Patent ID: 7886926

Claim:
A transport container system for transporting bulk goods, comprising: a stackable crate having a bottom element and four side walls, each of the four side walls comprising: a side wall element having an upper side and a guide slot; and an attachment element having a protruding connecting part; wherein said attachment element is foldably connected via the protruding connecting part to said side wall element such that said attachment element is movable between a folded up state and an unfolded state and wherein the protruding connecting part of said attachment member is pivotably or slidably mounted in the guide slot of said side wall element; said attachment elements being configured to increase a volumetric capacity of the crate in said folded up state wherein the upper side of each of said side wall elements supports said respective attachment element resting thereon, and each protruding connecting part of each of said attachment elements is retained by the corresponding guide slot of the respective side wall element; and said attachment elements and said side wall elements being configured such that said attachment elements are capable of folding in a pivotable or slidable motion and in the folded down state integrate into the respective one of said side wall elements in such a manner that the attachment elements at least will not protrude substantially over a thickness of the side wall elements.