US Patent 8960469 Storage system with stacking totes

A system for holding items includes a base tier including two or more totes and one or more higher tiers stacked on the base tier. Each of the higher tiers includes one or more totes stacked on a tote of a lower tier. Totes in of the tiers are laterally cross coupled to one another. The totes include lateral openings that allow removal of items through the lateral opening while the totes are stacked in place.