Abstract: A vent assembly for electrical equipment comprising a panel for covering the equipment in which the panel has at least one elongated slot extending therethrough, a front side, and a rear side. A box member is secured to the rear side of the panel over the slot with the box member having a first elongated plate extending outwardly from the rear side of the panel on one side of the slot and an elongated second plate extending from an outer end of the first plate over the slot at an angle to the first plate. The second plate has an outer edge. An elongated flange extends from the rear side of the panel on the other side of the slot at an angle to the panel which is generally directed toward the box member. The flange has an outer edge and is of sufficient width to intersect a straight line taken from the side of the slot nearest the box member to the outer edge of the second plate.

Abstract: A pergola having a top comprising a plurality of wooden strips aligned in parallel relationship with a bottom planar face inclined to the mutually parallel side faces so as to provide a support orientation easily determinable and effective to provide differential shading from the sun by reason of the change in inclination of the sun during the seasons of the year.

Abstract: A bulk storage building structure for storing grain, dried clay and other granular products in which the normally encountered lateral pressure exerted on the walls of the structure is minimized by the spaced, slatted configuration of the walls which accommodates the angle of repose of the stored material. This configuration effectively increases the total available surface area of the structure such that the structure may be made as large as is necessary of practicable without the expensive wall reinforcements required for conventional storage structures.

Abstract: A fence structure is described consisting of modular panels mounted on posts. The modular panels are of thermoplastic or thermoset material having a rail portion and a connector at each end for fitting over the posts. The connector has an integral expansion joint in its central passage and each connector is offset in opposite directions to the longitudinal center of the panel to provide a hinged effect with the connectors of adjacent panels in the fence. The construction is readily adaptable to sloping ground and variation in height between panels and provides simplified installation by easy alignment.

Abstract: A louver solar panel comprising spaces parallel corrugated louvers extending between channel-like side members. The louvers have flat sided adjoining corrugations the sides of which are about equal in width and are about normal to one another. The louvers are oriented at angles of about 30.degree. with the lengths of the side members, do not overlap and have a heat absorbing surface on the sides thereof to be exposed to solar radiation.

Abstract: A screen structure which includes a number of interspaced carrier members and at least one long screen member having a base flange which is adapted to be mounted in a holding track through a tilting insertion motion. At least one edge portion of the base flange and a remaining space is left behind the edge portion and the respective holding track. Profiled filler members are endwise insertable into at least a partial length of the remaining space for stabilizing the base flange relative to the carrier member. At least one end of each filler member has a longitudinally projecting end portion forming a resiliently bendable finger of a reduced cross section such that, during an insertion, the finger is bendable away from an adjacent wall portion of the carrier member. The outer end portion of the finger is provided with a lateral protrusion which is adapted to snap outwardly behind an end or recess edge thereof by the end of the insertion.

Abstract: A clip for mounting a wall or ceiling panel structure having a plurality of panels in which the panels have inturned rims on their longitudinal edges and preferably beads on the rims. The clip has a body having downwardly extending first members preferably adjacent one edge and a downwardly extending fourth member preferably adjacent an opposite edge.A second downwardly extending member having lateral lugs is adjacent and spaced from the first member by an amount to accommodate two rims. A pair of third downwardly extending members is shaped to enable two panels to be spaced from one another and is also provided with a lug so that the clip may alternatively be used for mounting a panel adjacent a wall surface.

Abstract: A retaining clip adapted, inter alia, for mounting a motor vehicle louvre over a vehicle rear window and wherein the retaining clip has a flat part for extending between a window and elastomeric bead whereby the window is mounted. The flat part terminates in a transverse portion and return lip such that the edge of a window is, in the operative position, located between the flat and return lip thereby making removal of the retaining clip extremely difficult.

Abstract: A louver assembly adapted to be mounted to the rear window assembly of an automotive vehicle, having an end cap construction and a plurality of elongated channel members, the end cap construction having a plurality of identical right hand end caps and a plurality of similar but reverse formed left hand end caps, a pair of side rails to receive the end caps, a detent structure for locating and securing the channel members in alignment with the associated one of the end caps, the channel member being of a preselected length to connect right hand and left hand end caps in a predetermined spaced relationship whereby the louver assembly will be of the desired width to fit the rear window assembly, the side rails being of a preselected length to accept a selected number of associated end caps whereby the louver assembly will be of the desired length to fit the rear window assembly, an adjustable hinge assembly to permit pivotal movement of the louver assembly relative to the window assembly and being adjustable to

Abstract: A decorative ceiling or wall covering system having carriers to be affixed to the ceiling or wall, and panels extending essentially transversely to the carriers. Tabs are integrally provided on each carrier for connecting the panels thereto, and are respectively located at opposite longitudinal marginal portions of the carrier at predetermined substantially equal distances and shaped to hold the panels in place on the carrier.

Abstract: A louver assembly adapted to be mounted to the rear window assembly of an automotive vehicle having a pair of integrally formed, one piece end cap unit and a plurality of elongated channel members, the end cap unit having a plurality of identical right hand end caps and a plurality of similar but reverse formed left hand end caps, a detent structure for locating and locking the channel members in alignment with the associated one of the end caps with resilient bias means for enhancing the lock and minimizing noise, the channel member being of a preselected length to connect right hand and left hand end caps in a predetermined spaced relationship whereby the louver assembly will be of the desired width to fit the rear window assembly, the end cap units being of a preselected length to provide a selected number of end caps whereby the louver assembly will be of the desired length to fit the rear window assembly, the end cap units being generally flexible between adjacent end caps whereby the end cap units can f

Abstract: A louver in which some louver blades have water breaks for catching water that drops onto such louver blade from above. A top cap includes a lip portion which has an inwardly directed lower portion which directs water onto a louver located beneath the top cap.

Abstract: A simple, reliable and inexpensively manufactured sunshade for attachment to the interior surfaces of an automotive window is devised by providing a pair of ribs which are adhesively attached to the interior surface of the window. Each rib has a plurality of ring-shaped louver fixtures attached to the rib and aligned such that the pluarlity of ring-shaped fixtures attached to one rib substantially lie in a plane parallel to the longitudinal axis of the rib. The pair of ribs are aligned so that each ring-shaped fixture has its axis of symmetry approximately aligned with a corresponding ring-shaped fixture on the opposing rib. Elongated, resilient louvers are disposed through the aligned ring-shaped fixtures by the user so that the louvers are held by a pair of ring-shaped fixtures in a substantially parallel plane, perpendicular to the elongated axis of the ribs.

Abstract: A louver solar panel comprising spaces parallel corrugated louvers extending between channel-like side members. The louvers have flat sided adjoining corrugations the sides of which are about equal in width and are about normal to one another. The louvers are oriented at angles of about 30.degree. with the lengths of the side members, do not overlap and have a heat absorbing surface on the sides thereof to be exposed to solar radiation.

Abstract: The upper edge of an awning slat that is suspended obliquely in position is bifurcated into a channel-like structure running along the edge, having inwardly projecting beads on the free edges of the channel. For suspension of the slat, at various places along its length, the beaded channel is forced to spread and snap into notches behind twin barbs of a bracket. Each bracket has parallel ridges bending out from a base to meet the bifurcated grasping webs of the awning slat, the ridges of the bracket being barbed, so as to provide an oblique surface to spread the connecting webs of the awning edge apart until their beads snap into grooves between the barbs and the bracket base. The awning slat with its bifurcated edge is integrally made by extrusion of aluminum alloy and the brackets are relatively short pieces of aluminum alloy extrusions.

Abstract: The combination of a decorative non-functional window shutter and a one-piece plastic fastener, and a method of mounting the same to a building wall. The shutter is made of molded plastic or aluminum. The fastener is of non-corrosive plastic construction having a plurality of angled resiliently-deformable teeth which, when inserted through a hole in the shutter into a mounting hole formed in a building wall, tend to flex in the direction of insertion and tend to return to their original position to resist removal.

Abstract: A plurality of stamped sheet-metal louver vanes are supported in relatively fixed, parallel relation at each end by a pair of extruded metal side channel members having longitudinally extending slots into which marginal end portions of the louver vanes are inserted. The louver vanes are securely retained in place with the use of metal clip members supported in through openings in marginal end portions of the vanes, the clip members being operative, upon such insertion of the vane end marginal portions to interhookingly engage inner hook wall portions of the side channel member slots.

Abstract: A false ceiling for use in removing and/or dissipating contaminants in a room including a plurality of ceiling elements, each of which has an arcuate configuration, the concave surface of which is directed downwardly, and the convex surface of which is directed upwardly, the ceiling elements collecting and draining off contaminants in the form of condensate into collecting channels which are supported by support members on which the ceiling elements are also supported, the ceiling elements being defined by spaced apart parallel arcuate walls that define an air circulating passage therebetween, a plurality of spaced openings being formed in each of the walls to permit the free flow of air therethrough, the location of the openings in one of said walls being staggered relative to the location of the openings in the other of said walls.

Abstract: An engine enclosure (10) has a noise suppression arrangement (15,15a,15b) mounted thereon including a plurality of acoustical energy absorbers (20,20a,20b) and sound reflectors (24,24a,24b) spaced from the absorbers to provide airflow passages (26,26a,26b) therebetween. The noise suppression arrangement (15,15a,15b) efficiently absorbs and reflects acoustical energy and exhibits a low space to sound absorption efficiency ratio in comparison to conventional noise suppression arrangements.

Abstract: Louver structures having horizontally disposed overlapped members, whereby in one disposition, the louver structure sheds precipitation at one of its sides, and in reversed inverted disposition, the louver structure sheds precipitation at the other of its sides, in said one disposition the louver elements projecting from a wall in which the louver structure is installed, and in said reversed inverted disposition the louver elements being recessed into the wall in which the louver structure is installed.

Abstract: A louver assembly that includes a rectangular frame. Vertically spaced louver blades span side members of the frame. A gutter member overlies the louver blades and underlies an upper member of the frame. The gutter member includes an outer wall panel having an upper edge terminating beneath an outer face of the upper member to define a transverse water inlet opening receiving rain water from the upper member and from a wall thereabove. Downspout means in one of the side frames receives water from the gutter member. Water from the louver blades is also received in one of the side frames but the water from the gutter member is isolated from the louver blades.

Abstract: A shutter comprised of laterally spaced apart extruded plastic side frame members or rails having a track on their respective rear sides which extends over the length of the member. Panels, such as louvre panels, have runners which slide on the tracks in interlocking fashion to form a shutter assembly. The shutters are adjustable to any desired window or door height by cutting off parts of the runners of the louvre panels so as to eliminate one or more louvre slats and also cutting off an equal length from the frame members. The upper and lower end panels are secured with pins which pass through the frame members so the panels cannot slide from the tracks.

Abstract: A shutter assembly for use on an exterior wall surface at a window opening or the like, the shutter assembly consisting of a frame and a panel formed of an expanded metal sheet, the expanded metal sheet being provided with a plurality of air vent defining means. The side or jamb members of the frame and the upper and lower frame members are each provided with improved means to hold an expanded metal sheet of novel design within the frame so that it can withstand high loading imposed upon it as for example during a hurricane. In addition, an improved method of assembling the shutter is disclosed herein.

Abstract: A high thermal efficiency window which is comprised of a low conductivity ame carrying a spaced pair of panes or lites. The space between the panes is divided into a series of vertically spaced-apart cells by a blind structure disposed between the panes, the slats of the blinds being essentially in contact with the interior faces of the panes whereby convection losses are minimized. The device is characterized by the blind being shiftable between an open or see-through configuration and a privacy configuration, the longitudinal edges of the elements defining the blinds being in contact with the interior faces of the panes in both said see-through and privacy configurations thereof.

Abstract: Provided is an adjustable motor cover designed to protect outdoor electric motors from sun and rain. The cover, made of a plastic material, is open-ended and has a generally LL-shaped configuration and is comprised of a pair of spaced parallel side panels and a top cover formed with longitudinally extending lateral recesses in which the side panels are slidably received. Detachably mounted within the cover interior are a pair of transversely-disposed motor clamps adapted to clampingly embrace an electric motor and, for this purpose, the motor clamps are formed with a base detachably mounted on the top cover inner surface, and concave sections oriented downwardly from the base, the concave sections having a curvature conforming closely to the accurate periphery of the motor accommodated within the clamp concavities.

Abstract: This invention provides a solar collector construction consisting of two spaced-apart rigid panels with aligned edges, and a flexible web structure with a width substantially the same as the desired spacing between the panels. The web is strung in tension between spacing elements at the edges of the panels, thereby to define a plurality of adjacent chambers having small vertical dimension and extended horizontal dimension. The chambers function to limit the convective heat interchange between the panels.

Abstract: An adjustable length decorative shutter is shown which can be varied in height to fit a variety of window heights. The shutter includes a series of spaced parallel panel assemblies, each of which includes a main panel member and an end panel member mounted to each of the opposing ends of the main panel member in telescoped mating relation therewith to thus provide adjustability in the length of the panel assemblies. Connector members serve to secure the respective groups of end panel members together, such connector members being arranged to conceal the inner end parts of the end panel members to impart a unitary appearance to each of the panel assemblies.

Abstract: A false ceiling wherein a frame supports a set of elongated parallel horizontal trough-shaped slats each of which resembles or constitutes a portion of a hollow cylinder. The slats have longitudinally extending openings flanked by elongated marginal portions. The opening of one of each pair of neighboring slats faces upwardly, and the opening of the other slat of such pair faces downwardly. One marginal portion of one slat of each pair of neighboring slats extends into the interior of the other slat of the same pair and vice versa, and such marginal portions are spaced apart from each other to define passages wherein air can flow from the upper side to the underside of the false ceiling or in the opposite direction. The slats whose openings face upwardly collect liquid and/or solid constituents of air which flows upwardly and impinges against the concave undersides of slats whose openings face downwardly.

Abstract: A decorative building panel is disclosed for mounting on a wall surface. Particularly, a panel in the form of an imitation shutter. The panel is more rigid than present types of simulated shutters, also the panel may be shipped to the site in kit form and easily assembled in the field. The panel has a plurality of slats arranged side by side and at least two spaced apart straps extending across the slats. Connecting means are provided at each of the intersecting positions between the straps and the slats, the connecting means being integral with each of the straps for rigidly connecting the straps to the slats, and spacer means at each of the intersecting positions for spacing the panel from the wall surface.

Abstract: A liquid cooling tower has a series of vertically spaced rows of unitary louver panels for controlling air flow into the tower and for preventing escape of liquid falling through the tower. The panels are non-planar, and they are shaped so as to increase their stiffness for withstanding wind and ice loads.

Abstract: An energy absorbing venetian blind type device for generating electricity, roviding heat, and serving as a sun shade. A plurality of slats covered with an array of photovoltaic cells are enclosed between two panes of glass of a window housing. A heat removal system using forced air cools the photovoltaic cells and collects heat for heating purposes elsewhere. The electricity generated by the photovoltaic cells is collected for immediate use or stored in storage batteries for later use.

Abstract: A drainable blade louver comprises a pair of spaced-apart vertical members supporting a multiplicity of elongated, horizontally extending, inclined blades, each of which is of uniform cross section along its length. Each blade has an upwardly open front drainage trough located adjacent the front edge of the blade and at least one second upwardly open drainage trough located in at least about the front one-third of the blade closely adjacent the front trough. Each of the troughs is defined by spaced-apart front and back walls, the upper edges of which are preferably located in a plane substantially parallel to the airflow streams passing between the blades, and a bottom wall spaced a substantial distance below the upper edges of the front and back walls such that the splash from water drops impinging on the bottom walls of the troughs is largely confined to the zone bounded by the walls of the troughs thereby minimizing entrainment of water in the airflow streams.

Abstract: The invention relates to a grille or grating for fitting in the floor or wall or ceiling of an enclosed space, for example at the terminal outlet of a ventilating or air conditioning duct, and provides a grille which comprises a plurality of blades of generally rectangular cross-section which are press-fitted into spacedly arranged slots of a series of mullions. Said blades are received in said slots by spring clips located one in each slot and which clips have projections which lock said clips in said slots when the blades are inserted and reverse barbs which prevent withdrawal of said blades.

Abstract: A vehicle sun-shade of the louvre type formed from plastic wherein sagging due to high temperature imparted to the plastic is reduced by the use of a spacer rod passing through bushes in which it is frictionally engaged, the bushes being in the louvres and between their ends.

Abstract: A substantially rain-proof louver for mounting in an outside wall of an enclosure. The louver has a perimeter frame and plurality of blades extending across the frame, the blades being upwardly inclined from the outer edges to their inner edges. Each of the blades has a gutter element extending along its outer, lower edge. The gutter element is defined by the lowermost portion of the blade, a vertical flange and a downwardly and inwardly inclined anti-splash lip at the upper edge of the vertical flange, the anti-splash lip overlying, at least in part, the lowermost portion of the blade and extending toward the blade.

Abstract: A pellet casing is formed with concave louvers which cause volume reducing inward flexing of the casing when heated, and simultaneously provide low gas flow resistance therethrough.

Abstract: A panel device, particularly a sign board is made up of at least one channel-section display member having a plain front face of predetermined width force fitted onto a support member, which is an extrusion-formed item, by interaction between the legs of its channel and projections on the support. The projections on the support are arranged in pairs and the pairs are regularly spaced apart along the support. The spacing between pairs is the same as increments in width as between different display members so that display members of the same or different widths may be fitted to the support member. The plain face of the display member is to bear indicia or the like.

Abstract: A pellet holding casing disposed in a container is formed at its wall sections with a plurality of louvers that extend outwardly away from the casing. Each of the louvers is formed with at least one channel shaped corrugation in substantially the top portion thereof for providing the converter with improved characteristics with respect to flow resistance and thermal expansion.

Abstract: The present invention relates to an improved grating structure comprising carrying bars, and a plurality of ribs interlocked in said bars. Each of said ribs has holes strategically placed on their extremities such that a locking rod may be inserted through said holes so as to tie the ribs to the carrying bars. The grating structure may be further stabilized by the utilization of locking plates on the ends of the carrying bars.

Abstract: A system for functional and decorative covering of windows and the like providing a plurality of louvers in association with a louvered support system. The louvers include means for attaching wallpaper, reflective materials and other covering materials to each louver in a convenient manner.The covering materials are held on each louver by flanges running along each elongate edge thereof. Further, the covering materials are held from sliding longitudinally along each louver at a single attachment point. A backing material of rigid construction may be employed with thin wallpaper and the like.

Abstract: An integrally molded one-piece ornamental plastic shutter having marginal portions providing peripheral front surfaces and inner and outer top, bottom and side surfaces. A plurality of discrete slats extend between the inner side surfaces. The slats slope downwardly and are parallel to and spaced from one another. Their lower edge portions are extended rearwardly to simulate the appearance and the rigid feel of the slats of a conventional wooden shutter.

Abstract: A vented metal umbrella kit comprising a pair of substantially diametrically divided, prefabricated canopy half-sections, each half-section of which is prefabricated of a plurality of elongated sheet metal channel members tapered from end to end and secured in relatively side to side, interstraddling, fan-like relative disposition, a vertical support structure having a support arm adjustably secured at one end and a support disc removably attachable to the outer end of the support arm, means securing the umbrella half-sections in depending relation about the support disc, and a cone member of greater diameter than the support disc removably securable over the support disc and the attached end portions of the canopy half-sections assembled thereto.

Abstract: A series of upright, longitudinally extending baffles are supported in parallel array, with the transverse or secondary baffles being formed by twisting out of the webs of the primary baffles an area initially separated by slots which leave a stem connecting the secondary baffle with the web at two opposed positions, normally the top and bottom. When the secondary baffle is twisted, each of the webs is twisted, as to 90.degree., to support the secondary baffle transversely to the primary baffles. Normally, the secondary baffles extend the same distance to each side of the corresponding primary baffle. The secondary baffles of one primary baffle are normally interspaced with the secondary baffles of the adjacent primary baffles.

Abstract: A louvered shutter of molded plastic adapted for mounting on a building wall and including a body and a peripheral flange, the improvement which comprises a corner reinforcing and mounting block, nested and secured within the internal corners of the shutter and secured thereto. Each corner block includes a honeycomb base and a pheripheral flange. The base defines a series of apertures to selectively receive a fastener which extends through the shutter corner, through an aperture in the corner block and into said wall.

Abstract: A louvered hot and cold insulating window for admitting light to a building, characterized by the use of at least one pair of horizontally level superposed transparent panes sealingly held in spaced relationship to contain a layer of still air to serve as a heat and cold insulator, and structural means including light reflecting louvers arranged to sealingly support said transparent panes and to form a sash that can be selectively inserted in the walls of a building where in one position for use in cold weather the top of said pair of panes is facing the inside of said building and the underside is exposed to the outside of said building, and in a reversed position for use in hot weather said top is exposed to the outside of said building and said underside faces the inside of said building.

Abstract: A sunshield is provided for an automotive vehicle formed from a single sheet of laminar material. A plurality of transverse louvers are formed in the sheet material in parallel alignment for horizontal orientation when mounted on the vehicle. Each of the louvers has a central portion which extends rearward from adjoining lateral portions. Longitudinally aligned stiffening ribs join and support each of the louvers at the demarkations between central and lateral portions to the louver immediately below and to the rear thereof, or to the border in the case of the lowest louver. Metal tabs are provided at predetermined intervals for securing the sunshield in position to cover the rear window of an automotive vehicle.

Abstract: An improved roof ridge ventilator is provided having a peaked hood, descending sidewalls, horizontally extending panels and a dam arrangement defined by a vertically extending, reversed bent inner sidewall. Flashing sections are integral with the inner sidewalls. A plurality of rows of vent passages are formed in the panels. Each row of these passages is hooded by oppositely disposed, alternating offset straps. Vent passages are provided along the outer edge of the panels and are partially covered by downwardly and inwardly inclined baffles.

Abstract: A combination louver and window sash assembly includes a plurality of louver boards extending horizontally and each having a cross-section of substantially inverted-Y shape. A pair of parallel, vertical sash frames having vertically extending slots faced in opposed relation to one another and including pairs of cutout recesses formed in the marginal edges of the slots. The louver boards have their horizontal ends thrusted resiliently through the slots and received snappingly in the cutout recesses.

Abstract: An imitated jalousie door or shutter including a frame having a jalousie block mounted therein and a method of making such a door. The jalousie block is constructed from a base plate of relatively non-bendable material having a thin bendable foil bonded to the front and back surfaces of the plate. A plurality of parallel V-shaped slots are cut in the front and back surface of the plate through one layer of foil and completely through the thickness of the plate but not through the second layer of foil. The block may then be folded in a zigzag or jalousied relation to be received and secured by the frame. A similar method is provided for forming the frame.

Abstract: An assembly of plastic louver strips secured by two vertical frames having cut out portions into which the louver strips extend. Louver strips which are flexible can be snapped into place after the frame is in place. Flexible strips can also be removed for cleaning. The vertical frames are slidably assembled into basic frame members and when in place form a space into which the ends of the louvers are positioned.