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US 5,709,158 AGranted
Shelf structure
AssigneeContico International, Inc.
InventorRobert Oliver Wareheim
Life of this patent
Estimating the term…
Abstract
A plastic molded shelf assembly is comprised of rectangular shelf units. Each shelf unit is comprised of a grid having a beam structure which includes a channel depending from the grid periphery and a longitudinal central channel, the channels having generally U-shaped cross-sections.
Claims26
A shelf unit comprising:
- a grid of crisscrossing, vertically oriented cross webs defining a generally planar shelf surface, the grid having a periphery;
- a plurality of U-shaped channels connected end-to-end and extending completely around the periphery of the grid;
- four corner brackets positioned outside the U-shaped channels from the grid, each corner bracket having a cylinder with an interior bore dimensioned for receiving a pole for supporting the shelf unit;
- and
- the grid, the plurality of the U-shaped channels and the four corner brackets are all integrally molded as one piece of plastic.
2 more elements
A shelf unit comprising:
- a grid of crisscrossing, vertically oriented cross webs defining a generally planar shelf surface, the grid having a periphery;
- a plurality of U-shaped channels extending around the periphery of the grid;
- four corner brackets connected to the grid, each corner bracket having a cylinder with an interior bore for receiving a pole for supporting the shelf unit;
- the grid, the plurality of U-shaped channels and the four corner brackets being molded integrally of plastic and consisting solely of the plastic;
- and
- each of the plurality of U-shaped channels is comprised of a pair of horizontally spaced side walls with opposite top and bottom edges and a horizontal cross wall connected between the bottom edges, the U-shaped channel being open between the side wall top edges.
3 more elements
Dependencies are inferred from the claim text.