| 摘要 |
<p>The rail (10) has a profile (12) i.e. beam, extending parallel to a longitudinal axis (X) and including an upper part (14) for receiving a receiving unit (16) of a fastening device. The receiving unit comprises a profiled portion (18) along the longitudinal axis, and includes a body (20) supported on a base plate (22) having a reduced cross-section. The body includes two upwardly curved sides (24-1, 24-2) or a set of broken lines joined at level of a top and central surface (26) of the body. An independent claim is also included for a fastening device.</p> |
