US Patent 10092099 Adjustable shelving

A rack for supporting items and comprising a first shelf and a second shelf that slideably interlocks with the first shelf and a plurality of support legs including at least two support legs for each of the first shelf and second shelf. Each of the first and second shelves has one end that includes a pair of spaced apart receiving ports with each receiving port for accommodating a corresponding support leg. Each of the first and second shelves further has an opposite end with the opposite ends for respective sliding engagement therebetween in order to provide the slideable interlocking.