Patent ID: 6035918
Filing Date: 2000-03-14
Classification: E06B

Abstract:
A fast-opening and fast-closing goods-handling door for allowing vehicles to pass therethrough, said door comprising/a flexible curtain having vertically oriented, opposite edges, guided in respective slideways, and retained therein by means of retaining carriages guided by rails received in the slideways, without the carriages being able to leave said rails, wherein respective ones of said carriages located proximate to opposite edges of said curtain are connected by at least one transverse strength element, at least one of said at least one strength element being constituted by a tension resisting bar extending from one edge of the curtain to the other, opposite edge, and wherein at least one of said carriages is releasably connected to the bar by a rupturable mechanical coupling designed to intentionally release its connection under the effect of a predetermined force acting in a direction substantially parallel to said tension resisting bar.