ISO 7641:2012 Preview
Road vehicles -- Trailers up to 3,5 t -- Calculation of the mechanical strength of steel drawbars
This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
ISO 7641:2012 gives a simplified procedure for the calculation of the mechanical strength of steel drawbars, whether there are welds or not, for centre-axle trailers Categories O1 and O2 as specified in the UNECE, Consolidated Resolution on the Construction of Vehicles (R.E.3). Consequently, it only applies to simple constructions that enable a calculation in bending.
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