| 摘要 |
<p>Lower contact rail comprises a chamber forming alight guiding channel for an optical sensor and running in the longitudinal direction. The chamber deforms under pressure and is laterally displaced toward the inner side of the door on the lower side of the rail. Preferred Features: The chamber has a hollow cylindrical shape with a constant circular cross-section over its length. The first segments of the casing surface of the chamber is exposed on the lower side of the rail and second segments of the chamber are exposed laterally toward the inner side of the door.</p> |
