Patent ID: 7121042
Filing Date: 2006-10-17
Classification: E05D,E05F,E05Y

Abstract:
1. A door assembly for sealing an opening surrounded by a seal member, said door assembly comprising: at least two tracks defining a linear travel path; a door movable along the linear travel path, said door having at least one stop member extending therefrom and fixed relative to said door, the at least one stop member preventing further movement of the door along the linear travel path; at least two guides respectively movable along the at least two tracks; at least two pairs of links, each link connected to one of said guides at a first location, and connected to the door at a second location, wherein the at least two pairs of links are movable between a first position where the door is spaced from the opening, and a second position where the door is adapted to press against the seal member surrounding the opening, to form a fluid-tight seal around the opening; and means for moving said at least two guides along the at least two tracks, wherein said door is movable in a direction transverse to said linear travel path after said at least one stop member impedes movement of said door along said linear travel path, wherein said means for moving said at least two guides continues to move said at least two guides along said linear path after movement of said door along said linear path is prevented by said stop member, thereby causing said at least two pairs of links to move said door from said first position to said second position.