Door assembly for shielded room

Details Door assembly for shielded room Door assembly for shielded room

1996-05-22

1998-07-28

Kincaid, Kristine L.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

49303, H05K 900

Patent

active

057865477

ABSTRACT:
A door assembly for an EMI shielded room includes a door structure defining an inner space parallel to the door faces. Plates are mounted in the space for movement toward and away from the door edges. Support and guide assemblies precisely regulate the plate movement. Either a pneumatic bladder, or a camming system, spaced inward from the door edges forces the plates to move outward from the door edges and parallel with the door plane. Return springs retract the plates when either the bladder is deflated, or the camming system is manipulated back to an at-rest position. The outer borders of the plates carry bumpers that force flexible contact members into engagement with the jamb and threshold of a doorway.

REFERENCES:
patent: 5569878 (1996-10-01), Zielinski

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