Spann or guide rail e.g. for dragging mean such as belt or chain, has comprehensive rail body with middle train provided and rail sections provided having spring like body

摘要

The span or guide rail has a comprehensive rail body with a middle train provided. Rail sections are provided having a spring like body. The stiffness of the rail body (2) is volatile on its length in spring section. The rail body has a spring plate strip (7) which has a varying thickness about its length and or width to achieve the volatile stiffness.