Abstract: A free access floor comprising a plurlaity of units juxtaposed to both traversing and vertical direction, each unit comprising two right-angled triangular plates and first, second and third rectangular covers. Two triangular plates are so arranged to constitute a rectangle by facing their hypotenuses to each other. Two other side of each triangular plate have steps. Each triangular plate has three legs at its corners. The first, second and third rectangular covers are rested on the steps of the triangular plates. The triangular plate can be formed as a right-angled isosceles triangle, the first and the second rectangular covers can be formed as identical, and the third rectangular cover can be formed as a square. Each unit can be so arranged that the hypotenuses of the triangular plates of the adjacent unit are mirror symmetrical to each other. All legs gathering to the corners of each third rectangular cover can be grasped by each retainer.

Abstract: A structural element (10) which can be used to modify the loading characteristics of a gantry module (18). The element (10) is securable between legs (22) so that for a standardized roof assembly (19) the gantry module (24) constructed using the structural element can span a greater distance with comparable loading characteristics with modules (18) which have a greater number of supporting legs. The structural element (10) has particular application is modifying a standard gantry module (18) into a vehicle access module (24) without compromising loading characteristics.

Abstract: A basic joint member and a plurality of application joint members are formed so that a side plate portion or end plate portion is fitted to the end face of a construction member constituting a post, a beam or the like and a coupling plate portion extending from the side plate portion or end plate portion orthogonally to the side plate portion or end plate portion is fitted in a groove formed in the end face of the construction member or is gripped between construction members including two parallel members, and the connecting plate portion is clamped by a clamping member. The basic member containing a longitudinal construction member is combined with and connected to at least one application joint member for a lateral construction member, a lateral construction member orthogonal to the first-mentioned lateral construction member and an oblique construction member to construct a joint apparatus for construction members.

Abstract: In an access floor construction, service outlets (7), such as electrical sockets, are connected to a service supply accommodated in the underfloor space (5) by leads (9) extending through openings (8) in the edges of some of the removable panels which form the access floor. The removable panels with such openings can be interchanged with other panels and oriented so as to locate an opening (8) in a position close to a service outlet so as to permit the lead from the outlet to pass conveniently into the underfloor space (5) for connection to the service supply.

Abstract: A concrete filled steel tube column. The concrete filled steel tube column includes a steel tube having an inner face; a concrete core disposed within the steel tube; and a separating layer interposed between the inner face of the steel tube and the concrete core for separating the concrete core from the inner face of the steel tube so that the steel tube may not be bonded to the concrete core. After the separating layer is formed on the inner face of the steel tube, the concrete is charged into the steel tube to form a concrete core.

Abstract: The present invention is a device for supporting floor panels in which when the floor panels are clamped by a single-operation type panel retainer, a retaining member of a vertically swingable panel retainer support on a stud bolt is urged downwardly by the resilient force of a compression spring washer interposed between the upper surface of the retainer member and the lower surface of the head portion of the stud bolt for tightly securing the floor panels to the panel pedestal.The present invention further provides a structure for supporting floor panels in which a supporting post is swingably raised on the pedestal base plate, side walls of corners of the floor panels placed on the panel pedestal being matchingly engaged with a guide wall of the panel pedestal support and mating projections of said panel pedestal being closely fitted into mating holes formed by embedding resin holders in said floor panels, whereby the floor panels are tightly secured by a panel retainer to the panel pedester.

Abstract: It is known to lay out the floorboards of raised floors on grid girders, which are attached to the cover plates of legs of the raised floor. The grid girders are either inserted into suitable recesses in the cover plates where they may be made secure in these recesses by means of tongues which engage in boreholes in the cover plates, or else under more stringent specifications they are screwed into the reinforcement of the raised floor with the cover plates. Until this time, for the two variations of assembly, two different types of girders have also been produced. Both variations of assembly can be attained by use of the grid girder according to the present invention. For this purpose, the side walls of the grid girder are provided with beveled ends in such a manner that the grid girder, when viewed from the side, has the shape of a parallelogram. At the ends of both of the other walls of the grid girder are provided in turn tongues or oblong apertures for the passage of fastening screws.

Abstract: A floor distribution slab comprises a base (1) and a plane lid. The base (1) is constituted by a base plate (11) having spacers (12, 13) upstanding thereon, together with the sides (16) of a connection housing (17). The spacers and advantageously the sides (16) of the housing (17) support the lid and keep it at a distance from the base plate (11). The sides of the housing (17) include at least one opening for passing cables. The housing (17) is provided to receive a fixing block (22) for connection (electricity outlets, telephone sockets, computer connectors, etc.). The lid of a slab fitted with a block (22) includes an opening for uncovering the block. A slab in accordance with the invention can be used for disposing connection scheme in any location in a given area. It also enables the connection to be displaced without difficulty. Further, it is cheap to manufacture and easy to lay.

Abstract: In the floor tile for double floor installations, the tile core has a floor covering on its top side, a metal plate on its underside and a lipping on its peripheral edge. The peripheral edge is here provided with a groove (9) which is to receive hot-melt adhesive (3), and the metal plate (8) has an upward edge (4) which grips around the peripheral edge, reaches up to the lower rim of the groove (9) and is flush with a first lipping (7). A second lipping (2), which covers the groove (9) and a part of the upward edge (4) of the metal plate (8), is located on top of the first lipping (7).

Abstract: An elevated floor has two separate types of floor panels arranged in alternating order on adjustable support legs. Base floor panels and access floor panels are formed from squares of low density oriented strand material having extruded metal cladding strips along the peripheral edges of the squares. The base floor panels include edge cladding strips having a support flange extending outwardly from the base panel peripheral edge. The access panels include a different type of cladding strip designed to seat on the support flange of the base panel cladding strip. Detachable riser beams are provided for assembly of multilevel stepped raised floors.

Abstract: An elevated floor has two separate types of floor panels arranged in alternating order on adjustable support legs. Base floor panels and access floor panels are formed from squares of low density oriented strand material having extruded metal cladding strips along the peripheral edges of the squares. The base floor panels include edge cladding strips having a support flange extending outwardly from the base panel peripheral edge. The access panels include a different type of cladding strip designed to seat on the support flange of the base panel cladding strip. Detachable riser beams are provided for assembly of multilevel stepped raised floors.

Abstract: A building system which utilizes flooring supported by adjustable posts and individual beams extending between the posts which may be temporarily supported in excavations to enable the floor to be erected, and then adjusted for level. The excavations are subsequently filled with concrete to form footings. The posts may extend upwardly beyond the floor beams to form wall supports.

Abstract: The present invention relates to an improved deck device which is elevated with respect to associated structure. The device includes an elevated platform having sidewalls angled with respect to the horizontal. The sidewalls may be covered with a reflective covering designed to reflect the sun's rays in the direction of the center of the deck to facilitate tanning of individuals seated or lying thereon.

Abstract: The present invention relates to a double flooring structure which may be used to constitute the floor of a computer room or the like in a building. The double flooring structure has excellent constructibility, high earthquake resistance, a wide underfloor space and excellent resistant to deformation under load. The double flooring structure of the present invention comprises bases secured to a floor surface, columnar leg members pivotally standing on the bases, respectively, stringers each stretched between a pair of adjacent columnar leg members, floor panels supported on the stringers, and fastening means for securing the floor panels to the columnar leg members. The pivot point of each columnar leg member is disposed near the floor surface. When the floor panels are secured to the columnar leg members by the fastening means, the columnar leg members, the stringers and the floor panels constitute in combination one rigid body.

Abstract: A modular access flooring system (10) has triangular floor panels (11) supported at the corners by free-standing pedestals (12) which are laid on a base floor. Hemispherical projections (18) on the panels (11) engage in recesses (19) in the pedestals (12) to lock the panels (11) and pedestals (12) together during installation of the system (10), the panels (11) and pedestals (12) determine where the others are to be positioned, obviating the requirement for the pedestals (12) being laid in predetermined patterns. As the panels (11) and pedestals (12) are all supported at three points, the flooring system (10) is very stable and can accommodate any movement in the base floor.

Abstract: This invention relates to a pre-cast, prestressed hollow core beam unit for use in a two-way building system and is adapted to be supported in continuous spanning relationship on two or more building supports. The beam unit has floor panel supports along opposite edges thereof, and comprises an elongate, continuous body of pre-cast, prestressed concrete having a plurality of hollow cores extending longitudinally throughout its length, with the hollow cores being selectively openable through the top surface of the beam unit to vary the design characteristics of the beam unit. In use, at least one of the hollow cores is opened through the top surface of the beam unit along at least a portion of its length, preferably at a point of high stress where the beam rests on a support, for example.

Abstract: A flooring system and a module for a flooring system made of a series of floor support modules each of which has a number of props in a grid matrix and joined together by an integral frame. Attachment means is provided to join the units to adjacent units and clamping plates are used to provide a positive location of a floor panel on the module. Services such as electricity, telephone and computer cables may be laid in the cavities or voids under the floor panel.

Abstract: Disclosed is a unitary, injection-molded raised flooring panel adapted for use in a raised flooring assembly. The raised flooring assembly includes a grid of flooring panel support stringers onto which the flooring panel is supported. The unitary, injection-molded raised flooring panel includes a continuous flooring wall the upper surface of which is the flooring surface of a panel and a plurality of depending, mutually intersecting reinforcing ribs formed integrally with the flooring wall of the panel. In the preferred embodiment, the flooring panel is made of a thermoplastic material, a thermosetting plastic material or a synthetic polymeric resin material. Thus, the disclosed flooring panel may be completely fabricated in a single manufacturing operation.

Abstract: A raised access floor construction comprises floor panels supported above a subfloor on spaced pedestal blocks upstanding from the subfloor. The pedestal blocks are maintained in predetermined positions by a base layer of thin sheeting material laid on the subfloor and having an array of pedestal block locating means formed on its upper surface in the predetermined positions and with which the pedestal blocks are engaged.

Abstract: Improved system ensuring the support and securing of long support beams of wood core plywood or composite materials (1A, 1B . . . ) on metal support posts (2B . . . ), characterized by the fact that each post is provided with at least one scaffolding strut (3B.sub.1, 3B.sub.2 . . . ) articulated at its lower end on a hinge pin (5.sub.1, 5.sub.2 . . . ), integral with the adjoining post, the upper end being provided with a receiving angle (6.sub.1, 6.sub.2 . . . ) which bears a corner piece (7.sub.1, 7.sub.2), integral with the end of a long supporting beam (1A, 1B . . . ) by means of contact pieces (8.sub.1, 8.sub.2 . . . ) fitted to said corner piece; the vertical reaction of the weight of the beam R.sub.v is thereby transferred, by the application of load to the scaffolding R.sub.p, to the axis of the integral strut (3 B.sub.1, 3B.sub.2), said load creating a horizontal load of longitudinal stress R.sub.H in the adjoining long supporting beam.

Abstract: A structural connection for staging panels and the like in which an open-ended socket receives at one end a projection of a structural element such as a leg. The projection has detent projections to be received in a groove in the socket. A locking element is movable into the other end of the socket to engage the detent projections and retain them in the receiving groove until the locking element is retracted.

Abstract: A supported floor of a grain storage and/or drying bin is disclosed that is constructed in part of conventional progressively interlocking asymmetrical floor panels and in part of either a single hat-shaped symmetrical panel, a single C-shaped symmetrical panel or a combination of these latter panels. Methods of assembling such floors are also disclosed including methods of assembly from the transverse center line of the base of the bin with the use of a centrally located hat-shaped panel or a C-shaped between two hat-shaped panels. C-shaped panels are included whenever access to the plenum is desired. In all such assemblies, asymmetrical conventional panels are used.

Abstract: A self-gridding flooring system and method for installing the same in which various disclosed embodiments of gridding members are used for contacting and spacing the panels from one another as they are installed, thereby eliminating the necessity of measuring and establishing a gridding in advance of the installation of the panels. The method and apparatus provides a way of assuring that the installed panels are sufficiently spaced apart that any one or more of the panels may be removed and replaced by any geometrically similar replacement panel or panels having the same nominal dimensions and the same tolerance ranges without interference between the replacement panels and the previously-installed panels contiguous thereto. The invention is suitable for use with panels having legs and panels not having legs, and further is suitable for panels having any overall configuration, including rectangular panels and triangular panels.

Abstract: A shallow pan, preferably of tin-coated sheet steel, serves for the production of a self-supporting composite plate, wherein the pan forms the outside wrapper for a filler with high compression resistance, e.g., anhydrite. The pan contains a plurality of punches which provide anchoring with the filler material. To increase the bearing strength of the composite plate, the pan bottom is made up of four intersecting, shallow, bulged-out zones. These zones engage in the middle on a smooth, plate-like elevation and extend each in turn from deep areas along the intersecting symmetry axes of the pan toward the highest areas at each pan corner. The density of the punches in the pan bottom preferably increases from the inside toward the outside.

Abstract: The disclosure concerns a square die-cast elevated floor plate having a top continuous or perforated panel reinforced underneath by a polygonal tessellation grid of ribs. All of the ribs of the grid, including their integral ejector pin bosses, and, if desired, the peripheral ribs or border flange, are of the same depth; however, concentric rows of polygons in the tessellation pattern have their ribs gradually increasing in thickness from the border flange to the center of the plate. The polygons in the pattern may comprise squares and octagons in which alternate sides of the octagons have a ratio of one to the square-root-of-two, and the sides of the squares correspond to the sides having the square-root-of-two length. The continuous or perforated top panel may be formed integrally or adhered to the tessellation rib pattern. The rib pattern with its integral ejector pin bosses is preferably symmetrical for at least 180.degree. rotation of its die.

Abstract: A modular deck construction characterized by having one or more prefabricated floor panels with prefabricated stair parts, i.e., treads and side runners, together with prefabricated banisters and side railing members. The deck frame and other parts are pre-drilled as necessary to provide a fail-safe arrangement for mounting the stairs, banisters, and side rails with the floor panel such that the stair may be positioned on either side or either end of the floor deck. The modular system facilitates assembling a deck of any number of the prefabricated floor panels. The invention also includes connecting means for joining interior corners of adjacent floor panels and supporting them in an elevated position above ground level.

Abstract: A platform system, in particular for providing staging, which consists of a number of platform units each of which comprises a flat platform having on the underside thereof hollow posts of square cross-section for receiving tubular legs of circular cross-section for supporting the platform. The legs of the respective platform units may be different heights to give a variable height system. Also the legs may be suitably bent to provide a raked platform.

Abstract: A portable platform is formed of a plurality of elongated floor support members interconnected longitudinally and spaced apart laterally, the support members having a plurality of longitudinally spaced cross members, the confronting cross members being secured in alignment by interengaging coupling members and the laterally spaced floor support members being secured against lateral displacement by a plurality of elongated locking members interengaging adjacent pairs of support members. A plurality of elongated floor members are supported on the foregoing assembly and are secured together releasably along their longitudinal edges.

Abstract: In a flooring panel, plural blocks are held by a holding member of a flexible material so that one section is formed by at least one block with a space for laying a cable defined between adjacent sections. A cover member overlying these spaces is arranged to present a surface continuous with the upper surface of the blocks to form a flat, top surface of the flooring panel. The flooring panel is in the form of a rectangular modular flooring panel of at least one shape and size. A plurality of cable laying spaces in communication with one another are defined by laying a plurality of such modular flooring panels on a building floor as a function of the amount of cables to be laid. In such a manner, the operation of cable laying and construction of the flooring panels on the permanent building floor may be performed more efficiently while the interaction between the cables of different kinds is minimized.

Abstract: The disclosure concerns a square die-cast elevated floor plate having a top continuous or perforated panel reinforced underneath by a polygonal tessellation grid of ribs. All of the ribs of the grid, including their integral ejector pin bosses and border flange, are of the same depth; however, concentric rows of polygons in the tessellation pattern have their ribs gradually increasing in thickness from the border flange to the center of the plate. The polygons in the pattern may comprise squares and octagons in which alternate sides of the octagons have a ratio of one to the square-root-of-two, and the sides of the squares correspond to the sides having the square-root-of-two length. The continuous or perforated top panel may be formed integrally or adhered to the tessellation rib pattern. The rib pattern with its integral ejector pin bosses is preferably symmetrical for at least 180.degree. rotation of its die.

Abstract: A protective cap of inverted channel shape for placement on beams to protect same from moisture. A lengthwise extending recess in the cap upper surface receives a pliable sealant having a surface which is in pressurized contact with a beam supported structural member. A seal is thus provided about fasteners driven through the cap. Diverging side walls of the cap discharge moisture away from the beam sides.

Abstract: A free access type floor comprising a plurality of floor boards arranged on one and the same plane in a closely connected manner to form a secondary floor, engaging members provided at at least each corner of each of said floor boards, and support members provided with floor board-engaging means, which are adjustable in height, for detachably engaging with said adjacent engaging members of adjacent floor boards on one and the same plane to support said floor boards in a closely connected manner, and a method for installing the same.

Abstract: A portable hunting blind or stand adaptable to rest on a mobile or permanent platform, the blind having a cylindrical cross-section and external frame to avoid obstruction with a hunter's movement. The deer stand comprises a conical overhanging roof resting above a cylindrical wall. The wall has external framework and contains a plurality of radially spaced window apertures; an outside-facing window at each window aperture that is adapted to swing upwardly and outwardly; a connection to allow an inhabitant on the inside of the cylindrical wall to open the outside-facing window; a horizontal gun rest adjoining the inside of the cylindrical wall inside the portable building beneath the window aperture and, an inside-facing window at each of the window apertures adapted to swing upwardly and toward the interior of the cylindrical wall and a window latch adapted to hold the inside-facing window in a vertical position.

Abstract: A floor panel system for use in grain storage and drying bins is disclosed which uses modular perforated floor panels each of which is hemmed across the width of the panel at predetermined points along its length so that panels of various lengths can be provided readily by breaking standard panels along any appropriate selected hem. The hems also reinforce the panels. Each modular floor panel may have a complete hem at one end and a half hem or flange at the other end such that the panels can be readily aligned and interlocked end-to-end by inserting the half hem or flange of one panel into the full hem of a succeeding panel. A transverse clip may be used to hold together two abutted modular floor panels end-to-end and for reinforcing purposes where high floor loads are contemplated. Adjacent panels are abutted together along the sides and are held together by fitting the side lips into rails or support beams.

Abstract: A multi-tiered flooring arrangement, with each level of floor acting as a self-contained conduit. The system comprises a series of vertical support members and horizontal connectors arranged in generally rectangular shape onto which are placed removable flooring surfaces which act as separators for defining a plurality of separated plenum spaces for containing selected conductors and conduits.

Abstract: A floor panel for use in elevated floor assemblies, having a unique flexible edge construction including a relatively thin, flexible strip extending around the entire perimeter of the panel and projecting laterally outwardly from contiguous side and end faces of the panel. Plural panels supported on spaced pedestals are disposed in side-by-side relation with adjacent side and end faces spaced from each other but with adjacent flexible strips in edge-overlapped relation.

Abstract: A floor plate which is adapted to accommodate a filler material includes a base plate and a frame; a plurality of ribs extending parallel to one another and projecting from the plane of the base plate. The frame extends integrally from the base plate along a perimeter thereof and in the same direction as the ribs. A plurality of reinforcing rails extends parallel to one another and perpendicularly to the ribs; each rail is fastened to several ribs. A channel is formed along a free circumferential edge of the frame; the channel is open in a direction toward the plane of the base plate.

Abstract: A panel comprising a perimeter frame, a pair of skins spaced apart by the perimeter frame, and load distributing connecting members at the corners of the frame. The perimeter frame is formed from members having two oppositely directed channels so that when a pair of panels are positioned in a side by side relationship one channel of the perimeter frame of one panel will enter the other channel of the perimeter frame of the adjacent panel. The load distributing connecting members have a tongue to engage the inwardly facing channel of the perimeter frame. The invention also comprises a building having a floor, walls, ceiling, and roof wherein at least the walls are formed of panels according to the invention.

Abstract: A floor structure support system comprising a main floor which directly supports one or more computers and one or more additional floors disposed beneath the main floor. The additional floor or floors provide support and mechanical isolation for cables and other electrical conductors, and include sidewalls defining vertical passages to the main floor; one or more of the additional floors may be used as environmental control ducts, with or without sidewalls in addition to those forming the vertical passages. A modular system of support columns, brackets and floor and wall panels is disclosed.

Abstract: A modular deck structure comprises a plurality of rectangular flooring platforms; joists that intersect in criss-cross fashion to form a plurality of rectangular frames; and planks coupled to extend along the interior surface of at least two joists of each rectangular frame; each rectangular frame and the planks coupled thereto are dimensioned to enable at least one of the platforms to be seated within a corresponding frame and to be supported by the planks coupled thereto; wherein some of the joists have at least one end with a notch thereonwhich may be reinforced; and wherein pairs of joists are joined at respective intersection points thereof by positioning a notched end of a second criss-crossing joist on the plank along a first criss-crossing joist, the second joist being supported at one end by the plank of said first criss-crossing joist where the entire deck may be supported above ground by ground posts. The invention also relates to a method of constructing the deck.

Abstract: A composite access floor panel is disclosed which provides a sheet metal pan filled with a lightweight concrete material. The bottom wall of the pan is contoured so that the thickness of the concrete varies from one location to another. The illustrated panel provides a border of uniform maximum thickness and a central portion of reduced intermediate thickness. In addition, the panel produces concrete oval corner portions and circular side portions spaced in from the centers of the panel sides, both of which provide a uniform minimum thickness. The contours of the panel create a panel in which a substantially uniform amount of deflection results when the panel is supported at its corners and a given load is applied anywhere along the load surface thereof spaced from the panel corners. Shear ties are provided along the interface between the pan and the concrete to cause the pan and concrete to coact in supporting loads applied to such load surface.

Abstract: A grain bin floor is formed of floor plates supported on horizontal beams supported by vertical columns made of sheet metal with lower ends of the columns having bendable teeth or the like bent by high spots in the base that would otherwise concentrate the load onto a small portion of the column and cause its failure. The preferred floor uses wood beams and the columns. Preferably, the floor plates are fastened to the beams and the latter and bearing members are interlocked to the columns. An easy method of assemblying the columns, beams and bearing plates is disclosed.

Abstract: The specification discloses an access flooring panel having improved load-bearing strength and a relatively simple construction. The panel includes a generally planar metal pan and a concrete core cast thereon. The pan includes a plurality of tabs encapsulated within the concrete and bent upwardly from the pan and radially inwardly with respect to the panel. Consequently, radially outwardly directed horizontal shear forces exerted on the tabs by the core when loads are placed on the panel exert a pushing, rather than a pulling or tearing, force on the tabs. In a preferred embodiment, the pan includes an integral side wall and return flange extending about the core to protect the core and to strengthen the panel.

Abstract: A game blind comprises upper and lower sections which telescope relative to one another between an expanded hunting position and a collapsed storage position. The hunter's compartment is elevated above ground level by a plurality of legs received in brackets. The legs are free from significant cross bracing thereby minimizing the cost of the blind and enhancing the ease of assembly and erection.

Abstract: A supported floor for use in a grain storage and/or drying bin is disclosed that is constructed of interlocking perforated flooring or panels of two designs each with a plank portion and subjacent flanges which alternate with each other. The first panel design has flanges which are outwardly turned to form a hat-shaped transverse cross section. The second panel design has channels which are inwardly turned resulting in a C-shaped transverse cross section. To assemble the supported floor, the hat-shaped panels are rested on supports which are arranged on the base of the bin in a predetermined manner. These supported hat-shaped panels are positioned in spaced relation to one another so that a C-shaped panel can be fit between each adjacent pair of the hat-shaped panels. Thereafter, the C-shaped panels are positioned in the respective spaces and interlocked with the hat-shaped panels. To gain access to the bin floor, any of the C-shaped floor panels can be lifted without affecting the hat-shaped panels.

Abstract: A metallic floor panel having top, sides and ends with the sides being longer than or equal in length to the ends. The panel has a flat upper surface. End channels are attached to the upper surface at each end and side channels are attached to the upper surface at each side. The side channels extend further from the upper surface than the end channels. Major ribs, generally parallel to the ends of the panel extend the width of the panel. Minor ribs are arranged between the major ribs and between the major ribs and the end channels. The end channels have lower surfaces generally parallel to the top surface to enable mounting of the panel to a main beam of a building.

Abstract: An arrangement for use when casting concrete floors, particularly in locales having pillars, floor drains or the like. The arrangement includes straight concrete beams and sections of ring-like concrete beams which are intended to be incorporated in the resultant floor. The ring sections are arranged to coact in order to completely encircle a free-standing pillar or the like, or to partially encircle a pillar located adjacent a wall. The sections are provided with a lower support flange intended to support the ends of the straight beams. The height of the straight beams is so selected in relation to the height of the ring-like beams that when the straight beams rest on the aforementioned support flange, the upper surfaces of both kinds of beams are located in a common plane, on a level with the resultant floor surface, in order to be able to serve as support paths for concrete smoothing devices. The application also relates to a method for manufacturing beams intended for use with the arrangement.

Abstract: A system for interlocking the edges and corners of adjacent panels of a pedestal supported, elevated floor construction. Edge and corner clamp units are put in place after set-up of the panels. The edge clamp units include a lower elongated element which drops through a similarly shaped gap between adjacent panels and is then rotated 90.degree. out of alignment. A screw turned from the space above the floor draws the lower clamp element towards an upper clamp element to grip and interlock intervening edges of the adjacent panels. Adjacent corners of four panels are interlocked to a supporting pedestal by an overlying clamp plate. This corner clamp plate is releasably secured to the pedestal by an individual screw which is also tightened from the space above the floor.

Abstract: A floor structure support system comprising a main floor which directly supports one or more computers and one or more additional floors disposed beneath the main floor. The additional floor or floors provide support and mechanical isolation for cables and other electrical conductors, and include sidewalls defining vertical passages to the main floor; one or more of the additional floors may be used as environmental control ducts, with or without sidewalls in addition to those forming the vertical passages. A modular system of support columns, brackets and floor and wall panels is disclosed.

Abstract: A supported floor for use in a grain storage and/or drying bin is disclosed that is constructed of interlocking perforated flooring or panels of two designs each with a plank portion and subjacent flanges which alternate with each other. The first panel design has flanges which are outwardly turned to form a hat-shaped transverse cross section. The second panel design has channels which are inwardly turned resulting in a C-shaped transverse cross section. To assemble the supported floor, the hat-shaped panels are rested on supports which are arranged on the base of the bin in a predetermined manner. These supported hat-shaped panels are positioned in spaced relation to one another so that a C-shaped panel can be fit between each adjacent pair of the hat-shaped panels. Thereafter, the C-chaped panels are positioned in the respective spaces and interlocked with the hat-shaped panels. To gain access to the bin floor, any of the C-shaped floor panels can be lifted without affecting the hat-shaped panels.