Patent ID: 7556166

Claim:
A collapsible container having adjustable height walls, the container comprising: a base defining the bottom wall of the container; an opposing pair of side walls and an opposing pair of end walls, the side walls and end walls comprising first hinges that pivotally connect the side walls and end walls to the base, wherein the side walls and end walls are pivotable between an upright position and a collapsed position over the base; the side walls and end walls further comprising first latches to releasably engage respective adjacent pairs of side edges of the side walls and end walls when the side walls and end walls are in their upright position; and the side walls and end walls each further comprising extension walls movably connected thereto between a nested, unextended position and an upright, extended position, wherein the extension walls further comprise second latches to releasably engage respective adjacent pairs of side edges of the extension walls when the extension walls are in an upright, extended position; wherein the extension walls are slidably mounted adjacent to each respective side wall and end wall to allow movement of the extension walls from the nested, unextended position to the upright, extended position; whereby the container is collapsible for storage and has extendible side walls and end walls.