Electromechanical lock access securing device for lifts landing door, has key with pins having dimension corresponding to cavities, where pins are engaged narrowly in cavities to link together key and stopper in rotation

摘要

The device has a base (2) inviolably fixed with respect to an access to a lock (100) and including a tapped hole (5) for accessing the lock. A stopper (3) screwed in the hole has two cavities on an end surface. A key (4) has pins (23) having a dimension corresponding to the cavities. The pins are engaged narrowly in the cavities to link together the key and the stopper in rotation.