Patent ID: 7624548

Claim:
A temporary closure comprising a solid pane framed in a size-adjustable quadrangular frame that includes: four side members, each of which forms at least a part of a side of the frame, eight corner members, each telescopically connecting a side member and in pairs forming a corner of the frame; four longitudinal mountings, each of which is mounted on a side member and is arranged to displaceably receive part of the pane, at least one corner plate fastened on each corner of the frame and having an extension portion which extends beyond adjacent longitudinal mounting(s) over a free surface of the pane, said extension portion comprises means for fixing the pane member in a desired position in the frame, a longitudinal slot formed in each of the side members at the transition between the side member and the associated mounting, said slot being arranged to displaceably receive an area of a corner plate for facilitating adjustable movement between the side members and the corner members, means for detachably fastening the frame in a structural opening, whereby said frame may temporarily close the structural opening, and where the temporary closure is reusable in structural openings of different sizes.