| 摘要 |
Provided is a lip suitable for use with a guide rail of a passive belt system. The guide rail defines an elongated slot through a wall thereof so as to permit displacement of a webbing-carrying movable member along the length of the guide rail. The lip is formed of a lip main body and a gill. When the lip is provided with the guide rail, the lip main body extends along the outer surface of a side wall of the guide rail toward the slot. The gill branches out from a part of the lip main body, which part is located in the vicinity of a free edge of the lip main body. Where the guide rail has a substantially U-shaped transverse cross-section, the lip may preferably be provided on each longitudinal outer side wall of the guide rail.
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