EP2336478A2 - Fixierung einer Seilspulenhalterung - Google Patents

Fixierung einer Seilspulenhalterung Download PDF

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Publication number
EP2336478A2
EP2336478A2 EP20100252067 EP10252067A EP2336478A2 EP 2336478 A2 EP2336478 A2 EP 2336478A2 EP 20100252067 EP20100252067 EP 20100252067 EP 10252067 A EP10252067 A EP 10252067A EP 2336478 A2 EP2336478 A2 EP 2336478A2
Authority
EP
European Patent Office
Prior art keywords
extending
spring
base portion
support
arm portions
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
Application number
EP20100252067
Other languages
English (en)
French (fr)
Other versions
EP2336478A3 (de
EP2336478B1 (de
Inventor
Nicolaas Dekker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunter Douglas Industries BV
Original Assignee
Hunter Douglas Industries BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunter Douglas Industries BV filed Critical Hunter Douglas Industries BV
Priority to EP10252067.3A priority Critical patent/EP2336478B1/de
Publication of EP2336478A2 publication Critical patent/EP2336478A2/de
Publication of EP2336478A3 publication Critical patent/EP2336478A3/de
Application granted granted Critical
Publication of EP2336478B1 publication Critical patent/EP2336478B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32Operating, guiding, or securing devices therefor
    • E06B9/323Structure or support of upper box
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32Operating, guiding, or securing devices therefor
    • E06B9/322Details of operating devices, e.g. pulleys, brakes, spring drums, drives

Definitions

  • the invention relates to the fixation of a cord spool support in the head rail or bottom rail of a window covering which can be extended and retracted.
  • the invention particularly relates to the fixation of a cord spool support in the head rail of a Roman shade.
  • a Roman shade typically has had a longitudinally-elongated head rail which holds two or more, longitudinally-extending cord spools above a longitudinally-extending bottom opening in the head rail.
  • the cord spools have been adapted to wind and unwind lift cords to open and close the shade.
  • each lift cord has extended downwardly from a cord spool, through the bottom opening in the head rail, and has been attached to a bottom bar of the shade.
  • a longitudinal end of each cord spool has been rotatably mounted in a support that is attached to an interior surface of the head rail.
  • a rotatable longitudinally-elongated rod has extended axially through each cord spool, to support the spools and enable a user of the shade to rotate the spools with rotation of the rod in order to wind and unwind lift cords and thereby to raise and lower the shade.
  • the support has been held by a screw to a surface of the head rail. See, for example, US 5 996 667 .
  • the invention provides a generally planar, U-shaped metal wire spring with a horizontally-extending base portion, two generally vertically-extending arm portions attached to the base portion, and two acutely-angled arm portions which are attached to the vertically-extending arm portions, extend away from the base portion and terminate in ends with sharp edges .
  • the base portion of the spring is seated in a longitudinally- and vertically-extending groove in a top or bottom surface at a lateral side of the cord spool support with the two generally vertically-extending arm portions closely adjacent to longitudinally-opposite sides of the support.
  • the vertical height of the spring is greater than the vertical height of the support and of the rail, so that the sharp edges of its two acutely-angled arm portions are biased against, and frictionally engage, a horizontal, bottom or top, interior surface of the rail.
  • the base portion of the spring is slidable vertically in the groove of the cord spool, so that the base portion is also biased against, and frictionally engages, the opposite horizontal interior surface of the rail.
  • the shade is a Roman shade and the rail is a head rail.
  • the horizontal interior surface of the head rail, engaged by the pointed ends of the spring is its bottom interior surface and the vertically-extending portions and the acutely-angled portions of the spring extend downwardly from the horizontally-extending portion of the spring.
  • the horizontal interior surface of the head rail, engaged by the base portion of the spring is its top interior surface.
  • the spring is a spring steel, and its ends terminate in sharp circular edges.
  • Figs. 1 and 2 show a generally planar, U-shaped metal wire spring, generally 10, of this invention.
  • the spring has a horizontally-extending base portion 12, two generally vertically-extending arm portions 14 attached to the horizontally-extending base portion 12, and two acutely-angled arm portions 16 which are attached to the vertically-extending arm portions 14, extend away from the horizontally extending base portion 12 and terminate in ends 18 with sharp edges.
  • Both of the spring's vertically-extending arm portions 14 also preferably have inwardly-bent curved portions 20.
  • the spring 10 can be made of conventional spring steel wire, preferably having a round cross-section with a diameter in the range of 0.6 - 1.5 mm.
  • the spring ends 18 are preferably cut perpendicular to the axis of the spring wire, so that the circular edges of the ends are sharp.
  • the spring 10 is adapted to be used in a longitudinally-elongated, metal or plastic, preferably aluminum, head rail, generally 30, of a Roman shade (not shown).
  • the spring's horizontally-extending base portion 12 will preferably extend longitudinally, and the spring's vertically-extending arm portions 14 and acutely-angled arm portions 16 will preferably extend downwardly.
  • Figures 3 and 4 show a cord spool support, generally 40 which can be used with the spring 10 in the head rail 30.
  • the top 42 of the support 40 adjacent a lateral side 44, has a downwardly- and longitudinally-extending groove 46.
  • the spring's horizontally-extending base portion 12 is seated in the groove 46 of the support 40.
  • the depth of the groove 46 is only slightly greater than the diameter of the base portion 12 of the spring 10. It is also preferred that the spring's base portion 12 can slide vertically in the support's groove 46.
  • the cord spool support 40 can be slid through the open longitudinal ends 32, 34 of the head rail 30 to fit snugly within the head rail with the top and bottom 42, 48 of the support closely adjacent to the horizontal, top and bottom, interior surfaces 36, 38, respectively, of the head rail.
  • the groove 46 of the support can hold the horizontally-extending base portion 12 of the spring 10 with its vertically-extending arm portions 14 and acutely-angled arm portions 16 extending downwardly and its ends 18 in contact with, and bearing forcibly against, the bottom interior surface 38 of the head rail.
  • the inwardly-bent curved portions 20 of the spring are adjacent to longitudinally-opposite sides 50, 52 of the support 40.
  • the inwardly-bent curved portions 20 of the spring's vertically-extending arm portions 14 preferably are separated longitudinally by a distance equal to the longitudinal distance between the opposite sides 50, 52 of the support 40. Thereby, the inwardly-bent curved portions 20 of the spring 10 can hold the support 40 against longitudinal movement between the spring's vertically-extending arm portions 14 within the head rail 30.
  • the height of the spring 10, when relaxed, is significantly greater than the height of the cord spool support 40 and the interior of the head rail 30.
  • the verticaql height of the spring is at least 6-15% greater than the vertical height of the interior of the head rail.
  • the sharp circular edges of the ends 18 of the spring's acutely-angled arm portions 16 will grip tightly the head rail's bottom interior surface 38 to prevent the cord spool support 40 from moving significantly in a longitudinal direction within the head rail but will allow some adjustment of the longitudinal position of the support relative to an adjacent longitudinal end 60 of a cord spool 62.
  • Figure 7 shows the use of the cord spool support 40, holding the spring 10 of the invention, in the head rail 30 of a Roman shade.
  • the support 40 holds, in a conventional manner, a longitudinal end 60 of a longitudinally-extending cord spool 62, so that the spool can be rotated by a user-operated, longitudinally-elongated rotatable rod (not shown), extending axially through the spool.
  • Rotation of the spool 62 can be used to wind up and unwind a vertically-extending lift cord 64 that is attached to the spool and extends downwardly from the spool through a longitudinally-extending opening 39 in the bottom of the head rail.
  • the head rail 30 of an actual Roman shade would typically have at lest two lift cords (not shown in Figure 7 ), each being attached to its own cord spool 62.
  • a longitudinal end 60 of each spool 62 would be supported by a support 40, holding its own spring 10.
  • Each lift cord 64 would extend downwardly from its spool 62 through the opening 39 in the bottom of the head rail.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Window Of Vehicle (AREA)
  • Blinds (AREA)
EP10252067.3A 2009-12-15 2010-12-07 Fixierung einer Seilspulenhalterung Active EP2336478B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10252067.3A EP2336478B1 (de) 2009-12-15 2010-12-07 Fixierung einer Seilspulenhalterung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09015471 2009-12-15
EP10252067.3A EP2336478B1 (de) 2009-12-15 2010-12-07 Fixierung einer Seilspulenhalterung

Publications (3)

Publication Number Publication Date
EP2336478A2 true EP2336478A2 (de) 2011-06-22
EP2336478A3 EP2336478A3 (de) 2015-06-10
EP2336478B1 EP2336478B1 (de) 2020-05-13

Family

ID=43830225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10252067.3A Active EP2336478B1 (de) 2009-12-15 2010-12-07 Fixierung einer Seilspulenhalterung

Country Status (1)

Country Link
EP (1) EP2336478B1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5996667A (en) 1999-02-12 1999-12-07 Fun; Fu-Mei Window blind

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH388127A (de) * 1960-01-21 1965-02-15 Hunter Douglas International C Aufzugsvorrichtung einer Jalousie
US20070056692A1 (en) * 2005-09-14 2007-03-15 Nien Made Enterprise Co., Ltd. Angle adjusting device for blind slats

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5996667A (en) 1999-02-12 1999-12-07 Fun; Fu-Mei Window blind

Also Published As

Publication number Publication date
EP2336478A3 (de) 2015-06-10
EP2336478B1 (de) 2020-05-13

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