Patent ID: 6450360
Filing Date: 2002-09-17
Classification: B65G

Abstract:
A spring-loaded tube assembly for attachment inside a container, said assembly comprising:a plurality of tubes for placement in the container, each of said tubes having an inner longitudinal chamber and an outer longitudinal chamber aligned parallel and adjacent to each other but separated from each other by a coextensive wall, wherein the outer chamber in each of the tubes has a longitudinal slot made therein; a coiled tension spring arranged inside the inner chamber of each tube; an anchor secured at one end of each tube and configured to hold one end of the coiled tension spring therein; and fasteners connected to an edge of a shelf and configured to hold another end of the coiled tension spring; whereby the shelf is responsive to any weight placed thereon and goes up and down as each coiled tension spring is respectively extended and contracted inside the inner chamber of each tube.