Plastic glass roof for bad weather and sun protection of flower boxes and tubs is height-adjustable by means of telescopic bars, grooved, bars, holed bars or other devices

摘要

The plastic glass roof (1) for bad weather and sun protection of flower boxes and tubs (2) is height-adjustable by means of telescopic bars, grooved bars, holed bars or other devices (3). The height-adjustable devices are firmly cast into shafts (7) or are fixed in the shafts by wing screws (4,5), to enable the height of the plastic glass roof to be adjusted to the size and growth of the flowers. In the plastic glass roof holes with and without threads (8) ae provided for the height-adjustable devices. The wing screws are provided on the top of the plastic glass roof. They may also be provided under the roof. Other wing screws (5) are provided at the top of the flower boxes and tubs or at the bottom of them.