US20110036518A1 - Safe structure of cord set for window curtain - Google Patents
Safe structure of cord set for window curtain Download PDFInfo
- Publication number
- US20110036518A1 US20110036518A1 US12/461,401 US46140109A US2011036518A1 US 20110036518 A1 US20110036518 A1 US 20110036518A1 US 46140109 A US46140109 A US 46140109A US 2011036518 A1 US2011036518 A1 US 2011036518A1
- Authority
- US
- United States
- Prior art keywords
- cord
- towing
- buckle
- connecting member
- cords
- 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.)
- Abandoned
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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
- E06B9/262—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
- E06B2009/2622—Gathered vertically; Roman, Austrian or festoon blinds
Definitions
- the present invention relates to a technique concerning the structure of a window curtain, and especially to an improved safe structure of a cord set for a window curtain.
- Curtains normally need to be provided with cord sets for the convenience of operation of contracting/stretching them.
- a Roman shade as an example, it includes a base, a plurality of towing cords pending below the base, a shade body provided below the base to be controlled by the towing cord, a pulling cord unit extending out of the base to connect with the towing cord to manipulate the actions of contracting/stretching the cord.
- the primary object of the present invention is to provide an improved safe structure of a cord set for a window curtain, in order that when a cord set of a curtain is wound around the neck or a limb of a child inadvertently, the structure can fast and effectively relieve the tension of the cord set, so that the child can get rid of the binding force of the cord set or the binding force of the cord set can be lowered, and the danger that the child suffocates or his limb gets hurt can be avoided.
- the so called curtain includes a base, a plurality of towing cords pending below the base, a shade body provided below the base to be controlled by the towing cords to manipulate the actions of contracting/stretching; a pulling cord unit extending out of the base to connect with the towing cords to allow a user to manipulate the actions of contracting/stretching with the towing cords.
- the shade body is provided for each towing cord with a plurality of buckles for extending therethrough of the towing cord and with a connector for connecting an end of the towing cord.
- the connector includes a socket fixed on the shade body, an insertion connecting member insertion connected with the socket; the caliber of each of the buckles can allow extending of the insertion connecting member therethrough; the socket is provided with a jack which is provided on its two inner lateral sides with at least a pair of mutually symmetrical grooves; the front end of the insertion connecting member is a V shaped plug, while the rear end of the latter is a connecting portion for connecting the cord set.
- the V shaped plug is provided in its middle with a spare slit for compression, and is provided on its two lateral sides with curved protruding portions in correspondence with the grooves; the tailing end of the connecting portion for connecting the cord set is provided with a guide hole for extending of the towing cord therethrough; a blind hole is in communication with the guide hole to make an end segment of the towing cord not protruding out of the surface of the connecting portion when being placed in the blind hole, in order that the insertion connecting member is released from the socket when the towing cord is exerted with an axial pulling force over a predetermined value, and in order that an end segment of the towing cord is prevented from protruding out of the surface of the connecting portion to block the buckle.
- the buckle is provided thereon with a breaking slit having a width smaller than that of the diameter of the towing cord; thereby the towing cord can be released from the buckle when it is exerted with an axial pulling force over a predetermined value an axial pulling force over a predetermined value.
- FIG. 1 is a perspective view showing the appearance of a first embodiment of the present invention
- FIG. 2 is a schematic view showing an enlarged part of the first embodiment of the present invention
- FIG. 3 is a side view of a connector of the first embodiment of the present invention.
- FIG. 4 is a perspective view showing the appearance of an insertion connecting member of the first embodiment of the present invention.
- FIG. 5 is a schematic view showing the towing cord is released from the buckle of the first embodiment of the present invention.
- FIG. 6 is a schematic view showing a connector of a second embodiment of the present invention.
- the curtain of the present invention includes a base 10 , a plurality of towing cords 20 pending below the base 10 , a shade body 30 provided below the base 10 to be controlled by the towing cords 20 to manipulate the actions of contracting/stretching; a pulling cord unit 40 extending out of the base 10 to connect with the towing cords 20 to allow a user to manipulate the actions of contracting/stretching with the towing cords 20 .
- the shade body 30 is provided for each towing cord 20 with a plurality of buckles 50 for extending therethrough of the towing cord 20 and with a connector 60 for connecting an end of the towing cord 20 .
- FIG. 3 is a side view of a connector 60 of the first embodiment of the present invention
- the connector 60 includes a socket 61 fixed on the shade body 30 , an insertion connecting member 62 insertion connected with the socket 61 ; the caliber of each of the buckles 50 can allow extending of the insertion connecting member 62 therethrough; the socket 61 is provided with a jack 611 which is provided on its two inner lateral sides with at least a pair of mutually symmetrical grooves 612 .
- FIG. 4 is a perspective view showing the appearance of the insertion connecting member 62 of the first embodiment of the present invention
- the front end of the insertion connecting member 62 is a V shaped plug 621
- the rear end of the latter is a connecting portion 622 for connecting the cord set.
- the V shaped plug 621 is provided in its middle with a spare slit 623 for compression, and is provided on its two lateral sides with curved protruding portions 624 in correspondence with the grooves 612 ;
- the tailing end of the connecting portion 622 for connecting the cord set is provided with a guide hole 625 for extending of the towing cord 20 therethrough;
- a blind hole 626 is in communication with the guide hole 625 to make an end segment of the towing cord 20 not protruding out of the surface of the connecting portion 622 when being placed in the blind hole 626 , in order that the insertion connecting member 622 is released from the socket 61 when the towing cord 20 is exerted with an axial pulling force over a predetermined value, and in order that the end segment of the towing cord is prevented from protruding out of the surface of the connecting portion 622 to block the buckle 50 .
- FIG. 5 is a schematic view showing that the towing cord is released from the buckle 50 of the first embodiment of the present invention
- the buckle 50 is provided thereon with a breaking slit 51 having a width smaller than that of the diameter of the towing cord 20 , thereby the towing cord 20 can be released from the buckle 50 when it is exerted with an axial pulling force over a predetermined value; wherein the buckle 50 is in a “D” shape, and the breaking slit 51 is extended from a central position on the inner curved side of the buckle 50 obliquely to a non-central position on the outer curved side of the buckle 50 , in order that the towing cord 20 can be prevented from being released from the buckle 50 inadvertently in normal operation.
- FIG. 6 is a schematic view showing a connector of a second embodiment of the present invention, this embodiment is a variation of the first embodiment, and discloses mainly a different technical means to release the connector from a pressure; in this embodiment, a spare slit 623 for compression provided in the middle of a V shaped plug 621 is longer than that of the first embodiment, thereby the pulling force needed for releasing the V shaped plug 621 out of a jack 611 can be changed.
- the jack 611 is provided on its two inner lateral sides with two sets of mutually symmetrical grooves 612 , the calibers of the two sets of mutually symmetrical grooves 612 are different, so that when curved protruding portions 624 on the two lateral sides of the V shaped plug 621 are engaged in one set of the grooves 612 , a combining force is provided, different set of grooves 612 provides different combining forces, so that a user can choose by himself an appropriate set of grooves 612 for engaging in of the curved protruding portions 624 in order to have different pulling forces to make releasing of the V shaped plug 621 from a jack 611 .
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
An improved safe structure of cord set for a window curtain includes a base, a plurality of towing cords, a shade body and a pulling cord unit. The shade body is provided for each towing cord with buckles and a connector for connecting an end of the towing cord. The connector includes a socket fixed on the shade body, an insertion connecting member connected with the socket for fixing an end of the towing cords, the insertion connecting member has a blind hole for placing therein an end segment of the towing cords, thereby blocking of the end segment in the buckle is prevented when the connecting member is released from the socket, the buckle has thereon a breaking slit, thereby the towing cord can be loosened and released from the buckle when it is exerted with an axial pulling force over a predetermined value.
Description
- 1. Field of the Invention
- The present invention relates to a technique concerning the structure of a window curtain, and especially to an improved safe structure of a cord set for a window curtain.
- 2. Description of the Prior Art
- There are many kinds of curtains for decoration, covering, obscuring etc., for instance, they include Roman shades, roller shades etc. to be widely used in houses.
- Curtains normally need to be provided with cord sets for the convenience of operation of contracting/stretching them. Taking a Roman shade as an example, it includes a base, a plurality of towing cords pending below the base, a shade body provided below the base to be controlled by the towing cord, a pulling cord unit extending out of the base to connect with the towing cord to manipulate the actions of contracting/stretching the cord.
- The above mentioned towing cord, pulling cord unit etc. are most possible to induce a dangerous accident such as a curious child has his neck tied tight or his limbs wound, many countries and districts in the world forcedly stipulated one after one that design of cord sets must be able to avoid occurrence of accidents for the purpose of preventing the accidents such as a cord set of a curtain ties a neck or a limb of a child tight to result a danger of suffocating or hurt.
- Therefore, the inventor studied and designed the present invention according to the requirement of a safe structural concerning the towing cords on a window curtain to provide safety in use of the window curtain.
- The primary object of the present invention is to provide an improved safe structure of a cord set for a window curtain, in order that when a cord set of a curtain is wound around the neck or a limb of a child inadvertently, the structure can fast and effectively relieve the tension of the cord set, so that the child can get rid of the binding force of the cord set or the binding force of the cord set can be lowered, and the danger that the child suffocates or his limb gets hurt can be avoided.
- In the improved safe structure of cord set for a window curtain of the present invention, the so called curtain includes a base, a plurality of towing cords pending below the base, a shade body provided below the base to be controlled by the towing cords to manipulate the actions of contracting/stretching; a pulling cord unit extending out of the base to connect with the towing cords to allow a user to manipulate the actions of contracting/stretching with the towing cords. The shade body is provided for each towing cord with a plurality of buckles for extending therethrough of the towing cord and with a connector for connecting an end of the towing cord. The connector includes a socket fixed on the shade body, an insertion connecting member insertion connected with the socket; the caliber of each of the buckles can allow extending of the insertion connecting member therethrough; the socket is provided with a jack which is provided on its two inner lateral sides with at least a pair of mutually symmetrical grooves; the front end of the insertion connecting member is a V shaped plug, while the rear end of the latter is a connecting portion for connecting the cord set. The V shaped plug is provided in its middle with a spare slit for compression, and is provided on its two lateral sides with curved protruding portions in correspondence with the grooves; the tailing end of the connecting portion for connecting the cord set is provided with a guide hole for extending of the towing cord therethrough; a blind hole is in communication with the guide hole to make an end segment of the towing cord not protruding out of the surface of the connecting portion when being placed in the blind hole, in order that the insertion connecting member is released from the socket when the towing cord is exerted with an axial pulling force over a predetermined value, and in order that an end segment of the towing cord is prevented from protruding out of the surface of the connecting portion to block the buckle. The buckle is provided thereon with a breaking slit having a width smaller than that of the diameter of the towing cord; thereby the towing cord can be released from the buckle when it is exerted with an axial pulling force over a predetermined value an axial pulling force over a predetermined value.
- The present invention will be apparent in its technical means after reading the detailed description of the preferred embodiment thereof in reference to the accompanying drawings.
-
FIG. 1 is a perspective view showing the appearance of a first embodiment of the present invention; -
FIG. 2 is a schematic view showing an enlarged part of the first embodiment of the present invention; -
FIG. 3 is a side view of a connector of the first embodiment of the present invention; -
FIG. 4 is a perspective view showing the appearance of an insertion connecting member of the first embodiment of the present invention; -
FIG. 5 is a schematic view showing the towing cord is released from the buckle of the first embodiment of the present invention; -
FIG. 6 is a schematic view showing a connector of a second embodiment of the present invention. - Referring to
FIGS. 1 and 2 which are respectively a perspective view of the appearance of and a schematic view showing an enlarged part of a first embodiment of the present invention, the drawings are depicted that the curtain of the present invention includes abase 10, a plurality oftowing cords 20 pending below thebase 10, ashade body 30 provided below thebase 10 to be controlled by thetowing cords 20 to manipulate the actions of contracting/stretching; apulling cord unit 40 extending out of thebase 10 to connect with thetowing cords 20 to allow a user to manipulate the actions of contracting/stretching with thetowing cords 20. Theshade body 30 is provided for eachtowing cord 20 with a plurality ofbuckles 50 for extending therethrough of thetowing cord 20 and with aconnector 60 for connecting an end of thetowing cord 20. - Referring to
FIGS. 2 and 3 , whereinFIG. 3 is a side view of aconnector 60 of the first embodiment of the present invention, theconnector 60 includes asocket 61 fixed on theshade body 30, aninsertion connecting member 62 insertion connected with thesocket 61; the caliber of each of thebuckles 50 can allow extending of theinsertion connecting member 62 therethrough; thesocket 61 is provided with ajack 611 which is provided on its two inner lateral sides with at least a pair of mutuallysymmetrical grooves 612. - Referring to
FIGS. 3 and 4 , whereinFIG. 4 is a perspective view showing the appearance of theinsertion connecting member 62 of the first embodiment of the present invention; the front end of theinsertion connecting member 62 is a Vshaped plug 621, while the rear end of the latter is a connectingportion 622 for connecting the cord set. - The V
shaped plug 621 is provided in its middle with aspare slit 623 for compression, and is provided on its two lateral sides with curved protrudingportions 624 in correspondence with thegrooves 612; the tailing end of the connectingportion 622 for connecting the cord set is provided with aguide hole 625 for extending of thetowing cord 20 therethrough; ablind hole 626 is in communication with theguide hole 625 to make an end segment of thetowing cord 20 not protruding out of the surface of the connectingportion 622 when being placed in theblind hole 626, in order that theinsertion connecting member 622 is released from thesocket 61 when thetowing cord 20 is exerted with an axial pulling force over a predetermined value, and in order that the end segment of the towing cord is prevented from protruding out of the surface of the connectingportion 622 to block thebuckle 50. - Referring to
FIG. 5 which is a schematic view showing that the towing cord is released from thebuckle 50 of the first embodiment of the present invention, thebuckle 50 is provided thereon with abreaking slit 51 having a width smaller than that of the diameter of thetowing cord 20, thereby thetowing cord 20 can be released from thebuckle 50 when it is exerted with an axial pulling force over a predetermined value; wherein thebuckle 50 is in a “D” shape, and the breakingslit 51 is extended from a central position on the inner curved side of thebuckle 50 obliquely to a non-central position on the outer curved side of thebuckle 50, in order that thetowing cord 20 can be prevented from being released from thebuckle 50 inadvertently in normal operation. -
FIG. 6 is a schematic view showing a connector of a second embodiment of the present invention, this embodiment is a variation of the first embodiment, and discloses mainly a different technical means to release the connector from a pressure; in this embodiment, aspare slit 623 for compression provided in the middle of a Vshaped plug 621 is longer than that of the first embodiment, thereby the pulling force needed for releasing the V shapedplug 621 out of ajack 611 can be changed. - And more, the
jack 611 is provided on its two inner lateral sides with two sets of mutuallysymmetrical grooves 612, the calibers of the two sets of mutuallysymmetrical grooves 612 are different, so that when curved protrudingportions 624 on the two lateral sides of the Vshaped plug 621 are engaged in one set of thegrooves 612, a combining force is provided, different set ofgrooves 612 provides different combining forces, so that a user can choose by himself an appropriate set ofgrooves 612 for engaging in of the curved protrudingportions 624 in order to have different pulling forces to make releasing of the V shapedplug 621 from ajack 611. - The embodiment depicted and stated above is only for illustrating preferred embodiments of the present invention, and not for giving any limitation to the scope of the present invention. It will be apparent to those skilled in this art that various equivalent modifications or changes without departing from the spirit of this invention shall also fall within the scope of the appended claims.
Claims (3)
1. An improved safe structure of cord set for a window curtain, said curtain includes a base, a plurality of towing cords pending below said base, a shade body provided below said base to be controlled by said towing cords to manipulate actions of contracting/stretching, a pulling cord unit extending out of said base to connect with said towing cords to allow a user to manipulate said actions of contracting/stretching with said towing cords; said shade body is provided for each of said towing cords with a plurality of buckles for extending therethrough of said towing cord and with a connector for connecting an end of said towing cord; said improved safe structure of cord set is characterized in that:
said connector includes a socket fixed on said shade body, an insertion connecting member insertion connected with said socket, caliber of each of said buckles allows extending of said insertion connecting member therethrough; said socket is provided with a jack which is provided on its two inner lateral sides with at least a pair of mutually symmetrical grooves; a front end of said insertion connecting member is a V shaped plug, while a rear end of said insertion connecting member is a connecting portion for connecting said cord set; said V shaped plug is provided in its middle with a spare slit for compression, and is provided on its two lateral sides with curved protruding portions in correspondence with said grooves; a tailing end of said connecting portion for connecting said cord set is provided with a guide hole for extending of said towing cord therethrough; a blind hole is in communication with said guide hole to make an end segment of said towing cord not protruding out of the surface of said connecting portion when being placed in said blind hole, in order that said insertion connecting member is released from said socket when said towing cord is exerted with an axial pulling force over a predetermined value, and in order that said end segment of said towing cord is prevented from protruding out of said surface of said connecting portion to block said buckle; said buckle is provided thereon with a breaking slit having a width smaller than that of a diameter of said towing cord, thereby said towing cord is released from said buckle when it is exerted with said axial pulling force over a predetermined value.
2. The improved safe structure of cord set for a window curtain as in claim 1 , wherein: said buckle is in a “D” shape, and said breaking slit is extended from a central position on an inner curved side of said buckle obliquely to a non-central position on an outer curved side of buckle.
3. The improved safe structure of cord set for a window curtain as in claim 1 , wherein: said jack is provided on its two inner lateral sides with two sets of mutually symmetrical grooves, said calibers of said two sets of mutually symmetrical grooves are different, so that when said curved protruding portions on said two lateral sides of said V shaped plug are engaged in one set of said grooves, a combining force is provided, different set of grooves provides different combining forces.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/461,401 US20110036518A1 (en) | 2009-08-11 | 2009-08-11 | Safe structure of cord set for window curtain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/461,401 US20110036518A1 (en) | 2009-08-11 | 2009-08-11 | Safe structure of cord set for window curtain |
Publications (1)
Publication Number | Publication Date |
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US20110036518A1 true US20110036518A1 (en) | 2011-02-17 |
Family
ID=43587899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/461,401 Abandoned US20110036518A1 (en) | 2009-08-11 | 2009-08-11 | Safe structure of cord set for window curtain |
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US (1) | US20110036518A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110100569A1 (en) * | 2009-11-02 | 2011-05-05 | David Perkowitz | Window shade and method of use thereof |
US20110203079A1 (en) * | 2008-08-22 | 2011-08-25 | Anthony James M | System for confining lift cords in coverings for architectural openings |
US20110232852A1 (en) * | 2009-11-02 | 2011-09-29 | David Perkowitz | Window Shade and Method of Use Thereof |
US20110289735A1 (en) * | 2010-06-01 | 2011-12-01 | Antony Barnes | Cord Guide Element |
US8505607B2 (en) | 2011-07-19 | 2013-08-13 | Horizons Window Fashions, Inc. | Window shade |
US9010399B2 (en) | 2012-05-01 | 2015-04-21 | Horizons Holdings, Llc | Window shade |
US20230041865A1 (en) * | 2021-08-06 | 2023-02-09 | Yung-Ching Lai | Roman shade |
US20230042499A1 (en) * | 2021-08-06 | 2023-02-09 | Yung-Ching Lai | Roman shade |
Citations (7)
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US3344487A (en) * | 1965-04-02 | 1967-10-03 | Joseph L Doutt | Coupling for release at pre-determined load |
US6309134B1 (en) * | 1999-11-18 | 2001-10-30 | Illinois Tool Works, Inc. | Retainer catch assembly |
US20060144526A1 (en) * | 2003-07-09 | 2006-07-06 | Caprice Window Accessories Pty Ltd. | Window cover |
US7086446B2 (en) * | 2003-12-30 | 2006-08-08 | Lumino, Inc. | Breakaway cord system for roll-up shades |
US20070023149A1 (en) * | 2005-07-26 | 2007-02-01 | Hunter Douglas Industries Bv | Cord anchor |
US20070235147A1 (en) * | 2006-04-11 | 2007-10-11 | Joseph Zakowski | Roman or hobble shade |
US20100126674A1 (en) * | 2008-11-26 | 2010-05-27 | Tzong Fu Lin | Roman Shade Having Child Safety Cord Release |
-
2009
- 2009-08-11 US US12/461,401 patent/US20110036518A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US3344487A (en) * | 1965-04-02 | 1967-10-03 | Joseph L Doutt | Coupling for release at pre-determined load |
US6309134B1 (en) * | 1999-11-18 | 2001-10-30 | Illinois Tool Works, Inc. | Retainer catch assembly |
US20060144526A1 (en) * | 2003-07-09 | 2006-07-06 | Caprice Window Accessories Pty Ltd. | Window cover |
US7086446B2 (en) * | 2003-12-30 | 2006-08-08 | Lumino, Inc. | Breakaway cord system for roll-up shades |
US20070023149A1 (en) * | 2005-07-26 | 2007-02-01 | Hunter Douglas Industries Bv | Cord anchor |
US20070235147A1 (en) * | 2006-04-11 | 2007-10-11 | Joseph Zakowski | Roman or hobble shade |
US20100126674A1 (en) * | 2008-11-26 | 2010-05-27 | Tzong Fu Lin | Roman Shade Having Child Safety Cord Release |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8783330B2 (en) | 2008-08-22 | 2014-07-22 | Hunter Douglas Inc. | System for confining lift cords in coverings for architectural openings |
US20110203079A1 (en) * | 2008-08-22 | 2011-08-25 | Anthony James M | System for confining lift cords in coverings for architectural openings |
US8474507B2 (en) | 2008-08-22 | 2013-07-02 | Hunter Douglas Inc. | System for confining lift cords in coverings for architectural openings |
US9222303B2 (en) | 2008-08-22 | 2015-12-29 | Hunter Douglas Inc. | System for confining lift cords in coverings for architectural openings |
US20110232852A1 (en) * | 2009-11-02 | 2011-09-29 | David Perkowitz | Window Shade and Method of Use Thereof |
US20110100569A1 (en) * | 2009-11-02 | 2011-05-05 | David Perkowitz | Window shade and method of use thereof |
US8365795B2 (en) | 2009-11-02 | 2013-02-05 | Horizons Window Fashions, Inc. | Window shade and method of use thereof |
US8381792B2 (en) | 2009-11-02 | 2013-02-26 | Horizons Window Fashions, Inc. | Window shade and method of use thereof |
US20110289735A1 (en) * | 2010-06-01 | 2011-12-01 | Antony Barnes | Cord Guide Element |
US8505607B2 (en) | 2011-07-19 | 2013-08-13 | Horizons Window Fashions, Inc. | Window shade |
US9010399B2 (en) | 2012-05-01 | 2015-04-21 | Horizons Holdings, Llc | Window shade |
US20230041865A1 (en) * | 2021-08-06 | 2023-02-09 | Yung-Ching Lai | Roman shade |
US20230042499A1 (en) * | 2021-08-06 | 2023-02-09 | Yung-Ching Lai | Roman shade |
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