Patent ID: 7617947
Filing Date: 2009-11-17
Classification: B65D,Y02W,Y10T

Abstract:
1. A reusable box comprising: a floor having opposite side edges and opposite end edges bridging the side edges; respective side walls extending upward from the side edges; a fixed end wall extending upward from one of the end edges and fixedly bridging between the side walls; a movable end wall extending in a closed position upward from the other of the end edges and fitting between the side walls, the movable end wall being displaceable away from the fixed end wall from the closed position into an open position clear of the side walls and giving access to an interior of the box at the other end, the side walls and movable end wall having adjacent upwardly open holes; at least one upwardly flaring vertical groove and at least one upwardly tapering vertical ridge extending to an upper edge of each of the end walls and terminating at upper and lower edges of the respective end walls at respective flat and horizontal support surfaces, the grooves and ridges being dimensioned and shaped such that, for nesting, they interfit when the fixed and movable end walls of an upper such box are set down respectively on the fixed and movable end walls of a lower such box and that, for stacking, they vertically engage each other at the support surfaces to support the upper box above the lower box when the fixed and movable end walls of the upper box are set down respectively on the movable and fixed end walls of the lower box; and a pair of U-shaped elements having legs fittable into the holes and extending between the movable end wall and the side walls for releasably securing the movable end wall in the closed position.