Locking and unlocking mechanism for doors of elevators

摘要

Locking and unlocking device (1) has a stationary unit (4) arranged so that it delimits a movement play space of a moving part (8), and a unit (10) for locking and unlocking a door which moves into an unlocking position not by the movement of the moving part when the elevator (2) is located on a shaft door outside a prescribed region. Preferred Features: The stationary unit is a shaft wall or a device arranged on the shaft wall. The moving part is a roller or a sliding element. The device has an electrically controlled operating unit.