Abstract: This invention is a very lightweight vertical wall tent including a waterproof cover or rain fly that can be erected or pitched by one person alone to form a semi-rigid roof-like structure with two identical rectangular planar surfaces each sloping at the same angle away from and symmetrically about a horizontal ridge, the rain fly held completely clear of the ground surface and in a fully functioning and stable position solely by single vertical ridge-end poles and guy ropes at each end of the ridge and by eight corner guy ropes, two at each of the four corners of the rain fly, all corner guy ropes connecting the corners of the rain fly to suitable anchors set in or on the surface on which the tent is pitched, prior to raising and supporting the ridge ends of the rain fly on the ridge-end poles, the corner guy ropes of the rain fly being adjustable and preset to specific lengths and their corresponding anchors being set at precise locations predetermined with respect to the final desired position of the erec

Abstract: A collapsible play structure comprises one or more play modules connected together, each play module comprising at least three foldable frame members, each having a folded and an unfolded orientation. A fabric material substantially covers each frame member to form a side panel for each frame member when the frame member is in the unfolded orientation. Each side panel further comprises at least three sides. The left side of each side panel is connected and hinged to the right side of an adjacent side panel, and the right side of each side panel is connected and hinged to the left side of another adjacent side panel. The bottom side of each side panel is adapted to rest on a supporting surface to support the play module.

Abstract: A frame for a bimini cover for a deck of a water craft. The support structure has a first end frame retained in a fixed position with respect to the deck and a second end frame pivotally connected to the first end frame. The frame has first and second support members each of which have a first end fixed to the deck and a second end fixed to the first end frame to define first triangular members to hold the first end frame in a fixed position with respect to the deck. The second end frame is moved from a closed position to an opened position to selectively extend a canopy over the deck. First and second strut members are secured to the first end frame and joined to the second end frame to define second triangular members. The strut members are adjustable after being joined to the second end frame to hold the second end frame at a fixed arcuate distance from the first end frame while maintaining a predetermined tension on the canopy.

Abstract: A shelter for use in combination with a floating boat dock structure having a platform segment member, a first docking platform and a second docking platform provided with a canopy, a base support post depending downwardly therefrom, a first support post depending downwardly therefrom and a second support post depending downwardly therefrom. The base support post, the first support post and the second support post being pivotally attached to the canopy to provide pivotal motion of the respective support post relative to the canopy about any axis. The base support post being fixedly attached to the platform segment member of the floating boat dock structure. The first support post and the second support post being pivotally attached to the first docking platform and the second docking platform, respectively, to provide pivotal motion of the respective support posts relative to its respective docking platform about any axis.

Abstract: An attachment system, for erecting a tent having a flexible tent shell and a tent pole cooperating with the tent shell, includes a securing cord attached to a portion of the tent shell and a claw disposed at an end of the pole. The attachment system further includes an enlarged region disposed along the securing cord, which engages the claw, thereby retaining the tent shell in an extended position. The tent may also include a tent fly having an attached fly cord. An enlarged region disposed along the fly cord engages the claw to secure the tent fly.

Abstract: A system of panel units is provided for creating diverse items for use in both planned and emergency situations in outdoor settings. A prime panel unit can be used to form a tent, bivouac sack, tarp, fly, sail, signal panel, ground cloth, weatherproof suit, backpack, or kayak hull covering. Quarter panel units can be used to form items such as bags, pack covers, ground cloths, and rain capes. Various combinations of units can be fastened together to create a wide variety of larger and more diverse tents, tent modules, flies, and other items to meet diverse needs.

Abstract: A method and apparatus for a temporary corridor, to cover a walkway or the like, comprising easily transportable elements that can be quickly erected and disassembled on a selected site by one person.

Abstract: An easily and quickly deployable device for protecting against soiling of non-workpiece items during painting of a workpiece is provided by a device having at least one rigid section and at least one flexible section. The rigid section also acts as a housing for the flexible section. The device is folded open to protect non-workpiece items during the painting operation.

Abstract: Collapsible structures are provided that include arcade-styled games for the fun and entertainment of both adults and children. These collapsible structures can be easily and quickly folded and collapsed into a compact configuration. The collapsible structures have at least three foldable frame members, each having a folded and an unfolded orientation. A fabric material substantially covers each frame member to form a panel for each frame member when the frame member is in the unfolded orientation, with the fabric assuming the unfolded orientation of its associated frame member.

Abstract: A deployable flexible walled enclosure for housing people in the event of a serious air quality degradation is provided. A pressurized enclosure, either stored in a permanent location or transportable to a selected site, includes an air supply system for filtering and subsequently supplying clean air to the interior of the enclosure. The structure is compactly packaged when not in use and is capable of being deployable and/or activated from a remote control station in time of need. A small cache of life support elements are stored in the predeployed enclosure for use as needed upon deployment.

Abstract: A collapsible play structure comprises one or more play modules connected together, each play module comprising at least three foldable frame members, each having a folded and an unfolded orientation. A fabric material substantially covers each frame member to form a side panel for each frame member when the frame member is in the unfolded orientation. Each side panel further comprises at least three sides. The left side of each side panel is connected and hinged to the right side of an adjacent side panel, and the right side of each side panel is connected and hinged to the left side of another adjacent side panel. The bottom side of each side panel is adapted to rest on a supporting surface to support the play module.

Abstract: A portable tent is disclosed having an outer sidewall supported by a pair of flexible, plastic support poles. A double cushioned floor aligns the bottom of the tent, and is permanently seamed around the perimeter of the tent. An integral, inflatable air mattress is formed between the cushioned floor and a mattress upper surface, defining an air-tight, internal volume. On the exterior of the tent is at least one inflation valve.

Abstract: A tent structure capable of being configured into a variety of distinct shapes for different recreational purposes is disclosed. The tent structure may be comprised of a plurality of stringers pivotally interconnected to form geometric subsegments and a shaped skin attachable to the stringers, or may be constructed from a plurality of geometric-shaped plates flexibly interconnected to each other.

Abstract: A cover supporting shelter structure comprising front and rear sections arranged in back-to-back contraposition each side of a common central junction of which the respective left and right sides of each section comprise identical component parts. In one embodiment the front and rear sections are identical mirror images of each other each side of the common junction and in another embodiment, the respective front and rear sides are pivotally interconnected by rotatable arms on each side for movement of the front section between extended and rear positions relative to the rear section.

Abstract: A rain fly for use primarily on self-erecting enclosures which enclosures have sleeves for accommodating a wire or monofilament is disclosed. More specifically, this fly is characterized by a pair of monofilaments on the two sides of the fly which go from the front to the rear of the enclosure. The wires are secured interiorly of elongate sleeves at the lateral edges of the rain flap. The wires are proportioned to have their ends inserted into four sleeves flanking the internal wire of the tent. Means are provided for four stabilizers which extend front and rear and side to side. The function of the stabilizer is to assist in holding the fabric in spaced relationship from the enclosure to thereby permit ventilation. Optionally, a zipper-like opening is provided for a door cover, and a Velcro flap for securing one portion of the flap door cover for easy entrance.

Abstract: Temporary emergency structures comprising inflatable frameworks formed of ultra-high temperature resistant fabric tubing which may insulate the protected person or equipment from the ground and which serves to support a cover formed of ultra-high temperature resistant fabric cloth.

Abstract: A portable collapsible shelter comprises a floor, pairs of corner posts, a horizontal brace extending between and pivotally attached to the corner posts of each pair, and built-in seats. The floor, corner posts, braces, and seats are foldable between respective erected and collapsed modes. In the collapsed mode, each corner post is folded into a stack, with the stacks of each pair thereof being coplanar. The associated brace is initially at the top of the stacks of folded corner posts. The brace folds into a stack located coplanar with and between the stacks of the associated corner posts when the floor is folded to its collapsed mode. The seats fold with the corner posts and lie on the floor when the corner posts are folded to their collapsed mode. Locking devices selectively prevent and enable folding of the floor, corner posts, and braces.

Abstract: A tunnel play structure for a child's amusement comprised of at least one collapsible tunnel element made from flexible material surrounding a plurality of rigid framing supports. Each tunnel element is elongated having a closable entrance at either end. At least one closeable entrance is also disposed along the sides of the tunnel element in between the framing supports. The tunnel elements can be selectively joined together so that an entrance on one tunnel element aligns with an entrance on a second tunnel element. This enables a plurality of tunnel elements to be joined to create a continuous enclosure in a wide variety of configurations. Each tunnel element can also be collapsed in an accordion-like manner, thereby allowing the tunnel structures to be easily stored when not in use.

Abstract: A free-standing outdoor enclosure is disclosed. The enclosure includes a frame having a lower section that engages the ground, a side section mounted to and extending upwardly from the lower section and a roof section attached to the side section. The side section includes a plurality of elongate support segments that are arranged about the periphery of the enclosure. The roof section has a like plurality of elongate, flexible support elements interconnected in a radial arrangement. A distal end of each support element is attached to an upper end of respective support segment such that the flexible support elements are flexed into an upwardly arched condition. A flexible skin is mounted to the frame and extends across the side section and the roof section to hold the flexible support elements in the arched condition and define an enclosed space.

Abstract: An underground shelter for the protection of at least one person, comprising two substantially identical rigid panels which may be assembled together into a tunnel configuration and disassembled by distinct mechanical means arranged so as to permit a joined interfitting of both top parts of both panels, respectively, and a rigid connection between the bottom parts of the latter so that the buried panel may withstand side or transverse forces applied to the panel and resulting from the thrust exerted by the earth layer covering the tunnel.

Abstract: A tent having a ceiling comprised of a fixed permanent piece of clear flexible plastic material, The tent has a veil which shields or unshields the ceiling of the tent, the veil which when attached to the ceiling protects the interior from excessive heat, direct sunlight or an unencumbered view, or when removed permits an excellent celestial view, The veil functions from within the tents' interior structure. The veil spreads only across the interior surface Of the ceiling of the tent, connecting the outer peripheral edges of the veil to the interior edges of the ceiling, with VELCRO as a means of fastening. This benefit of being able to unshield, or shield the ceiling of the tent from within the interior of the tent structure gives great conveniences, such as privacy, comfort, security, and safety from inclement weather conditions and neighbors.

Abstract: A drive under new automotive hail protection roof hip-and-valley cable-tension type canopy is formed by a rectangular grid pattern of rigid post assemblies joined at their upper ends by longitudinally, transversely and diagonally extending cables forming a coextensive fabric roof support.

Abstract: A multi-season, reversible tent adapted to accommodate prevailing solar conditions. Selected walls are constructed to include insulated liners and solar reflective and absorptive surfaces which cooperate with a longitudinal access opening. The walls assemble to an irregular triangular shape and can be reversed to optimally collect and reflect solar and thermal radiation in relation to one or more occupants and the prevailing conditions. Zippered reliefs at the door control the solar exposure of the wall surfaces and facilitate entry and egress. Multi-section, shock corded, end support frames are permanently contained at hemmed edges of the end walls. Adjoining pole ends are hinged to one another and longitudinal poles extend between eyelets at the hinge joints. Removeable cover, screen and window panels are supported to the door periphery. Rotating vents with overlapping apertures control interior temperature.

Abstract: The invention is a pre-fabricated boat lift canopy constructed of galvanized steel or aluminum tubing. All joints are crimped to a tight, permanent fit by using a special rolling tool. The canopy frame is mounted on "I" beams of existing boat lifts, docks, or pilings. The canopy frame is then covered with a water tight and sunlight resistant decorative canopy. Wind spoilers, in the form of canvas strips, are fastened to the peak of the canopy, a continuous strip, horizontally across the top, a strip at each end, and a third strip at the center.

Abstract: A self-inflating tent comprising a mattress formed of a sheet in a planar configuration; a raised shaped tent having a lower peripheral edge secured to the mattress adjacent to its periphery but inboard thereof to provide a flange at the outer most periphery to constitute a ground rim; the material of the tent and mattress being fabricated of an open cell polyurethane, each with an exterior and interior liner of an air impervious flexible plastic; a first valve coupled to the tent to allow the flow of air into the tent material and to allow exiting of air therefrom when the tent material is compressed when the valve is opened; and a second valve coupled to the mattress to allow the flow of air into the mattress material and to allow exiting of air therefrom when the mattress material is compressed and the valve is opened.

Abstract: A lightweight fabric structure is provided with a fabric membrane having a pocket type configuration formed along the center seam of the membrane with a T-shaped center pole positioned in the pocket. The lightweight fabric structure may have one or more pockets and corresponding T-shaped center poles. The pavilion type tent structure includes at least four side poles staked about the periphery of the structure with a flexible fabric membrane in tension between the side poles. The shape and configuration of the panels provide tension distribution over the entire fabric structure. The longitudinal center seam of the fabric membrane carries the maximum force. The T-shaped center poles with pocket configuration facilitates the redistribution of the forces from the point where multiple panels of the membrane converge at a single location.

Abstract: A portable marine shelter that includes a frame assembly having two lower spaced apart longitudinally extending members, or float bars, and a flexible cover that fits over the frame assembly to provide an enclosure to store a boat and the like. A floatation system includes numerous sphere-shaped floats that are rotatably attached to the lower frame members, the floats are also free to move longitudinally along predetermined sections of the lower frame members. The floats are substantially equally distributed between the two lower members and along each individual member. The loosely attached floats enables the shelter to accommodate wave and wind generated motion without unduly stressing the frame assembly of the boat sheltered therein. The entire shelter is loosely attached to a dock and loosely anchored to the bottom of the lake, etc. to provide a structure that securely protects a boat yet is capable of being moved easily to different locations.

Abstract: A tent system interconnects any number of stand-alone tents (12) to form a tent network (10). The tents (12) are interconnected through connection modules (14). The tents (12) include at least two and preferably three openings (30) which serve as doorways. Various fasteners attach to the tents (12) near each opening (30). One fastener (54) removably couples to a complimentary fastener (34, 36) on the connection module. Another fastener (72) mates with a complimentary fastener (74) on a door panel (76), and yet another fastener (78) mates with a complimentary fastener (80) on a screen panel (82). The openings (30) are formed in tent panels (26) that slope downward and outward from the top of the tent (12). The connection modules (14) have flexible sheet material (32) sides (38, 40) with ends configured with a downward and inward slope that allows them to mate with the tent panels (26).

Abstract: The invention relates to a semipermanent shelter for airplanes comprising a plurality of vertical wall tubes, each having an upper end and a lower end removably securable to the ground; a plurality of roof tubes each having an interior end and an exterior end, located adjacent to the upper end of an associated wall tube at a juncture; a central bracket coupling the interior ends of the roof tubes at a central, upper portion of the shelter; a plurality of central tubes in a generally horizontal configuration coupling each juncture with its next adjacent junction except across an opening of the shelter; an arch tube coupling adjacent junctures at the opening of the shelter and constituting the upper extent of such opening; a plurality of side brackets, each coupling a wall tube and its associated roof tube with the central tubes and the arch tube; and sheet material coupled to the roof tubes, central tubes and arch tube for sheltering an airplane therebeneath.

Abstract: The present invention is directed to a portable mirrored camouflage blind that incorporates a plurality of two-way mirrored panels positioned relative to each other side by side along a longitudinal edge, and flexible hinge means for flexibly connecting each of the plurality of two-way mirrored panels with an adjacent two-way mirrored panel whereby the plurality of two-way mirrored panels with the flexible hinge means form an accordion-like structure. Each of the plurality of two-way mirrored panels is optically constructed to produce undistorted reflections of objects located at near and far distances on an outer side of the plurality of two-way mirrored panels.

Abstract: A tent for screening the sunlight. The tent comprises a main sheet for screening the downwardly radiating sunlight, a plurality of front and rear tent poles for causing the main sheet to maintain its suspended shape, a plurality of ropes for being stretched to impart a tensile force to the main sheet, a pole support for supporting the tent poles as well as dispersing the vertical force generated in the poles and a detachable side sheet for intercepting the side radiating sunlight. The pole support comprises a base and a pair of pole support pipes which receive lower ends of the pipes. The base is embossed at its under surface with a raised figure to improve the frictional force between said pole support and the ground surface. The pole support pipes concentrate in the center of the base to have a V shape in cooperation with each other.

Abstract: A modified folding tent is provided. The tent comprises a plurality of main supporters and supporting structures, and a topmost supporter, to form a frame which is covered by an awning. Each main supporter has an inner supporter and a slide. Each supporting structure is provided with a pair of U-shaped covers to provide a sturdy connection. The awning and main supporters are coupled together by studs passing through holes in the awning and wing nuts tightened on the studs. The topmost supporter has a resilient inner supporter, to make the awning look smooth and good-looking. The modified structure ensures high strength of the tent and proper stability thereof, when it is opened.

Abstract: A portable building system of variable size (20) consisting of a series of individually collapsing web beam frames (22) which serve simultaneously as a support structure for the exterior covering material (30) and as a support structure for a highly adaptable interior furnishing system. Individual web beam frames (22) are comprised of multiple segments including vertically oriented outer segments (32) which have a width measured horizontally in the plane of their span sufficient to support furnishing components 26 substantially within an area directly between a pair of consecutive outer frame segments 32 in a strong and convenient manner. Additional overhead segments (34) are joined to each other and to outer segments (32) with corresponding mortise (36) and tenon (38) like surfaces for a fast and positive assembly. Purlins (24) attach to the frames, joining them in sequence.

Abstract: A clean environment enclosure assembly (10) prevents contaminants from reaching unfinished products during the manufacturing process. The clean environment enclosure assembly (10) includes a plurality of frames (16) which are secured to each other using various shaped brackets (60, 62, 64) to form a structural frame. Sheets of plastic (22) extend across each of the plurality of frames (16) to complete the housing (14). The sheets of plastic (22) are secured to side members (18) of the frames (16) by elongated caps (24) which run the length of the side members (18). The caps (24) have two arms (30, 32) which engage the two substantially parallel side walls (42) of the side members (18) wherein detents (38,40) of the two arms (30, 32) engage indents (44, 46) of the parallel side walls (42) preventing the cap (24) from freely disengaging the side member (18). The sheets of plastic (22) are sandwiched between the cap (24) and the side members (18).

Abstract: A tent system having at least three tents, with each tent being free standing. Each of the tents is arranged about the perimeter of a common area, and, in a most preferred embodiment, each tent is arranged in a substantially uniform manner about the perimeter of the common area. Each of the tents has a front and rear wall and side walls with the front wall provided with a horizontally disposed eave line. Each of the tents is provided with an awning like structure which is secured to the front wall of each tent along the horizontally disposed eave line and which extends outwardly over the common area to form a section of a roof assembly, with the roof assembly covering a substantial portion of the common area. Each roof section is releasably secured to its adjacent roof section and this may be accomplished by means of a zipper, "Velcro" fastening tape or, snap fasteners and the like.

Abstract: An apparatus for protecting an infant in a forwardly facing infant's seat in a vehicle from direct exposure to sun rays, comprising a generally horizontally forwardly extending frame having multiple sections, with pivot structure connecting adjacent sections, so that the sections extend above the infant's seat; a foldable canopy carried by the frame to extend protectively above the seat, and to be folded as the frame sections are relatively pivoted; and support structure connected with the frame and extending generally downwardly to in turn be supported rearwardly of the infant's seat.

Abstract: A motorcar sun-shade comprising a covering supported on the body of a motorcar by two opposite supporting frames, the covering comprised of a main panel covering over the top of the body of said motor car and two side panels attached to said main panel at two opposite sides by hook and loop bands for covering the two opposite sides of the body of said motorcar, the supporting frames each comprising two parallel extension rods attached to said main panel and secured to the body of said motorcar by suction discs, the parallel extension rods being collapsibly connected together by two link assemblies, the link assemblies each comprising and angle connector attached to either side of said motorcar by a suction disc and two connecting rods connected to said parallel extension rods by hinges.

Abstract: A portable pavilion which is easy to assemble, break down and transport is disclosed. The portable pavilion comprises a framework and coverings. The framework is assembled from a multiplicity of each of a series of five basic standardized relatively compact elements and can be covered with canvas, clear material or screen etc. Attached serving tables and the like can also be provided. A number of portable pavilions can be assembled in close proximity to one another with open sides thereof interconnected to form a larger structure. Assembly of a portable pavilion can be facilitated by use of a removable telescoping center pole.

Abstract: A barrier panel for enclosures and shield with a self-supporting framework of rigid tubes encompassing at least one through opening. The opening is enclosed by a cover sheet of flexible plastic film releasably secured to the framework by snap-on clips and a complementary retainer attached to a side face of the framework.

Abstract: A shelter is formed of readily portable components. Wall members are attached by ear-like projections extending from edges thereof which penetrate slots formed in adjacent wall members. Perforations in the projections accept tapered pegs for securing wall members together. Elongated furniture members, including bed support beams and shelf and table members, extend between and provide structural support to opposing walls by projections extending from their ends which penetrate slots formed in the walls and which are secured in place by tapered pegs. The tapered pegs include a flattened side at their tapered ends which facilitates insertion and maintains the head of the peg away from the wall members.

Abstract: A sun shield assembly composed of a canopy of pliable material which can withstand the environment of a beach, which canopy is generally rectangular in shape and which is spanned by spaced, laterally extending battens preferably received in pockets in the canopy, while the canopy is supported by at least one cross support beam, which beam includes spaced downwardly extending supporting legs; at each of the corners of the canopy, a grommet is provided from which extends a tether with a peg on the end of each to connect the tethers to the earth; the tethers are adjustable to respond to variations in wind velocity, commonly encountered at a beach.

Abstract: A portable beach cache having a plurality of fabric panels and rigid support members arranged in a picture frame configuration for sheltering the user from wind and wind-blown debris, such as sand. Fold-out feet provide support in soft sand. A handle is provided to simplify carrying and a hook and loop strap secures the portable beach cache in its stowably disposed position. The portable beach cache is compact when folded and light enough to be easily carried by hand. A second embodiment is disclosed wherein the portable beach cache has a single screen panel and a plurality of rigid vertical support members and elongate rods. The screen is attached between two of the vertical support members in the fashion of a tennis net. The vertical support members have pointed ends which are driven into the ground. The elongate rods are then attached to the vertical members to provide strength and to stretch the screen panel taut.

Abstract: A tent with a tarpaulin comprising a plurality of lengths of fabric and a set of tent poles stretching out the tarpaulin and comprising a plurality of tent poles that can be fitted together, the tent poles forming two tension frames, namely a floor frame and a roof frame, which on the one hand stretch out the lengths of fabric of the tarpaulin and on the other are supported against one another in a statically defined manner by means of lengths of fabric and/or ropes. The floor frame stretches out a flat hollow body serving as the tent floor, while the roof frame stretches out the roof and wall region of the tent tarpaulin, this region being joined to the tent floor.

Abstract: A foldable dome which comprises a set of bowed supports made up of a driving bowed support, an end bowed support and intermediate bowed supports, said bowed supports ending into levers projecting out of the planes thereof. These bows are supported, on each side of the dome, on bowed supports provided at the top with the pivot mechanism each of which comprises an axle, transverse said bowed supports, over which said levers on one side of said bowed supports are mounted so as to allow rocking of said bowed supports between a folded position, on one side of said axle, and an unfoldable position wherein said bowed supports are supported around said axle in the form of a dome. The axle dividing said levers of said divides and end bowed supports each into a driven section, on the bowed support side and a driving section on the side away from the bowed supports.

Abstract: A modular tent structure comprises a canopy structure (20) including a peripheral frame (23) adapted to support a covering roof sheet (24) and comprising collapsible sides, each constituted by a central crown joint structure to each side of which is pivoted a laterally extending support member (34), and a tie member releasably interconnecting the crown joint structure and the pivotally-connected laterally-extending support members (34). An axially-extendible mast structure is disposed centrally of the peripheral frame and is adjustable to vary tension in the covering roof sheet (24). Bracing means releasably interconnect the central mast structure and each central crown joint of the peripheral frame (23).

Abstract: A jointing device for tents, covers etc., comprises two overlapping flaps interconnected by a series of yokes. The yokes are attached in spaced-apart relationship to one flap and pushed through corresponding through holes in the other flap. A rope-like member is passed through the yoke portions sticking out of the holes, thereby to hold said flaps together. According to the invention, an inflatable tube-shaped element having through holes is passed over the yokes and positioned between the rope-like member and the overlapping flap portions, or between said overlapping flap portions, and adapted, after inflation, to urge said rope-like member against the yokes to seal the joint between the flaps.

Abstract: A canopy shelter has a plurality of corner support forming legs that may be positioned on a support surface. Scissor assemblies interconnect adjacent ones of the corner supports and are each pivotally connected at one portion to the top ends of the respective corner supports and are each pivotally connected at another portion to slide brackets slideably mounted on each of the respective corner supports. Roof support members are pivotally connected to a respective slide bracket on a corner support. Thus, the framework may be collapsed in a stored state yet expanded to an expanded state by spreading the corner members apart from one another. This automatically raises the apex which may also include a center post structure. Latches are provided to retain the slide brackets in position to hold the framework in the expanded state.

Abstract: Portable cover for vehicle has foldable frame with weather resistant flexible sheet. A ground-rail on each side of the vehicle includes support bars redoubtably mounted on the ground-rail, the bars supporting the weather resistant sheet and being connected over the top of the vehicle. The redoubtably mounted bars are arranged in pairs so that they can be folded over the vehicle, or folded down to the ground beyond the ground rails. For larger vehicles, each ground-rails includes a track, and the support bars are mounted for sliding along a portion of the length of the relatively parallel tracks. Flanges mounted on support bars at the ends of the ground-rails receive wheels of the vehicle for anchoring down the portable cover and for fastening down an end of the frame when it is closed over the vehicle.

Abstract: A portable isolation enclosure includes an open-bottomed enclosure having walls and a top portion constructed from a lightweight structural frame material with a lightweight fabric stretched thereacross to form a sealed enclosure. Windows of a transparent plastic material are mounted in the wall for viewing outside the enclosure. The lightweight materials of the enclosure allow one or more workers to lift the enclosure off of the ground and transport it from one contaminated area to another. An air filtration unit is pneumatically connected to the enclosure to impart a negative pressure within the enclosure, and to remove asbestos particles from air exhausted from the structure. A selectively closable door is provided in one wall which will permit a person to enter or exit the enclosure, and is designed to allow air to enter the enclosure, under the influence of the negative pressure.

Abstract: A framework module for a modular building structure has a plurality of elongate frame members (10, 11, 12, 13) assembled to form two inverted V-frames oppositely inclined to the vertical, the two frames defining respective faces of first and second imaginary pyramids (19, 20). When two such modules are assembled together, one of the inverted V-frames of the second module defines an adjoining face of either the first or second pyramid defined by the first module.