Who invented elevators, and how do they work?

Question

Who invented elevators, and how do they work?

Answer 1

Otis, but his career had its ups and downs

Answer 2

Archimedes invented.

In most common elevators the elevators are lifted by ropes and pulley. Ropes are pulled by electric motor. The revolution and speed of the electrical motor is controlled by microcontrolers. It gives the motor proper electrical signals about where to stop and where the speed should be higher or lower.

Answer 3

The answers to your questions can be found here:

http://en.wikipedia.org/wiki/Elevator

Answer 4

Otis.

A motor turns and winds a cable around a drum. The cable runs up to a pulley on top of the shaft, then down to the elevator cabin, where it is attached.

look on wikipedia.

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