Device for connecting a car door with a shaft door and for locking and unlocking the doors, a device for emergency unlocking of a car door and a method for emergency unlocking of a car door

摘要

A device for connecting a car door with a shaft door and for emergency unlocking of a car door consists of an entrainer arranged at the car door, which entrainer detachably connects, together with a roller pair arranged at the shaft door, the car door with the shaft door, and of a first locking mechanism for locking and unlocking the car door and of a second locking mechanism for locking and unlocking the shaft door. When the doors are closed and locked the entrainer is closed and can freely move between the two rollers of the roller pair when the elevator car is traveling between two floors or past a floor not to be served. The first locking mechanism is controlled directly.