Sunday, Aug 18, 2024 at 11:58
This has now degenerated into a back and
forth centred around the definition applied to various component names and there is probably never going to be agreement on this.
Over the years I have built a number of tow bar assemblies and fitted them myself (hardly legal now days). I have also fitted factory made tow bars, as
well as had dealers fit them for me. I have never experienced a situation where one has come adrift from the vehicle chassis nor has the possibility ever crossed my mind. One would have to think that if this has/is happening then there must be a serious design fault, deficiencies in the way it was fitted, or had the assembly suffer undue stress in some other way.
I think it would be fair to say that the situation referred to by another poster, where the vehicle jack knifed on the highway and ripped the whole assembly off the chassis would/should have been extremely rare and by that stage it probably would not have mattered at all where the breakaway was connected as it would not have helped much by then anyway.
One has to consider that it is totally legal and industry best practice to have the safety chains attached directly to the main tow bar assembly, not the chassis or other. In fact back when we had the tongue (or receiver or whatever) properly bolted to the tow bar assembly it was common practice to attach the safety chains direct to the tongue close to the tow ball.
It would seem to me that the example in the photo is deficient, not in where it is attached, but rather how it is attached. If that should come adrift due to a loss of the pin, then all is lost. The trailer, the tongue and the break away attachment point, that would not be good and could easily muck up an otherwise perfectly good day.
Roy G
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926926