Abstract: Provided in this disclosure is a pool with a cover to provide shade to the pool's occupants. The cover is supported by poles. The cover can also be raised for use to provide shade and shelter to occupants and lowered to protect the pool from contaminants when it is lowered. The cover can have certain attachments, such as a mosquito net or misters. The mosquito net prevents bugs from entering the pool and misters provide a cool mist for users of the pool. Also provided is a cover having a series of overlapping panels that can be collected into and retracted out of a collector panel.

Abstract: A vehicle window shade that is installable in a secure manner against a vehicle window. The window shade has a screen that is adapted to fit windows of varying heights. The shade comprises a base and a screen coiled and housed within the base and adapted to be extended outside of the base and retracted. At least one clip is pivotally connected to the base. The clip secures an elongated housing of the base in a substantially horizontal plane aligned with an upper or lower edge of a vehicle window. A temperature indicator may be connected to the shade and an attachment device may also be attached and adapted to secure the screen to a flat surface in an extended position.

Abstract: An arched window covering comprising a panel (e.g., having a series of elongated cells) positioned in a fan arrangement defining a central space near a center of rotation of the fan arrangement, a base positioned in the central space, and a support member supported by the base and positioned to provide support to the panel. Preferably, the arched window covering further comprises a rail secured to at least one of two ends of the panel. In one embodiment, the base defines an opening adapted to receive the support member. The support member preferably comprises an elongated member extending from the base toward a radially outer portion of the panel, and a spacer member supported by the elongated member and adapted to hold the elongated member spaced from the panel. In one arrangement, a position of the spacer member relative to the elongated member is adjustable.

Abstract: A pig stopping device for stopping a pipeline inspection gauge in the receiving station of a pipeline is provided. The device provides a cylindrical frame sized to be inserted into the receiving station of a pipeline. The cylindrical frame includes a pair of opposing circular plates having inner surfaces connected by a plurality of elongated rods, thereby forming an interior volume within the cylindrical frame. The circular plates each comprise a plurality of apertures configured to allow the flow of liquid and debris therethrough and into the interior volume. A cage wraps around the exterior of the elongated rods, thereby enclosing the interior volume but allowing the flow of liquid therethrough. In this way, debris pushed into the interior volume of the pig stopping device by a pig or the flow of product in the pipeline is caught therein and prevented from flowing into a bypass line of the receiving station.

Abstract: An arched window covering comprising a panel (e.g., having a series of elongated cells) positioned in a fan arrangement defining a central space near a center of rotation of the fan arrangement, a base positioned in the central space, and a support member supported by the base and positioned to provide support to the panel. Preferably, the arched window covering further comprises a rail secured to at least one of two ends of the panel. In one embodiment, the base defines an opening adapted to receive the support member. The support member preferably comprises an elongated member extending from the base toward a radially outer portion of the panel, and a spacer member supported by the elongated member and adapted to hold the elongated member spaced from the panel. In one arrangement, a position of the spacer member relative to the elongated member is adjustable.

Abstract: An outdoor unit for an air conditioner according to an exemplary embodiment of the disclosure, comprising: a case forming shape and having a suction port suctioning outside air and a discharge port discharging the suctioned air; a heat exchanger accommodated inside the case; a fan that is accommodated inside the case and forcibly circulate air; and a louver assembly revolvably mounted in the case so as to selectively open and close the discharge port.

Abstract: A bogey includes a body having only a single set of support wheels, with one wheel positioned either side of the body. A threaded retainer is arranged for threaded engagement with a shaft of a hanger bolt. The retainer is located in spaced relation from the wheels, whereby the bolt is cantilevered from the body.

Abstract: An operating system for a retractable covering for an architectural opening wherein one edge of the covering is fixed and the opposite edge is movable between extended and retracted positions, includes an endless cord loop having a finger slide that is slidably mounted adjacent to the fixed edge of the covering to effect circulation of the cord loop. Also included in the cord loop is an anchor plate secured to the fabric of the covering adjacent to its movable edge, with the anchor plate also moving with circulatory movement of the cord loop to move the movable edge of the covering between extended and retracted positions. The tension in the cord loop is adjustable through the connection of opposite ends of the cord loop to the finger slide and the routing of the cord loop is directed through cord guides of low friction material so that the entire operation of the covering is smooth and reliable.

Abstract: A security screen (5) comprises: a shutter frame (6) securable in a window opening (1) in a building, with a first side facing the window and a reverse side facing away from the window inwardly of the building; a plurality of parallel blades (7) extending across the shutter frame (6), each said blade having in cross-section a shape which includes a point at each opposed edge of the blade and having a reinforcing axial member (8) extending therethrough and engaged in respective opposing sides of the shutter frame, the blades being linked together and rotatable such that rotation of one blade induces the other blades to rotate simultaneously between a closed position, in which the blades lie substantially parallel to the frame so as to form a continuous shutter, and an open position substantially normal to the closed position; and a sheet of transparent plastic material (10) mounted on the frame and extending across the frame at a predetermined distance from the edges of the blades when in the open position the

Abstract: A retractable shielding apparatus includes an adjusting base, a fixing base, two retractable shields, a shuttle, and a cable. The two retractable shields are assembled to two ends of the shuttle respectively with one corresponding end thereof. The adjusting base and the fixing base are respectively fixed to the opposite other end of the corresponding two retractable shields. The cable adjustably connects the adjusting base, the two retractable shields, the shuttle and the fixing base together. The shuttle is slidably located between the adjusting base and the fixing base and is configured to slide along the path formed by the cable, such that the two retractable shields can be extended or retracted together with the shuttle.

Abstract: A shade for an arched window including an arched track with a movable carriage and a shade member attached to the carriage. A cord actuates the carriage to move along the track and pull the shade member between collapsed and extended positions. A central hub permits the shade member to move laterally as the shade member is moved between the collapsed and extended positions.

Abstract: A shade for an arched window including an arched track with a movable slide base and a pleated blind attached to the slide base. A cord actuates the slide base to move along the track and pull the blind between retracted and extended positions. A top rail of the blind is removably connected to the slide base by a connector and one or more pleats of the blind include connectors which are received within a groove along an inner wall of the track.

Abstract: A blocking element for a gate used as a checkpoint includes a housing having a height, a support having a second height and arranged in the housing, a horizontally directed pivot axis furnished on the support, and a pair of blocking vanes each of which are in a form of a circle sector, wherein the pair of blocking vanes are mounted, by way of a tapering sector inner side of the blocking vanes and such that the blocking vanes can pivot about the horizontally directed pivot axis. A drive motor is connected to the blocking vanes on the pivot axis, wherein the drive motor in response to a signal, slides one of the blocking vanes into the other in a telescopic manner from a position which blocks a passage of the gate into a position, which opens the passage of the gate, and wherein the blocking vanes can be drawn apart from one another in order to again block the passage of the gate.

Abstract: A covering device for surfaces or for windows, doors, or similar openings or zones or for surface portions of the aforementioned items, has at least one covering element, which has movable element parts joined in zigzag fashion and capable of being fanned out and closed like a fan, which can be fanned out into an approximately two-dimensional shape of the covering element and closed to make a stack, and the at least one covering element has two peripheral parts, which either are independent or are formed by parts of the covering element and which in the fanned-out state extend at an angle to one another and which in a common zone are at least essentially brought together, and the element parts in the common zone are held together forming approximately a stacked block, and the stacked block is embodied as an independently freely movable part.

Abstract: The arched window covering comprises a head rail that is mounted to an architectural feature. A mounting track is mounted to the arched architectural feature and a slider track is snap fit to the mounting track. The slider track includes support portions extending therefrom that slidably support a plurality of sliders such that the sliders can be moved relative to the slider track. The sliders are connected to a shade panel such that movement of the sliders on the slider track results in the extension and retraction of the shade panel.

Abstract: The present invention provides a door arrangement for a tunneling machine. The door arrangement is for location at the front of the tunneling machine adjacent to the digging end of the machine. The door arrangement allows for the interior of the machine to be sealed off from the tunnel face, while also allowing for the door arrangement to be opened and allow complete access to the tunnel face. The door arrangement comprises door sections for hinged connection to a tunneling machine, the door sections being pivotable about the hinged connection between a closed position sealing the tunneling machine and an open position allowing the tunneling machine access to a tunnel face.

Abstract: A window treatment for an arch-shaped window including a frame having an arch portion and a horizontal portion; at least one shade panel pivotally connected to a central portion of the horizontal portion of the frame; at least one channel formed on an inner surface of the arch portion, wherein the at least one channel forms a longitudinal slot on an inner surface thereof; and a chain at least partially housed within the at least one channel and moveable therein for effectuating arcuate movement of the at least one shade panel between an open and a closed position, wherein the chain is configured and dimensioned to move within the at least one channel without falling out of the longitudinal slot.

Abstract: A door and window ornamental article positioning device includes a support unit equipped with stop plates and a support mount to be mounted to a central hollow-out portion of a fan-shaped blind body having a counterweight board fixedly attached to the underside of both end sides respectively. The stop plates and the support mount are respectively provided with connecting portions and coupling cavities to be joined to each other with a restricting space formed for the positioning of the fan-shaped blind body therein. The support mount has an arcutate support portion precisely abutting against the hollow-out portion, and wing panels with insert hooks extending at both external sides to engage with insert pieces of the counterweight boards. Via the separate design, the support unit can have a proper support mount assembled thereto to fit to various diameters of the fan-shaped blind body and stably position the central hollow-out portion thereby.

Abstract: The purpose of this window treatment insert is to block out light and to enhance the decor. The insert can be covered with different types of fabric for a decorative appearance. The window insert is made to fit arch windows. The window insert is made of foam. The window insert is made with several slits in the foam to decorate at your own preference. The insert is simple, no hardware, and no sewing, gluing, no raw edges. If needed you can cut insert to fit or squeeze to fit. The window insert is two-sided. On one side the insert has at least four even spaced slits at top that meet together at the bottom making a point. On other side of insert there are at least four even spaced slits that meet a half circle slit at bottom. The fabric is pushed firmly into insert slits to make decorative appearance.

Abstract: A retractable blind assembly including a top section (3,103) with a vertically-extending blind covering material (23,123) extending between a fixed inclined head rail (5,105) and a middle rail (7,107) that is pivotable with respect to the head rail (5,105) about a pivot center that is adjacent to a lowermost end of the head rail, the head rail extending upwardly at an acute angle, the middle rail (7,107) being pivotable between a lower position, in which the middle rail extends horizontally, when the covering material is extended and an upper position, in which the middle rail extends upwardly at an acute angle and is adjacent the head rail, when the covering material is retracted, the covering material in the top section (3,103) having a generally triangular shape with an unattached short apex (13,113) about the pivot center and an opposite, unattached, long side (15,115) when the covering material is extended, a bottom section (9,109) with the covering material extending between the middle rail (7,107) and

Abstract: An improved bracing bracket for arched window blinds includes a protrusive seat which has a wedge notch on the top rim to couple with a mating plank so that the coupled protrusive seat and the plank may serve as the installation basis. A left material and a right material may be bonded to two sides of the plank. The protrusive seat has a mark in the center of the front side and the rear side to align with a window sill to bond the bracing bracket to the window sill without skewing to facilitate fast installation.

Abstract: A retractable window covering for arched or palladian style windows. The covering has a pair of shade members that can be remotely operated by an activator such as a pull cord for opening and closing the shades. The shade members are suspended from a carriage that is movable within an arched track. The shade members can be drawn along the track in opposite directions independently from a horizontal retracted position to an expanded position such that the shade members meet at the apex of the arched window. The present invention includes an embodiment that includes a shield to cover a portion of the drive assembly resting on the window sill or other horizontal surface.

Abstract: An apparatus and method for selectively positioning a shade along an arcuate path to cover at least a portion of an arched window and to correctly align the shade within a window frame to prevent gaps or over-extensions of the shade with respect to the window. The apparatus includes a linear rail for securing the shade, an actuating device for extending and retracting single or dual shades simultaneously and an alignment device to correctly align the outer peripheral edges of the shade to the peripheral edges of the window. The actuating device can include a spring-loaded cord system to simultaneously rotated arms carrying portions of the shade. The actuating device can also include a gear and hinge device. The alignment device includes an arcuate ramp that corresponds to the configuration of the window for eliminating gaps between the shade and the outer periphery of the window when the shade is in a closed position.

Abstract: A locating device of a fan-like blind embodiment includes a door/window with a frame, a fan-like patterned blind embodiment attached at the top of the frame thereon, and a locating device adapted into a room exposed under the base of the patterned blind embodiment thereof wherein the locating device is made up of a retaining mount and a pair of supporting boards. The retaining mount thereof has an arc top surface to sustain the base of the blind embodiment in abutting location, a through hole to securely fix the retaining mount onto the top of the door/window frame thereby, and a coupling groove for protruded parts of the support boards to be inserted thereto for location thereby.

Abstract: An ornamental bunting includes: a length of fabric folded to form a plurality of pleats; and a crimping member having a pair of wings each having a row of teeth. The crimping member is operable upon application of an inwardly compressive force to substantially permanently deform from an open position to a closed position in which the rows of teeth are brought in close proximity to one another to maintain an end of length of fabric in a gathered condition between the rows of teeth.

Abstract: A curtain assembly contains a long cloth. An upper extending portion has a plurality of parallel and equally spaced first folding portions, a plurality of first supporting portions, and a plurality of first rings. The first folding portions are seamed to be as a bag. The second folding portions are seamed to be formed with left and right bags for receiving the second supporting portions. A flexible cloth sleeve is placed between each two bags. A plurality of second rings are seamed to be between the left and right bags. A stopper is combined to the top portion and is controlled by a rope unit so as to stop the cloth at a predetermined position. When second ends of the control ropes of the rope unit move upwards, the second rings of the lower extending portions will overlap so as to form a sector area.

Abstract: A sprocket assembly for a louver arch assembly for semi-circular, non-perfect or imperfect arch frame assemblies with louvers rotably mounted therein. A tensioning mechanism keeps the louvers taut between an arched frame member and a smaller anchorage frame member. An actuating mechanism is used to rotate the louvers upon the application of a predetermined force to a chain that coacts with the sprocket assemblies coupled with hooked clip members that removably hold the louvers. The sprocket assembly includes a through opening and a socket with cooperative dimensions to receive the headed end of a pin, and an internal inwardly extending pin. A longitudinal channel is cooperatively disposed to receive the inwardly extending pin therein. In this manner, the louvers are rotated between two extreme positions.

Abstract: A louver assembly for semi-circular, non-perfect or imperfect arch frame assemblies with louvers rotably mounted therein. A tensioning mechanism keeps the louvers taut between an arched frame member and a smaller anchorage frame member. An actuating mechanism is used to rotate the louvers upon the application of a predetermined force to a chain that coacts with teethed sprockets coupled with hooked clip members that removably hold the louvers. In this manner, the louvers are rotated between two extreme positions.

Abstract: A collapsible automobile shade formed of fabric that pivots about a pivot point, or a pair of pivot points, and which are expandable into a shaped configuration for adherence to the interior of an automobile windshield, when installed, to prevent the entrance of sunlight and sun rays. The shade may be disassembled, collapsed about its pivotal ribs, into a closed configuration. An alternative embodiment to the shade of this invention includes its fabrication from a flexible material, that has inherent memory, containing a series of aligned flutes, which can be expanded to form a shade of multiple shaped configurations, but due to the inherent memory of the fluted material, can be contracted by alignment of its adjacent flutes, into a compact position.

Abstract: A proposed wind and weather protection device is designed in the form of a collapsible pavilion. The collapsible pavilion is provided with a collapsible roof (1) formed from circular segments. In two preferential design variants, the maximum opening angle of the pavilion is 180°, 90° or 270°. The roof (1) consists of a central nodal element (2) on which several roof spars (11) are fixed. The roof spars (11) support a covering element (21) in the form of a circular segment. To extend the roof (1), at least one tensioning device is provided. The pavilion can have vertical side supports. Each side support is positioned at the outer end of each roof spar. Furthermore, the pavilion can be equipped with a side wall. A gathering device can be used to ensure that the covering element (21) does not hang too far down when folded.

Abstract: A collapsible automobile shade formed of fabric that pivots about a pivot point, or a pair of pivot points, as in is larger embodiment, and which are expandable into a shaped configuration for adherence, as by means of a suction cup, double face tape, or other forms of securement, to the interior of an automobile windshield, when installed, to prevent the entrance of sunlight and sun rays. The shade may be disassembled, collapsed about its pivotal ribs, into a closed configuration, in preparation for storage, as within the glove compartment, or the like.

Abstract: A collapsible automobile shade formed of fabric that pivots about a pivot point, or a pair of pivot points, as in its larger embodiment, and which are expandable into a shaped configuration for adherence, as through usage of a suction cup, double face tape, or other forms of securement, to the interior of in automobile windshield, when installed, to prevent the entrance of sunlight and sun rays. The shade may be disassembled, collapsed about its pivotal ribs, into a closed configuration, in preparation for storage, as within the glove compartment of a vehicle.

Abstract: An arcuately deployable blind for arched frame windows includes a base, a pivot mounted to the base and positionable over a center of curvature of a window frame of the arched frame window, and a slide arm, rotatably mounted at first end to the pivot. An arcuate guide secured to the base. An arcuately deployable pleated blind has first and second parallel longitudinal sides and first and second parallel transverse edges. The edges extend generally at right angles to, and contiguous with the sides. A follower on the pleated blind is in sliding cooperation with the guide. The first edge of the blind is fastened to the base. The second edge of the blind is slidably fastened to the slide arm. An actuator deploys and retracts the blind.

Abstract: A collapsible vehicle sun shade assembly is described that has a sheet of flexible fabric material, with at least one non-central hub. Hingedly attached to the non-central hub are at least four support members. The at least four support members are secured to positions along the outer edge of the flexible fabric sheet.

Abstract: A retractable arced window covering for arced windows. The invention is a pleated fan covering for arced windows which can be remotely operated by a pull cord for opening and closing the covering. The arced window covering includes a base which hides the retracted covering, a first arced track extending from the base, and a foldable pleated member which is suspended from the tract on a rigid member having a hook-shaped upper end mounted on the arced track, the rigid member being either one-piece or having telescoping upper and lower sections, and can be drawn along the track using a cord. The present invention has a second embodiment in which there are two foldable pleated members that can be drawn along the track in opposite directions either independently or in unison from a horizontal retracted position to an expanded position such that the pleated members meet at the apex of the arced window.

Abstract: An extendable surface comprising a plurality of triangular leaves is disclosed. The leaves are arranged one above another and are hingedly mounted at the apex of each leaf for rotational motion between a retracted position in which the leaves are arranged in overlapping relation, to an extended position in which the leaves are adjacent to one another. The leaves have interengaging hooks along their edges which link the leaves together in the extended position and seal the surface, preventing water from leaking through the surface.

Abstract: A device for screening vehicle windows has drive, a carrier turnable by the drive about a turning axis, and a plurality of elongated screening elements which are turnable by the carrier between a closed position in which all the elongated screening elements are coextensive with one another and an open position in which the elongated screening elements are displaced relative one another to form a fan-like screen, the carrier having at least one pin which is spaced from the turning axis, the elongated screening elements having at least one substantially arcuate slot formed around the turning axis so that the pin can extend through all the slots of the elongated screening elements, the slots of the elongated screening elements having different arcuate length so that in the open position the screening elements are located at different angles from the closed position.

Abstract: A retractable arced window covering for arced windows. The invention is a pleated fan covering for arced windows which can be remotely operated by a pull cord for opening and closing the covering. The arced window covering includes a base which hides the retracted covering, a first arced track extending from the base, and a foldable pleated member which is suspended from the track and can be drawn along the track using a cord. The present invention has a second embodiment in which there are two foldable pleated members that can be drawn along the track in opposite directions and in unison from a horizontal retracted position to an expanded position such that the pleated members meet at the apex of the arced window. Both embodiments of the arced window covering include a locking mechanism capable of holding the cord and the foldable pleated member in a selected position.

Abstract: An arched window covering includes a flexible fabric drape having a passageway formed on two sides thereof with one passageway extending over an elongated drape support rod having two ends. The support rod has each end attached to one end portion of an elongated base to form an arcuate rod attached to two ends of a linear elongated base. A flexible cord is attached through the other passageway of the fabric drape and is pulled to bunch the drape together. It is attached to cord attaching brackets on the base between the end portions of the base to thereby form an arched drape for covering an arched window. An elongated base can be formed of a plurality of members which can be adjusted to vary the length of the base and to thereby vary the arc of the elongated drape support rod.

Abstract: A frame supports a fan-shaped pleated shade that is rotated from a folded open position to an unfolded closed position so that the shade covers a semi-circular window adjacent to the shade. Two pull-cords are attached to the shade to rotate it between its two extreme positions. The cords are routed over circular surfaces so that they apply a normal force to the shade throughout its movement.

Abstract: A device for screening a vehicle window, has a plurally of strip-shaped elongated elements together forming a screening element and having two opposite ends, the strip-shaped elements being connected with one another in a region of one of their ends and pivotal relative to one another from an inoperative position in which the opposite ends are located near one another and the strip-shaped elements are coextensive to one another and extend substantially horizontally, and an operative position in which the opposite ends of the strip-shaped elements are spaced from one another circumferentially the screening element forms a segment arranged to be located near a vehicle window so as to screen the latter, and an electric motor for moving the strip-shaped elements between the inoperative and the operative positions.

Abstract: An arched-window shade (1) has a plurality of left-side blades (2) and right-side blades (3) with center ends oppositely disposed and attached pivotally to at least one blade axle (7, 8, 28) positioned centrally on a sill (4) of an arched window (5). The left blades are juxtaposed side-by-side and linked together consecutively with at least one left link line (24) and the right blades are juxtaposed side-by-side and linked together consecutively with at least one right link line (25). A left draw string (11) is attached to a select one of the left blades at a design distance from its center end and a right draw string (12) is attached to a select one of the right blades at a design distance from its center end. The draw strings are routed over a lift support (18, 30, 31) positioned centrally above the at-least-one blade axle, then downward and outward on line supports (19, 20, 22, 23). The left blades of the shade are opened and closed by raising and lowering the left draw string.

Abstract: An adjustable shade comprising a pleated expandable and collapsible main shade and a pleated expandable and collapsible auxiliary shade on a lower end of the main shade, with the auxiliary shade arranged so that the pleats can fan outwardly from one side edge of the auxiliary shade. Expansion of the one side edge of the auxiliary shade is controlled so that it can form an inverted fan configuration with the one side edge of the shade adjacent the center of the fan configuration. The auxiliary shade is preferably formed in two auxiliary shade sections with each arranged so that it can be moved from a collapsed condition paralleling the pleats in the main shade to an expanded condition with the pleats radiating outwardly from one side edge through the arc of about 90 degrees. The auxiliary shade sections are preferably mounted on a lower rail attached to the lower end of the main shade.

Abstract: A portable shade system includes a shade member for shading a user from the sun, an elongated member having proximal and distal end portions for supporting the shade member on an object, and a clamp attached to the proximal end portion of the elongated member for removably mounting the elongated member on the object. The shade member is arranged to fold from an open configuration to a closed configuration and to removable mount on the distal end of the elongated member to enable the user to remove the shade member. In one version, the shade member includes a suction cup member for enabling the user to mount the shade member on a car window apart from the elongated member. The shade member may include a sheet of foldable material (e.g.

Abstract: An adjustable shade comprising an upper headrail and a lower rail and a transversely pleated expandable and collapsible shade member attached to the upper headrail and to lower rail and extending therebetween. The lower rail means including two lower rail sections and a hinge device that interconnect the lower rail sections for swinging movement between a position in which the lower rail sections extend in relatively opposite directions parallel of the upper headrail and a position in which the lower rail sections extend downwardly from the hinge. One lift cord is attached to the hinge device and extends upwardly through the first row of cord guide openings to the upper headrail, and a first shade operating means connected to the first lift cord means for raising the proximate ends of the lower rail sections while allowing distal ends of the lower rail sections to swing downwardly and draw lower portions of the pleated shade member into an inverted fan configuration.

Abstract: An arch-shaped window blind assembly that uses pleated blind fabric placed between two bars pivotably connected by a slotted hinge. The blind assembly travels through the open and closed positions by the use of a slide that is connected to one of the bars. A cord is tied to the slide and the cord is knotted. The cord and knot travel through a channel in a track. In another embodiment, a spring load friction catch is provided on the end of at least one bar.

Abstract: A collapsible blind for use in arch-shaped windows. The pleated blind design employs a flexible adhesive with optional link as shown on the bottom of the blind. A simple slotted hinge pivotally connects bars attached to the opposite end of the blind. The blind is easily assembled, relatively inexpensive to produce and requires no external supports.

Abstract: A blind for an arched window and more specifically a fan-type blind for semicircular arched windows in the form of a semicircular radially pleated member supported along its bottom edge by a mounting rail which is supported by end mounting brackets attached to a window casing. Compression plates engage the opposed surfaces of the radial pleats to partially compress the rigidify the pleats and enable adjustment of the pleats to accommodate irregularities in the window casing with the blind standing on its own without top brackets. A valance of pleated construction overlies the mounting rail and a medallion of semicircular configuration of radially pleated construction overlies a central portion of the fan-type blind.

Abstract: An arched window opening may be shaded by rotating a shade through a segment of an arc. The slide rotator-arm hinging of the shade to permit its rotation from a position in which an accumulation of shading material is present beneath the hinge to one in which the shade material is distributed about a segment of an arc is disclosed.

Abstract: A blind type covering most appropriate to a semi-circular window, constructed of a multible slats, strung together in such a way as to cover a 180.degree. arch when closed, in an even and symmetrical manner. One or two sets of these blades pivot either manually or mechanically from a rigid base attached to or near the window frame. The blades may be composed of virtually any material capable of being self supporting at the lengths necessary, and may also be hollow in nature, allowing for a covering material. By incorporating slots in the blades and a track system, the blades may be pulled out to fully compensate for the irregularities of the arch itself. Further, a quick coupling system may be used to attach the blind to the window, for ease of maintenance.