Patent ID: 8910399
Filing Date: 2014-12-16
Classification: A43B,B65D

Abstract:
1. Nesting modular elevators for footwear, comprising: a plurality of elevator units including a lower elevator unit and an upper elevator unit, each of the elevator units having a horizontally elongated closed upper surface ( said upper elevator unit having at least one tab defined by a pair of opposed slits formed through the wall, the tab being coplanar with the peripherally continuous wall thereof, wherein the tab has a wall end (WE) and a free end (FE), the free end of the tab being resiliently flexible relative to the wall end of the tab; the at least one tab having an integral tang protruding outwardly from the free end of the tab; and said lower elevator unit having a rim extending upwardly from the upper surface, the rim having at least one forward horizontally elongated slot and a rearward slot disposed therethrough, the at least one integral tang removably and resiliently engaging the corresponding horizontally elongated slot of another unit for removably securing the elevator units to one another, whereby the resilience of the tabs of the upper elevator unit allows the integral tang to deform inwardly and snap into place in the horizontally elongated slot of the lower elevator unit, wherein the tab, the integral tang and the horizontally elongated slot are designed to allow the elevator unit to be stacked over one another.