| 摘要 |
A guiding arrangement for closure bodies such as roller doors, roller gates and shutters, which has a substantially U-shaped cross section for receiving the lateral marginal portions of the closure body by means of which an opening of a building, e.g. a garage entrance, is to be closed. The inside of the guiding arrangement is provided with one or more longitudinal grooves for displaceably receiving a roller mounting system including one or more rollers for laterally engaging and guiding the closure member. |
