One kind of elevator uses pulleys, but not all do.
Passenger elevators are big pulleys powered by a motor with 6-8 cables or more that pull the elevator cab or the counter weight letting the elevator go up or down.
When you are in an elevator, the elevator is a pulley.
Gym pulleys Window blinds elevator pulleys garage door pulleys
Not necessarily. An hydraulic elevator (as in mining), or a grain elevator would not be pulleys. Nor elevator shoes.
Passenger elevators are big pulleys powered by a motor with 6-8 cables or more that pull the elevator cab or the counter weight letting the elevator go up or down.
an elevator =D
An passenger elevator is a type of vertical transportation that moves people between floors of a building.
Main purpose of an elevator is to enable the vertical transportation. So, depends on what it is carying,it can be differentiate like passenger elevator,frieght elevator etc..... Hence the main purpose of the passanger elevator is to enable the vertical transportation to the human(passenger).
Elisha Otis
It was installed in 1843
Elisha Otis
Elisha Otis (1852)