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A stackable and collapsible storage box (100) comprising a foldable wrapper (10) having side wall and end wall panels which are releasably retained within a peripheral channel (30a) on a separate base portion (30). The wall panels have lower extension portions (11, 12) that are folded upwardly to pr

A stackable and collapsible storage box (100) comprising a foldable wrapper (10) having side wall and end wall panels which are releasably retained within a peripheral channel (30a) on a separate base portion (30). The wall panels have lower extension portions (11, 12) that are folded upwardly to provide a double thickness and these lower extension portions have an upper edge (12a) or apertures (37) that engage with short protrusions (33) formed on an inner wall (32) of the channel to retain the panels. The end wall panels have upper first and second extensions portions (14a, 16) that are respectively folded inwardly and upwardly to provide a support edge (16a) to support hangers for hang files. The support edge can be strengthened with a channel section (19). The box can have a lid (50) has a ridge (53) to compliment channel (36) on the base portion to allow stacking.

대표청구항 ▼

1. A storage box assembly, comprising: at least one wall panel having a lower extension portion that is adapted to be upwardly folded and resiliently biased to return to an unfolded configuration;a base element having an upper peripheral channel on a top side thereof defined by a substantially rigid

1. A storage box assembly, comprising: at least one wall panel having a lower extension portion that is adapted to be upwardly folded and resiliently biased to return to an unfolded configuration;a base element having an upper peripheral channel on a top side thereof defined by a substantially rigid inner channel wall and a substantially rigid outer channel wall; andat least one protrusion disposed on an inner surface of at least one of the channel walls,wherein, when the lower extension portion of the at least one wall panel is inserted into the upper peripheral channel of the base element with the lower extension portion upwardly folded, the at least one wall panel becomes locked to the base element with at least part of the lower extension portion retained within the upper peripheral channel below the at least one protrusion, thereby forming a storage box. 2. The storage box assembly of claim 1, wherein the substantially rigid inner channel wall and the substantially rigid outer channel wall are continuous about a periphery of the base element. 3. The storage box assembly of claim 1, wherein the upper peripheral channel has a predetermined shape, such that, when the at least one wall panel is locked to the base element, the at least one wall panel assumes the predetermined shape. 4. The storage box assembly of claim 1, wherein the base element further comprises a lower peripheral channel on a bottom side thereof. 5. The storage box assembly of claim 4, further comprising a substantially planar lid element having a downwardly facing peripheral channel on a bottom side thereof and an upwardly extending peripheral ridge on a top side thereof, the peripheral ridge being substantially opposite and coincident to the downwardly facing peripheral channel, wherein the upwardly facing peripheral ridge is configured to be received within the lower peripheral channel of the base element for stacking in releasable vertical alignment. 6. The storage box assembly of claim 1, wherein the at least one wall panel comprises: a first side wall panel and an opposing second side wall panel; anda first end wall panel and an opposing second end wall panel,wherein the first and second side wall panels alternate with and are joined to the first and second end wall panels via preformed fold lines to form a wrapper, andwherein each of the end wall panels includes an upper extension portion adapted to be downwardly folded to increase a thickness of at least a portion of each of the end wall panels. 7. The storage box assembly of claim 1, further comprising a label holder comprising: an upper cross member;a lower cross member;a pair of side members joining the upper cross member to the lower cross member; andat least two projecting lugs,wherein the at least one wall panel includes at least two holes adapted to receive the projecting lugs when the label holder is bowed for insertion of the lugs through the holes and whereafter it straightens to capture the lugs within the holes, thereby securing the label holder to the at least one wall panel with sufficient space to slidably and releasably receive a label between a rear face of the label holder and an outer face of the at least one wall panel. 8. The storage box assembly of claim 7, wherein the label holder is dimensioned to accommodate a sheet of standard-sized paper folded parallel to its shorter edge when the label holder is secured to the at least one wall panel. 9. The storage box assembly of claim 6, wherein each of the upper extension portions includes a transverse crease that enables a lower portion of the upper extension portion to be folded upwardly and secured with an edge of the lower portion below an upper edge of the end wall panel in order to provide a supporting edge for at least one hanging file. 10. The storage box assembly of claim 9, further comprising at least one length of rigid channel section adapted to fit over at least a portion of the edge of the lower portion of the upper extension portion, thereby protecting the edge of the lower portion of the upper extension portion and providing a hanging file rail. 11. The storage box assembly of claim 5, wherein the at least one wall panel includes at least one crease enabling the at least one wall section to be folded flat, and wherein the storage box assembly is provided with the flattened at least one wall section, the base element, and the lid element arranged as a compact flat assembly. 12. The storage box assembly of claim 5, wherein the lid element comprises: a frame portion; anda lid panel hingedly attached to the frame portion, andwherein the downwardly facing peripheral channel of the lid includes a plurality of retention lugs adapted to secure the lid element to the at least one wall panel. 13. The storage box assembly of claim 5, wherein the downwardly facing peripheral channel on the bottom side of the lid element comprises a substantially rigid material, thereby to enhance structural integrity of the storage box and to maintain the at least one wall panel in a substantially planar configuration. 14. The storage box assembly of claim 1, wherein the at least one wall panel includes an upper extension portion joined to the at least one wall panel via a fold crease that permits the upper extension portion to be folded downwardly inside a perimeter of the at least one wall panel, such that, when the at least one wall panel is locked to the base element, the downwardly folded upper extension portion increases a wall thickness of at least a portion of the at least one wall panel. 15. The storage box assembly of claim 1, wherein the base element comprises a substantially rigid plastic material. 16. The storage box assembly of claim 5, wherein the lid element comprises a substantially rigid plastic material. 17. The storage box assembly of claim 1, wherein, when the lower extension portion of the at least one wall panel is upwardly folded and inserted into the upper peripheral channel of the base element, the lower extension portion terminates above a top edge of the channel walls, and wherein the lower extension portion of the at least one wall panel comprises a plurality of holes adapted to engage the at least one substantially rigid protrusion when the lower extension portion of the at least one wall panel is inserted into the upper peripheral channel of the base element. 18. The storage box assembly of claim 1, wherein the at least one wall panel comprises a material capable of supporting a crease and capable of being folded over upon itself. 19. A method of assembling a storage box, comprising the steps of: providing at least one wall panel having a lower extension portion that is adapted to be upwardly folded and resiliently biased to return to an unfolded configuration;providing a base having a peripheral channel defined by a pair of substantially rigid opposing walls, the peripheral channel including at least one substantially rigid protrusion disposed on an inner surface of at least one of the pair of substantially rigid opposing walls; andinserting the at least one wall panel into the peripheral channel of the base with the lower extension portion upwardly folded such that the at least one wall panel becomes locked to the base with at least a portion of the lower extension portion below the at least one substantially rigid protrusion. 20. The method of claim 19, wherein the at least one wall panel further comprises an upper extension portion including a first extension portion and a second extension portion, and further comprising the steps of: folding the first extension portion downward to form an upper edge to the at least one wall panel; andfolding the second extension portion upward to form a lower edge and a supporting edge parallel to and below the upper edge of the at least one wall panel. 21. The method of claim 20, further comprising the steps of: fitting a length of channel section to the supporting edge; andfitting a lid to the folded upper extension portion of the at least one wall panel. 22. The storage box assembly of claim 1, wherein the base element further comprises at least one slot in a base portion thereof, wherein the at least one slot is aligned substantially opposite the at least one protrusion.