Abstract: An improved display apparatus includes at least two elongated frame members arranged with ends thereof disposed generally adjacent one another in order to define an angulated frame corner configuration. Such frame members include elongated channel portions thereon, and an improved corner assembly according to the present invention includes a corner insert insertable between the generally adjacent ends of the frame members, and a corner key member for reinforcing and securely supporting the corner insert. The corner insert is attached to the corner key member, and the corner key member is attached to the frame members. The corner key member is preferably a continuous member, having a pair of corner legs disposed at an angulated relationship with one another, with each of the corner legs being receivable within the channel portion on one of the frame members and extending longitudinally therein.

Abstract: A quick assembly attachment mechanism comprising an elongated stud member having two notches formed in its surface and a receiving member that non-rotatably engages the stud member and includes at least two bendable tabs that are bent into the notches to lock the stud against longitudinal motion. The receiving member includes access openings to permit the tabs to be bend back out of the notches so that the stud may be removed. The attachment mechanism is particularly suited for use in connecting steel components such as steel hinges to steel doors.

Abstract: A screen printing frame comprises four extruded plastic frame members made of a material which is recyclable and resistant to attack by the inks and solvents used in a sreen printing process. Each of the frame members include transverse reinforcing webs dividing the frame member into four elongated channels. At each mitered junction of the frame, four L-shaped plastic connectors are inserted into the contiguous channnels of contiguous frame members and adhesively secured. The screen or mesh is suitably stretched and attached to the frame by means of an adhesive.

Abstract: Corner connection for frames for double glazing, characterized in that it principally consists of two hollow profiles (1) to be connected to each other and a corner profile (20) of which the arms can be placed in open cavities (4) of the profiles (1) and that has a sealing wall (23) between the arms (21-22) which after joining together the profiles (1) seals the closed hollows (3) of the profiles (1).

Abstract: An angle coupling structure for knockdown cabinets includes an angle coupling, a plurality of connectible sections, and a plurality of securing rods. Within each connectible section, an elongate channel is formed to receive a connecting rod projecting from the angle coupling. An elongated recess is formed generally below the elongated channel to receive one of the securing rods for permitting the rod to slidably move therein. An elongated slot is formed in a wall between the channel and the recess. A screw can be inserted through a hole preformed in the securing rod and past through the elongated slot to screw into a hole formed on the connecting rod, due to the adjustable position of the securing rod. The connectible sections, angle coupling, and securing rods are thus joined together tightly.

Abstract: The present invention comprises a corner fastener for securing a first and second frame member together to form a corner of a frame. The corner fastener, in one embodiment, includes a first leg member cooperatively connected to a second leg member. Proximal sections of the leg members have raised surfaces which act as a pivoting point when the corner lock is utilized. In addition, the leg members have distal sections which are deformable, during installation, to assist in the alignment and adjustment of the mitre angle.

Abstract: A slope and skew hanger for connecting a rafter to a beam at a variety of slope and skew angles. The hanger includes a connection portion and an integrally attached seat portion which is connected with the connection portion along a bend line. The connection portion includes a central opening, a pair of side connecting brackets joined by connecting strips and adapted for connection to the beam, and a pair of centrally positioned connection flanges extending outwardly from the front face of the connection portion and adapted for connection with the sides of the rafter. A further feature of the present invention is the provision of a raised spherical portion and an offset nail receiving opening to facilitate the angled nailing of such a hanger or bracket to the beam or rafter.

Abstract: A window sash frame which has fiberglass reinforced plastic framing members. The framing members have associated subframes. The subframes are joined at their ends so that the ends of the framing members are drawn towards each other to form a window sash frame having tight fitting corner joints. An associated method is also disclosed.

Abstract: A corner connection fitting (1) for a frame is disclosed. The corner connection fitting (1) interconnects front frame members (18) to base frame members (13). The front frame members (18) are rotatable to an outer, open position so as to allow the picture (21) to be easily inserted or adjusted within the frame assembly.

Abstract: A joint member or fishplate intended to join together two lengths of I-Section beams at an angle one to the other. The fishplate comprising two arms including a predetermined angle and joined by a central portion having an outwardly projecting block, the sides of which extend outwardly perpendicular to the axes of the respective arms. This enables the mating ends of the two beams to be cut perpendicular to their axes and when joined together by a fishplate, the bottom flanges of the two beams abut or nearly abut and the top flanges are separated by a distance, depending upon the angle at which the beams are being joined, and which corresponds to the length of the outwardly projecting block. The ends of the top flanges of the beams then contact the sides of the outwardly extending block to form a strong joint.

Abstract: A corner connector for a pair of extrusions having hollow interiors of rectangular cross-section is formed as an L-shaped piece of sheet metal having a pair of arms extending at an angle to one another for connecting the extrusions together at the same angle. Each of the arms has opposite longitudinal edges which are located on a common edge plane, and the common edge planes of the two arms are inclined relative to one another, so that the arms can be engaged with diagonally opposite corners of the rectangular hollow interiors of the extrusions, thus avoiding wastage of the sheet metal.

Abstract: Bolting apparatus for use with countertop panels and the like of wooden and laminate construction, for securing a first such panel to a second panel, with an edge of the first panel engaging an edge of the second panel, the disclosure including a draw bolt and attached pressure plate members for engaging depressions in the underside of the two panels and the draw bolt spanning the engaging panel edges, the draw bolt being quickly tightenable to draw the engaging panel edges tightly together.

Abstract: A picture frame assembly which has an outer frame with an inner frame carried on the outer frame background plate with provisions for easy insertion and removal of image-carrying sheets, such as paintings, photographs and other decorative sheets. The picture frame is unique because of the following features. While the inner frame's bottom and side pieces are adhesively attached, the inner frame's top piece is detachably mounted to the inner frame's side pieces. The inner frame is extended further than the outer frame to allow image-carrying sheets to be inserted into the inner frame in a completely flat vertical orientation. The top piece is attached by the wedging of grooves in the each end of the top piece onto tapered corner connectors extending from the side pieces.

Abstract: A corner assembly for a skylight frame includes first and second frame members having mitered ends and inner and outer surfaces. At least one inner joint member has first and second wings extending from a central rib. At least one outer joint member has two lateral members end walls defining a longitudinal, centrally located groove between the lateral members. The groove walls are closely interfitted with the rib, with the wings contacting end portions of the frame member inner surfaces and with the lateral members contacting end portions of the frame member outer surfaces.

Abstract: A decorative panel is for a cabinet, cupboard or the like which includes a plurality of edge frames having mitered ends. A central panel element has a plurality of edges and each of the edge frames has an internal groove for respectively receiving one of the edges therein. Each of the edge frames has a laminated surface material secured to an outer surface thereof. The laminated surface material on each of the edge frames has a terminal portion which is located within the internal edge groove. The edge frames surround the center panel element as the edges are respectively located within the internal edge grooves of the edge frames. Each of the edges of the center panel element secures the terminal portions of the laminated surface material within the internal edge groove. The mitered ends of adjacent edge frames have aligned slots in aligned areas of the outer surfaces thereof which include the laminated surface material.

Abstract: A mitered joint assembly having first and second furniture components joined by a bracket is disclosed. The components define interior surfaces. The interior surfaces have longitudinally extending pilot grooves. The pilot grooves engage one another. A bracket having legs is mounted adjacent the interior surfaces of the furniture components. The legs of the bracket each include at least one opening for receiving fasteners which extend through the openings. The fasteners are received in the grooves which act as pilot holes and as alignment means. The bracket has an inner surface and an outer surface. The inner surface includes tongue means consisting of projections which are received in the pilot grooves for aligning the components.

Abstract: A frame is adapted to surround a liguid-filled sack and a rigid support. The sack is placed on the upper surface of the support so as to constitute the cushion-like upper portion of a water bed. The frame has four rails which are interconnected to form a rectangular shape. The frame includes at least two, preferably four, detachably interconnected sections. The rails may be made of ethyl vinyl acetate. Alternatively, each of the rails has a tubular foam body and a rigid central rod fitted within the tubular foam body. In one embodiment, the frame includes four rails, four corner elements and four coupling units interconnecting the rails and the corner elements.

Abstract: A self-clamping spline and mortice joint is utilized at each of the corners of a rail and stile door. Mortices in each of the rail and stiles extend to the top or bottom edges of the door and a spline is received in the mortices and is exposed along the top and bottom edges of the door. Screws extend through the spline in opposite directions and into the rail and stile functioning to pull the rail and stile together around the spline. The self-clamping joint requires no external clamping. The self-clamping joint may be used on a plank-type door where the spline is L-shaped with one leg extending into the mortices and the second leg extending horizontally over the door end edges to cover the ends of the vertical grooves in the faces of the door. Weatherstripping on the door frame engages the horizontal leg of the spline and prevents transmission of air and moisture from the outside to the inside through the grooves.

Abstract: Hollow frame members (1, 11), having openings (2, 12) to hold a picture along its longitudinal direction, and having connection faces (3, 13) cut to 45.degree. at its ends, receive each insertable leg part of an L-shaped corner connection fitting (5, 15). The frame members (1, 11) connect to each other in perpendicular relationship to form a square form. One stage or two stage engaging means consisting of stoppers (6, 16) and stopper holes (4, 14) at the corner part of the frame members enable expansion of the frame surface, allowing for assembly or disassembly, and easier replacement of pictures. Spring parts or guides (7, 17) are formed on the corner connection fittings (5, 15), to eliminate looseness of the frame members, and to make insertion and withdrawal smoother. The stoppers (6, 16) can be formed as one body with the corner connection fittings (5, 15) with a resin having elasticity to make the manufacturing of the corner connection fitting easier.

Abstract: This invention is directed to a stretcher frame assembly for mounting fabrics such as are used by artists for mounting canvas for painting and other works. The stretcher frame comprises interconnected frame sections having ridges on the inner periphery thereof to which the edges of the fabric are secured by removable means such as spring clips. The stretcher frames are particularly suitable for use in art classes where such frames may be reused.

Abstract: The present device is for joining frame members for a picture frame, in which a handle and engaging walls are formed integral with a base plate. Elongated grooves are cut through the base plate in parallel with the engaging walls, respectively, so that the elasticity of the base plate is further enhanced. Push-down grips are extended from the base plate in parallel with the elongated grooves, respectively, whereby the bending of the base plate is facilitated and therefore the disengagement of the stoppers is effectively accomplished, enabling easy removal of a first frame member.

Abstract: A window insert assembly is disclosed having a spring-biased frame construction used to secure the insert within existing window frames of varying size. The insert assembly is particularly useful for mounting interiorly of an existing window pane to form a "double pane" insulative window structure, i.e., by creating a thermal cavity between the interior side of the existing window pane and the window pane of the insert. The insert assembly comprises a solid pane, such as a glass pane, mounted in a first frame. The first frame is received within a second frame which has movable sides for changing the size of the second frame. Springs are provided between the second frame and the first frame, preferably on all four sides of the rectangular window insert assembly, which bias the second frame outwardly relative to the first frame. The size of the second frame is adjustable by pressing one or more sides against this bias to fit the insert within an existing window frame in which it is to be installed.

Abstract: A corner construction method and apparatus is disclosed including an extrusion construction for mating with and joining a pair of side panels. The extrusion includes a plurality of surface sections defined in cross-section by at least one elongate rib section, squared corners positioned at one end of the rib section, a pair of external leg sections at the other end of the rib section and a pair of internal leg sections parallel to the external leg sections and located along the rib section substantially midway between the squared corners and the external leg sections. A normal projection of each internal leg section onto the adjacent external leg sections ends substantially halfway along the length of the external leg section and apertures are provided for passing screws through the portion of the external leg section beyond that normal projection. The internal leg sections are substantially half agains as thick as the external leg sections.

Abstract: A closed frame is formed of a series of longitudinal pieces and a series of interlocking corner elements acting to hold the frame in assembled relation.

Abstract: A stretcher frame comprises a plurality of frame parts which face one another at their corner surfaces. A rotary stretching element has portions thereof extending into both recesses of opposing corner surfaces to prevent relative movement between the parts in a direction parallel to an axis of rotation of the stretching element. The stretching element includes a first bearing surface bearing against a wall of one frame part, and a second bearing surface bearing against a wall of the other frame part. The second bearing surface is non-symmetrical relative to the axis of rotation whereby the frame parts are spread apart in response to rotation of the stretching element.

Abstract: A framing bar connecting method for forming a frame by connecting adjacent framing bars with framing bar connectors. Each framing bar connector comprises: an L-shaped connecting plate having right-angled first and second arms, a slot formed in the first arm and threaded holes formed in the second arm; an L-shaped bottom plate having right-angled first and second arms and an opening formed in the first arm; and a lever provided with a cam at the base end thereof.

Abstract: A corner piece for use in a spacer tube assembly includes a pair of arms each adapted to enter into and engage within an end portion of a respective spacer tube; hinge means defining a hinge axis and permitting said arms to be pivoted into a generally right angle relationship with each other; and friction means on each of said arms adapted to come into close contacting relation with each other as said arms are pivoted toward said right angle relationship to frictionally retain said arms in said generally right angle relationship.

Abstract: A framing bar connector for firmly connecting adjacent framing bars of a frame through a simple action without requiring any special tool. The framing bar connector is formed in the shape of a bifurcate lever having a pair of legs each provided at the respective free ends thereof with eccentric cams, respectively. In assembling a frame, the eccentric cams are inserted in dovetail grooves formed in the backsides of the adjacent framing bars, respectively, and then the bifurcate lever is fully turned down, so that the eccentric cams engage firmly with the respective bottom surfaces of the dovetail grooves and the inner surfaces of flanges defining the dovetail grooves, respectively, to connect the adjacent framing bars firmly.

Abstract: A register for an air duct is made up of extruded L-shaped members that have perpendicular integrally formed frame and duct inset parts locked in butting relationship at mitred ends by flat corner clips with resilient barbs that slip into and bitingly engage channels along the frame parts of adjacent members. End clips slip over the distal edges of the duct inset parts to secure the backs of adjoining members. Curved blades extend horizontally in louver fashion in front of pivotable vertical damper vanes across the register opening to provide airflow control.

Abstract: A corner construction fastening one cabinet plate member to another cabinet plate member by using a joining element, the cabinet plate members having a pair of inner and outer walls at both sides and the joining element having a body to support the walls and under sides of the members and two extensions to be inserted into slots formed in end portions of the walls.

Abstract: A cupboard, more particularly a bathroom cupboard, contains a housing consisting of at least two profiled parts which are joined together in a corner-area at an angle of less than 180.degree.. The purpose of the invention is to make it possible to build the cupboard at low production and assembly costs and without the use of corner connections. The profiled parts consist of a single initially straight profiled rail in which, for the purpose of producing the relevant corner-area, a cut is made from the outside. Located in the vicinity of the inside of the corner-area is a continuous strap which joins the profiled parts together, a clamping element being inserted into the gap obtained upon bending.

Abstract: A furniture front element like a cabinet door, of which the frame leg members are joined in mitre cut and without any screwed connection. The lengths of the leg members are infinitely adjustable and the frame filling pieces are designed as a storage means in order to be able to change the front surface of the element to the desired extent.

Abstract: In a window frame assembly having hollow frame members, a joint interconnecting the ends of two adjacent frame members is described. The joint includes a rabbeted miter cut and an anti rack and twist component. These features act synergistically to align and firmly joint adjacent frame members.

Abstract: A polygonal frame comprising a plurality of framing pieces and the same number of assembly devices. Both ends of each framing piece are slanted so as to fit together with matching slanted framing pieces. The rear side of each framing piece is set with an oblong recess and a longitudinal slot on an appropriate position proximate to each end thereof. Each assembly device comprises: an L-shaped assembly plate which consists of an L-shaped plate portion, two inclined supporting blocks disposed under opposite sides of the plate portion, and an L-shaped supporting rail with each of its two ends connecting to the two opposite supporting blocks; two inclined fastening blocks, each having a lengthwise groove on its lower central portion and a threaded vertical hole to enable a screw to go through; and two screws for engaging with the fastening blocks.

Abstract: A pair of angularly related interconnected steel trim elements having a mitre joint therebetween have a continuous layer of plastic material bonded upon one side of the trim elements. A corner connector reinforcement sheet of plastic material is positioned upon the plastic layer, spans the mitre joint and adjacent portions of the trim elements. A layer of adhesive upon one side of the connector sheet is in surface engagement with the plastic layer providing a rigid connection therebetween. The method of making a window frame trim assembly comprises bonding a layer of plastic material upon one side of a metallic strip, rolling its opposed longitudinal edges into transverse C-shape defining an elongated channel, cutting a series of spaced notches transversly of the channel through one edge and across to the other edge, defining a series of interconnected trim elements and successively bending adjacent trim elements into engagement closing the notches to form a series of spaced mitre joints.

Abstract: A frame formed by frame sections joined end to end; each frame section having an elongated channel with a rear wall, spaced apart lips opposite the rear wall and defining a longitudinally directed slot and a side wall joining inner edges of each of the lips to a different edge of the rear wall. Securing adjacent pairs of the sections is a bracket having a pair of legs disposed at an angle substantially identical to the angle made by the frame sections, the legs fitting within the channels of said frame sections at their corner junction and having a width greater than the width of the slots so as to retain the bracket within the channels. A screw with an externally threaded shank is received by a threaded hole in each bracket leg.

Abstract: A clamping device for holding adjacent framing members of a metal picture frame together in mitered relation, is described as having an L-shaped steel plate comprised of two outstanding legs. Each leg is provided with a rotatable lever with a special cam that is designed to contact the framing members to cause frictional engagement between the legs and adjacent members when the members are in mitered relation.

Abstract: A window insert assembly is disclosed having a spring-biased frame construction used to secure the insert within existing window frames of varying size. The insert assembly is particularly useful for mounting interiorly of an existing window pane to form a "double pane" insulative window structure, i.e., by creating a thermal cavity between the interior side of the existing window pane and the window pane of the insert. The insert assembly comprises a solid pane, such as a glass pane, mounted in a first frame. The first frame is received within a second frame which has movable sides for changing the size of the second frame. Springs are provided between the second frame and the first frame, preferably on all four sides of the rectangular window insert assembly, which bias the second frame outwardly relative to the first frame. The size of the second frame is adjustable by pressing one or more sides against this bias to fit the insert within an existing window frame in which it is to be installed.

Abstract: A clamping device is described as being a flat plate with depending flanges or arms which extend, firstly, from opposing marginal edges of the plate in a direction normal to the plane of the plate and, secondly, towards each other in a plane parallel to the plane of the plate and, lastly, terminate at free distal ends which converge towards each other in the direction of an opening in the plate, which opening threadably receives a screw which, when rotated into contact with the distal ends, causes expanded movement of the plate and arms into compressive relation with adjacent walls of a channel in which the device is employed as a fastening mechanism.

Abstract: A fishplate comprises two portions 18 and 19 which are set at 120.degree. to each other. The fishplate has two edge portions 21,22 which are bulbous shaped and are joined by flat portion 23 in which there are rectangular apertures 24 for bolts to pass through. At the inner edge of the fishpate is a curved indentation 25 which is adapted to accommodate the junction of the RSJs forming the colliery support. Without this indentation, if the inner edge followed the line 26 the portion marked 27 would foul the RSJ beams.The curved portion is formed in the bulbous inner edge 22. The symmetry of the fishplate enables it to be used in either the right hand or left hand position and it is so shaped that is will fit snugly into the flanges of the RSJs.

Abstract: A window spacer assembly is disclosed having tubular members interconnected by corner pieces. The corner pieces are provided with flexible fingers which create an interference fit with the tubular member ends and resist forces which tend to pull the assembly apart.

Abstract: The clip fastener comprises two mutually substantially perpendicular walls forming a corner and two ribs protruding perpendicularly with respect to the walls. The ribs are arcuate, and each have an intermediate portion which is located at a greater distance from the corner than end portions thereof.

Abstract: A clamping device for holding framing members of a metal picture frame in fixed rectangular relation, is described as being formed of lightweight steel and having an L-shape formed of two legs, each of which is U-shaped. Means coacting between the device and framing members are provided to secure the device in place where it holds a pair of adjacent framing members in mitered relation.The clamping device is also utilized to clamp a picture frame holder to one of the framing members.

Abstract: There is described a frame comprised of sectional shapes and comprising assembly means joining same in every junction location thereof, and hanging means, the sectional shapes each having two lengthwise projections wherebetween the articles to be framed are arranged, said means being comprised in each frame corner, on the one hand of an element with two legs the angle of which is equal to the frame inner angle as formed by two sectional shapes where same join, each said legs being so designed as to cooperate by interlocking with the projection from one both said sectional shapes, and on the other hand of means so arranged on the legs as to fix each leg relative to the corresponding projection.

Abstract: A metallic picture frame construction including corner frame elements which connect rectilinear segments in an attractive manner in which the interconnecting screws are concealed from view. The corner elements surround the ends of the rectilinear segments, and they are maintained in engagement solely by compressive forces exerted by the screws making unnecessary the drilling of holes in the rectilinear members. The invention has application to wood rectilinear segments as well, using wood screws which penetrate the corner elements and the rectilinear segments.

Abstract: A fixture having a plurality of upright panels and a top joined together with connectors. Adjacent edges of the panels have complimentary beveled faces and aligned grooves extended normal to the beveled faces. The connectors have flat webs located in surface engagement with the beveled faces of adjacent panels. Flanges joined to the outer end of the webs engage the panels and cooperate with lips joined to the inner end of the web located in the grooves to hold the panels in a structurally stable and tight sealed engagement with each other.

Abstract: A window sash formed preferably of plastic and having a pair of horizontal upper and lower rails and vertical stiles. The rails and stiles are extruded to form a principal outside edge wall for the sash and a plurality of additional walls and bosses within each of the rails and stiles perpendicular to said outside wall, including a pair of walls forming a channel with said outside walls. The stiles and rails are diagonally cut at the ends to form a miter joint. The miter joint is integrated by a single screw passing at each corner from the rail into the stile. One or more of the bosses and walls within the rail forms a support for the screw at each corner which will prevent angling of the screw. Each of the stiles has at least one boss for receiving the screw, said boss extending longitudinally of the stile. The single screw at each corner is therefore anchored against any angling both with respect to the rail and the stile and thereby forms a secure, non-slip miter joint.

Abstract: Stretcher bars are provided, each having face and rear mitered sections and a tongue therebetween, the tongue cooperating with a mitered section to define a slot. At least one tongue section of each stretcher bar defines a bevel on a portion thereof remote from the side defining the slot to facilitate ready entry of the tongue sections into slots of mating stretcher bars in non-interfering relationship with the tongue and miter sections of mating bars.

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 device for joining frame members of a picture frame of the type comprising a pair of upper and lower frame members, a pair of side frame members and four joint members, each frame member being integrally formed with a laterally extended groove into which are inserted a glass plate and a back plate and a dovetail groove into which is inserted the joint member, characterized in that a ridge is extended at the bottom of each frame member in the longitudinal direction thereof; and handles with cam surfaces for frictional engagement with the dovetail grooves of the frame members are pivotably attached to each joint member.