| CPC A47B 47/0083 (2013.01) [A47B 47/0091 (2013.01)] | 14 Claims |

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1. A shelf unit for a shelf assembly, comprising:
a shelf body having a first end, a second end, a front side, a rear side, first and second support openings, an integral receiver, a first crossbar, a second crossbar, and a third crossbar, the first support opening disposed adjacent the first end and adjacent the rear side, the second support opening disposed adjacent the second end and adjacent the rear side, the integral receiver disposed adjacent the rear side between and spaced from the first end and the second end of the shelf body, the first crossbar being adjacent the front side and disposed between the first end and the second end, the second crossbar being adjacent the rear side and disposed between the first end and the second end, and the third crossbar being disposed between the first crossbar and the second crossbar and disposed between the first end and the second end, wherein the integral receiver is reinforced by at least one reinforcing rib integrally connected to the integral receiver and an adjacent wall; and
a plurality of support posts, one of the plurality of support posts being an integral receiver post received by the integral receiver of the shelf body.
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