INDUSTRIAL DOOR

Abstract

An industrial door comprises a sheet (10), a plurality of horizontal sheet tensioning elements (12) distributed over the surface of the sheet, and a structure for supporting and moving the sheet (5; 105; 1005). This structure includes two vertical support posts (20), a towing trolley (14; 114) sliding along each vertical support post (20), and a plurality of towed trolleys (15; 115) sliding along each vertical support post. Each towing trolley and each towed trolley are provided with sheet connection means (16; 116) adapted to be connected to a respective end of a respective horizontal sheet tensioning element. Each sheet tensioning element consists of a tie rod (12).