AUTOMATIC FIRE DOOR

摘要

Invention relates to an automatic fire door, namely an automatically operating fire door in the normal regime of operation, which is however in emergencies automatically and unconditionally adaptable to the critical regime of operation. Mounting of such door requires as little room as possible, and moreover, such door allows a reliable and safe use in complying with all standards in the field of fire protection. The door includes an assembly (5) for forced closing, an electromagnetic latch (4) envisaged for blocking the frame (8) in a predetermined position, an electromagnetic snap latch (13) and an electromagnetic snap latch (6).