| 摘要 |
<p>The base has a roof prop (20) for covering a roof membrane. The roof prop comprises an inner supporting element (21) and an outer supporting element (22). The inner supporting element is pivotably coupled to a central mast (10). The outer supporting element is displaceably supported along the inner support element. A support rod (30) is arranged between the central mast and the roof prop. The support rod is displaceably supported along the central mast and pivotably coupled with the roof prop. The support rod is hinged at the inner support element. The support elements are formed by hollow rods. The inner support element is designed a profiled tube (40). An independent claim is also included for an umbrella.</p> |
