberger in 1897. He partnered with the Otis Elevator Company to produce the first commercial escalator in 1899 at the Otis factory in Yonkers, New York.

USES OF ESCALATOR :

Escalators are used around the world to move pedestrian traffic in places where elevators would be impractical. They are used in department stores, shopping malls, airports, convention centers, hotels, arenas, stadiums, public buildings etc.

Cheers.