Safety fence

摘要

The safety or protective fence has a retaining device (1) with a connecting plate (15). The connecting plate has a hole (16). The hole of the connecting plate is provided corresponding to the two opposing wall portions that penetrate a hole pair (22,24). The connecting plate of the holding device has an opposing hole of the hole pair to another hole of the hole pair for a projecting collar (23) for guiding the fastening screw (3).