ISO 7641-1:1983

Road vehicles — Caravans and light trailers — Calculation of the mechanical strength of the drawbar — Part 1: Steel drawbars ISO 7641-1:1983

Publication date:   Oct 1, 1983

Scope

Gives a simplified procedure for the calculation of the mechanical strength of drawbars where the vertical static load on the coupling head does not exceed the limits specified in ISO/TR 4114. Applies only to steel drawbars of welded and other than welded construction. The welding procedure requirements given by the manufacturer shall be met.