Door structure with deformable peripheral edge
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United States of America Patent
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-
Nov 4, 2003
Grant Date -
N/A
app pub date -
Oct 17, 2001
filing date -
Jan 4, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A door structure has a first plate with an opening enclosed by a peripheral edge and a door connected to this first plate by a hinge construction, which first plate carries a number of clamps which are simultaneously rotatable by an operating mechanism with an operating handle and through rotation can co-act with the peripheral surfaces of corresponding non-round continuous holes in the door. The peripheral surfaces each have a contact surface inclining relative to the main plane of the door structure, and the continuous holes have a form such that the clamps can pass therethrough. The peripheral edge is deformable under the influence of an air pressure pulse acting on the door structure in the closed position such that at least the door can be pressed out of the main plane it occupies when the door structure is in the closed position while maintaining the sealing co-action between the door and the peripheral edge, and the mechanical integrity of the door structure.
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