| 摘要 |
<p>A bifold door (10) comprises door sections (12.1, 12.2) and a centre section (14), with a hinge construction (16) between each door panel and the centre section. Each door panel comprises an extruded metal section (18), and the part (14) is also an extruded metal section. First and second hinge elements (22 and 24) of synthetic plastics material have key formations (42 and 50) respectively, which engage with key-ways (28 and 34) in the extruded sections. The hinge element (22) has a pintle (44) and the hinge element (24) a bore (48) in which the pintle is received.</p> |
