Abstract: Opposite side edges of a base wall are hingedly attached each to a corresponding edge of a pair of side walls and, in the erected state, define three walls of a boxlike enclosure. In its collapsed or shipping position the cabinet side walls are folded oppositely from their erected position on pivot-like hinge means so that they are positioned flat against the rear surface of the base wall. Shipping and storage requirements are significantly less as the flattened units may be stacked one atop another with no wasted space, yet are easily assembled by folding the sides 270.degree. to their erect position.

Abstract: A collapsible enclosure for lavatories or the like having a front panel frame, a pair of substatially identical side panels and a bottom panel, which in assembled position form a partially enclosed rectangular housing. A stiffening brace disposed normally between the side panels at their rear top edges forms the fourth edge of a rectangular support for a removable flat top panel having a vertically disposed flange across the back edge and a round opening to accommodate the lavatory. The bottom panel folds up against the front frame. The two side panels rotate horizontally on composite hinges, one side of a clockwise direction and the other side in a counterclockwise direction, to assume adjacent positions parallel to the folded bottom panel. The two front corner hinge composites are designed so that one includes a substantially wider center leaf than the other.

Abstract: A cart on rollers includes a rigid cabinet portion and a foldable cabinet portion permitting the cart to be folded into a volume of less than half its normal size. The cart includes trays, shelves, and compartments for holding medical supplies used in taking blood-specimens in hospitals.

Abstract: A cabinet of the sort used as a vanity, or the like, is molded in several components connected in articulated relation for shipment in a flat, folded condition yet readily erected for installation. The components include a front panel formed with integral hinges connected to cooperating integral hinges formed on a pair of side panels adapted to fold over against one another and the front panel when the cabinet is in a collapsed position. A pair of shelves is provided, each with integral hinge pins pivotally engaging the front and side panels by sockets formed between the side panels and the front panel, both shelves being foldable against the front panel when collapsed. A back panel is provided for closing the rear of the cabinet when erected and means are provided for re-inforcing and supporting the various components from damage during shipment.