The present invention provides disposable mobile storage units and supply carts, their methods of assembly and use. More particularly, the invention relates to carts that are lightweight, reusable, collapsible, recyclable, and suitable for use in a wide variety of industries.
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1. A storage unit comprising a) a back having a first horizontal slot, a first tab extending upward from a top edge, a second tab extending downward from a bottom edge, and a vertical notch extending from each lateral surface;b) a first side and a second side, wherein each side includes i) a top gro
1. A storage unit comprising a) a back having a first horizontal slot, a first tab extending upward from a top edge, a second tab extending downward from a bottom edge, and a vertical notch extending from each lateral surface;b) a first side and a second side, wherein each side includes i) a top groove extending from an anterior surface into an anterior portion of a side,ii) a first groove below the top groove, wherein the first groove extends from an anterior surface into an anterior portion of a side,iii) a first anterior vertical slot adjacent to a second anterior vertical slot, wherein both first and second anterior slots are near a top of a side,iv) a first posterior vertical slot adjacent to a second posterior vertical slot, wherein both the first and second posterior slots are near a top of a side, andv) an anterior tab with a horizontal slot and a posterior tab with a horizontal slot, wherein the anterior and posterior tabs are near a bottom of a side;c) a top having i) a horizontal notch extending from each lateral surface of the top, wherein each horizontal notch inserts into a top groove of a side, andii) a tenon in a ventral surface such that the first tab of the back inserts into the tenon of the top;d) a bottom having i) a posterior opening such that the second tab of the back inserts into the posterior opening,ii) first and second anterior side openings, wherein an anterior tab of each side inserts into the first and second anterior side openings, andiii) first and second posterior side openings, wherein a posterior tab of each side inserts into the first and second posterior side openings;e) a first shelf having i) a first horizontal notch extending from each lateral surface of the first shelf, wherein each first horizontal notch inserts into a first groove of a side, andii) a first rear tab extending from a posterior surface such that the first rear tab inserts into the first horizontal slot of the back;f) a first trim piece having a first and second foldable tab, wherein each foldable tab extends from a lateral side of the first trim piece such that each foldable tab inserts into the first anterior vertical slot of a side, folds over, and inserts into the second anterior vertical slot of a side,g) a second trim piece having a first and second foldable tab, wherein each foldable tab extends from a lateral side of a second trim piece such that each foldable tab inserts into the first posterior vertical slot of a side, folds over, and inserts into the second posterior vertical slot of a side; andh) a first and a second bridge, wherein the first bridge inserts through the horizontal slots of the anterior tabs of the first and second side and the second bridge inserts through the horizontal slots of a posterior tabs of the first and second side. 2. The storage unit of claim 1 further comprising at least a first caster mount, a first wheel, and a first nut, wherein the first caster mount attaches to the first wheel and to either the first or second bridge, and the first nut secures the first wheel in place. 3. The storage unit of claim 2 further comprising a second caster mount, a second wheel, a second nut, wherein the second caster mount attaches to the second wheel and to either the first or second bridge that is not already attached to a first caster mount, and the second nut secures the second wheel in place. 4. The storage unit of claim 3 further comprising three or more second caster mounts, three or more second wheels, and three or more second nuts. 5. The storage unit of claim 1, wherein the back includes a second horizontal slot below the first horizontal slot and each side includes a second groove below the first groove, wherein the second groove extends from an anterior surface of a side into an anterior portion of the side. 6. The storage unit of claim 5 further comprising a second shelf having a) a second horizontal notch extending from each lateral surface of the second shelf, wherein each second horizontal notch inserts into a second groove of a side, andb) a second rear tab extending from a posterior surface of the second shelf such that the second rear tab inserts into a second horizontal slot of the back. 7. The storage unit of claim 1, wherein the bottom further includes an anterior opening. 8. The storage unit of claim 7 further comprising a front bottom trim piece having a bottom tab that inserts into the anterior opening of the bottom. 9. The storage unit of claim 1 further comprising at least one drawer. 10. The storage unit of claim 1 further comprising a second shelf having a) a second horizontal notch extending from each lateral surface of the second shelf, wherein each second horizontal notch inserts into a second groove of a side, andb) a second rear tab extending from a posterior surface such that the second rear tab inserts into a second horizontal slot of the back. 11. The storage unit of claim 10 further comprising two drawers. 12. The storage unit of claim 10 further comprising three or more second shelves. 13. The storage unit of claim 12 further comprising three or more drawers. 14. The storage unit of claim 1, wherein the storage unit is comprised of cardboard, metal, plastic, wood, glass, or a combination thereof.
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