Patent ID: 7213821
Filing Date: 2007-05-08
Classification: B62B

Abstract:
1. A cart assembly having an expandable volume, said assembly comprising: a cart having a bottom wall, a front wall, a back wall, a first side wall and a second side wall such that said cart has a substantially rectangular shape and includes four vertically orientated corners, a plurality of wheels being rotatably coupled to said bottom wall, each of said corners including a post having an open upper end; a loop having a generally rectangular shape and including a first lateral portion, a second lateral portion, a first end portion and a second end portion, each of a plurality of secondary walls being attached to and extending downwardly from one of said lateral and end portions; and each of a plurality of rods being attached to said loop and extending downwardly therefrom, each of said rods being extended into one of said upper ends of said posts, each of said rods being selectively positionable with respect to said posts such that each of said secondary walls is positioned outside of said cart; and a plurality of guides, each of said guides being attached to one of said posts such that each of said posts has a pair of said guides attached thereto, each of said guides of said pairs of said guides being angled generally perpendicular to each other, each of said guides being slidably coupled to one of said secondary walls.