What if the assembly could be used without the tension of the spring to activate it.
The trucker could connect all the hoses and such and then pull the assembly back like a curtain once he was finished. If he/she was hauling a load that needed to have a cooling unit he/she would simply not pull it all the way back to meet the trailer.
I think the problem with this is that the most truckers would never use it. I see lots of trucks with flip up air deflectors that the truckers never bother to crank down once they are done disconnecting their load.
With the spring activated sytem, the trucker wouldn't have to actually do anything to make it work.
If truckers had to pay for their fuel out of pocket, then I can see the 'curtain' style sytem work.
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