Storage container with improved mounting assembly

A container for transport on the bed of a vehicle or trailer having upper and lower surfaces, comprising:

• a top wall, a bottom wall and a side wall interconnected to form an interior;
• a number of flanges extending from at least one of said bottom wall and said side wall, each of said flanges being formed with at least one bore which aligns with a hole formed in the bed;
• a mounting assembly connecting each of said flanges to the truck bed, each of said mounting assemblies comprising:
• (i) a shaft having a first threaded section, a second threaded section and an unthreaded section located between said first and second threaded sections;
• (ii) a stop fixed to said shaft at the juncture of said second threaded section and said unthreaded section;
• (ii) a bushing positioned along said unthreaded section;
• said shaft of one of said mounting assemblies being inserted through said at least one bore in each of said flanges and through an aligning hole in the bed such that said stop is located between the upper surface of the bed and said flange and said bushing engages said flange, each of said mounting assemblies being secured in place by a first nut tightened down along said first threaded section against said bushing and by a second nut tightened down along said second threaded section against the bottom surface of the bed.