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FOLDABLE SHUTTER HAVING SLATS PROVIDED WITH AN INNOVATIVE MUTUAL COUPLE-HOOKING SYSTEM TO SAFETY CLOSE OPENINGS OF CIVIL AND INDUSTRIAL BUILDINGS
FOLDABLE SHUTTER HAVING SLATS PROVIDED WITH AN INNOVATIVE MUTUAL COUPLE-HOOKING SYSTEM TO SAFETY CLOSE OPENINGS OF CIVIL AND INDUSTRIAL BUILDINGS
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机译:具有可折叠闸门的闸板,配有创新的互锁系统,可安全地保护民用和工业建筑的开孔
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摘要
The present invention concerns an improvement of the patent application ITBA201000030, filed on July 26, 2010 in the name of the present applicant and regards a folding roller shutter (1) for anti-burglary closing of doors and windows of residential and industrial buildings. Opening is obtained by pulling with ropes (11) the bottom slat or last panel (10) of the curtain (5) of the roller shutter (1), whereas closing is obtained with braked free fall of the bottom slat (10) itself. Each slat (2) constituting the curtain (5) is formed by a pair of connecting rods (3), which support metal sectional elements or sheets of metal or connection bars (4) on which panellings of various types can be rigidly constrained. The connecting rod (3) is equipped at its own ends (13, 14) with an innovative hook shape (17), devised as means for connection of each pair of slats so that the entire curtain (5) can effectively and efficiently resist any attempt at effraction of the roller shutter (1).
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