A collapsible cart for transporting multiple items having a horizontal platform with wheels for maneuvering, and a plurality of detachable baskets mounted on basket supporting assemblies. The basket supporting assemblies are pivotally mounted so as to be capable of independent deployment and stowing to facilitate loading and unloading in turn.

A collapsible water treatment digester includes a flexible bladder, a frame, and a plurality of filter plates. The flexible bladder is movable from a collapsed position wherein the bladder is folded into a substantially flattened state to an expanded position wherein the bladder forms a water treatment chamber. The frame is connected to the bladder so as to support the bladder in the expanded position. The filter plates are disposed within the water treatment chamber of the bladder so as to caus...

A collapsible crate includes an improved hinge for connecting side walls to the base. The improved hinge includes a hinge member and a hinge receiver. The hinge receiver includes a pair of deformable tangs each having an opening. The hinge receiver includes a hinge pin having a pair of axial ends, each extending into the opening of the tang. Each axial end of the pin includes a tapered portion, which facilitates insertion of the hinge pin into the hinge receiver.

An article of footwear including an upper formed of a flexible upper material and a sole formed of a flexible sole material, wherein the sole is rolled, folded, or collapsed onto itself to reduce the volume of the article of footwear. The article of footwear in a collapsed state can then be packaged in a container. This container can be dispensed by a vending machine in a convenient urban area.

An apparatus for the protection and transportation of cargo includes a planar bottom, four upright sides that are hingedly attached to the planar bottom and a top member that preferably is detachable. The four upright sides includes flexible corners that permit them to fold down on top of the planar bottom. The top is then secured over the collapsed upright sides for storage of the apparatus. To use the apparatus, the upright sides are raised, the cargo is placed on top of the planar bottom inte...

A duct for containing a cable and method for mounting the cable therein include providing the duct with a collapsible or flexible wall movable between a contracted condition for mounting the duct in a conduit and an extended condition of increased cross-sectional area for inserting a cable in the duct. The duct is moved to its extended condition by an applied internal pressure and, after the cable has been inserted, the duct is returned to its contracted condition. The duct has a multiple layer ...

A collapsible structure useful for such applications as a portable garage, greenhouse, camping or camouflage covering comprises a pair of hub members detachably connected to one another by hub connector and a plurality of spring-steel joist members pivotally mounted in the hubs and serving to support a stretched skin thereover. The structure is held stably in either open or closed position by the combination of a Landau-type locking mechanism and a sheathed spring.

A structure that is collapsible from a volume-enclosing, expanded position to a position wherein the walls and roof are disposed in a horizontally extending stack of generally vertically disposed members. The roof is pivotally mounted to an upper portion of a free-standing rear wall (which is operatively connected to the ground in free-standing position), and the front wall is pivotally connected to the roof generally along the front edge of the roof. A floor may be provided having at least a po...

A collapsible sawhorse is provided in which the legs are pivotally mounted relative to each other for movement between a conventional load supporting sawhorse position and a collapsed position. The collapsible sawhorse comprises a wide work supporting beam coextensive with the length and width of the device. A pair of rope lengths are provided to limit pivotal movement of the sawhorse legs. A brace selectively spans the legs to prevent inadvertent movement of the legs toward each other.

A collapsible reel (9) includes a resilient band (10) in the form of a discontinuous annulus and having end separated portions (14, 15). Those portions are coupled through a link (21) which is pivotable at two pivotal connections (24, 25), disposed at opposite ends of the link and fixedly coupled respectively to those portions, such that the link is movable between two positions at which the effective circumference of the reel has, respectively, been expanded and contracted. Detent means (40, 41...