The present invention relates to a retractable cover system for a truck trailer body and, in particular, to a retractable tarpaulin cover that may be operated by manipulation of a single winder pulley and {HEAD ~ endless cable arrangement} to cover {TAIL ~ a trailer body} of a truck 
to cover
The present invention relates to a retractable cover system for a truck trailer body and , in particular , to a retractable tarpaulin cover that may be operated by manipulation of a single winder pulley and { HEAD ~ endless cable arrangement } to cover { TAIL ~ a trailer body } of a truck
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