Device for locking shutter leaf in open position comprises piston bolt sliding in strike plate fixed to shutter, bolt positioned in support between hinge shoulder and strap hinge when tipped through right angle

摘要

The locking device is composed of a pistol bolt (1) which slides in a strike plate (2) fixed to a shutter (3) by fours screws (4). By tipping through 90o the bolt is positioned in the U-shaped part of a support (5) inserted between the shoulder of a hinge (6) and a strap hinge (7). The support is fixed to the masonry (8) by two screws (9) and two wedging washers (10).