EP0892144A2 - Window blind or shade - Google Patents
Window blind or shade Download PDFInfo
- Publication number
- EP0892144A2 EP0892144A2 EP98305413A EP98305413A EP0892144A2 EP 0892144 A2 EP0892144 A2 EP 0892144A2 EP 98305413 A EP98305413 A EP 98305413A EP 98305413 A EP98305413 A EP 98305413A EP 0892144 A2 EP0892144 A2 EP 0892144A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bottom rail
- adjuster
- rail
- cord
- lift
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
- E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
- E06B9/32—Operating, guiding, or securing devices therefor
- E06B9/326—Details of cords, e.g. buckles, drawing knobs
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
- E06B2009/2625—Pleated screens, e.g. concertina- or accordion-like
Definitions
- This invention relates to an architectural covering, particularly a covering for an architectural opening, such as a window blind or shade.
- Conventional blinds and shades for windows have included a head rail, a bottom rail, one or more window covering elements extending between the head rail and the bottom rail, at least two lift cords extending from the head rail and supporting the bottom rail, and a mechanism to limit the downward movement or drop of the bottom rail.
- the drop height of the shades has usually been limited by a cord connector, engaging the cord outlet at the bottom of the head rail upon full drop of the bottom rail.
- pleated and roman shades have also been provided with an additional cord to limit drop.
- the full drop has usually been limited by the full extension of the ladder cords.
- an architectural covering such as a window blind or shade
- a head rail a bottom rail
- a covering element extending between the head rail and the bottom rail
- at least two lift cords extending from the head rail and supporting the bottom rail and means to limit the downward movement of the bottom rail and which also comprises an adjuster connected to at least one of the lift cords; the adjuster having: a first part, to which an end of the cord is secured; a second part engaging the bottom rail or the head rail; and means to adjust the relative position of the first and second parts.
- the adjuster of this invention regardless of whether one accurately positions the knot originally in the lift cord of a shade or blind for a particular window height, one can subsequently adjust the position of the knot, so that the bottom rail has a full drop which is correct for the particular window. This is particularly important where two or more lift cords are knotted together and the position of their knot must be adjusted to provide the correct drop for the bottom rail.
- the adjuster of the invention can be mounted in the bottom rail and be connected to the lower end of a lift cord. With such an arrangement, it is preferable that the second part of the adjuster form an end cap for the bottom rail.
- the adjuster can be provided in the cord connector and be connected to the upper end of the lift cords.
- the means to adjust the relative position of the first and second parts preferably comprises a screw connector between the first and second parts.
- the pleated blind 1, shown in Figure 1 includes a conventional, longitudinally-extending head rail 10 and bottom rail 12 and a pleated window covering material 13 extending between the head and bottom rails, all of which are supported by three conventional lift cords 14.
- Conventional brackets 15 are provided for mounting the head rail 10 on a wall, adjacent to a window (not shown).
- the lift cords 14 pass over conventional guide means in the head rail 10 and then out of the bottom of the head rail through a cord lock 16.
- the three lift cords 14 are connected by a conventional connector 18, from which a tassel 19 depends. This allows one to raise and lower the blind 1 by pulling downwardly on the tassel 19 to raise and lower the connection of the lift cords 14 to the bottom rail 12.
- the connector 18 also serves to limit the drop height of the blind 1 by limiting the downward movement of the bottom rail 12.
- the connector 18 engages the cord lock 16 at the limit of the drop height, whereby the connector 18 cannot go upwardly any further and, as a result, the bottom rail cannot go downwardly any further.
- the bottom of the bottom rail 12 is of channel section and is provided with laterally opposite, i.e., front and rear, flanges 22 that extend longitudinally and laterally away from each other and with laterally opposite ribs 23 that extend longitudinally and laterally towards each other, above the flanges 22.
- the ribs 23 act as longitudinally-extending guide rails for a first part 26 of an adjuster 27 of this invention as described below.
- the top of the bottom rail 12 is provided with laterally opposite flanges 24 that extend longitudinally and laterally towards each other and serve to hold a second part 28 of the adjuster 27 on the end of the bottom rail 12.
- a pair of laterally opposite prongs 29, which extend longitudinally from the second adjuster part 28, can be inserted and frictionally held between the flanges 24 and the top surface 21 of the bottom rail 12.
- the second adjuster part 28 forms an end cap for the bottom rail 12, thereby securely engaging the bottom rail.
- a longitudinally-elongate adjuster screw 30 Passing longitudinally through the second adjuster part 28 is a longitudinally-elongate adjuster screw 30 having a head 32 outside the end of the bottom rail 12 and a screw portion 33 within the bottom rail.
- the screw portion 33 of the adjuster screw 30 passes longitudinally through an aperture 35 in a lowered central portion 34 of the first adjuster part 26.
- the screw portion 33 of the adjuster screw 30 is self-tapping and forms a female thread on the walls of the aperture 35 of the first adjuster part 26.
- first adjuster part 26 Rotation of the screw head 32 of the adjuster screw 30, with a conventional screwdriver, will cause the first adjuster part 26 to move longitudinally to the left or right, depending on the direction of rotation of the adjuster screw, towards or away form the second adjuster part 28.
- longitudinally-extending grooves 36 are provided on laterally opposite sides of the lowered portion 34 of the first adjuster part, and the ribs 23 of the bottom rail 12 can ride within the grooves 36 when the first adjuster part is moved longitudinally. If the first adjuster part 26 is molded from a plastic material or rubber, it will have a self-locking effect on the adjuster screw 30, thereby preventing unwanted longitudinal movement of the first adjuster part.
- the lowered central portion 34 of the first adjuster part 26 also has, on laterally opposite sides, two longitudinally-extending slots or elongate recesses 38, through each of which all the lift cords 14 pass in a longitudinal direction.
- Each lift cord 14 passes through both of the slots 38 and along the side of the first adjuster part 26 closest to the second adjuster part 28, and the lift cord ends 40 are then knotted together on the other side of the first adjuster part 26, remote from the second adjuster part 28.
- the resulting knot 42, formed by the ends 40 of the lift cords 14 is preferably held by the lift cords against this other side of the first adjuster part 26, remote from the second adjuster part 28, by the weight of the bottom rail 12 suspended from the lift cords 14 as shown in Figure 2.
- each lift cord 14 (only one of which is shown in Figure 2) then passes from the first adjuster part 26, upwardly through one of the openings 20 in the top wall 21 of the bottom rail 12 and then through the window covering material 13 to the head rail 10.
- a similar adjuster can be provided in the cord connector 18.
- an adjuster 27 can be provided at each end of the bottom rail 12, thereby allowing the length of each individual lift cord above the bottom rail to be adjusted, so that the bottom rail 12 is perfectly level.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Blinds (AREA)
Abstract
An architectural covering which has a head rail (10), a bottom rail (12), a covering
element (13) extending between the head rail (10) and the bottom rail (12), at least two lift cords (14)
extending from the head rail (10) and supporting the bottom rail (12) and means to limit the
downward movement of the bottom rail and which also comprises an adjuster (27) connected
to at least one of the lift cords (14); the adjuster (27) having: a first part (26), to which an end of the
cord is secured; a second part (28) engaging the bottom rail (12) or the head rail (10); and means (30) to
adjust the relative position of the first (26) and second parts (28).
Description
This invention relates to an architectural covering, particularly a covering
for an architectural opening, such as a window blind or shade.
Conventional blinds and shades for windows have included a head rail, a
bottom rail, one or more window covering elements extending between the head rail and
the bottom rail, at least two lift cords extending from the head rail and supporting the
bottom rail, and a mechanism to limit the downward movement or drop of the bottom
rail.
For pleated or roman shades, the drop height of the shades has usually
been limited by a cord connector, engaging the cord outlet at the bottom of the head rail
upon full drop of the bottom rail. Sometimes, pleated and roman shades have also been
provided with an additional cord to limit drop. On the other hand, for venetian blinds,
the full drop has usually been limited by the full extension of the ladder cords.
Limiting drop, without additional cords, by making use of the lift cord has
presented obvious advantages because fewer elements are used in assembling the blinds
or shades. Experience has shown, however, that providing the proper lengths of the lift
cords between the head rail and the bottom rail for controlling drop has not always been
easy. Conventional shades have had a minimum of two lift cords co-extending through
the shade members and holding the bottom rail at several locations spaced along its
length. The free ends of these lift cords have extended through the head rail to an exit
opening or cord lock in one of its longitudinal ends, and the free ends have optionally
been joined or knotted together in a cord connector outside the head rail.
Accurate adjustment of drop has also been important because the bottom
rail should not hit the window sill, nor should it be suspended too high, so that an
unsightly gap exists between the bottom rail and the window sill. However, it has not
always been easy to set precisely the drop by adjusting the final location of a knot along
the lift cords, at least prior to making the knot.
According to this invention, an architectural covering, such as a window
blind or shade, is provided which has a head rail, a bottom rail, a covering element
extending between the head rail and the bottom rail, at least two lift cords extending from
the head rail and supporting the bottom rail and means to limit the downward movement
of the bottom rail and which also comprises an adjuster connected to at least one of the
lift cords; the adjuster having: a first part, to which an end of the cord is secured; a
second part engaging the bottom rail or the head rail; and means to adjust the relative
position of the first and second parts.
With the adjuster of this invention, regardless of whether one accurately
positions the knot originally in the lift cord of a shade or blind for a particular window
height, one can subsequently adjust the position of the knot, so that the bottom rail has a
full drop which is correct for the particular window. This is particularly important where
two or more lift cords are knotted together and the position of their knot must be adjusted
to provide the correct drop for the bottom rail.
The adjuster of the invention can be mounted in the bottom rail and be
connected to the lower end of a lift cord. With such an arrangement, it is preferable that
the second part of the adjuster form an end cap for the bottom rail. Alternatively for
blinds provided with a cord connector which connects the lift cords and abuts the head
rail, the adjuster can be provided in the cord connector and be connected to the upper end
of the lift cords. In either embodiment, the means to adjust the relative position of the
first and second parts preferably comprises a screw connector between the first and
second parts.
Further aspects of the invention will be apparent from the detailed
description below of particular embodiments and the drawings thereof, in which:
- Figure 1 is a perspective view of a pleated blind;
- Figure 2 is a schematic upward view of the interior of the bottom rail of the blind of Figure 1, containing an adjuster of this invention.
- Figure 3 is an upward exploded perspective view of the bottom rail of the blind of Figure 1, containing the adjuster of this invention.
The pleated blind 1, shown in Figure 1, includes a conventional,
longitudinally-extending head rail 10 and bottom rail 12 and a pleated window covering
material 13 extending between the head and bottom rails, all of which are supported by
three conventional lift cords 14. Conventional brackets 15 are provided for mounting the
head rail 10 on a wall, adjacent to a window (not shown). The lift cords 14 pass over
conventional guide means in the head rail 10 and then out of the bottom of the head rail
through a cord lock 16. The three lift cords 14 are connected by a conventional
connector 18, from which a tassel 19 depends. This allows one to raise and lower the
blind 1 by pulling downwardly on the tassel 19 to raise and lower the connection of the
lift cords 14 to the bottom rail 12.
The connector 18 also serves to limit the drop height of the blind 1 by
limiting the downward movement of the bottom rail 12. In this regard, the connector 18
engages the cord lock 16 at the limit of the drop height, whereby the connector 18 cannot
go upwardly any further and, as a result, the bottom rail cannot go downwardly any
further.
The bottom ends of the three cords 14 are knotted together in a
conventional manner (not shown) after each cord has been passed through one of the
three openings 20 in the top surface 21 of the bottom rail 12. However, as mentioned
above, it is never certain that the lengths of all the cords 14 above the knot (not shown in
Figure 1) have been accurately set for the desired lowermost position of the bottom rail
12.
Referring now to Figures 2 and 3, the bottom of the bottom rail 12 is of
channel section and is provided with laterally opposite, i.e., front and rear, flanges 22
that extend longitudinally and laterally away from each other and with laterally opposite
ribs 23 that extend longitudinally and laterally towards each other, above the flanges 22.
The ribs 23 act as longitudinally-extending guide rails for a first part 26 of an adjuster 27
of this invention as described below. The top of the bottom rail 12 is provided with
laterally opposite flanges 24 that extend longitudinally and laterally towards each other
and serve to hold a second part 28 of the adjuster 27 on the end of the bottom rail 12. In
this regard, a pair of laterally opposite prongs 29, which extend longitudinally from the
second adjuster part 28, can be inserted and frictionally held between the flanges 24 and
the top surface 21 of the bottom rail 12.
The second adjuster part 28 forms an end cap for the bottom rail 12,
thereby securely engaging the bottom rail. Passing longitudinally through the second
adjuster part 28 is a longitudinally-elongate adjuster screw 30 having a head 32 outside
the end of the bottom rail 12 and a screw portion 33 within the bottom rail. The screw
portion 33 of the adjuster screw 30 passes longitudinally through an aperture 35 in a
lowered central portion 34 of the first adjuster part 26. Preferably the screw portion 33
of the adjuster screw 30 is self-tapping and forms a female thread on the walls of the
aperture 35 of the first adjuster part 26.
Rotation of the screw head 32 of the adjuster screw 30, with a
conventional screwdriver, will cause the first adjuster part 26 to move longitudinally to
the left or right, depending on the direction of rotation of the adjuster screw, towards or
away form the second adjuster part 28. In this regard, longitudinally-extending grooves
36 are provided on laterally opposite sides of the lowered portion 34 of the first adjuster
part, and the ribs 23 of the bottom rail 12 can ride within the grooves 36 when the first
adjuster part is moved longitudinally. If the first adjuster part 26 is molded from a
plastic material or rubber, it will have a self-locking effect on the adjuster screw 30,
thereby preventing unwanted longitudinal movement of the first adjuster part.
The lowered central portion 34 of the first adjuster part 26 also has, on
laterally opposite sides, two longitudinally-extending slots or elongate recesses 38,
through each of which all the lift cords 14 pass in a longitudinal direction. Each lift cord
14 passes through both of the slots 38 and along the side of the first adjuster part 26
closest to the second adjuster part 28, and the lift cord ends 40 are then knotted together
on the other side of the first adjuster part 26, remote from the second adjuster part 28.
The resulting knot 42, formed by the ends 40 of the lift cords 14, is preferably held by
the lift cords against this other side of the first adjuster part 26, remote from the second
adjuster part 28, by the weight of the bottom rail 12 suspended from the lift cords 14 as
shown in Figure 2.
The remainder 44 of each lift cord 14 (only one of which is shown in
Figure 2) then passes from the first adjuster part 26, upwardly through one of the
openings 20 in the top wall 21 of the bottom rail 12 and then through the window
covering material 13 to the head rail 10.
With the blind 1 of the invention, one can approximately set the drop of
the bottom rail 12 by providing the knot 42 of the lift cords 14 at an appropriate position
at the ends 40 of all the lift cords 14. Then, a fine adjustment of the drop of the bottom
rail can be achieved by moving the first adjuster part 26 relative to the second adjuster
second part 28, using its screw 30.
Additionally or alternatively, a similar adjuster can be provided in the cord
connector 18. Also if desired, an adjuster 27 can be provided at each end of the bottom
rail 12, thereby allowing the length of each individual lift cord above the bottom rail to
be adjusted, so that the bottom rail 12 is perfectly level.
This invention is, of course, not limited to the above-described
embodiment which may be modified without departing from the scope of the invention or
sacrificing all of its advantages. In this regard, the terms in the foregoing description,
such as "left", "right", "longitudinal", "lateral", "upper", "lower", "bottom" and "top",
have been used only as relative terms to describe the relationships of the various elements
of the window shade or blind of the invention.
Claims (8)
- An architectural covering which has a head rail, a bottom rail, a covering element extending between the head rail and the bottom rail, at least two lift cords extending from the head rail and supporting the bottom rail and means to limit the downward movement of the bottom rail and which also comprises an adjuster connected to at least one of the lift cords; the adjuster having: a first part, to which an end of the cord is secured; a second part engaging the bottom rail or the head rail; and means to adjust the relative position of the first and second parts.
- The architectural covering of claim 1 wherein the lift cords are knotted together and the position of their knot is to be adjusted to provide the correct drop for the bottom rail.
- The architectural covering of claim 1 or 2 wherein the adjuster is mounted in the bottom rail and is connected to a lower end of a lift cord.
- The architectural covering of claim 3 wherein the second part of the adjuster forms an end cap for the bottom rail.
- The architectural covering of claim 4 wherein the first part of the adjuster is connected to a lower end of a lift cord.
- The architectural covering of claim 1 or 2 wherein a cord connector connects the lift cords and abuts the head rail; the cord connector being adapted to abut against the head rail to limit the downward movement of the bottom rail; and the adjuster is in the cord connector and is connected to an upper end of a lift cord.
- The architectural covering of any one of claims 1-6 wherein the means to adjust the relative position of the first and second parts comprises means for adjusting the distance between the first and second parts.
- The architectural covering of claim 7 wherein the means to adjust the relative position of the first and second parts comprises a screw connector between the first and second parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19980305413 EP0892144B1 (en) | 1997-07-14 | 1998-07-08 | Window blind or shade |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97305186 | 1997-07-14 | ||
| EP97305186 | 1997-07-14 | ||
| EP19980305413 EP0892144B1 (en) | 1997-07-14 | 1998-07-08 | Window blind or shade |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0892144A2 true EP0892144A2 (en) | 1999-01-20 |
| EP0892144A3 EP0892144A3 (en) | 2000-12-20 |
| EP0892144B1 EP0892144B1 (en) | 2008-02-20 |
Family
ID=26147506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19980305413 Expired - Lifetime EP0892144B1 (en) | 1997-07-14 | 1998-07-08 | Window blind or shade |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0892144B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007033665A1 (en) * | 2005-09-21 | 2007-03-29 | Vkr Holding A/S | Screening arrangement comprising adjustment means |
| NL2008370C2 (en) * | 2012-02-28 | 2013-09-02 | Hunter Douglas Ind Bv | A retractable covering. |
| WO2013129919A1 (en) | 2012-02-28 | 2013-09-06 | Hunter Douglas Industries B.V. | A covering for an architectural opening |
| US11891855B2 (en) | 2020-01-28 | 2024-02-06 | Levolor, Inc. | Leveling assembly for adjusting the levelness of a bottom rail of a covering for an architectural structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH415004A (en) * | 1964-02-17 | 1966-06-15 | Strahm Andre | Slatted blind |
| US4557309A (en) * | 1983-08-24 | 1985-12-10 | Verosol Usa Inc. | Sun blind |
| EP0192867A1 (en) * | 1985-02-27 | 1986-09-03 | Hunter Douglas Industries B.V. | Venetian blind |
| US4739815A (en) * | 1985-08-26 | 1988-04-26 | Beacon Looms | Balloon curtain |
| US5082043A (en) * | 1989-09-29 | 1992-01-21 | Msa Aircraft Interior Products, Inc. | Window shade mechanism for a modular aircraft window |
| US5473797A (en) * | 1994-11-18 | 1995-12-12 | Wu; Te-Tsun | Safety device for fixing cords of venetian blind |
-
1998
- 1998-07-08 EP EP19980305413 patent/EP0892144B1/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH415004A (en) * | 1964-02-17 | 1966-06-15 | Strahm Andre | Slatted blind |
| US4557309A (en) * | 1983-08-24 | 1985-12-10 | Verosol Usa Inc. | Sun blind |
| EP0192867A1 (en) * | 1985-02-27 | 1986-09-03 | Hunter Douglas Industries B.V. | Venetian blind |
| US4739815A (en) * | 1985-08-26 | 1988-04-26 | Beacon Looms | Balloon curtain |
| US5082043A (en) * | 1989-09-29 | 1992-01-21 | Msa Aircraft Interior Products, Inc. | Window shade mechanism for a modular aircraft window |
| US5473797A (en) * | 1994-11-18 | 1995-12-12 | Wu; Te-Tsun | Safety device for fixing cords of venetian blind |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007033665A1 (en) * | 2005-09-21 | 2007-03-29 | Vkr Holding A/S | Screening arrangement comprising adjustment means |
| NL2008370C2 (en) * | 2012-02-28 | 2013-09-02 | Hunter Douglas Ind Bv | A retractable covering. |
| WO2013129919A1 (en) | 2012-02-28 | 2013-09-06 | Hunter Douglas Industries B.V. | A covering for an architectural opening |
| WO2013129932A2 (en) | 2012-02-28 | 2013-09-06 | Hunter Douglas Industries B.V. | A retractable covering |
| WO2013129932A3 (en) * | 2012-02-28 | 2013-12-05 | Hunter Douglas Industries B.V. | A retractable covering |
| AU2013226628B2 (en) * | 2012-02-28 | 2016-11-24 | Hunter Douglas Industries B.V. | A retractable covering |
| US9863185B2 (en) | 2012-02-28 | 2018-01-09 | Hunter Douglas Industries Bv | Retractable covering |
| US11891855B2 (en) | 2020-01-28 | 2024-02-06 | Levolor, Inc. | Leveling assembly for adjusting the levelness of a bottom rail of a covering for an architectural structure |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0892144B1 (en) | 2008-02-20 |
| EP0892144A3 (en) | 2000-12-20 |
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