Anti-winding safety device for roller shutter has cheek web integral to shutter winding shaft with connecting rod pivoting between deployed and retracted positions

摘要

Anti-winding safety device has cheek web (8) integral the shutter winding shaft (3) and positioned on edge of shutter (1). Connecting rod (10) articulated on cheek web and shutter upper slat (2) pivots between radially deployed position obtained in shutter bottom unwound opposition and retracted position against winding shaft during winding of shutter. Stop (13,16) automatically locks connecting rod relative to cheek web in its radially deployed position.