Roller shutter comprises case containing all shutter which comprises series of articulated laths which are wound into spiral by guide means, shutter driven by single shaft on which toothed wheels are fixed engaging slots along shutter

摘要

The roller shutter comprises a case (1) containing all the shutter (2). The shutter comprises a series of articulated laths enabling its winding or unwinding. Shutter guide means (4) wind the shutter in a spiral trajectory. The shutter is wound and unwound by a single drive shaft to which two toothed wheels (5) are fixed. The teeth (50) engage slots located along the shutter near the guide means. Each slot is formed on a link constituting with ends inserted at each end of each lath, the articulation between two laths.