Accessory mechanism e.g. for fence, has utilizable element with mounting device provided which is fastened at fence or fastened at part where utilizable element is fastened

摘要

The accessory mechanism (10) has an utilizable element (20). A mounting device (30) is provided which is fastened at the fence or is fastened at the part where utilizable element is fastened. The mounting device cannot be loosened after its attachment at the fence without destruction or unless the same tool is used again. The utilizable element cannot be released after its attachment at the mounting device without destruction or unless the same tool is used again. An independent claim is included for a mounting device, and an utilizable element.