Door structure of a magnetically-shielded room

Details Door structure of a magnetically-shielded room Door structure of a magnetically-shielded room

1995-12-26

1998-04-07

Kincaid, Kristine L.

Electricity: conductors and insulators

Anti-inductive structures

Conductor transposition

49209, 49218, 49449, H05K 900, E05D 1510

Patent

active

057366713

ABSTRACT:
A door structure for a magnetically-shielded room intended to absorb interference magnetic fields, particularly very low frequency magnetic fields, and arranged to move substantially rectilinearly in the direction of the plane of the door leaf, and substantially rectilinearly in a direction which is perpendicular to the plane of the door leaf. The door leaf is attached to a support structure of the door leaf by hinge mechanisms so that the door leaf is movable perpendicular to the structure of the door leaf in order to provide a movement in a direction perpendicular to the plane of the door leaf. The door structure includes power transmission members arranged to exert an effect on press members on the edge areas of the door leaf such that the press members turn around hinging members whereby exposed .mu. metal sheet structure on the edge areas of the door leaf is pressed tightly against .mu. metal sheet structure of the shielding wall structure at an aperture in a wall of the magnetically-shielded room.

REFERENCES:
patent: 547387 (1895-10-01), Taylor
patent: 2056226 (1936-10-01), Mussey et al.
patent: 2347705 (1944-05-01), Mosler et al.
patent: 4561209 (1985-12-01), Sohlstrom
patent: 4753038 (1988-06-01), Sohlstrom
patent: 4959504 (1990-09-01), Yarger et al.
patent: 5017736 (1991-05-01), Yarger et al.
patent: 5197225 (1993-03-01), Yff
Japan Abstracts No. 6-33669, Feb. 8, 1994.

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