| 摘要 |
<p>The frame (1) is for accommodation of cover plates for formation of a rectangular casing for an air-conditioning apparatus and has corner parts (6), each of which encloses three profile extensions (5) directed in accordance with the axes of a three-dimensional coordinate system, to which the profile strips (4) forming the side edges of the frame are alignedly fixed. The fixture of each profile strip to the corresponding profile extension of a corner part is by means of a screw (7). The screw is positioned in an intersection plane (8) of the two profile extensions arranged at right-angles to the profile strip.</p> |
