Central Opening Elevator

Center-opening doors – these doors also slide open horizontally, but from opposite sides of the elevator cab. They are commonly used in high-rise elevators. Folding doors – these doors fold open like an accordion and are often used in small elevators, such as those found in residential buildings.Hoistway – The opening (shaft) in which the elevator travels. Hoistway Door – The door that gives you access to the elevator. Interlock – A device that provides a physical lock for hoistway door and gives an electrical signal which allows the car to run.Hydraulic and electric or cable-driven elevators are the two most common types. Each of these two types can be found in both commercial and residential settings. Hydraulic elevators have a basic design of a car attached to a lifting system.