| 摘要 |
<p>Retainer device for rectangular connection of two box beams, eg. in a structure for casing purposes. The structure consists of two beam guides running at right angles to each other and firmly connected the one to the other. They incorporate an insert aperture (8) for the first beam (2) and a passage (9) for the second beam (1) and for each beam guides a fixture device is provided for retaining the corresponding beam in its right angle position. The fixture comprises two strips (6, 7) running crossways over the guides, the strips being either firm fixtures or releasably attached.</p> |
