Door assembly for shielded room

H - Electricity – 05 – K

Patent

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Details

H05K 9/00 (2006.01)

Patent

CA 2205667

A door assembly (10) for an EMI shielded room includes a door structure defining an inner space parallel to the door faces. Plates (50, 52) are mounted in the space for movement toward and away from the door edges. Support assemblies (40) and guide assemblies (58) precisely regulate the plate movement. A pneumatic bladder (66) spaced inward from the door edges forces the plates to move outward and return springs (70) retract the plates when the bladder is vented. The outer borders (54) of the plates carry bumpers (80) that force flexible contact members (76) into engagement with the jamb (14) and threshold (18) of a doorway.

Ensemble porte (10) pour chambre blindée contre le rayonnement électromagnétique comprenant une structure de porte définissant un espace intérieur parallèle aux faces de la porte. Des plaques (50, 52) placées dans ledit espace sont montées de manière à pouvoir se rapprocher ou s'éloigner des bords de la porte. Des éléments support (40) et des ensembles de guidage (58) permettent de guider les mouvements des plaques avec précision. Une vessie pneumatique (66) placée à l'intérieur des bords de la porte force les plaques à se mouvoir vers l'extérieur tandis que des ressorts (70) les rappellent lorsque la vessie est dégonflée. Les bords extérieurs (54) des plaques sont munis de boudins (80) qui poussent les éléments flexibles de contact (76) contre l'huisserie (14) et le seuil (18) de la porte.

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