| 摘要 |
<p>A one piece carriage for sliding door and window frames (1) comprises a pair of wheels (4a, 4b), sliding on a fixed track (3), connected in such a way that they can turn idly, at the relative ends of a support body (5) which can be attached, using relative means (6), to a crosspiece (7) which is part of a mobile frame (8), and support means (9) for the mobile crosspiece (7) which also adjust the position of the mobile crosspiece (7) relative to the track (3), said means being made in the form of a single body on the support body (5) and designed to allow an adjusting oscillation of the mobile crosspiece (7) relative to the support body (5), in operation, according to the differences in the levels of the track (3) and the mobile crosspiece (7).</p> |
