Device for tensioning side tarpaulin having abutment element securing tightener independent of side tarpaulin tension

A device for tensioning a side tarpaulin on a mounting structure, said device comprising:

• (a) an abutment element attachable to the mounting structure;
• (b) at least one side tarpaulin tightener separate from said abutment element, being attachable to the side tarpaulin and swivelable into said abutment element to a closed position therein so as to serve as a tension lever to apply a desired tension to said side tarpaulin;
• and
• (c) a latch mechanism pivotally attached to said side tarpaulin tightener and engageable with said abutment element upon swiveling of said side tarpaulin tightener to said closed position for releasably securing said side tarpaulin tightener to said abutment element at said closed position and for retaining said side tarpaulin tightener at said closed position independent of the tension exerted on the side tarpaulin;
• (d) wherein said abutment element is attachable stationarily on the mounting structure and has spaced apart upper and lower portions, said upper portion defining a slide-in pocket open in a downward direction, said lower portion defining a latching edge, said abutment element between said slide-in pocket of said upper portion and said latching edge of said lower portion defining a stop which acts to prevent movement of said side tarpaulin tightener in the downward direction once said tightener is placed in said abutment element at said closed position.