DOOR ASSEMBLY FOR SHIELDED ROOM Russian patent published in 2000 - IPC

FIELD: protection against electromagnetic interference. SUBSTANCE: door assembly for room shielded against electromagnetic interference has modified design that includes structure of door having internal space parallel to outer surfaces of door. Plates on door are mounted in spacing for movement towards edges and from them. Assembled supports and assembled guides accurately adjust movement of plates. Pneumatic chamber placed with inward spacing from edges of door provides for sliding of plates outwards and return springs pull plates when compressed air is released from chamber. Buffers that push flexible contact members for touch with jamb and threshold of door opening rest against outer edges of plates. EFFECT: improved functional characteristics of door assembly. 15 cl, 5 dwg