A safety locking device for a shaft door of an elevator and a method for opening the shaft door using the safety locking device involve a shaft door lock having: a first stopper stopping the shaft door at a closed first position wherein the lock locks the shaft door; an emergency release mechanism manually releasing the lock allowing movement in an opening direction; a second stopper stopping the shaft door at a semi-open second position between closed and open wherein the lock locks the shaft door; and at least one counter-stopper engaging with the first stopper to stop the shaft door at the first position and engaging with the second stopper to stop the shaft door at the second position.
SAFETY LOCKING DEVICE FOR A SHAFT DOOR OF AN ELEVATOR AND METHOD FOR OPENING A SHAFT DOOR OF AN ELEVATOR USING A SAFETY LOCKING DEVICE
2025-02-13
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
European Patent Office | 2024
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