Patent ID: 7882934

Claim:
An elevator installation in a building with at least two elevators, wherein the building is divided into at least two building zones that are arranged vertically one above the other and each elevator has at least one elevator car, each elevator car being independently movable by an associated drive in an associated car zone and each car zone having at least one transfer floor and at least one further floor, comprising: a first one of the at least two elevators has at least three elevator cars arranged vertically one above the other in a shaft and which include a middle and two adjacent elevator cars, wherein said middle elevator car is independently movable in a middle car zone and said two adjacent elevator cars are independently movable in two associated adjacent car zones, said middle car zone and at least one of said adjacent car zones serve at least one common floor and that at feast one of said car zones is allocated to the at least two building zones in said shaft and at least another of said car zones is allocated to only one of the at least two building zones; and a second one of the at least two elevators having a high-speed car which exclusively serves the transfer floors of the building zones from a building lobby.