Hinge bolt for fastening shutter on wall - has perpendicular hook engaging hinge strap and adjusted by threaded shank with lock=nut

摘要

The hinge-bolt (B) secures an open shutter (S) near the wall and is incorporated on the wall-mounted hook (H) or axle or a strap hinge. A plate which about a diametrical pin and in a perpendicular diametrical slot in the head of the hook (H). The bolt has a perpendicular adjustable catch (1) which engages the strap. The catch acts at a greater distance from the hook and allows the hook-anchor (A) embedded obliquely in the wall. The catch may comprise a threaded shaft terminating in an arrowhead (1), screwing into a threaded hole (2) in the bolt (B), and secured by a nut (3).