Hinge structure for swing-opening door or window - incorporates reinforcing arm extending over top part of door or window frame

摘要

The hinge mechanism is for a door or window (2). The top hinge (15,16,17) on the side of the door or window incorporates a reinforcing arm (3) which extends over the top part (10) of the door or window frame. The reinforcing bearing (8) is securely fastened to the fixed frame (9). The hinge end of the reinforcing arm is bent downwards through 90 deg. The hinge mechanism incorporates releasable screws (24) which connect a hinge flange to the downward pointing part of the arm. USE/ADVANTAGE - Strong hinge structure for swing-opening door or window.