IMPROVEMENTS IN SECURITY GRILLES

摘要

A security grille assembly comprising a bar support member (1) and an opposed locking member (2), both of which are adapted to be applied to opposed surfaces of an aperture in a building or the like which requires securing against unwanted intrusion. Between the support member and the locking member extend bars (3), the opposed ends of which engage within appropriately located receiving apertures in the opposed support member (1) and locking member (2). Included within the locking member (2) is a slide (8) which is slidingly movable within and guided by the interior of locking member (2) under the influence of a lock (6) by the intermediary of a cam (13).