Abstract: A one piece corner gusset for rigidly attaching the miter corners of hollow frame structures employed in the fabrication of various sheet metal members, such as some types of doors including screen doors. The gusset is comprised of a metal bar formed into a generally right triangular configuration, the two right angular legs thereof being connected by a hypotenuse portion which functions as a draw bar to properly align and maintain a rigid connection between two right angularly disposed hollow frame members when the gusset is positioned therein and fastened in place by any suitable fastening means such as screws.

Abstract: A new method of joining boards in the "Cross" connection, "Tee" connection and "Angle" connection is disclosed, which type of connections are widely employed in constructing book shelves, cabinets, etc. Said method of joining boards comprising at a rectangular bar with grooves formed into each of four sides of the bar resulting in a quatrefoil-shaped cross section of the bar and a "cross," "tee" or "angle" made of a metallic rod. The boards to be joined have a hole disposed at the end face, which hole receives an arm of said "cross," "tee" or "angle" depending on the type of joint. The end face of the board has a protrusion built parallel to the plane of the board, which protrusion has a narrower dimension at the root resulting in a cross section similar to that of a rail road. Of course, said grooves formed on said rectangular bar has matching cross sections to receive said rail-like protrusions on the end face of the board in a sliding relationship.

Abstract: A furniture angle brace that has a central bracing portion from which a pair of flat flanges extend angularly with two flat rectangular tabs projecting generally perpendicularly from each flange for assembly in a furniture joint to secure a leg and two side members together with the flat flanges flat against the side members and the tabs seated in slightly smaller cylindrical bores in the side members for receiving alignment with the tabs for indenting side edge-to-cylindrical surface seating of the tabs in the bores. The brace is secured to the side members and leg by screws that fix the brace flanges to the side members and by a screw or bolt that draws the central portion of the brace toward the leg and thereby secures the side members to the leg with the tab and bore connections providing proper configuration of the parts and rigidifying the completed joint.

Abstract: A clamping or connecting device for detachably connecting two plates disposed with respect to each other at an angle which may be selected within a large range of angles. The clamping device comprises two clamping jaws connected to each other by bolt means and forming bearing seats on opposite sides of the bolt means, the bearing seats having cylindrical inner surfaces for receiving cylindrical clamping bodies which are rotatable in their bearing seats about a respective axis approximately perpendicular to the bolt means as long as the clamping device is in an unmounted state, the clamping bodies consisting of two separate clamping elements the cross sectional area of which is in the form of a segment of a circular surface so that each clamping element has an arcuate and a plane side surface portion. The clamping elements consist of a hard material, such as metal or a hard plastic material.

Abstract: A corner construction bracket for the assembly of a three dimensional framework comprising end and side and vertical leg members of standard dimensional lumber e.g., 2.times.4s etc., said bracket comprising a complete folded corner, welded by a lip to the mating plane surface. Each plane surface containing a projection for the positioning and retention of said members, and strategically punched holes for appropriate fasteners, e.g. screws etc.

Abstract: A spiral staircase having at least one straight section and at least one curved section wherein the steps are supported at one end thereof on a wall and at the other end are suspended from a handrail and wherein the handrail is formed from straight sections having a substantially uniform height above the steps.

Abstract: A storage rack assembly comprising a plurality of L shaped corner posts each having a plurality of spaced apart openings in each wall thereof for interlocking with mating tabs struck from near one end of each of a plurality of beams. Each corner post opening has a central area wider than its opposite ends, which ends lie on a line coaxial with the elongate axis of a post. Each tab comprises a central portion spaced from the beam, two opposed connecting arms extending outwardly from the central portion coaxial with the elongate axis of the beam and transversely of the connecting arms. Upon assembly, the elongate axis of the beam and post are arranged in perpendicular relationship enabling a tab to be inserted through the wider central area of an opening and then moved downwardly to provide a three point contact defined by the opposed ears extending over and contacting one face of one post wall and by one connecting arm engaging and bearing against one end of the opening.

Abstract: This door omits the usual metal frame for supporting a pane of glass. Hinges are mounted on channel trim strips on the adjacent edges of a pair of the glass panes to provide a two panel folding door. The lower hinge has a spring catch to hold the door closed. The trim strips are secured in assembled relation on the horizontal and vertical edges of the glass by snap fit engagement with four corner connectors within the channels, without screws or welds. On one of the panels two of the corner connectors have pivot posts for mounting the door in a stationary frame and on the other panel two of the corner connectors have guide posts which slide in grooves in said frame. Thus the trim strips and corner connectors themselves form a frame for the glass in each door panel.

Abstract: An angle-shaped support member consists of a unitary element formed into a pair of legs extending normally to one another and interconnected at their adjacent ends by an outwardly extending rectangularly shaped box section. The opposite ends of the legs from the box section each have an outwardly directed flange. The flanges and walls of the box section have axially aligned openings through which bars can be fitted. The openings in the flanges and walls are offset laterally relative to one another to avoid any interference between the bars which extend through them.

Abstract: A free-standing, prefabricated, knock down, readily assembled and disassembled, relocatable vertical wall or space divider. Such wall dividers are useful for partitioning buildings and/or office complexes. The wall is made up of a plurality of individualized and decorative flush panel units which are interchangeable and which are adapted to be readily inserted within quadrilateral openings delineated by a novel wall frame and locked into place by hidden spline members that are mounted in the wall frame for translatory movement. The wall frame is fabricated in a novel assemblage of unique components which can present either a metallic or wooden exterior finish surface. The configuration of the wall frame components provides for lateral walls to extend outwardly not only at modular locations but also from any other desired location by use of novel adapters. The panels may be removed, redecorated and replaced as needed. Shelving or other appurtenances are attachable to the hidden spline members.

Abstract: Loading ramps for a truck having stake rack pockets are dimensioned to extend between adapters registerable with the pockets for non-use storage in a position where they function as side racks or vertical extensions thereof. The ramps are provided with a unique coupling means for engagement with the truck tail gate when in use.

Abstract: The invention relates to the construction of metal articles such as work benches, pallet racks, etc., by way of example.In a typical construction upright metal legs are secured to a flat table or platform surface. The upright members or legs preferably may be square in cross section. The upper ends of the legs are secured to mutually perpendicular transverse members which in turn are secured to the flat platform surface, the members being joined by self tapping screws. The transverse members are flat with side flanges which terminate short of the ends the end portions of the flanges being bent inwardly to provide mutually perpendicular securement tabs. The ends of each of two transverse members have securement to 2 flat sides of the end part of the square legs.

Abstract: An angular connection for a frame or counterframe composed of hollow sections of plastic material includes at least one plastic angular element inserted with its two legs fitting firmly in the hollow sections at the point at which they converge. The walls of the sections are welded to the legs of the insert by ultrasonic spot welds. A second plastic insert may be provided for connecting together edges of the sections, the first plastic insert being arranged to connect the main bodies of the sections together. Both inserts are connected to the hollow sections by ultrasonic spot welds. A method of making an angular connection for a frame and counterframe includes the step of welding hollow sections to at least one plastic angular element using ultrasonic welding techniques.

Abstract: The invention concerns a furniture connector assembly including a plug, a fastener, and a grommet, the plug being a substantially cylindrical component and having at least one flat side face, a spigot extending radially and obliquely from the side face and being penetrated by a bore, and the grommet comprising a substantially cylindrical shank having a locating surface at one of its ends, and being further formed with a bore extending through the shank, the bore being inclined to the axis of the shank, the fastener passing, in use, through the bore in the plug and extending into the bore in the grommet.

Abstract: A box section including a rim portion formed from an elongated strip appropriately shaped and interconnected at opposite ends thereof by means of interengaging tab portions adapted to be bent over one another and received within adjacent depressions of the opposite tab member in such a manner that a variety of decorative and functional coverings, including those of a relatively thick nature, may be applied to such box section without interfering with the construction thereof including its desirable visual and strength characteristics.

Abstract: This invention relates to universal connecting elements for removably joining together frame members such as posts, braces, stays or the like. The same connecting element is used at all corners and/or main points of the frame structure, and consists of two open-ended sleeves oriented at 120.degree. to one another, and a third sleeve open at both ends thereof which extends in one direction only from a plane defined by the forwardmost faces of the two sleeves, the third sleeve being oriented at 90.degree. to said plane.

Abstract: A pair of frame members have ends beveled at an angle of 45.degree. and mated with one another to provide a miter joint. The frame members have perpendicularly arranged plates each having an opening adjacent its one end to provide a separate end portion. A corner angle is mounted on the plates and has a pair of legs each having a projection of a V-shaped cross-section received in one of the openings. The V-shaped projections jointly provide a pair of substantially parallel members for clamping the separate end portions, the parallel members being fastened together by a screw passing therethrough. As the screw is tightened, the clamping members are moved closer to fasten the separate end portions securely together and to press the angle legs against the plates of the frame members.

Abstract: A damage-free mountable and removable arresting device for a foil or a similar thin covering material for making temporary or permanent coverings, encasings, spacial partitions and the like, comprising a plurality of self-supporting longitudinal clamping bars, each formed with at least one groove extending in a direction of a longitudinal axis thereof. An elastic band is pressed into the grooves of the clamping bars and one or more connection clamping elements are inserted into the ends of the grooves for operatively connecting the plurality of clamping bars.

Abstract: A corner gusset for fastening the corners of a hollow frame structure such as those employed in the fabrication of some types of doors. The gusset comprises a first member providing two legs in the general form of an angle bracket with inwardly turned end flanges, and a second member, comprising a draw-bar, fixed in a spanning relation between the two legs of the angle bracket. Opposed end portions of the draw-bar are angled relative to the main span thereof to lie against the respective inner faces of the two legs adjacent the inwardly turned end flanges. An outwardly extending lug from each of the angled end portions extends through a companionately shaped end sized hole through one of the inwardly turned end portions to securely hold the two members in assembly.

Abstract: A lightweight bar comprising a hollow, elongated member having channels within and extending along its faces, said member being composed of sheet material formed into the required configuration of the member and having a pair of edges joined together to close the cross section of the member.

Abstract: Device for connecting plate members or similar constructional parts by means of connecting elements. Each connecting element consists of two pivotably connected component parts.At the area of connection, each plate member is enclosed by two such component parts of different connecting elements. The component parts of the connecting elements are provided with holes into which fastening means. e.g., fastening screws, are inserted. Before the screws are tightened the relative angular position of the plates is adjusted as desired. Thereafter screws are tightened to firmly connect the plates with the component parts and immovably hold the plates in their desired angular positions. The plate members are thus rigidly connected with one another at any desired angle.

Abstract: Elements for forming a frame such as a metal door frame having spring clips by which a head rail and side members are connected, and a spacer or tie bar by which the elements can be stabilized during erection of the frame in a door way.

Abstract: An assembling piece which is easy to manufacture, each piece comprising two intersecting vertical walls, said walls being disposed at right angles to the each other and joined by a common horizontal wall. The exterior surfaces of said vertical walls comprise a protruding flange for cooperation with a horizontal element.

Abstract: The fastening fitting is used for detachable connection of two structural members, especially for detachable connection of two structural members butting together at right angles, for example a furniture side wall with a furniture top panel, a furniture floor, a furniture intermediate floor, and so on. This fitting comprises a holding element, which can be inserted into a hole of a first structural member, a pin which can be inserted into a hole in the second structural member and an anchoring screw which engages with an opening in the pin. The pin and the holding element are connected by a compressible section preferably by an elastically compressible section, which section can be compressed at least in direction of the anchoring screw. At a preferred embodiment the holding element, the pin and the compressible section are integrally made or formed as one unit.

Abstract: The corner-joint or the angular joint of oblong elements formed of a glueable material preferably wood is provided. A block is inserted in the corner and a joining surface of the block and the elements to be joined is provided with intermeshing tongues and grooves preferably of the finger-type form in their longitudinal direction a segment of a circle about an axis perpendicular to the plane of the joint elements. The matching fingers are glued together. The joint of this invention may be used for instance in a lattice girder and especially in frames for furniture. Further by a simple provision it will be possible to obtain a three-dimensional joint by adding a third element extending in the direction perpendicular to the plane of said two elements.

Abstract: A construction element which consists of a length of tube, rod or other rolled or extruded section which has two seatings on its periphery. The seatings are each adapted to hold at a predetermined angle to one another and a predetermined angle to the continuous length of the ends of two strips and to also hold between the strips a screwably connected wedge. The two strips are thereby firmly held into the seatings.

Abstract: A connector for use in connecting two perforate members at a predetermined angle. The connector comprises a base plate. A first catch member on the base plate is able to engage in a perforation in one of the perforate members. A second catch member on the base plate is able to engage with a perforation in the second perforated member when the two members are placed together at the predetermined angle. A third catch member on the base plate is able to engage a perforation in each perforate member that is spaced from a perforation engaged by the first and second catch members. An offset is formed in the plate between either the first or the second catch member and the third catch member. The offset is about equal to the thickness of one perforate member.

Abstract: A ceiling support grid system is disclosed herein and includes a plurality of longitudinally extending support runners which are interlocked together to form an integral grid pattern, preferably a basketweave pattern. The runners are interlocked together by two separate and distinct but cooperating arangements in a rapid and reliable manner and without the need for separate tools and without bending or otherwise deforming any components associated with these interlocking arrangments.

Abstract: The door frame includes an upper frame member, a pair of Z-configuration side frame members secured to the upper frame member, a lower frame member, and a pair of Z-configuration corner fittings interconnecting the lower the frame member with the side frame members. Each corner fitting comprises a first wall section having an intermediate wall portion and first and second end flange portions, and a second wall section joined to the first wall section and having an intermediate wall portion and a first end flange portion. The first end flange portions have secured therebetween the adjacent end of one of the side frame members, while the second end flange portion is secured to the adjacent end of the lower frame member.

Abstract: A support structure for furniture, shelves or the like comprises at least one vertical column and at least one crossbar releasably connected to the vertical column. The vertical column comprises at least two tubular members abutting with end faces thereof against each other, a tension member extending through the tubular members and a pair of end members connected in such a manner to opposite ends of the tension member to engage the end faces of the tubular members opposite the abutting end faces for maintaining the abutting end faces in tight engagement with each other. One of the tubular members is provided with laterally projecting coupling means releasably connected to the crossbar.

Abstract: A hanger support structure for a shipping container including a pair of struts; a pair of clips for receiving and extending above the top end of each of the struts, respectively; the part of each of the clips extending above the struts forming an engaging portion; each of the clips having a back wall, two side walls adjoining the back wall and two keying segments joined to the side walls and forming a part of the front wall; a cross-bar having a locking portion at each end including a pair of mortices on opposite sides of the cross-bar for engaging the keying segments with the locking portion which is received in the engaging portion of the clip; and adhesive means on the back of each of the struts for fastening each of the struts to a portion of a shipping container.

Abstract: A device for cornerwise interlocking or clamping together elements, said device comprising a base plate mounting two abutments upstanding from said plate, and a supporting means parallel with said abutments, there being movably mounted on said supporting means an angular pressure plate and pivoted upon a transverse pin in a slot in the supporting means an excentric having a lever, said excentric applying when swung to a clamping position a pressure on the pressure plate for the movement of same towards the abutments.

Abstract: A corner joint brace for furniture members and the like having a body including a pair of rearwardly extending, oppositely inclined, angularly related, side portions having front surfaces for being positioned adjacent inside surfaces of angularly related, corner joint members. The corner joint brace is characterized by at least a partial flexible construction of the side portions for use in bracing a variety of angled corner joint members of the same or different angular relations, while providing the desired structural strength to the brace for the bracing function thereof.

Abstract: A knock-down sectional furniture frame incorporating two frame members and a coupling for fixing the two frame members together with the end of one member abutting the side of the other member. The coupling comprises a metal fitting which fits in the angle between the two members and which is rigidly fixed to a connector element that is insertable into a transverse bore in the one member. One bolt extends transversely through the other member and into an aligned bore in the end of the one member and engages the connector element. Another bolt extends transversely through the other member and engages with the metal fitting at a position spaced from the one member.

Abstract: A corner structure for use in shelves, cabinets, boxes, and similar box shaped objects is described, wherein rectangular and/or polygonal panels are assembled by means of a rod-shaped junction of substantially hourglass cross-section. The junction is provided with or may be used in combination with separate uniting members having projections designed to be attached to the panels by means of screws or in other suitable manner.

Abstract: An end detail is provided for a cross tee to provide positive engagement of the cross tee with the main runner of a suspended ceiling system. The end detail of the cross tee may be provided with means which will positively lock the tee in place to bracket-like structures on the main runner. The positive locking, yet removable, fastening means is provided to fasten the cross tee to the main runner of a suspended ceiling system.

Abstract: A structural connection means comprising a block structure having a plurality of outer faces and a hollow interior compartment. An aperature is provided in each of the faces and communicates with the hollow interior. A recessed portion is provided at the outer end of each aperature and is in communication with each of the faces. The recesses are adapted to receive a closure plug. Each of the aperatures is adapted to receive a threaded stud bolt which is adapted to be connected to structural members to secure the same to the connector block. Modified forms of the block are also disclosed adapted to provided different means for securing the studded thread bolt to the structural member.

Abstract: A corner connector for board shaped component parts for manufacture of boxes, drawers and the like is characterized in that a middle part, from which tenons project to both sides, is formed as a plastic sheeting hinge. There are formed on both sides of the hinge line inwardly projecting formations which interengage at the back in the angular position. The middle part forms in an inswung closed condition a post of rectangular cross section.

Abstract: An improvement in a corner connector for a waterbed pedestal for rigidly joining the ends of the pedestal board members, the connector being of the type including first and second generally L-shaped plates, each having first and second sides interconnected to define first and second open-ended channels for receipt of the ends of the board members, the improvement being that the adjacent sides of the plates are non-parallel, the spacing between the adjacent sides at the bases of the channels being approximately equal to the thickness of the board members and the spacing between the adjacent sides at the entrances of the channels being slightly less than the thickness of the board members and that the channels have enlarged openings at the entrances thereof which are slightly greater than the thickness of the board members whereby the ends of the board members may be forced into the channels and the sides of the plates frictionally engage and retain the sides of the board members.

Abstract: In furniture construction a joint is formed between an upright post and the dovetail shaped end of a rail member by the clamping action of a pair of disc-shaped cap members having coaxially slanted interior peripheral portions that mate with the notches of the dovetail rail end. The cap members are mounted on an axially extending rod, and screw threads allow one of the cap members to be rotated into clamping position. A sleeve on the rod and extending between the cap members has vertical ribs for interfitting with vertical grooves in the ends of rail members to prevent overturning of the rail members. In certain embodiments, provision is made for preloading of joint elements. Various arrangements of joined elements make a wide range of furniture assemblies possible.

Abstract: Heavy duty stake rack connectors for joining of racks for flat bed trucks and trailers which racks have upright portions engaged in hollow sockets of the truck or trailer bed are provided. The connectors may be formed as extrusions and operate as pairs of male and female connectors one at each end of the rack. The female connectors have U-shaped portions for the reception of vertical ribs from male connectors. Both connectors are symmetrical which avoids the necessity for right and left hand connectors. If desired, a portion of the male connector may be removed to provide a hinge pin on one side and a like portion of female connector at the opposite end of the racks removed permitting the rack to be swung away from an adjacent rack after vertical displacement and disengagement of its uprights from their sockets. The racks can be of picket or solid wall construction.

Abstract: Furniture and room components are assembled in various combinations to form a wide variety of furniture units or room partition units, with the units easily disassembled when desired. The components include vertical support members, horizontal connecting members and connecting joints therefor.

Abstract: A fastener assembly for securing a pair of contiguous standards at substantially right-angles relative to each other is provided which includes a fastener comprising first and second perpendicularly oriented webs, and means mounted on the second web for connecting a standard thereto; and including a first standard having a configured through slot, the second web being introduced through the slot until the first web abuts the first standard; and a second standard abutting the second web and being contiguous with the first standard.

Abstract: A weld fabricated steel saddle bracket having an elongated angle member with a portion thereof adapted to abut the side of the top wall plate of a building and another portion thereof adapted to lie on the top of the top wall plate and two identical right angle members having horizontal portions welded to the top portion of the elongated angle member so that the side edges thereof are in planar alignment with the side portion of the elongated member and the ends thereof lie flush with the ends of the elongated member, and the two identical right angle members having vertical portions projecting upwardly in parallel spaced apart relationship from the top surface of the top wall plate to form a saddle to receive the cross tie members and roof rafters of the building.

Abstract: A roll over protective structure for use on tractors to protect the vehicle operator in the case of an upset. Interlocking mating of structural frame members is accomplished by using metal tubing having cross sectional shapes of complementary dimensions such that structural members can be inserted into other members of the structure having compatible internal dimensions and shapes.

Abstract: A safety lock bracket is provided for affixing the end of a door frame header having internal roller tracks to the end of a door jamb over which it is mounted.

Abstract: A fastening device for two members that is particularly suited for use in the so-called "knock-down" furniture comprises a metallic insert formed with a bore and threaded into one of the members so as to be flush therewith. The other member is formed with an aperture that is in registration with the bore when the two members are in mutual contact. A screw is received through the aperture to threadably engage the bore. Tightening on the screw detachably fastens the members as the insert acts as a seat for the other member and acts to distribute the load thereon over its larger peripheral area.

Abstract: A chair incorporating a basic rectangular frame having vertically spaced front bars and vertically spaced rear bars provided with a durable flexible member, such as a cord, strung in a crisscross fashion so that the intersecting diagonals of the cord form a chair seat. A unique mortise and tenon joint is employed at the intersection of the horizontal upper front bar, a horizontal side bar and a vertical leg at each front corner of the chair to provide a rigid frame and a seat structure which may be easily replaced or repaired in the event of wear with the chair being quite light and easily carried with the front upper bar and the rear upper bar being curved or bent for comfort.