Abstract: A prefabricated building module includes a rectangular floor structure, three walls and a trussed roof structure enclosing a ceiling space with two end walls pivoted about the short sides of the floor structure, the third wall pivoted at its lower end to a long side of the floor structure and the roof structure pivoted at the upper end of said side wall such that said walls and roof structure fold onto the floor structure to form a flat pack with the same footprint as the floor structure. The roof structure comprises a ceiling and upright roof trusses pivoted to the ceiling which fold down within the plan of the roof and the walls have provision for doors and windows.

Abstract: A self-contained modular home a first section, a second section and a top section, each section having an interior which is 100% complete and an exterior which requires only siding or other exterior finish for completion. The three sections of the self-contained modular home are designed to be transported on a low boy trailer or other transport system to a permanent foundation site. The modular home incorporates a unique steel cable lifting system within the floor system which enables the modules to be set on the foundation with or without the use of a crane. The modular home is bolted to a permanent slab foundation by a steel strap securing arrangement in such a manner that a one and half inch air space is created under the home.

Abstract: A side expandable shelter system having a transport mode in which a side expandable section(s) is completely nested within an (ISO-style) main shelter section, and a deployment mode in which the side expandable section is completely protracted from the main shelter section. The side expandable shelter system comprises a flooring structure for the side expandable section provided by a hinged flooring panel assembly consisting of at least two floor panels hinged together so that they can be stacked compactly in a vertical direction when the side expandable section is retracted within the main shelter section, in a nested manner, so as to be completed contained therewithin its transport mode, and extended in horizontal direction when the side expandable section is projected from the main shelter section during the deployment mode. Both single and double side expandable shelter systems are provided.

Abstract: A modular structure system comprises a plurality of modular units connected to one another. Each of the plurality of modular units are moveable from a collapsed position to an erected position and include a plurality of sidewalls defined by a plurality of cementitious panels hingedly connected to one another and moveable from a closed position to an open position, and a top defined by a cementitious panel. The collapsed position is defined by the plurality of sidewalls and the top being separated and configured in a flat position. The erected position is defined by the plurality of sidewalls being moved from the closed position to the open position and the top being positioned to overlie the plurality of sidewalls.

Abstract: A roof assembly for a transportable building construction includes a plurality of ceiling joists and at least one roof unit rotatably secured to at least one ceiling joist, the at least one roof unit formed from a plurality of rafters wherein the at least one roof unit is moveable between a collapsed position whereby the plurality the plurality of rafters of the at least one roof unit lie in a plane substantially parallel to the plurality of ceiling joists, and an assembled position whereby each of the plurality of rafters of the at least one roof unit extends entirely to an apex of the at least one roof unit.

Abstract: A mobile collapsed building simulator for use in training fire fighters and emergency personnel. The simulator comprises a trailer body with an interior partitioned into two vertical levels. A plurality of partitions divide the vertical levels into a navigable path through the trailer body. A plurality of obstacles are configured within navigable path to simulate a collapsed building environment.

Abstract: A tarpaulin system that turns a flatbed trailer into a fully covered trailer and closes to provide an open flatbed trailer. The system is comprised of a plurality of inverted U-shaped support bows extending laterally across the trailer and secured to sections of the tarpaulin. Each support bow has rollers secured thereto for sliding movement along rails on each side of the trailer. A plurality of pairs of inverted U-shaped uplifting bows also extend laterally across the trailer and are pivotally secured to the support bows on opposite sides to spread apart during opening of the system. Intermediate support rods are secured between adjacent pairs of uplifting bows and extend laterally across the trailer between the uplifting bows beneath the tarpaulin sections to restrict the tarpaulin sections from falling between the uplifting bows when the system is closed.

Abstract: A stackable building structure frame of the shelter type whereby to shelter shopping carts. The stackable building structure frame can be secured in a collapsed condition whereby to facilitate transport, storage and the erection of such building structures. The frame is comprised of reinforced connecting plates secured to opposed corners of a roof frame and to a vertical support post secured thereto. The connecting plates permit the vertical posts, which constitute the side walls of the structures, to be folded under the roof assembly. The vertical posts are secured to the connecting plates by a pair of connections one of which is a hinge connection. These vertical posts are interconnected in a folded condition by connecting vertical leg braces which are also the adjustable legs for the vertical posts. Stacking corner support legs are detachably secured to opposed corners of the collapsed building structure frame to permit stacking of these collapsed frames one on top of each other.

Abstract: The present invention is a free standing portable deck for use with recreational vehicles. The deck further comprises a polygonal shape lower support frame. The support frame further comprises a plurality of removably interconnected rails. A flat planar platform portion is being removably mounted upon the lower support frame. A plurality of leg members are being disposed underneath the lower support frame at each corner such that the platform portion is held in a substantially level position at a predetermined height in relation to the recreational vehicle door. Each leg member is removably connected to each corner of the lower support frame. The upper support frame is removably connected to the lower support frame and extends linearly upward. At least one step means provides for ingressing and regressing onto the platform portion. The at least one step means is located at a predetermined distance from the lower support frame and at a predetermined height in relation to the ground level.

Abstract: An innovative variable floorplan shelter for previously unbuildable types of land that allows the freedom to change the sizes and/or the shapes and/or the number of rooms within the shelter utilizing movable walls that offer choice of transparent, translucent or opaque walls for a variety of privacy levels. The innovative new shelter has an enhanced speed of construction based upon mass produced, modular components with over 80% of the components being relatively lightweight allowing the carrying and assembly of components by hand by unskilled labor in a reduced period of time. The new shelter offers the innovative function of being able to add or subtract floor space and/or change the overall shape of that floor space at any time.

Abstract: A telescopically adjustable structure capable of defining or measuring an arbitrary three-dimensional volume and having twelve telescopically adjustable telescopic units, capable of maintaining a change in telescopic length and eight corner connection units for assembling the telescopic rods into a three-dimensional structure. A method of assembly may have the telescopic units adjusted to specified length prior to three-dimensional assembly or, alternately, the telescopic units may be assembled in collapsed telescopic form, and adjusted in assembled fashion. Particularly suited to provide a lightweight, low-cost, low-damage furniture or object double to check how the furniture volume might fit in a space or be transported to a space.

Abstract: A personnel decontamination and containment system is disclosed. This system includes a plurality of components positionable on a selected location for establishment of a multi-station decontamination and containment facility to decontaminate personnel and to contain contaminants collected during the decontamination process. The components can include a plurality of collapsible frame and roof assemblies, wall and roof covers, a weapons clearing assembly, a weapons storage locker, a hanging bar, a signage assembly, collapsible containment hamper assemblies, a covered dispensing assembly, a shuffle box, a multi-wipe dispensing assembly, and a transportable containment enclosure. The enclosure is shaped and sized to removably retain the system's components for transportation or the like.

Abstract: Compacting, fully enclosed, floored combination multi-antechamber and ramp system for emergency and civil defense use providing, when expanded, means of ingress and egress for the general population including the infected, wounded and handicapped to and from buildings or other folding structures via portals to which its adapter may be securely attached or retrofit while passing through a series of two or more antechambers so as to prevent spreading contamination and allow for various decontamination protocols to be conducted in separate chambers. Compacting is achieved by modularity in some embodiments, and folding in other embodiments, in both framed and panel versions, providing important advantages for transport, pre-positioning, storage, and warehousing.

Abstract: A container, especially intended for use as a workroom, with an adjustable volume includes a base container with a floor panel and a roof panel, and at least one box-shaped expansion element that can be extended from the base container. The expansion element includes a floor panel, a roof panel, a side that is open to the base container, a front panel that is opposite the open side, and two side panels. The container further includes a device with which a box-shaped expansion element can be lowered, such that, once the expansion element has been extended, the floor panels of the expansion element and the base container are at the same height, and with which an expansion element can be raised such that, once the expansion element has been lowered, it can be reinserted into the base container. The roof panel of the box-shaped expansion element is designed to fold along a horizontal axis on the upper edge of the front panel of the expansion element.

Abstract: A mobile cellular telephone tower comprises a self-propelled base and a tower connected to the base. The tower includes a base segment and at least a first extendable segment operatively connected to a second extendable segment. A winch is connected to the base, and a first cable is connected between the base segment and the first extendable segment to extend the first extendable segment. A second cable is connected between the winch and the second extendable segment to retract the second extendable segment. Cellular telephone network testing equipment mounted on the tower.

Abstract: A method for manufacture and assembly of a concrete structure includes manufacturing, at a first location, wall sections and floor/ceiling sections. The wall sections include interior form walls of adjustable separation, and may include interior and exterior finish features, interior rebar, electrical and water supply, and optional fabric forms. The floor/ceiling sections include forms that have adjustable components, and may include rebar, interior finish features, and electrical and heating components. Wall sections and floor/ceiling sections are rotatably and slidably/rotatably attached to one another to define structure segments. Structure segments may be placed in shipping containers for transport. Structure segments are transported to a construction site in a compact orientation, manipulated to an assembled position, and then concrete is inserted into forms defined by the segments and permitted to cure.

Abstract: A lightweight structure for space application is deployable from a compact bundle of interconnected struts into a plurality of tiled substantially rectangular bays. Each bay preferably comprises four or six hinged strut members having substantially rectangular cross sections, such that a solar or other suitable blanket may be compactly nested within the bundled struts. In one aspect of the invention, the blanket is attached to two opposed strut members of a six-member strut bundle, such that the blanket is unfolded during deployment of the strut bundle into a substantially rectangular bay. In another aspect of the invention, the blanket is attached to, and held against, a single strut in a strut bundle. After the strut bundle is deployed into a substantially rectangular bay, the blanket is spread across the bay via a cable mechanism or other deployment mechanism.

Abstract: A portable pre-fabricated sports and hunting shed includes a substantially solid rectangular structure having an integral projecting element attachable to any standard trailer hitch and, at an opposite longitudinal end thereof, a pair of wheels, an adjoining axle, and means for journaling the axle, which means is attached to a base of the shed to thereby provide a rear wheel means by which the sports shed may be towed by a vehicle to which the trailer hitch is attached. Alternatively, the portable, prefabricated hunter's blind may be placed within a pickup truck to be hauled thereby. A four-wheel, off-road vehicle is placed within the portable shooting shed and over four disassembled legs of the assembly and other elements associated with the shed. By positioning the four-wheel off-road vehicle on top of all elements of the shed, the undesirable movement of the parts of the pre-fabricated structure during hauling is minimized.

Abstract: Modular structures constructed from interlocking wall modules made of plate steel and assembled with C-channel connectors, including tongue and groove elements used to position adjoining modules adjacent to one another, for example during the construction of a cell block. The tongue and groove elements ensure all adjacent prison cell modules are properly aligned such that the front fascia of each cell module lies within substantially the same plane. Further, the interlocking of the tongue and groove allows for the quick, cost-effective construction of a schoolroom having double skinned walls in an effort to increase the stability of the structure. Lastly, the interlocking panels may be formed in relatively small sections and then joined together in order to form a larger wall.

Abstract: The present invention comprises a fluid-injectable internal bag layer, a base-material layer superposed on an external periphery of the internal bag layer and impregnated with a photo-curing resin, and an outer layer superposed on an external periphery of the base-material layer and having transparency. The base-material layer is formed of a composite member serving as a reinforcing fiber layer impregnated with the photo-curing resin, and a grid net superposed on the composite member and preventing flow of the photo-curing resin.

Abstract: A housing structure includes a first plurality of wall panels which form a lower course and a second plurality of wall panels which form an upper course. Each of the wall portions is generally rectangular and includes integrally formed interlocking portions which facilitate attachment of adjacent lateral edges of the wall portions of the first plurality to each other. Integrally formed interlocking portions facilitate attachment of the panels in the lower course to the panels in the upper course. In addition, rectangular roof panels are provided to enclose the housing structure. The interlocking portions enable the panels to slide into an interlocked engagement configuration thereby forming a rigid structure without the need for tools.

Abstract: A recreational vehicle is disclosed providing living space extensions with improved actuation and alignment systems, sun deck extensions, a deployable stairway, and a stowable tub. In some embodiments, the living space extension may be actuated by at least one self-centering rack and pinion system. In another embodiment, the alignment system may provide at least one tension cord for maintaining the extension in an upright position. The sun deck extension may be provided with actuatable sidewall panels configured to provide a parapet on at least a portion of the extension. The stairs may be provided with sliding treads coupled to a stringer, and the tub may be retractable and configured with a retractable bed and cover.

Abstract: The invention is a collapsible structure comprising a plurality of panel elements, each having a coilable frame element and flexible material attached to the frame element. The panel elements are joined to define an enclosure having a roof portion and a bottom perimeter. The bottom perimeter rests on a supporting surface. The structure has at least one roof support rod having a first end and a second end. The first end of the at least one roof support rod is attached to a first location on the bottom perimeter, and the second end of the at least one roof support rod is attached to a second location on the bottom perimeter. The at least one roof support rod is in supporting contact with the roof portion of the enclosure.

Abstract: A building or insulating panel (30) including a collapsible frame of generally square or rectangular configuration, which is collapsible between a generally flat condition and an erected condition in which it is installed. The frame including overlying top and bottom sheets (31,32) that are generally parallel and spaced apart in the erected condition of the frame by two webs (33,36) which are spaced apart to extend in generally parallel realationship lengthwise along opposite side regions of the frame. The webs (33, 36) extend substantially perpendicular to the top and bottom sheets (31, 32) in the erected condition and are disposed substantially parallel to the top and bottom sheets (31, 32) in the collapsed condition. The panel further includes reinforcing means (37) which is inserted between the top and bottom sheets (31, 32) when the frame is in the erected condition to reinforce the panel (30) against collapse.

Abstract: A portable decontamination system includes a preassembled shelter, convertible between a stowed configuration and a deployed configuration, and a fluid delivery system integral with the shelter. In the stowed configuration the shelter encloses a negligible volume. In the deployed configuration the shelter comprises a plurality of side walls, a plurality of end walls, and a roof. The walls and the roof define a central space. The fluid delivery system is configured to convey decontamination fluid into the shelter and to distribute decontamination fluid throughout at least a portion of the central space.

Abstract: A shelter for the protection of for the protection of persons, animals, equipment, materials, property, and similar things of value from potentially damaging environmental conditions is disclosed. Various embodiments include the use of a frame structure and hinged panels which are unfolded to create the walls of the structure. Optionally flexible surfaces may be added to the ends of the shelter to at least partially close the end of the shelter.

Abstract: A modular sentry station uses stackable interlocking panels that when assembled provide a ballistic shield. The sentry station can optionally include interlocking ceiling and floor panels that provide a partially enclosed, bunker-type ballistic shield.

Abstract: A privacy enclosure for use on a boat. The privacy enclosure includes a plurality of rigid wall structures that raise in a first vertical direction and extend in a second lateral direction to provide sufficient space for use as a changing room. The privacy enclosure includes a compartment within which a toilet may be located. The toilet can be slid out from the compartment into the interior of the enclosure for use.

Abstract: A system of modular assembly comprising a plurality of structural members. Each of the plurality of structural members comprises at least two slots along a lengthwise side. A first one of the at least two slots defines a first outside slot which is located nearest to a first widthwise side and a second one of the at least two slots defines a second outside slot which is located nearest to a second widthwise side. The distance between the slot axis of the first outside slot and the first widthwise side is a predetermined slot-to-side distance, and the distance between the slot axis of the second outside slot and the second widthwise side is a whole-number multiple of the predetermined slot-to-side distance. The distance between each of the slot axes of the at least two slots along one of said lengthwise sides is a whole-number multiple of the predetermined slot-to-side distance.

Abstract: A doghouse includes a plurality of side panels connecting a front panel and a rear panel. A roof includes two roof panels each including runners that slidably connect to upper ledges in the front and rear panels. The side panels can be connected to the front and rear panels using hooks on the side panels that are slidably engaged to receiving members in slots in the front and rear panels. Alternatively, the side panels can slidably connect to the front and rear panels using a tee or dovetail joint. The prefabricated doghouse can be disassembled and reassembled multiple times over the lifetime of the doghouse without experiencing significant wear and tear. The doghouse can be assembled and disassembled efficiently by following a series of easy-to-follow steps. A user can disassemble the doghouse, store the doghouse, and easily assemble the doghouse with a minimal amount of time and effort.

Abstract: The unfolding modular building system includes a main floor section having a plurality of square frames having inverted pyramidal support assemblies depending therefrom, hinged corner sections defining wall frames, hinged roof support and truss sections defining gable end frames, and hinged roof panel frames, whereby an interior perimeter may be defined by the interconnection of a system components. The system is easily transported and assembled and its modular construction enables the assembly of a structure having a plurality of interconnected modular units.

Abstract: An interconnecting sound attenuating enclosure (20) that incorporates a detachable structural frame (22) made of thermoplastic pipe (34) with slip-in fittings (36), thus providing joints that are dissembled for transportation and storage. A set of walls, doors and a top consisting of individual panels (48) covered with fabric bags (58) are attached to the outside of the structural frame (22) to form the enclosure (20). The sound produced within the enclosure (20) is attenuated to a sufficient degree to be acceptable by others nearby.

Abstract: An emergency and temporary building system. The system allows for a flexible building approach where a variety of structures can be built from the same basic components. The system allows a building to be quickly erected with a few basic tools. Components of the system are assembled using three basic clips. Components of the building system include a flat square panel and a plank having a slanted edge that can be clipped to the panel and to other planks to make a frame to contain the panel. Doors, windows, screens, plumbing and electrical connections can be made by replacing the standard flat panel with special panels for each application.

Abstract: The present invention includes a folding tent that can be moved to a folded position and mounted on a trailer for transporting. The tent can then be fanned out to an unfolded configuration and the trailer can be used to lift the tent upwardly. The legs are then folded downwardly into support relationship for the roof and the trailer can be moved.

Abstract: An engineered purpose-built portable habitable structure formed of a transformable rectangular enclosure that includes a base shell having hingedly attached exterior and interior walls that fold out to form a habitable structure. The walls of the structure are pre-wired and pre-plumbed and are adapted to connect to appropriate supply sources exterior to the structure.

Abstract: A folding modular structure is described. The structure typically includes a top panel, which is ultimately the roof deck. Two side panels, a front and a rear panel are connected to the top panel by pivoting mechanisms so that the side, front and rear panels can fold open to create the modular structure. Spacer panels are connected between three of the four total side, front and rear panels. The spacer panels are necessary to provide clearance so that each of the panels can be folded onto the other already folded panels. In the folded configuration, shipping many more modular structures to final destinations is possible.

Abstract: A prefabricated wall and roof unit for easy and cost efficient home construction. The wall unit is formed of a steel frame, a molded external panel formed into the shape of traditional building materials and features, and a layer of insulation material. The wall unit may be assembled in a quality controlled off-site factory.

Abstract: A portable and assembleable enclosure having a floor constructed of a first rigid panel and a second hingedly interconnecting panel, a recessed channel extending about an outer perimeter of the floor panels. A plurality of walls are each constructed of a rigid material and exhibit an annular shaped projection along a first extending side edge. A corresponding and annular shaped recess extends along a second extending side edge and receives, in engaging fashion, a first extending side edge of a succeeding wall and so that the walls may be interconnected along opposing extending edges in addition to being secured to the floor in upwardly extending fashion from within the recessed channel. A peaked roof is constructed of a first rigid panel and a second interconnecting rigid panel and which is secured to an upper perimeter extending edge of the interconnected walls. First and second pairs of triangular shaped and hinged end panels securing to opposite ends of the peaked roof panels and to enclose the structure.

Abstract: A deployable structure includes a structural mechanism consisting of a plurality of rigid links 1 connected together by rotational joints 2 to form an array of Bennett linkages 20. The Bennett linkages 20 are interconnected so that the structural mechanism, including all the Bennett linkages 20, has a single degree of mobility. The structural mechanism has a profile with a curvature that varies during movement to deploy the structure from a state in which its profile is flat to a state in which its profile is curved. This allows is very convenient as the structure may be assembled, stored and/or transported in the flat state, prior to deployment into the curved state. As such the structure has many application including the frame for a tent.

Abstract: A substantially preassembled modular frame system for erecting permanent school buildings. The system design, materials, and construction have been pre-approved by state inspectors. The system provides a roof that is extensible from a low position that is configured to permit the system to be transported on highways and fit under common overpasses and bridges to a pitched position that provides a sloped roof profile to improve insulation factors of completed buildings and better shed rain, snow, and debris. The system includes anchor assemblies that are rigidly connected to the frame to inhibit uplift forces acting on the building from distorting or dislodging the building from the foundation. The system also includes preassembled wall panels and a convenient mechanism for emplacing and securing the wall panels within the modular frames.

Abstract: Each panel of an interlocking construction system comprises: first and second sheathing members; at least one framing member secured between the sheathing members; a male and/or female panel side edge. The male panel side edge includes splines, each extending from between the sheathing members distally beyond the side edges, substantially perpendicular thereto. The female panel side edge includes a opposing pairs of parallel grooves, one on each sheathing member and extending proximally from the second side edge substantially perpendicular thereto. The female panel edge may engage a male panel edge of another similarly adapted panel with the splines of the other panel received within the grooves of the female panel edge. The male panel edge is adapted for engaging a female panel edge of another similarly adapted panel with the splines of the male panel edge inserted into grooves of the other panel.

Abstract: A freestanding enclosure for temporarily retaining large animals has a frame including four upstanding corner posts with a plurality of vertical posts horizontally spaced between each upstanding corner post. A plurality of horizontal cross rails are vertically spaced and extend between each upstanding corner post and vertical post to form an area of retention. Connectors releasably secure the horizontal cross rails to the upstanding corner posts and vertical posts such that the enclosure can be easily assembled, disassembled, transported and stored. A plurality of panels block the openings formed in the frame. A door provides access with the area of retention.

Abstract: A portable golf shelter that protects one golfer from inclement weather as they swing a golf club or practice their putting, chipping, or pitching. The golf shelter comprises a three-sided frame with at least one pair of wheels mounted on the opposite side frames. The frame is made of lightweight material and the wheels are mounted on the side frames so that the front edges of the two side frames can be easily lifted by one person forcing the rear frame downward with light pressure. When the front edges are lifted, the shelter can be easily moved to different locations on the golf course. An optional rearward extending handle is mounted on the rear frame member to assist the person move the shelter. The shelter also includes a lightweight retractable roof that may be folded downward to reduce the shelter's overall side profile. When the roof is extended, the space inside the shelter is sufficient to allow a golfer and instructor to stand and swing a golf club unencumbered.

Abstract: There is provided a shelter foldable between an open, operative position and a closed, storage or carrying position. The shelter comprises first and second elongated planar side sections, each formed from elongated rear and front members; and cross members extending between and secured to the rear and front members of each side section to rigidify each side section. A collapsible cross brace structure pivotably and slidably secured to the rear members joins the planar side sections and permits them to be moved between closed position adjacent each other and open position spaced from each other. The shelter also comprises a bench secured to one of the cross members and pivotable therewith between a storage position parallel to its corresponding side section when the shelter is in closed position, and a seating position extending over to and supported on a corresponding cross member on the other side section when the shelter is in open position.

Abstract: Collapsible structures are provided having at least two panels, with each of the panels having a flexible loop member defining a closed loop and adapted to assume an expanded position and a collapsed position, and a fabric for partially covering the loop member. The loop members of two adjacent first and second panels overlap each other at a first overlapping point along first edges of the loop members, and at a second overlapping point along second edges of the loop members, with the overlapping loop members defining a hinge portion about which the two loop members of the first and second panels are pivotable.

Abstract: The collapsible shelter includes a truss and a canopy framework that provides a flexible, collapsible canopy that is capable of flexing and moving, in whole or in part, between a raised position and lower positions having a reduced profile from the raised position. The collapsible shelter includes at least three legs supporting a flexible framework mounted to the tops of the legs and forming the framework of the canopy. Truss pairs of link members are connected to each of the legs on each side of the shelter between adjacent legs.

Abstract: A collapsible, portable shelter consisting of two or more telescoping levels which may be raised and locked into position for use and which may be lowered and collapsed for transport and towing, and further having interchangeable wheels and skis for transport of the shelter over dry land or snow or ice.

Abstract: Embodiments of the present invention are directed to a storage shed that is strong, durable, low-maintenance, easy to assemble and use, and relatively inexpensive to manufacture and ship, and can be mass produced. In one embodiment, a storage shed comprises a preformed floor; a plurality of preformed, plastic corner posts having bottoms which are configured to be mounted onto the floor to be spaced from each other, and two preformed, plastic braces having bottoms which are configured to be mounted onto the floor to be spaced from one another. A preformed roof truss is configured to be connected to tops of the two braces. The roof truss has a spring preload to pull the tops of the two braces toward one another. A preformed roof is attached to tops of the plurality of corner posts. A preformed front door is supported between two of the plurality of corner posts.

Abstract: The invention provides prefabricated folding residential dwellings comprised of prefabricated floor, wall and roof members that fold inwardly upon itself to produce a compact partially collapsed folded structure, which is easily transportable, and then unfold outwardly for quick and easy on-site installation.

Abstract: The present invention provides a system, or kit, of injection molded panels having integrated connectors which combine to form an enclosure, commonly in the form of a utility shed. The bilaterally symmetrical panels are formed of injection molded plastic to interlock with one another without the need for separate I-beam connectors. The ends of the wall panels have cavities to accept both roof and floor outwardly projecting interlocking posts for interlocking cooperative engagement which serve to rigidly connect the components together. The bilateral symmetry of the wall, roof, floor and door components also minimizes component shapes and simplifies enclosure construction.