Security device for industrial areas, door with such a device, and an area with such a door

摘要

A lever (24) enables the bolt (16) to be opened but not closed from the inside of an enclosure and a second handle protected by a screen (58) and directly connected to the bolt (16) gives full operation from the outside. Dangerous equipment within the enclosure is controlled by a sliding rod (48) attached to the bolt mechanism which engages with a contactor (49).