Shoulder-carriable wheeled cart assembly

A shoulder-carriable wheeled cart assembly comprising:

• (a) a cart frame having an upper end portion and a lower end portion, said frame lower end portion having a pair of wheels mounted thereon and a foldable shelf member extendable laterally from one side thereof, said cart frame having arranged thereon a plurality of spaced first cooperative attachment members;
• (b) a detachable backpack mountable on said one side of said cart frame, said backpack having an interior storage volume and an exterior surface, said exterior surface having arranged thereon a plurality of spaced second cooperative attachment members, each of said second cooperative attachment members aligned with, attachable to and detachable from a corresponding first cooperative attachment member on said cart frame, said backpack supportable on said shelf member when said shelf member is in a laterally extended position;
• (c) a plurality of laterally spaced support pegs mounted on said cart frame lower end portion, said support pegs extending away from the other side of said cart frame,
• (d) a detachable harness strap extending from the other side of said cart frame, said harness strap having an upper end and a lower end, said harness strap upper end attachable to and detachable from said cart frame upper end portion, said harness strap lower end attachable to and detachable from said cart frame lower end portion, said harness strap tightenable about articles mounted on said support pegs between said harness strap and said cart frame to secure said articles against said cart frame other side.