摘要 |
<p>The arrangement (10) has a frame comprising two outer longitudinal profiles (22, 24) and a middle longitudinal profile (12), which are connected with one another via joints (18, 20), where length of each longitudinal profile is adjustable. Free ends (34, 36) of the outer longitudinal profiles are connected by an oblong connecting element (38). A connecting piece (40) is formed by a sliding sleeve, which encompasses the middle longitudinal profile in a form fit manner. The longitudinal profiles are formed by rectangular or round profiles and are formed from light alloy or plastic.</p> |