Clamp securing flange on window frame - has hook flange on profile bars taking clamping piece with edge supported on frame

摘要

The metal profile bars forming the support frame have a hook flange which takes an angular clamping piece and a groove flange engages into the clamping piece. The clamping piece (4) is provided with a folded edge at the end of its inner side piece (5) and this edge (8) is supported on the surface of the support frame (1). The lug (7) of the clamp (4) on the inner side piece presses against the hook flange (3) whilst the outer, sprung side piece (6) presses with its end together with a support flange (9) onto the side wall of the frame (1).