ELECTROMECHANICAL CLOSING DEVICE FOR MANHOLE COVERS, ENTRANCES AND TECHNOLOGICAL CONTAINERS, WITH AN ELECTRONIC CODE SYSTEM FOR THE OPENING

摘要

Electromechanical closing device for manhole covers, entrances and technological containers, with an electronic code system for the opening. The closing device is activated by a suitable key which, besides transmitting the opening codes, also gives the necessary power supply for its functioning. Moreover, the device may be remotely controlled by a supervision system.