EP0220074A2 - Vertikale Fensterabschirmungssysteme und vertikale Draperiesysteme - Google Patents

Vertikale Fensterabschirmungssysteme und vertikale Draperiesysteme Download PDF

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Publication number
EP0220074A2
EP0220074A2 EP86308094A EP86308094A EP0220074A2 EP 0220074 A2 EP0220074 A2 EP 0220074A2 EP 86308094 A EP86308094 A EP 86308094A EP 86308094 A EP86308094 A EP 86308094A EP 0220074 A2 EP0220074 A2 EP 0220074A2
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EP
European Patent Office
Prior art keywords
mounting
traverse
vertical
track
stabilizer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP86308094A
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English (en)
French (fr)
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EP0220074A3 (de
Inventor
Andrew Joe Toti
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0220074A2 publication Critical patent/EP0220074A2/de
Publication of EP0220074A3 publication Critical patent/EP0220074A3/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H1/00—Curtain suspension devices
    • A47H1/04—Curtain rails
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H1/00—Curtain suspension devices
    • A47H1/10—Means for mounting curtain rods or rails
    • A47H1/14—Brackets for supporting rods or rails
    • A47H1/144—Brackets for supporting rods or rails for supporting rails
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H15/00—Runners or gliders for supporting curtains on rails or rods
    • A47H15/02—Runners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H23/00—Curtains; Draperies
    • A47H23/02—Shapes of curtains; Selection of particular materials for curtains
    • A47H23/04—Shapes of curtains
    • A47H23/06—Systems consisting of two or more co-operating curtains with transparent or perforated parts behind each other
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47H—FURNISHINGS FOR WINDOWS OR DOORS
    • A47H5/00—Devices for drawing draperies, curtains, or the like
    • A47H5/02—Devices for opening and closing curtains
    • A47H5/032—Devices with guiding means and draw cords

Definitions

  • This invention relates generally to window covering systems and, more specifically, to window covering systems in which the sections of the window covering are disposed vertically.
  • This invention specifically relates to a vertical drape system using prepleated material and to a vertical blind system using string ladders to maintain blind slat position.
  • the term "window” is used as a convenient reference with the understanding that the invention could be used as a door covering as well.
  • pleated shade systems have become a popular form of window treatment.
  • a pleated shade system available from Verosol USA, Inc. of Pittsburgh, Pa., utilizes a prepleated fabric with strong, permanently set pleats which pack very tightly.
  • the Verosol fabric pleats are single pleats.
  • Another version of prepleated fabric is a dual pleated fabric recently introduced by the Window Fashion Division of Hunter Douglas, Inc. of Broomfield, Co., under the trademark DUETTE.
  • the main problem with use of the prepleated material is providing uniform hanging of the pleats when the material is disposed vertically. Because of the strongly set pleats, the material tends to behave like a tension spring.
  • the pleats have a spring force bias toward the packed-together state of the fabric. When used in a vertical drape, this spring force makes the materiai hang with uneven draping when the drape is closed (i.e. the open state of the pleated fabric) because the bottom portion of the material which is not mechanically constrained in position tends to draw together. Thus the pleats do not hang straight and the appearance is unacceptable.
  • One aspect of this invention features a vertical window covering system which utilizes a window covering material portion having a plurality of sections disposed in a generally vertical orientation and being adaptable to being traversed between open and closed positions.
  • This material portion may be either a vertical drape of the prepleated fabric type or a vertical blind arrangement using string ladders. Each has an inherent distortion characteristic causing non-vertical hanging of left and right edge portions thereof in a open or partially open state of the material portion. Note that the "open" state of the material portion, e.g. when the pleats of the drape are open, is the "closed" position of the overall window covering.
  • a traverse track is adapted to be mounted in a horizontal orientation and a plurality of track mounting means are provided for mounting a plurality of sections of said window covering material intermediate said left and right edge portions thereof for bidirectional traverse relative to said traverse track.
  • First and second edge carrier means are mounted to said traverse track with at least one of said carrier means being adapted for bidirectional traverse on said track.
  • An edge stabilizer arrangement is mounted on each of said carrier means for holding said edge portions of said window covering material in a substantially straight vertical orientation when said material is traversed toward an open condition.
  • This arrangement includes a stabilizer rod arrangement mounted to said carrier means in an accurate vertical orientation and with a degree of rigidity sufficient to overcome said inherent distortion characteristic.
  • the stabilizer rod arrangement extends at least substantially the entire length of an associated one of said edge portions of said window covering material and is secured thereto at least at a plurality of locations throughout that length.
  • This invention also features an arrangement for solving the problems occurring when the window covering material portion includes a plurality of vertical material portions which move together as said material portion is traversed toward a closed state and have the further inherent distortion character­istic operating during traversing toward said open position tending to cause said vertical material portions to become misaligned in a direction perpendicular to the general plane of traverse.
  • This arrangement includes a traverse alignment mechanism for maintaining the alignment of said vertical material portions during said traverse toward said closed state.
  • the traverse alignment mechanism includes guide apertures formed in said vertical material portions at a prearranged position near a bottom edge thereof, a guide cord extending through said said guide apertures and being fastened to a first one of the stabilizer rod means, and a tensioning arrangement operatively mounted to a second of the stabilizer rods for maintaining said guide cord in substantial tension throughout the traverse of said material portion between said open and ciosed state.
  • both carriers are adapted to traverse the track
  • a traverse alignment mechanism which employs two separate guide cords and tensioning arrangements.
  • the carriers are in the form of relatively free­wheeling carriages, then it is preferable to provide braking arrangements between the carriages and the traverse track to hold the carriages in selected positions against the forces exerted by the tensioning arrangements.
  • the tensioning arrangements may comprise pulley and weight arrangements.
  • the stabilizer rods comprise housings formed by two wall sections and the weight is confined to move in a vertical channel within the defined housing.
  • both edge pleats of the prepleated fabric are held in a true vertical orientation under all conditions of traverse of the drape material, including when the drape is in the fully closed condition with all of the pleats spread ("open" state of the fabric) to the maximum extent. This solves the major problem with adapting the prepleated fabric to use in a vertical drape system.
  • the system of this invention further comprises pleat position stabilizing arrangements mounted to each of the plurality of spaced intermediate pleats for stabilizing the pleats in a vertical orientation.
  • This stabilizing arrangement may, in some cases, simply comprise a weight fastened to a bottom portion of an associated pleat to bias the pleat to hang vertically.
  • its is preferable in most instances to utilize an elongated thin slat fastened to the pleat and extending at least substantially the entire length thereof.
  • the slat is preferably carried on the track mounting arrangements associated with the pleat.
  • the slat may be combined with a weight mounted as a shoe at the bottom of the slat to increase the vertical position stability if needed or desired.
  • the stabilizer rod arrangements for holding the edge pleats vertical preferably include an integral spring flexure portion near a top end thereof adapted to respond to a sidewise force applied toward the bottom portion thereof of a magnitude substantially greater than the spring force of the drapery fabric by flexing and then restoring the stabilizer rod arrangements to an accurate vertical orientation.
  • This is a safety feature which prevents permanent distortion of the stabilizer rod if, for example, someone pushes it sideways to look out the window without opening the drape.
  • each of the drape edge carrier arrangements defines a horizontal mounting platform for the drape edge stabilizer arrangements.
  • the modular unit includes stabilizer rod mounting arrangements for mounting the stabilizer rod to the mounting platform in an adjustable vertical position and an adjustable angular orientation relative to the mounting platform to enable precise adjustment of the stabilizer rod to extend perpendicular to the mounting platform.
  • the stabilizer rod mounting arrangement may take various forms.
  • One embodiment uses a spring mounting assembly to respond to a sideways deflecting force and to bias the stabilizer rod to return to the vertical position.
  • the stablizer rod includes an upper rod end having a regular cylindrical shape.
  • An aperture is provided in the mounting platform and has a tapered wall portion adapted to receive the upper rod end in a variable angular orientation.
  • a mounting collar is fastened over the upper rod end on one side of the mounting platform.
  • a compression spring is carried over the upper rod end on the other side of the mounting platform.
  • a spring retaining bracket is mounted to the upper rod end to compress the spring between a wall surface of the mounting platform and the retaining bracket.
  • the mounting collar includes a first adjustment arrangement for adjustably positioning the mounting collar on the upper rod end and a second adjustment arrangement for defining an adjustable angular contact relationship between the mounting collar and the mounting platform to establish an initial angular orientation for the mounting collar and the upper rod end.
  • the upper rod end and the collar are deflectable away from the initial orientation and are biased by the compression spring to return to the initial orientation.
  • the mounting collar has a central aperture receiving the upper rod end and the first adjustment arrangement comprises a horizontally disposed set screw extending between an outer wall and the aperture for fastening the collar on the upper rod end in an adjustable position.
  • the second adjustment arrangement comprises a triangular arrangement of set screws extending through the collar parallel to the aperture with screw tips contacting an adjacent surface of the mounting platform to jointly provide the adjustable angular contact relationship between the mounting collar and the mounting platform.
  • the surface of the mounting platform of the carrier has indented regions formed therein that the tips of the three set screws are received in to establish a fixed radial orientation for the stabilizer rod to return to after deflection.
  • the vertical drape system of this invention solves all of the problems that are otherwise associated with use of the prepleated material in a vertical orientation.
  • the invention is adaptable to use with all forms of drape traversing systems and will provide another visually attractive drape alternative to the window treatment industry.
  • system of this invention also solves all of the problems otherwise associated with use of a vertical blind system with string ladders for maintaining alignment of the blind slats.
  • the invention opens new possibilities for attractive and functional vertical blind systems.
  • Figs. 1-16 illustrate one embodiment of this invention with variations on stabilizer rod mounting arrangements which provides useful operation for a vertical drape system utilizing an area of prepleated fabric under certain conditions of window covering size and arrangement.
  • Figs. 17-30 illustrate a second embodiment of this invention which can be adapted for all sizes of vertical blind system utilizing fabric tape or string ladder arrangements to maintain the vertical blind slats in aligned positions.
  • Figs. 32-36 illustrate a third embodiment of this invention having some aspects in common with the second embodiment.
  • Figs. 37 and 38 illustrate a variation of the third embodiment.
  • Figs. 37 and 38 illustrate a variation of the third embodiment.
  • the embodiment of Figs. 1-16 will be described first, followed by the vertical drape and vertical blind embodiments of Figs. 17-30 and Figs. 32-38.
  • vertical drape system 5 utilizes an area of prepleated fabric 10 having permanently set pleats of the type described above.
  • a traverse track arrangement 11 is adapted to be mounted in a horizontal orientation with a plurality of track mounting means 12 which mount a plurality of spaced pleats of the fabric intermediate left and right edge pleats thereof for bidirectional traverse relative to the traverse track 11.
  • a drape edge carrier 14 is provided for carrying a drape edge stabilizer arrangement 15 associated with a right edge pleat of the drape 10.
  • Another drape edge carrier and associated drape edge stabilizer arrangement are provided for the left edge pleat.
  • At ieast one of the drape edge carrier arrangements is mounted on the traverse track for bidirectional traverse.
  • the other edge carrier means may be mounted in a stationary position or may also be mounted for bidirectional traverse on the traverse track arrangement.
  • Each of the drape edge stabilizer means 15 are constructed and arranged to hold the edge pleats of the fabric in a substantially true vertical orientation when the drapery fabric is traversed open to overcome the spring forces of the prepleated fabric and maintain an attractive true vertical edge.
  • Each of the drape edge stabilizer means includes a stabilizer rod 20 which extends at least substantially the entire length of an associated edge pleat and is secured to that edge pleat substantially throughout its length.
  • this securing of the edge pleat to the stabilizer rod provides for captive positioning of the pleat vertically on the stabilizer rod but permits rotational movement of the pleat relative to the stabilizer rod.
  • the overall arrangement for mounting the stabilizer rod 20 to the edge pleat also provide a finished looking edge on the edge pleat for good appearance of the overall drape.
  • pleat position stabilizing means 13 are mounted to each of the spaced intermediate pleats.
  • These pleat position stabilizing means may take various forms. In a short drape, the pleat position stabilizing means may simply comprise a weight 17 mounted to a bottom portion of an associated pleat to bias that pleat to hang vertically. With each of the intermediate pleats so biased, there will be a regular appearance to the spacing of the pleats in the drape when the drape is partially or completely traversed to a closed drape postion.
  • FIG. 1 Another approach to pleat position stabilizing means involves utilizing an elongated thin slat, such as the slats 13 shown mounted to the intermediate pleats, extending at least substantially the entire length of the pleat.
  • This thin slat may be made from a flat metal sheet such as, for example, a slightly coved thin venetian blind slat.
  • This slat may be mounted to the associated pleat utilizing any appropriate adhesive means such as a double sided sticky tape.
  • a thin plastic slat could be mounted to the intermediate pleats for stabilization purposes. If added weight for stabilization is required a lead weight may be fastened to a bottom portion of the plastic or metal strip to provide additional weight biasing of the intermediate pleats into a true vertical orientation.
  • the spacing between stabilized intermediate pleats is determined by the spring force in the prepleated material.
  • Any convenient traversing arrangement can be employed with the drape system of this invention for driving the traversing drape edge carriers in either a manual or motorized fashion.
  • a hand operated baton 16 is attached to the carrier 14 to enable that carrier to be manually pulled for opening and closing the drape.
  • Any of the well-known alternative traversing arrangements utilizing cords and pulleys could also be provided for use with the vertical drape system of this invention.
  • Figs. 3, 4 and 5 illustrate the various approaches that can be taken to providing for single or dual drape sections with single or dual traversing of each drape section.
  • Fig. 3 shows a single traversing drape with drape edge carrier 14B mounted in a fixed position at one end of the traverse track 11 and with drape edge carrier 14A mounted for bidirectional traverse as shown.
  • Fig. 4 version there are two separate drape sections 10A and 10B.
  • the left edge carrier 25 associated with drape 10B is mounted in a fixed positon and the right drape edge carriers 26 is mounted in a fixed position at the right side of the traverse track 11.
  • Edge carriers 27 and 28 are each mounted for bidirectional traverse and carry associated edges of the drapes sections 10A and 10B with them.
  • Fig. 5 shows a mounting arrangement in which two traversing edge carriers 29 and 30 are mounted for bidirectional traverse on each end of a single drape 10.
  • carrier 29, for example has two separate side guide sections 29A and 29B.
  • Carrier 30 is identical but reversed in position. This structure and arrangement of the carriers 29 and 30 permts very close nesting of the two carriers when drape 10 is open without requiring that two separate types of carriers be employed. While each of the arrangements depicted in Figs. 3-5 show the use of a manually operated baton 16, knowledgeable persons in the vertical drape art will readily appreciate how the various drape edge carriers depicted can be mounted to cord and pulley arrangements. Thus such cord and pulley arrangement need not be depicted or disclosed herein.
  • the track mounting arrangement 12 includes a roller carriage portion 35 which travels in a pair of tracks in the generally C-shaped traverse track 36 which has an open bottom slot.
  • Hanger portion 37 extends vertically from the carriage 35 and attaches to the stabilizing strip 13.
  • the hanger portion 37 is mounted for rotation relative to the carriage 35.
  • the stabilizing strip 13 may be mounted to the associated pleat of the drape fabric 10 by a suitable adhesive designated 38.
  • This adhesive may, for example, be a double sided adhesive tape of the type capable of permanently securing the stabilizing strip 13 to the fabric pleat. Several sections of tape may be used as necessary.
  • the Fig. 6 embodiment utilizes a single pleat fabric of the type available from Verosol USA.
  • Fig. 7 illustrates the track mounting arrangement 12 applied to a double pleat fabric 10A of the type available from Hunter Douglas.
  • the stabilizing strip 13 is mounted to a transverse section of the stabilized intermediate pleat.
  • the mounting arrangement for bidirectional traverse of the intermediate pleats is the same as in the Fig. 6 embodiment.
  • Figs. 8-15 illustrate three separate embodiments of the modular combination of a carrier component which mounts on the traverse track externally and three forms of drape edge stabilizer arrangements. It should be understood that the drape edge stabilizer arrangements shown in Figs. 8-15 could also be mounted to a fixed drape edge carrier, that is, one which is fixed in position on the inside of the traverse track. It should also be understood that the drape edge stabilizer arrangements could be mounted on drape edge carrier components which are adapted to be received within the traverse track rather than riding on the outside of the track. The use of a carrier arrangement riding on the outside of the traverse track provides additional stability for the drape edge stabilizer arrangement mounted thereto.
  • the left and right guide portions 40 and 41 have internal grooves 42 and 43 which receive the lips 44 and 45 on the central C-shape portion of the traverse track 11.
  • the side guides 40 and 41 may take any of the shapes depicted in Figs. 3-5, but preferably have at least one side having a length of at least about two inches to provide good tracking stability for the carrier.
  • the carrier defines a horizontal mounting platform 46 to which the various drape edge stabilizer arrangements are mounted.
  • stabilizer rod 20 is secured directly in an aperture 47 in the platform 46. Since it is important that the stabilizing rod 20 be mounted precisely perpendicular to the mounting platform 46 for true vertical hanging of the stabilizer rod, this mounting arrangement would preferably be accomplished by very accurate formation of the aperture 47 and very tight tolerance mounting of the stabilizer rod 20 therein with good jigging and fixturing to achieve highly accurate positioning. The type of accuracy which is desirable for this invention may be difficult to achieve in practice at reasonable cost using the embodiment shown in Figs. 8 and 9. Thus the embodiments shown in Figs. 10-15 provide for appropriate adjustable mounting of the stabilizer rod relative to the mounting platform.
  • the upper cylindrical rod portion 48 of the stabilizer rod 20 is received in a tapered aperture 49 formed in a cylindrical mounting bracket 50 which is rigidly fixed to the mounting platform 46.
  • the stabilizer rod 20 can be readily accomplished by controlling how far the upper rod end 48 is inserted in the aperture 49. By adjusting the sets screws 51, the projecting angle of the stabilizing rod 20 can readily be adjusted until it is disposed precisely vertical to the mounting platform 46. As shown in Figs. 10 and 11, immediately beneath the upper rod end 48 of the stabilizer rod 20 is formed a single spring coil turn 52. This spring flexure portion 52 may have other spring coil turns if necessary or desired to achieve a particular spring flexure characteristic. The spring flexure characteristic desired is one which enables the stabilizer rod 20 to respond to a sidewise force applied to the rod below the spring flexure portion 52 by flexing out of a true vertical position and then restoring to the true vertical orientation after the deflecting force is removed.
  • this same spring flexure portion for the stabilizing rod 20 could be applied in the embodiment shown in Figs. 8 and 9.
  • Providing this spring flexure in the edge pleat stabilizing means permits the edge of the drape to be pushed out of position without destroying the desired vertical orientation of stabilization of the edge pleat of the drape. It is a common occurrence for the edge of the drape to be pushed aside in order to see beyond the drape.
  • This spring flexure feature of the invention permits this to occur without losing the function of the edge pleat stabilization. Without it, the stabilizing rod might be distorted or bent and result in an unacceptable edge pleat draping.
  • Figs. 13-14 illustrate one embodiment of the feature of the invention incorporating a modular drape edge carrier and edge pleat stabilizer arrangement.
  • the mounting platform 46 has an aperture 55 formed therein which includes a tapered portion 56.
  • This tapered portion 56 receives the upper cylindrical rod end 57 of stabilizer rod 20 and permits stabilizer rod 20 to assume a range of different angular orientations relative to the mounting platform 46.
  • a mounting collar 58 is fastened to the stabilizer rod 20 on the underside of the mounting platform 46.
  • a spring retaining bracket arrangement 59 comprising a washer and cotter pin is fastened to the upper rod end 57 of the stabilize rod 20 and captures a compression spring 60 between it and a recessed wall surface of the mounting platform 46 in the aperture 55.
  • the combination of the mounting collar 58, the spring retaining bracket 59, and the compression spring 60 mount the stabilizing rod 20 relative to the mounting platform 46 with spring flexure in the vertical orientation of the stabilizing rod 20 and with restoring force by the spring 60 to the initial rod position.
  • Adjustment of the vertical position of the stabilizing rod 20 relative to the mounting platform 46 is accomplished utilizing the set screw 65 extending horizontally within the mounting collar 58.
  • the angular orientation of the mounting collar 58 relative to the mounting platform 46 is controlled by a triangular arrangement of set screws 66.
  • the tips of the set screws 66 are preferably received in slight indentations 67 formed in the bottom wall of the mounting platform 46. Utilizing this approach, any pushing of the stabilizer rod 20 out of its normal vertical orientation will maintain at least one of the set screw tips 67 in its associated indentation and tend to return the mounting collar 58 to a preset position relative to the mounting platform 46.
  • the arrangement depicted in Figs. 13-15 includes a first adjustment means 65 for adjustable positioning the mounting collar on the upper rod end, thus determining the vertical position of the stabilizer rod 20.
  • the arrangement also includes a second adjustment means in the form of the set screws 66 for defining an adjustable angular contact relationship between the mounting collar and the mounting platform and thus to establish an initial angular orientation for the mounting collar and the stabilizing rod 20 captivated therein.
  • Fig. 16 illustrates one approach for mounting the stabilizing rod 20 to an edge pleat 70.
  • the stabilizing rod 20 is captivated in a channel 71 which extends the length of an elongated mounting strip 72 having a front face adhesively mounted to the surface of the edge pleat 70.
  • An edge finishing strip 73 is mounted over the edge of pleat 70 and the mounting strip 72 to provide a finished appearance. If desired the edge strip 73 could be made integral with the mounting strip 72.
  • Various forms of mounting strip 72 could be provided.
  • the mounting strip could be arranged to sandwich the edge pleat 70 between front and back portions. It is preferable that the stabilizer rod 20 be free to rotate with respect to the mounting strip 72 so that the angular position of the edge pleats 70 can be altered as the drape is traversed between open and closed positions.
  • vertical drape system 105 utilizes an area of prepleated fabric 110 having permanently set pleats as previously described.
  • a traverse track arrangement 111 is adapted to be mounted in a horizontal orientation above a window or sliding patio door or the like.
  • One type of mounting bracket arrangement is shown in Figs. 28-30 and will be described below.
  • the traverse track arrangement carries a plurality of track mounting means 112, each of which is fastened to one of the spaced pleats of the fabric area 110 intermediate the left and right edge pleats thereof for bidirectional traverse of these pleat sections relative to the traverse track.
  • a carrier 114 in this case in the form of a carriage arrangement more particularly shown in Figs.
  • edge carrier i14 and stabilizer rod 115 are provided on each edge of the drape arrangement 105.
  • both carriers 114 are arranged for movement on the traverse track 111 so that both edges of the window covering area 110 are mounted for bidirectional traverse. It should be apparent that, as an alternative, one of the edge carriers could be fixed in position on the traverse track so that only the other edge of the drape is mounted for bidirectional traverse.
  • Each of the edge stabilizer arrangements is constructed to hold the edge pleats of the fabric section 110 in a substantially true vertical orientation when the fabric is traversed to the open condition shown.
  • the open condition of the prepleated fabric i.e., pleats open corresponds to what is normally considered the closed position of the overall drape assembly and the closed condition of fabric (i.e., pleats folded together) is the drape open position.
  • the window covering system 105 also includes a traverse alignment arrangement, generally referred to in Fig. 18 by the reference numeral 116 specifically pointing at guide cord arrangements which extend through guide apertures in the prepleated fabric, but also including a tensioning means mounted on the stabilizer arrangement 115 which maintains the guide cords 117A and 117B in tension throughout the traverse of the fabric section 110 between open and closed positions.
  • the tensioned guide cords 117A and 117B keep the sections of prepleated fabric in alignment so that they neatly fold as the drape is opened and the individual pleat sections are moved to their closed or folded condition.
  • Edge carrier 114 is in this case a carriage arrangement having a main body section 120, a pair of opposed wheels 121 and 122 on one end thereof and a single wheel 123 on the opposite end thereof.
  • the L-shape of carriage body 120 permits left and right units to mate closely for tight pack of the pleats in a drape open condition.
  • a bottom wall section 124 of the carriage 120 has a mounting bracket 125 carried thereon, and the mounting bracket 125 includes a horizontal mounting channel 126 which extends parallel to the plane of traverse of the carriage 120 in the traverse track.
  • the edge stabilizer arrangement 115 includes a mounting bracket 130 with a generally L-shaped mounting rod 131 extending from a top portion thereof.
  • An upper section 132 of the mounting rod 131 is received within the mounting channel 126.
  • the mounting channel 126 is formed with an outward taper from left to right as shown and the diameter of the channel at the left-most point is arranged to match substantially the diameter of the rod section 132.
  • a cotter key 133 extending through an aperture in the rod section 132 captures it in the channel, but the rod section 132 is free to tilt upward or downward within the channel for angular adjustment of the stabilizer rod arrangement 115 to a obtain a truly squared drape edge.
  • the adjustment screw 127 controls the tilt of the rod section 132.
  • the tip of the screw and the left edge of the channel are pivot points which permit the rod section 132 to rotate in the channel about its center axis.
  • This provides a pendulum mounting relation between the edge stabilizer rod 115 and the bracket 125.
  • This permits the stabilizer rod to be rotated away from the wall (for example by a child wanting to see out of the window when the drape is closed) and automatically return to the true vertical position.
  • adjustment screw 127 it is important that adjustment screw 127 not be tightened to the point that the rod section 132 is clamped against the top wall of the mounting channel 126 and will not swing freely.
  • An alternative arrangement would involve tapering the rod section 132 and using a straight wall channel with the position of the adjustment screw controlling the tilt of the axis of the rod section 132.
  • the wheels 121 and 122 of the carriage assembly 120 ride in carriage tracks 138 and 139 defined in the traverse track 111. Adjacent to the carriage tracks 138 and 139 are a pair of additional tracks 140 and 141 which carry the pleat hanger wheels.
  • the traverse track arrangement 111 is preferably formed from a one-piece aluminum extrusion with a front wall section 145 having integral top and bottom C-shaped grooves 146 and 147 formed therein. With this arrangement a section of fabric 150 can be stretched over the front wall 145 and edge sections of the fabric 150 can be held within the C-shaped grooves 146 and 147 utilizing elongated mounting beads 148 and 149 which push into the C-shaped grooves 146 and 147.
  • Fig. 20 also shows a brake arrangement 150 carried on the bracket 126 of the carriage 120.
  • Brake arrangement 150 includes a spring loaded brake shoe 151 which may interface with a bottom braking surface of the groove 141 to hold the carriage 120 in a fixed position against the spring tension forces that are applied to it by the traverse alignment arrangement which will be described below.
  • the brake pad 151 can be pulled away from the traverse track using a cord 152 which is attached at the other end to a handle 155 shown in Fig. 17.
  • the brake arrangement 150 can be released by pulling down slightly on the handle 155 which allows the carriage 114 to freely traverse back and forth on the traverse track until the edge of the drape is in the desired position. Release of the handle 155 then causes the brake shoe to stop the carriage movement at the desired position.
  • a brake arrangement can be structured to function as an automatic brake such as shown in Fig. 31 and described below. This is accomplished by providing for adjustment of the brake force applied by the spring such that the braking force is sufficient to overcome the intrinsic forces tending to move the carrier and drape toward the open condition in the absence of externally applied force. With externally applied force the edge carrier and the stabilizing rod will move in the direction of the force until it is removed and then automatically be stopped at that position by the brake.
  • the intrinsic forces include the spring tension of the prepleated fabric itself and the tension on the guide cords as described below.
  • Fig. 21 shows an alternative system in which the movement of the carriage 120 is controlled by a traverse cord arrangement.
  • a single direction traverse of carriage 120 is provided.
  • a pair of end caps 160 and 161 are mounted on the end of the traverse track 111.
  • End cap 160 has a pair of apertures 162 and 163 in the form of eyelets through which the traverse pull cord 164 may be extended.
  • a pulley 165 is provided on the end cap 161 for reversing the direction of the traverse cord 164.
  • the cord holding arrangement 166 is provided on the carriage 114 and may comprise any type of cord clamping arrangement which holds the carriage 114 onto the traverse cord at a fixed position.
  • Position holding can also be achieved using a cord fastening bracket mounted to the wall underneath the traverse track utilizing any one of the cord rapping bracket approaches which are standard in the art. Cord grabbing brake arrangements could also be employed.
  • Stabilizer rod arrangement 115 incorporates housing 170 which is preferably in the form of an elongated section of aluminum extrusion having a first main wall portion 171 and a second main wall portion 172. Wall portions 171 and 172 form a generally triangularly shaped housing. A pair of C-shaped grooves 173 and 174 are formed on the opposite ends of wall section 171 to provide an arrangement for mounting an elongated strip of fabric 175 over the wall section 171 in the manner shown best in Fig. 24. Long, flexible, cylindrical beads 176 and 177 are used to push the edge sections of the fabric 175 into the C-shaped grooves to hold the fabric section tightly in place on the wall section 171.
  • a pair of oppositely facing ear portions 180 and 181 which define an internal vertical channel 182 which extends the entire length of the housing 170.
  • mounting bracket 130 is positioned within the channel 182 and then fixed in a position within the channel using any convenient means.
  • the width of the bracket 130 can be such as to provide a tight interference fit between the vertical edges of the bracket 130 and the edges of the channel 182.
  • the bracket 130 preferably carries thereon a rotating pulley 190 which is a part of the traverse alignment arrangement 116. This will be described in more detail later.
  • An interior wall portion of 174A of the C-shaped bracket 174 cooperates with an ear 191 extending from the opposite end of wall section 172 to define a set of opposed grooves that are adapted to receive a slat 193 to which is fastened a section of the prepleated drapery fabric as shown in Figs. 24 and 25.
  • a section of the hexagonal pleat of the DUETTE double pleat type of prepleated drapery fabric extends around the slat 193.
  • the slat 193 extends the full length of the stabilizer rod housing 170 so that the entire edge pleat is captured in position ajacent the housing wall section 172.
  • one or more entire edge pleats of a single pleat drapery fabric 110B may be wrapped around the slat 193 to capture the edge pleat against the wall section 172.
  • a pair of opposing grooves 196 and 197 may be defined on the free ends of wall sections 171 and 172 to permit an elongated metal slat 198 to be inserted therein to completely enclose the interior of the housing 170. This keeps all of the moving parts within the housing 170 completely enclosed for safety purposes but with the back wall removable for repair or replacement of parts.
  • the groove 197 is shown oversize in the drawing figures and may in fact be formed only slightly wider than the thickness of the slat 198 itself.
  • a mounting arrangement for a vertical blind system 2uu is illustrated.
  • a special slat arrangement 201 is provided to mount one end of a string or tape ladder arrangement 202 to the housing 170.
  • each of the blind slats 203 would be mounted for traverse in the traverse track arrangement 111 utilizing any of the conventional slat to track mounting arrangements.
  • two or three ladder arrangements 202 may be provided at spaced vertical positions thereon.
  • the edge stabilizer rod arrangement 115 is mounted in a vertically swivelling manner around an axis such as the axis 204 so that the individual blind slats 203 can be rotated between open and closed individual slat positions in addition to the entire bind being traversed between open and closed positions.
  • Any suitable arrangement for pivotal mounting of the stabilizer rod arrangement 115 can be employed.
  • the bracket arrangement 125 may include a pivoting ball and socket arrangement similar to the pivoting ball and socket arrangement shown in Fig. 22 for mounting the individual sections of the drapery fabric for traverse on the traverse track. It is important, however, that the stabilizer rod have freedom to rotate and swing out from the wali, but not be free to pivot in the plane of traverse of the blind.
  • the housing 170 is held in a fixed vertical position by the mounting arrangement shown in Fig. 19 and is thus able to hold the edge portion of a prepleated fabric drapery section or the edge portion of a vertical drape arrangement in a substantially precise vertical alignment by opposing the inherent distortion forces which tend to otherwise cause the edge sections not to be disposed in a precise vertical alignment.
  • the traverse alignment arrangement 116 will now be described in conjunction with drawing Figs. 18 and 22-27.
  • the principles of the preferred traverse alignment arrangement 116 of this invention are depicted schematically in Figs. 26 and 27. In each of the arrangements shown in Figs. 26 and 27, two separate traverse alignment arrangements 116 are depicted to provide two regions of traverse alignment across the height of the vertical drape material section 110. It should be understood that if the drapery section 110 is short enough, it may be sufficient to use only a single one of the traverse alignment arrangements 116.
  • Fig. 26 illustrates a single pulley traverse alignment arrangement 116.
  • Fig. 27 illustrates a double pulley traverse alignment arrangement 116′.
  • one end of the guide cord 117B is fixed at one end 210 to one of the stabilizer rod arrangements 115A.
  • the guide cord 117B extends through a grommetted aperture 211 in the stabilizer rod assembly 115B and wraps around a pulley 190 with a weight 212 attached to the free end of the guide cord 117B.
  • a similar arrangement is provided for the guide cord 117A.
  • the arrangement of weight 212 and pulley 190 maintains tension on the guide cord 117B during traverse of one or the other or both of the stabilizer rod arrangements 115A and 115B.
  • the single pulley arrangement of Fig. 26 adequately covers the situation where the total horizontal traverse of the drape is less than or equal to the vertical height of the drape.
  • the double pulley arrangement shown in Fig. 27 adapts the traverse alignment arrangement for situations in which the overall width of the drape is substantially greater than the length. In other words the double pulley arrangement provides for a greater effective change in the working length of the guide cord 117 during the traverse of the vertical drape system.
  • a fixed pulley 190 combines with a traveling pulley 215 which is mounted on the weight 216 to travel therewith.
  • one end of the guide cord 117 is fixed at a point 210 to the stabilizer rod arrangement 115A and is fixed at the other end to a point 218 on the stabilizer rod arrangement 115B.
  • the weight 212 is preferably mounted for up and down traverse in the channel 182 formed on the interior of the housing 170 which comprises the main body of the stabilizer rod arrangement 115.
  • This approach can be used for both the case in which the weight 212 has the end of the guide cord 117 attached thereto and the case in which the weight has a pulley mounted thereon as shown in Fig. 27.
  • Fig. 25 illustrates that one end of the guide cord 117 preferably extends through a grommetted aperture at the point of attachment 210. At this point a large knot in the guide cord can be formed or a restraining button or tab can be crimped onto the guide cord to fix its position at that point.
  • Fig. 24 illustrates the grommetted aperture 211 in the wall 172 of housing 170 through which guide cord 117 may be fed.
  • a pair of cord guide tabs 220 and 221 are preferably formed on the mounting bracket 130 underneath the pulley 190 to guide the cord on and off the pulley 190.
  • the guide cord 117C for the vertical blind arrangement depicted in Fig. 23 is preferably placed in a symmetrical center position relative to each of the blind slats 203. In that embodiment a cord slot would be provided in each of the blind slats to receive the guide cord 117C.
  • the guide cord 117 preferably extends symmetrically through the center of the double pleated fabric with an aperture 110C being formed in each of the center wall sections as shown.
  • the guide cord 117 is preferably extended through apertures 110D which are formed towards the rear portion of each of the sections of pleats. This tends to reduce the length of the segments of cords that are visible from the front of the drape, giving it a more pleasant overall aesthetic appearance.
  • Figs. 28-30 illustrate a bracket arrangement 230 for mounting the traverse track 111 to the wall above a window or door.
  • a first bracket member 231 is provided for mounting to the wall in an adjustable position by utilizing a screw extending through the slot 232. If desired, a pair of elongated mounting slots could be provided in the bracket element 231.
  • a second bracket member 233 is fastened to the first bracket member 231 utilizing a rotating detent arrangement 234. Bracket member 233 carries a male tab 235 on the underside thereof. Male tab 235 is adapted to be received in a female slot 236 in a third bracket member 237.
  • the third bracket member 237 defines a pair of shoulder portions 238 and 239 which cooperate with lips or other structures on the traverse arrangement 111 so that traverse arrangement 111 hangs on the bracket member 237.
  • bracket members 231 and 233 are first placed in an aligned position and the male tab 235 inserted into the female slot 236. Bracket member 233 is then twisted relative to bracket member 231 so that the male tab 235 rotates relative to the female slot 236 to capture the bracket members 233 and 237 together.
  • the housing 170 which defines the main structural element of the edge stabilizer rod arrangement 115 can be used at both edges of the vertical drape arrangement 105.
  • the two extrusion sections are simply vertically reversed for the left and right sides of the vertical drape assembly.
  • Each of the other elements of the edge stabilizing rod arrangements and for the traverse alignment arrangements which are mounted internally to the extruded housing 170 can be fit in their appropriate position within the housing depending on whether the assembly is for the right or left side of the vertical drape or blind system.
  • Fig. 31 illustrates an arrangement of a traverse track 111 and carriage 114 of the type illustrated in Figs. 19 and 20, but with a pair of automatic braking arrangements 251 and 252.
  • Each of these braking arrangements may comprise an L-shaped body of spring steel material fastened to the lower bracket 125 of the carriage assembly.
  • a plastic brake element 254 carried on the spring steel body is urged into braking contact with a bottom surface of the track 111.
  • a threaded portion on the brake element permits adjustment of the amount of braking force.
  • the braking force is set such to a value such that the carriage 114 will remain in position when the inherent pulling forces of the prepleated fabric and the traverse alignment arrangement are at their maximum total value.
  • the automatic brakes will then hold the carriage at rest at any position with a braking force that is easily overcome by additional manual force pushing on the stabilizing edge rod assembly mounted to the carriage.
  • Figs. 19 and 20 for mounting the edge stabilizer assembly to the carriage assembly is quite satisfactory for vertical drapes that are relatively short (e.g. in the range of thirty or forty inches long), but may encounter problems in longer drape units that may be as much as eighty or ninety inches long.
  • a child for example, to apply a force to the lower portion of the edge stabilizer rod assembly.
  • a force applied at this position tends to build up a torque in the carriage assembly and mounting bracket rather than to cause the carriage assembly to move in the direction of the applied force.
  • This torque may, in some cases, build up to a quite high level before the carriage assembly begins to move in response to the force. In the process, this high torque value could cause a bending of the mounting rod or the mounting bracket or the carriage assembly.
  • Figs. 32-35 illustrate a mounting arrangement with a rotational detented safety release action in the plane of the window covering material to prevent damage to the system under the conditions described above.
  • a U-shaped vertical bracket 260 formed by front and back vertical walls 264 and 265 and side wall 266 is at the top of the stabilizer rod assembly.
  • bracket 260 is mounted in the interior of the extrusion housing 261 with ears 267 and 268 received in a groove defined by projections 262 and 263. Any convenient securing arrangement may be employed to hold the bracket 260 in position at the top region of the stabilizer rod housing 261.
  • Front and back vertical walls 264 and 265 have a pairs of upper and iower safety detent aperture patterns 271,272 and 273,274 formed therein.
  • Vertical mounting rod portion 132 extends between the front and back walls and carries thereon upper and lower pairs of rollers 275 and 276. Each of the rollers is received in an associated one of the detent aperture patterns.
  • a compression spring 278 extends between a horizontal platform 277 on the bracket 260 and the bottom end of the vertical rod portion 132 to bias the mounting rod toward the rest position shown in solid lines in Fig. 33.
  • Horizontal platform 277 may be formed from a cut out and bent section of side wall 266 as shown in Fig. 34.
  • a pulley 279 is mounted in the bottom of bracket 260 to carry tensioning cord 117.
  • Fig. 33 illustrates in dashed lines the position assumed by the vertical bracket 260 relative to the vertical rod portion 132 when the rotational detented safety release action has been acutated.
  • the vertical bracket 260 rotates and moves upward as the rollers 275 move into the lower right release locations of the detent aperture patterns 271 and 272 and the rollers 276 move into the lower left release locations of the detent aperture patterns 273 and 274.
  • the compression spring 278 is compressed further and distorts. When the torque is released, the compression spring urges the bracket back toward the rest position.
  • This safety torque release feature reduces substantially the risk of damage to the components of the system if a horizontal force is exerted near the bottom of the vertical stabilizing bar arrangement on a long vertical drape assembly.
  • the rotation of the vertical stabilizing bar assembly to the release locations places the bar at an angle to the vertical at which the applied horizontal force is likely to begin to move the carriage assembly in the direction of the applied force.
  • This safety torque release feature is preferably designed such that it does not come into operation when a force is exerted on the upper half of the vertical edge stabilizing bar arrangement where the torque value is lesser and the force will tend to move the carriage assembly quite readily in the direction of the applied force.
  • Fig. 36 illustrates the details of one version of a detent aperture pattern that gives satisfactory operation of the safety release mechanism.
  • Three circular regions 281, 282, and 283 make up the pattern.
  • Circular region 281 defines the rest location of the associated roller and circular regions 282 and 283 define adjacent torque relief regions into which the associated roller may move depending on the direction of the applied torque.
  • the associated circular region 281 is formed with its centerline slightly above the position of a circle touching the two adjacent regions 282 and 283.
  • the shape of the aperture wall portions 284 and 285 also appears to affect the breakout torque threshold required to move the roller from the rest position to one of the relief positions. It appears to be preferable to start the tapering of the wall portions 284 and 285 from points A and B located slightly above the horizontal centerline of the rest circular region 281 to obtain a satisfactory breakaway action.
  • the spring force applied by the compression spring 278 also figures importantly into the breakout torque threshold value. If desired, an adjustment screw could be provided between the platform 277 and the associated lower end of compression spring 278 to adjust the amount of spring pressure applied between the mounting platform and the vertical rod portion 132.
  • Figs. 37 and 38 depict an alternative mounting arrangement for the edge stabilizing rod arrangement to accomplish a rotational detented safety release action.
  • a U-shaped vertical bracket 290 has a single pair of safety detent aperture patterns 291 in the front and back walls cooperating with a roller pair 293 mounted on the vertical mounting bar portion 132.
  • a pair of central guide apertures 292 cooperate with a roller pair 294 to maintain a guided vertical alignment of the bar portion 132 during the safety release detent action as shown.
  • Compression spring 296 and horizontal platform 295 perform the same functions is this embodiment as they do in the above described embodiment.
  • a compound mounting bracket (not shown) having a lower bracket member fastened to the stabilizer rod housing and an upper bracket member free to move back and forth within the housing could be used.
  • the upper bracket member would be spring loaded with respect to the lower bracket member and would have at least one detent aperture pattern therein together with a vertical guide aperture.

Landscapes

  • Blinds (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
EP86308094A 1985-10-17 1986-10-17 Vertikale Fensterabschirmungssysteme und vertikale Draperiesysteme Withdrawn EP0220074A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US78846085A 1985-10-17 1985-10-17
US788460 1985-10-17
US88846286A 1986-07-18 1986-07-18
US888462 1986-07-18

Publications (2)

Publication Number Publication Date
EP0220074A2 true EP0220074A2 (de) 1987-04-29
EP0220074A3 EP0220074A3 (de) 1987-08-26

Family

ID=27120805

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86308094A Withdrawn EP0220074A3 (de) 1985-10-17 1986-10-17 Vertikale Fensterabschirmungssysteme und vertikale Draperiesysteme

Country Status (4)

Country Link
EP (1) EP0220074A3 (de)
JP (1) JPS62164988A (de)
AU (1) AU602495B2 (de)
CA (1) CA1281992C (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0311304A2 (de) * 1987-10-06 1989-04-12 Hunter Douglas International Nv Vertikale Sonnenschutzvorrichtung
EP0316512A2 (de) * 1987-11-16 1989-05-24 Springs Industries Inc. Ziehharmonikaartig gefalteter Schichtstoff aus einer mit einer thermoplastischen Folie verstärkten Faserschicht
AU602495B2 (en) * 1985-10-17 1990-10-18 Andrew J. Toti Vertical window covering systems
US5287908A (en) * 1991-12-19 1994-02-22 Hunter Douglas Inc. Window covering assembly
US5392832A (en) * 1991-12-19 1995-02-28 Hunter Douglas Inc. Covering assembly for architectural openings

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2564242B2 (ja) * 1993-03-31 1996-12-18 セイキ住工株式会社 折り畳み式網戸
WO1994024401A1 (en) * 1993-04-16 1994-10-27 Yugenkaisha Watanabe Kasei Shading device, and method and apparatus for producing the same
US6648050B1 (en) 1997-11-04 2003-11-18 Andrew J. Toti Spring drive system and window cover

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE56179C (de) * R. D. SANDERS in Berkhamsted, Hartford, England Fenstervorsetzer
DE723769C (de) * 1939-12-19 1942-08-10 Herbert Simon Verdunkelungsvorrichtung
DE2530803A1 (de) * 1975-07-10 1977-01-27 Andreas Kruell Vorrichtung zum seitlichen verschieben der sich lotrecht erstreckenden lamellen eines sonnenstores oder zum verschieben eines durchgehenden stores
GB1554159A (en) * 1976-06-18 1979-10-17 Bestobell Home Prod Ltd Curtain assemblies
EP0111926A2 (de) * 1982-12-20 1984-06-27 Everlon, Inc. Aufhängevorrichtung für Stoffe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985613A (ja) * 1982-11-06 1984-05-17 モルザ株式会社 プリ−ツスクリ−ン
AU602495B2 (en) * 1985-10-17 1990-10-18 Andrew J. Toti Vertical window covering systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE56179C (de) * R. D. SANDERS in Berkhamsted, Hartford, England Fenstervorsetzer
DE723769C (de) * 1939-12-19 1942-08-10 Herbert Simon Verdunkelungsvorrichtung
DE2530803A1 (de) * 1975-07-10 1977-01-27 Andreas Kruell Vorrichtung zum seitlichen verschieben der sich lotrecht erstreckenden lamellen eines sonnenstores oder zum verschieben eines durchgehenden stores
GB1554159A (en) * 1976-06-18 1979-10-17 Bestobell Home Prod Ltd Curtain assemblies
EP0111926A2 (de) * 1982-12-20 1984-06-27 Everlon, Inc. Aufhängevorrichtung für Stoffe

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU602495B2 (en) * 1985-10-17 1990-10-18 Andrew J. Toti Vertical window covering systems
EP0311304A2 (de) * 1987-10-06 1989-04-12 Hunter Douglas International Nv Vertikale Sonnenschutzvorrichtung
EP0311304A3 (en) * 1987-10-06 1989-08-23 Hunter Douglas International Nv Vertical shade assembly
US4862941A (en) * 1987-10-06 1989-09-05 Hunter Douglas Inc. Vertical shade assembly
EP0316512A2 (de) * 1987-11-16 1989-05-24 Springs Industries Inc. Ziehharmonikaartig gefalteter Schichtstoff aus einer mit einer thermoplastischen Folie verstärkten Faserschicht
EP0316512A3 (de) * 1987-11-16 1990-10-03 Springs Industries Inc. Ziehharmonikaartig gefalteter Schichtstoff aus einer mit einer thermoplastischen Folie verstärkten Faserschicht
US5287908A (en) * 1991-12-19 1994-02-22 Hunter Douglas Inc. Window covering assembly
US5339883A (en) * 1991-12-19 1994-08-23 Hunter Douglas Inc. Covering assembly for architectural openings
US5392832A (en) * 1991-12-19 1995-02-28 Hunter Douglas Inc. Covering assembly for architectural openings
US5454414A (en) * 1991-12-19 1995-10-03 Hunter Douglas Inc. Window blind material and window covering assembly

Also Published As

Publication number Publication date
EP0220074A3 (de) 1987-08-26
CA1281992C (en) 1991-03-26
AU6417786A (en) 1987-04-30
JPS62164988A (ja) 1987-07-21
AU602495B2 (en) 1990-10-18
JPH0581712B2 (de) 1993-11-15

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