Abstract: A building toy comprising a plurality of flexible and stiff pieces and connectors capable of being connected to each other in a desired pattern to form constructions like buildings, cars, forts, planes and other recreation arrangements, the toy comprising a plurality of flexible hollow tubes connectable to each other by means of connectors than can be snugly fitted into the hollow ends of the tubes.

Abstract: A tubular connector includes a tubular member and a retaining member. The tubular member includes proximate and distal tubular ends, and an intermediate portion interposed therebetween. The intermediate portion has an outer surrounding wall surface which is formed with two slits and a transverse slit inter-communicated with the two slits to thereby form a resilient tongue portion. The retaining member is disposed on the resilient tongue portion to be adapted to engage an engaging hole in a rod member.

Abstract: A hub assembly for pivotally connecting the ends of support rods of a portable self-supporting display structure configured for a collapsed storage position and an expanded display position. The hub assembly may include first and second members and a connector. The first and second members are mated to provide bearing surfaces and to accommodate pivot pins affixed to the support rods. The connector secures the mated first and second members together by being extended through bores in the mated first and second members.

Abstract: A linear cold connection with connecting places contains a first and a second structural component to join first and second construction elements of a frame for road or rail bound vehicles. First construction elements are attached to the first structural component and second construction elements are attached to the second structural component. The first and second structural components are joined together via a pair of first and second joint faces. The joint faces form a length of arc of a circular cylinder with a common circular-cylinder axis. The first structural element is joined to the second structural element via a bolt-type connection penetrating openings in the first and second joint faces.

Abstract: To assemble pieces of furniture, for example shelves, hollow supporting shapes (1, 2, 3) having a rectangular cross-section are connected by means of Lshaped angle braces (4) and tenons (5) which can be inserted into the ends of the shapes so as to form frames (19, 21), and assembled into cubic pieces of furniture using said shapes (3) as upright posts. According to the invention, frame shapes (23) having four chambers are preferably also used, which can save as the resting edges for shelves (22). These frame shapes (23) have a slot (36, 37, 38, 39) for each chamber, in which slots sliding door elements (33, 34) of different thicknesses can be held by means of an elastic shape (35) in such a way that the doors can easily be displaced. Said elastic shapes (35) preferably comprise grooves (36, 37, 38, 39) of different thicknesses for receiving the sliding door elements (33, 34).

Abstract: The clarifier cover has a shape defined by a low profile circular segment of revolution around the central column of the clarifier, for maintaining the volume of gas thereunder minimum. In another aspect, the support structure of the cover is made of a plurality of ring trusses disposed in a circular array and defining a circle, concentric with the circular wall of the clarifier, and a radial array of outer trusses each having an outside end mounted to the wall of the clarifier and an inside end mounted to the plurality of ring trusses. A series of inner trusses are individually affixed in an overhung mode to one of the outer trusses, such that the loading applied to the central column of a clarifier by the cover structure is minimal or negligible. The trusses define an array of triangular frame sectors.

Abstract: An umbrella frame provides a stable and enduring support for an umbrella canopy while also allowing canopies of varying shapes and sizes to be mounted thereto. The umbrella frame includes a pair of hub members mounted about a pole member wherein each hub member has a plurality of slots formed in its outer perimeter. Ribs and struts are pivotally secured to the hub members using hub connectors which are removably secured to the hub slots so as to allow the size and shape of the attached canopy to be readily varied. The struts are also pivotally secured to the ribs by a collar member which helps prevent damage to the overlying canopy. The umbrella frame is rotatable about its axis in both the extended and retracted positions.

Abstract: An apparatus for a pop-up display structure that provides a hub structure that is divided into two sections that are held together by a thumbscrew. The two sections define internal channels in the hub for capturing guide pins attached to the tubes such that the tubes pivot about the guide pins and rotate about the hub through slots in the hub. The thumbscrew provides for removal of tubes from the hub structure without the use of tools and therefore provides for changes on the fly for reconfiguring the structure or for replacing broken tubes. The thumbscrew also provides a mounting structure for the channel bar that attaches to the pop-up structure. The channel bar is capable of folding into three sections and is capable of folding compactly without regard to the sequence of the folds.

Abstract: A bearing structure for cabinets preferably containing electric and/or electronic apparatuses is provided, which comprises a predetermined number of metal section members, defining upright elements (2) and crosspiece elements (3), and connectors (4) between the section members which is adapted to be disposed in an operatively functional position to join the upright elements (2) to the crosspiece elements (3) independently of engagement of panels defining the cabinet top and base with the crosspiece elements.

Abstract: A board to board coupling structure coupled between at least two panel assemblies, the board to board coupling structure including a tubular shaft, two locating plates respectively mounted in a longitudinal groove at the tubular shaft, two inner socket assemblies respectively mounted on the tubular shaft, two end caps respectively mounted on the tubular shaft, two outer sockets, a plurality of hook plates, and a plurality of plug plates. The hook plates are fixed to the at least two panel assemblies, each having a hooked portion respectively hooked on a top notch at an outer race at one inner socket and a notch at an upright flange at one outer socket. The plug plates are fixed to the at least two panel assemblies, each having a plug portion inserted in between the socket body and outer race at one inner socket and engaged into the notch at the upright flange at one outer socket.

Abstract: The present invention relates to a structure for mounting a garnish in an automobile that can prevent the garnish from coming off from a body panel. In the structure for mounting the garnish of the present invention, a bracket having elasticity is mounted to a rear surface of the garnish so that it is possible to maintain the mounting state between the garnish and the body panel.

Abstract: A trim assembly for use with at least one flanged support post including a first trim member engagable with the flanged support post, and a second trim member engagable with the first trim member.

Abstract: A display framework collapsing from an inverted V-shaped display framework to a compact configuration includes rods, hubs, and a fastening mechanism. Each rod pivotally joins to another rod by a scissors-type connection intermediate the rod ends. In addition, the end portion of each rod pivotally joins to a hub, where each hub may receive a plurality of rods. As configured, each rod enjoys pivotal movement in relation to the hub along a single axis of revolution. The rods rotate about this single axis of revolution from the collapsed compact configuration, where the rods are substantially parallel to one another, to the erect inverted V-shaped configuration, where the rods radiate outwardly from one another and the display framework includes a front face, a rear face, and a top. In this erect configuration, the display framework provides display surfaces on both the front and rear faces.

Abstract: A free span building has connector hubs having slots for mating with tubular frame members. Each slot has a longitudinal axis, and a tooth symmetrically disposed on either side of the longitudinal axis. The area of the slot in shear is larger than the area of the tubular frame member in tension by at least an approximate ratio of the strength of the material of the tubular frame member in tension to the strength of the material of the slot in shear. The angle between a bearing face of the tooth and the longitudinal axis is within the range of seventy to ninety degrees. The teeth are disposed on opposite sides of the longitudinal axis. A distance measured on the tubular member perpendicular to the longitudinal axis, and between the slot's teeth, is at least the ratio of the yield strength to the ultimate strength of the material of the tubular member.

Abstract: An apparatus for a pop-up display structure that provides a hub structure that is divided into two sections that are held together by a thumbscrew. The two sections define internal channels in the hub for capturing guide pins attached to the tubes such that the tubes pivot about the guide pins and rotate about the hub through slots in the hub. The thumbscrew provides for removal of tubes from the hub structure without the use of tools and therefore provides for changes on the fly for reconfiguring the structure or for replacing broken tubes. The thumbscrew also provides a mounting structure for the channel bar that attaches to the pop-up structure. The channel bar is capable of folding into three sections and is capable of folding compactly without regard to the sequence of the folds.

Abstract: A portable, easily composable supporting skeleton which serves as a supporting structure of buildings composable in situ. The skeleton comprises a pipe-like spacer. Two dismountable node plates can be fixed to the spacer by way of clamping assemblies. Each node plate includes an eye having a through-hole. A joint assembly which comprises a crosswise tie-piece can be interconnected pivotably to the through-hole of the eye of one of the node plates.

Abstract: A structural connector for use with a signpost, the structural connector comprising a body connectable to the signpost and at least one primary flange extending from the body.

Abstract: A corner piece is configured for rigidly joining together a pair of beams to form a frame. A main body includes a pair of pegs diverging outwardly therefrom for being inserted in corresponding sockets in respective ends of the beams. The body includes a crotch laterally separating the pegs at an inside corner for engaging the beams. The crotch permits inside welding to the corner piece. And, in a preferred embodiment, a corner bezel extends from the body to define an outside corner, and a corner seat is disposed in the body for receiving a gasket.

Abstract: A play and climbing equipment structure including a support structure with at least three sloping beams that form a vertex where the three beams meet, and that form a polyhedral shape having a triangular shaped bottom. At least one flexible planar surface is positioned within the interior of the support structure and is attached to the sloping beams. A contoured object is placed immediately under the vertex, and restricts the excessive inward movement of the beams, thereby preventing unintended collapse of the structure.

Abstract: A hanging file support apparatus having a rectangular top for receiving hanging file folders. The top contains circular support rods of identical cross section fitted into modular cornerpieces having three orthogonal extensions for receiving the rods. A pair of clip-on dividers with a rod extending between them may be attached to the top. The top may be attached to the top edge or inside of a drawer or other workspace through holes in the cornerpieces. The top may also be supported by vertical support rods that are received by the cornerpieces. The vertical rods may be mounted into holes in a drawer, shelf or other workspace. Alternatively, the vertical rods may be mounted into a base comprised of cornerpieces and rods.

Abstract: A coupling device for rotatably coupling poles of a tepee tripod. A first clamp clamps onto an upper end of a first pole. A second clamp clamps onto an upper end of a second pole. A third clamp clamps onto an upper end of a third pole. First and second rotatable couplers rotatably couple the first clamp to the second clamp, and the first clamp to the third clamp. The first coupler is rotatable about a first axis of rotation, so as to allow relative rotation between the first and second clamps. The second coupler is rotatable about a second axis of rotation so as to allow relative rotation between the first and third clamps. The first and second axes of rotation lie in a plane generally perpendicular to a first longitudinal axis corresponding to the first pole when the first clamp is clamped onto the first pole. The first and second axes of rotation intersect the first longitudinal axis. The first and second axes of rotation are radially spaced apart relative to the first longitudinal axis.

Abstract: A blind having a support system and a sheet material secured to at least a portion of the support system. The support system includes a number (n) of horizontal support members and a number (n+1) of vertical support members, wherein n corresponds to an integer of 2 or greater, and a plurality of flexible joints connecting each vertical support member to at least one of the horizontal support members, with at least one of the vertical support members connected by one of the joints to at least two of the horizontal support members.

Abstract: A joint system having one or more tetrahedral joints formed by three edge lapped flat pieces having complimentary open-ended slots which interlock in a construction composing one vertex of a tetrahedron. A plurality of tetrahedral joints can be interconnected by one or more interlocking flat pieces having open-ended slots at both ends to form a part of two or more tetrahedral joints in various configurations with other tetrahedral joints.

Abstract: The present invention provides a junction form which may be used to provide junctions in split tube used to protect optical fibers. The form consists of a base with multiple arms extending therefrom, with retainers at the base and at the ends of the arms. These retainers engage edges in the split tubes formed by the split found initially in the split tubes, and by a second split formed at the ends of the split tubes opposite the original split. The junction created by the junction form protects the optical fibers against being bent at a sharp angle, while allowing the optical fiber to be installed therein by simply pushing the fibers into the junction and the split tube. The present invention also provides methods of creating junctions from split tubes.

Abstract: A continuity tie for providing both tension and compression resistance to externally induced movement of building structural members. A central body member is provided with a plurality of bolt mounting apertures in a staggered pattern and a pair of end plates having a rod aperture. One embodiment employs a tubular central body member having a hollow interior; another embodiment employs a generally U-shaped central portion with flanking flanges. Both embodiments can be mounted to building structural members separated by an intervening building structural member, with the continuity ties being secured together by means of a single rod arranged in the rod apertures in each continuity tie and secured in place by means of nuts. The staggered bolt patterns reduce the probability of mounting all bolts in a defect region of a timber building element. The hollow tube embodiment is symmetric and cannot be installed backwards. The rod aperture may be centered or offset from the central axis of the continuity tie.

Abstract: A connector piece useful for joining two beam members preferably includes a generally triangular arrangement of load bearing members. The connector piece is especially useful in joining beam members of a vehicle space frame. The connector piece includes a set of tab members extending generally away from the load bearing members. The tab members are inserted into channels formed on the beam members. The beam members are then joined to the connector piece, preferably, by spot welding through each sidewall of the channels and the tabs, respectively. A longitudinal component of a load incident on one of the beam members is transferred along at least one of the load bearing members to assist in avoiding deformation of the beam.

Abstract: A joint has a plurality of synthetic resin hollow tubes inserted a plurality of resin-coated steel pipes which are formed by applying a coating resin on a surface of a thin wall steel pipe and are formed with at least one pair of fitting ribs extending in an axial direction on the coating resin for holding an edge of a partitioning body, in order to connect the resin-coated steel pipes in an intersecting fashion. The joint also includes slits which permit a pair of fitting ribs of the resin-coated steel pipes therethrough, are formed on reentrant side of at least adjacent two hollow tubes among a plurality of hollow tubes at positions in one plane extending across respective axes of the hollow tubes and extending over the entire length, and cover ribs which are formed integrally with the hollow tubes and extending along both sides of the entire length of the slits for covering outer side surfaces of a pair of fitting ribs of the resin-coated steel pipe.

Abstract: A portable shade device having dome shaped supporting structure of elongate, tubular members. An umbrella having UV blocking properties is clamped to the supporting structure with a clamping device that allows the umbrella to be positioned so as to provide shade to occupants of the device at all times of the day. A side wall member may also be attached to protect against reflected rays from water or sand. Additionally, a floor may form part of the device.

Abstract: A patio construction, which is easy to assemble and disassemble by the user, includes at least four base joint to respectively support four vertical construction beams extended upwardly. Four top ends of said four vertical construction beams respectively connect four triaxial construction joints adapted for connecting at least four horizontal construction beams. A plurality of ceiling bars are detachably mounted between at least two of said horizontal construction beams.

Abstract: A new modular rack system is provided which can be ganged, expanded, contacted and modified in various ways, depending on the type of merchandise to be transported or stored. It can be readily moved by forklift and lifted by cables. Once the new modular rack system has fulfilled its transportation or storage function, it can be easily disassembled, transported, and stowed until needed for subsequent transportation and/or storage missions. In its most basic embodiment, the modular rack system generally comprises a plurality of beams, each beam consisting of an elongated member having first and second ends; and a plurality of coupler blocks, each block consisting of a three-dimensional polygonal body having a plurality of faces, each face having an aperture for receiving a single end of a beam, and each aperture including a retaining mechanism which releasably locks the received end within the aperture. For a preferred embodiment of the rack system, each coupler block has six cubically-arranged faces.

Abstract: A rigid intersection connection, wherein an elongated longitudinal member, a first elongated lateral member, and a second elongated lateral member are joined by a one-piece rigid tie. The one-piece rigid tie joins the first and second elongated lateral members to the elongated longitudinal member with first, second, third, fourth, fifth and sixth fasteners. The one-piece rigid tie has a central web member to which three gussets attach. Each gusset in turn connects to two attachment tabs. The attachment tabs are disposed against the elongated members and are connected thereto by fasteners.

Abstract: Adjustable 3-way scaffolding fasteners for holding together four corners of a scaffold with four upright members, two first cross members with extremes, and two second cross members with extremes. The fasteners include a pair of right fasteners and a pair of left fasteners. Each fastener of the pair of right fasteners connects one extreme of the extremes of one cross member of the two first cross members and one extreme of the extremes of one cross member of the two second cross members to an upright of the four upright members of the scaffold, and are separate and diametrically opposed to each other when being used.

Abstract: Disclosed herein are novel architectural joints for use in constructing geodesic domes. The joints disclosed are less costly to manufacture and are of increased strength over prior art joints. Through the use of the joints disclosed, construction of novel geodesic domes not found in the prior art is now possible.

Abstract: A sleeping unit for furnishing a standardized room having two dresser units thereunder is disclosed. Each dresser unit comprises a rectangular box-like frame constructed of 1.times.1 aluminum tubing and welded joints. The frame has a base which is constructed of 1.times.2 aluminum tubing and welded joints connected to the 1.times.1 tubing. The tubing has flanges thereon for the attachment of two panels which are inserted into the frame to form outer surfaces thereon, and each panel has a durable coating thereon. Each dresser unit also comprises a pair of inner frames with drawer slides thereon, wherein the inner frames are attached inside and thereto the box-like frame, and a rear inner frame having two openings therein defining two slots. Each slide has a single screw secured onto a front end thereof. A rear of each slide rests in a respective slot of the rear inner frame whereby each slide is easily removable for repair by removing the screw on the front of the slide.

Abstract: A split separable joint includes a cylindrical hub having a first portion and a second portion. The hub portions interconnect at a keyed interface. The hub has axially extending, radially directed, keyed slots formed in a peripheral hub surface for receiving structural members. The first and second hub portions are retained together as a unit by a fastener which extends diametrically through aligned bores in each hub portion. The structural members are retained in place by an axially extending fastener which retains end plates on opposed ends of the hub.

Abstract: The present invention is directed toward a novel moment resisting connection system, the Co-Axial Joint (CAJ) System, and a method of assembling the moment resisting connection system for use in diverse areas of architectural design, fabrication, engineering, and field erection of lattice structures. A given CAJ System connection is comprised of a framing member, a block connector, an end cap, an end cap-block connector attachment means, and a sleeve. The end cap, movably attached to the block connector, is connected to both the sleeve and framing member. To assemble the CAJ System, a sleeve is slid onto a framing member and positioned at the end of the member. The framing member is then positioned relative to the block connector. Attached to the block connector is an end cap which is made to align with the framing member. The end cap-block connector attachment means, typically a bolt, acts to absorb the tensile forces exerted on to the system without compromising the member-block connector connection.

Abstract: In a connection between round composite fiber rods or pipes positioned at an angle to one another there are provided angular connecting elements of which the angle corresponds to the angle between the rods to be connected, fiber helical windings in the region of the vertices of the angular connecting elements, respective arms of the connecting elements being arranged to be inserted in the rod or pipe ends. The angular connecting elements are fastened positively on a rod and/or rest frictionally in the rod ends. The fiber helical windings wrap around the angular connecting elements in their angled portions and connect them to one another. Fillers and/or adhesives fill the cavities which are formed at the rod or pipe ends.

Abstract: One-piece staging support for use in staging which can be horizontally collapsed. Cylindrical pivot supports are supported at a common level about a centrally located cylindrical body for the support of pivoted stage support members.

Abstract: A prefabricated collapsible awning frame system and method of forming the same. The awning frame system comprises a bracket assembly having a mounting plate that can be fixedly attached to a structure and a support member removably attached to the mounting plate. The frame system also includes at least one arm bar removably attached to the support member. A snap button is disposed with the support member and arm bar. The frame system may be assembled on the ground and the assembled frame system may be raised and removably attached to the mounting plate. To removably attach the support member and arm bar, the button head of the snap button is depressed and the support member or arm bar is slid onto the mounting plate or support member until the button head is aligned with the snap button opening. The support member and mounting plate may then be easily removed by depressing the button head and sliding the support member or arm bar using a reverse procedure.

Abstract: A continuity tie for providing both tension and compression resistance to externally induced movement of building structural members. A central body member is provided with a plurality of bolt mounting apertures in a staggered pattern and a pair of end plates having a rod aperture. One embodiment employs a tubular central body member having a hollow interior; another embodiment employs a generally U-shaped central portion with flanking flanges. Both embodiments can be mounted to building structural members separated by an intervening building structural member, with the continuity ties being secured together by means of a single rod arranged in the rod apertures in each continuity tie and secured in place by means of nuts. The staggered bolt patterns reduce the probability of mounting all bolts in a defect region of a timber building element. The hollow tube embodiment is symmetric and cannot be installed backwards. The rod aperture may be centered or offset from the central axis of the continuity tie.

Abstract: A connector for square or rectangular tubing. The connector consists of a cubic or otherwise appropriately shaped block with projecting sections in each direction where tubing is intended to be connected. The projecting sections fit loosely inside the tubing. Each projection has an internal cam that is rotated in place to drive radial pins outward to engage the inner surface of the tubing. Cam rotation is accomplished by screw means that are mounted transverse to the axis of the tube and engage the cam tangentially. In some embodiments, additional screw means engage the cam to cause contrary rotation to disassemble the connection.

Abstract: A spiral staircase includes a shaft pole for the staircase, a plurality of arms spirally connected to the outer periphery of the shaft pole, treads fixed to the upper surface of each arm, a plurality of balusters fixed to the outside end portion of a plurality of arms in parallel with the shaft pole, and a plurality of handrails mounted and connected between the balusters pillars, wherein each of the arms is connected to the shaft pole by an arm connecting metal, each baluster is connected to each arm by a baluster connecting metal, and the baluster and the handrails are connected by a handrail connecting metal. Since the connecting metals are used for the connection between the shaft pole and the arms, between the arms and the balusters and between the balusters and the handrails, connection and assembly of the spiral staircase can be carried out easily, reliably and firmly without requiring skilled labor, and the cost of the production and high operation efficiency can be accomplished.

Abstract: A children's play structure includes a frame having hinge structures that enable the structure to be arranged into a free-standing structure having a variety of adjustable positions. Interchangeable panels can be provided for removable attachment to the structure. At least one of the panels may include an article mounting sheet configured to receive articles such as drawings, photographs, and the like in one or more transparent pockets. The frame is easily assembled and is foldable into a compact structure when not in use. A hinge mount structure having two mounting posts facilitates assembly, disassembly, folding, and adjustable positioning, and affords structural stability to the free-standing play structure. In particular, such a hinge structure allows adjoining frames to be mounted at the same level and to be freely pivoted independently of one another. Further, a coupling structure enables portions of the play structure to be divided into segments that can be attached upon assembly.

Abstract: A cladding support system for a framework including rounded tubular members having an arcuate face and flattened opposite ends inserted into cylindrical hubs. The support element includes an elongated span and opposite end portions each including a terminal end. The span has an arcuate surface in seated engagement with the arcuate face of the tubular member. The end portions of the support element each have a tapered surface coextensive with and angularly disposed relative to the arcuate surface. The tapered surface includes a groove at each terminal end of the support element for receiving the flattened ends of the tubular members. The terminal ends are angular and overhang the cylindrical hubs.

Abstract: A releasable joint connects an upright (10) and a transverse brace (16) in an aluminum scaffold frame. A horizontal aluminum flange (12) is attached to the upright (10) and an aluminum connector (18) to the brace (16). The connector (18) has a mouth (50) which receives the flange (12). A steel wedge (20) is inserted through a vertical passage (52) in the connector (18) and an opening (28) in the flange (12). The opening (28) contains a vertical, planar wedge-seating surface (36) of uniform horizontal cross-section. The connector (18) contains a pair of parallel, planar wedge-seating surfaces (54, 56), one above and one below the flange (12). These surfaces (54, 56) extend downwardly and radially outwardly relative to the upright (10) at a predetermined angle relative to vertical and have uniform horizontal cross-sections.

Abstract: A crossmember defines guide surfaces to receive a leg tip. Preferably a screw, cam or lever applies nonimpulse force to wedge the tip against the surfaces. The tip is preferably unthreaded, exclusively noncircular in at least external cross-section, and very generally aligned with the leg axis. Preferably the screw or the like pulls the tip length-wise into the crossmember without rotating or threading the tip into the surfaces, and also retains the tip wedged in place. Also preferably a notch or analogous traction feature is formed in the leg or crossmember, and the screw (distinct from the tip) threaded to the other. The screw engages the notch to force the tip into the crossmember.

Abstract: In a light-tight enclosure, elongate members and joint connectors are joined to one another to form a framework to which panels having projecting ribs with right-angled corners are mounted. Each elongate member is extruded from aluminum so as to have open ended grooves. Each joint connector is fabricated from aluminum so as to have open ended grooves, some of which have right-angled corners conforming to right-angled corners of the projecting ribs. At each joint where elongate members and a joint connector are joined, the open-ended grooves merge with one another so as to define continuously extending grooves receiving the projecting ribs of the panels mounted to the framework at the joint. Some joint connectors are employed as corner connectors while other joint connectors are employed as edge connectors.

Abstract: Apparatus for interconnecting a plurality of articles includes a connecting member having a circular walled periphery, a portion of which is selectively engaged by at least one arcuate slotted portion provided on each of the articles to provide interconnection therebetween. The arcuate slot matches the curvature and thickness of the connecting member. According to the invention, a plurality of connecting members can interconnect a variable number of articles to create expandable planar arrangements which can also be secured to a mounting surface, such as a wall or table-top. In a preferable embodiment, the articles and connecting members can also be stacked one upon another to form an expandable vertical arrangement.

Abstract: A corner joint element 1 for longitudinal bars 7 and cross bars 8 that are created from hollow profiles 10 of a rack has three legs 2, 3 and 4, which are standing at right angles to each other. The surface of each leg 2, 3, 4 has at least one cavity 11. For the fastening of a hollow profile 10, slipped onto a leg 2, 3, 4, the wall area 12 of the hollow profile positioned above the cavity 11 is pushed into the cavity 11.

Abstract: A support system for data transmission lines and the like, comprising a rail section supported generally horizontally, a splice for connecting the rail section and another structure, and a fastener for securing the splice to the rail section. Each rail section has a hollow box beam portion having a top wall, opposite side walls and a bottom wall. Each splice has a central part and first and second end parts, the first end part being receivable in an open end of the box beam portion of the rail section and the second end part being connectable to the structure. The central part of the splice has an outside width immediately adjacent the first end part of the splice essentially the same as the outside width of the rail section immediately adjacent its open end thereby to provide smooth junctures between the central part of the splice and the rail section at opposite sides of the rail section when the first end part of the splice is received in the rail section.