Mechanical folding shutter protecting device, has latch with projecting part housed in respective openings on rail end for locking in open position and in rail in intermediate position for locking in closed position to slide rail on leaves

摘要

The device has a latch (L) articulated on one of rollers fixed on an inner side of each of leaves (V1, V2). The latch has a projecting part (S) moved longitudinally and housed in an opening on an end of a sliding rail (R) for locking in open position. The part is housed in another opening in the rail in an intermediate position for locking in closed shutter position to slide the rail on the leaves.