| 摘要 |
A face-mounted hinge for doors and windows comprises: two hinge bodies (2), each comprising a tubular portion (3) having a first central through hole (4) and a flap (5) for fastening to a respective mobile frame or fixed frame (6, 7); a hinge pin (8) inserted coaxially into the first holes (4) to enable the hinge bodies (2) to rotate relative to each other about an axis defined by the pin (8); each flap (5) extends laterally from the respective tubular portion (3) and has at least one second through hole (9) designed to be engaged by a part of means (10) for fastening the flap (5) to the respective mobile frame or fixed frame (6, 7); the frames (6, 7) each have a first surface for contact with the flap (5) and are provided with at least one third through hole (11) that leads into a tubular chamber (12); the fastening means (10) comprise a first bush (13) protruding from the second hole (9), an expansion plug (14) that can be pre-fitted on the first bush (13) and designed to be accommodated in the tubular chamber (12), a screw fastening member (10v) and an extension element (15) that can be interposed between the first bush (13) and the plug (14); the extension element (15) has at least one pair of teeth (16, 16a) protruding from the ends of it and, in use, designed to engage respective grooves (17, 18) formed on the first bush (13) and on the plug (14) in such a way as to create an anti-rotation constraint at least on the plug (14). |
