even date herewith and is granted u s ser no 29 365 087 turning now to the drawings a shelving unit 10 according to the invention is illustrated in fig1 unit 10 includes four upright or vertically oriented corner support columns 11 12 13 14 horizontally oriented front and rear shelf support beams 16 18 in multiple sets of two at different elevations as shown and a variety of horizontally oriented shelves 20 22 24 shelves 20 22 24 may be of any suitable medium for example shelves 20 and 24 comprise wire shelves including a plurality of woven or cross set wires making up a shelf shelf 22 on the other hand may be solid laminated honeycombed or other configurations of one or more suitable materials such as wood particle board or other compositions the columns 11 14 are provided preferably in two joined sets columns 11 12 forming one side set and columns 13 14 another side set each column set has a plurality of horizontal welded in braces 26 27 and at least one inclined welded in brace 28 the columns 11 12 and 13 14 together with their respective braces 26 28 comprise side supports of the shelving unit 10 the columns 11 14 are preferably slotted as at 29 to accommodate tabs 30 extending from mounting brackets 32 supported ends of the respective front and rear beams 16 18 as will be described the similar slots 29 in.