| 摘要 |
<p>DEVICE FOR AFFIXING A RAIL TO A CONCRETE SUPPORT. . This device includes a narrow metal band embedded in the upper surface of the concrete and curved at one end to form a vertical abutment which projects several centimeters. The fitting extends under the rail and is fixedly attached to a tightening bolt which extends through a clip, the end portions of which correspond respectively to the edge of the flange of the rail and the curved end portion of the fitting means so that the fitting means alone supports the tightening forces.</p> |
