Patent ID: 7946664

Claim:
A shelf unit comprising: a back wall having opposing end sections; first and second side walls extending generally perpendicular from the respective end sections of the back wall, each side wall including first and second slots, the back wall and first and second side walls being formed from a first corrugated paper board; a first shelf having opposing end sections projecting through the first slot of each first and second side wall, respectively, the first slot having a shape similar to a cross-sectional shape of the first shelf, and being formed from a second corrugated paper board; and a second shelf having opposing end sections projecting through the second slot of each first and second side wall, respectively, the second shelf having a cross-sectional shape different than the cross-sectional shape of the first shelf, and being formed from a third corrugated paper board, the second shelf having a generally horizontal support, first and second generally vertical supports, the generally vertical supports being spaced apart, the second generally vertical support traversing a face portion of the shelf unit, and the second slot having an irregular shape that is contoured to permit the second shelf to pass therethrough when the second vertical support is disposed in an acute angled configuration and subsequently deployed to the generally vertical support position relative to the generally horizontal support.