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WO1999037875A1 - A cord connecting device for venetian blinds and the like - Google Patents

A cord connecting device for venetian blinds and the like Download PDF

Info

Publication number
WO1999037875A1
WO1999037875A1 PCT/DK1999/000014 DK9900014W WO9937875A1 WO 1999037875 A1 WO1999037875 A1 WO 1999037875A1 DK 9900014 W DK9900014 W DK 9900014W WO 9937875 A1 WO9937875 A1 WO 9937875A1
Authority
WO
WIPO (PCT)
Prior art keywords
cord
connecting device
parts
cords
cord connecting
Prior art date
Application number
PCT/DK1999/000014
Other languages
French (fr)
Inventor
Jens Ove Hebsgaard
Original Assignee
A/S Chr. Fabers Fabriker
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 A/S Chr. Fabers Fabriker filed Critical A/S Chr. Fabers Fabriker
Priority to AU19607/99A priority Critical patent/AU1960799A/en
Publication of WO1999037875A1 publication Critical patent/WO1999037875A1/en

Links

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
    • E06B9/28—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
    • E06B2009/3265—Emergency release to prevent strangulation or excessive load

Definitions

  • a cord connecting device for Venetian blinds and the like is provided.
  • the invention relates to a cord connecting device for pull cords for Venetian blinds and the like, comprising a hollow body in two parts with a first opening consisting of part openings m each part of the body, behind which cord ends supplied with knots are retained.
  • Traditional cord connecting devices consist of a knot on the pull cords which are hidden m a hollow shell. Following accidents where children have been strangulated after having put their necks m the noose created by such traditional cord connecting devices, types have been developed where the cords are connected by the hollow shell itself. It is desired that a cord connecting device shall separate by pulling, but it is difficult to obtain a suitable compromise between the force with which the shell shall stay closed with a view to normal use, and the force which shall cause a separation. In particular where it is desired to let a mutual pull cord come from the cord connecting device the requirements are contradictory.
  • each body part at a distance from the first opening has means directed towards each other, each of which carry slits for retaining the knot-shaped ends of the pull cords, which means hold the hollow body together by interlocking, m that the influence of the pull cords on the part openings separate the interlocking.
  • the knots are held inside the cord connecting device so that no forces are transmitted to the shell during normal use. Not until it is attempted to separate the cords, which will occur when something is wedged, will forces be created in the shell parts whereby they separate and the knots are liberated.
  • An advantageous embodiment is particular in that a further cord is taken through a second opening m such a manner that it holds together the the means directed towards each other, so that a pull m the further cord causes the two parts to be held against each other with an increased force.
  • activation by pulling the pull cord causes a force which dicrectly holds the two parts together, the stronger, the stronger the pull in the pull cord, but the possibility of separation and the force required is not influenced thereby.
  • a further advantageous embodiment is particular m that the means directed towards each other are plate shaped, and that holes m the plates are m register when assembled, and m that the slits are disposed between the edges of the plates and the insides of the parts.
  • This embodiment is a practical solution, which only requires that the further cord is taken through the holes and is supplied with a knot on the upper side of the two plates.
  • Fig. 1 shows two half parts of a cord connecting device according to an embodiment of the invention
  • Fig. 2 shows the two half parts with cords during assembly
  • Fig. 3 shows the two half parts w th cords immediately before assembly
  • Fig. 4 shows a cord connection device when assembled.
  • a cord connecting device which consists of two hollow half shells 1 and 2 which leave a hole at the upper and lower ends, through which cords may pass to the inside of the cord connecting device.
  • each shell part On the inner side each shell part has a plate-shaped protrusion 3, 4 which are displaced with respect to each other and parallel when assembled.
  • Two further plate parts have been provided above the plate 3, and the the lowermost has a depression on its upper side which cooperates with a corresponding projection on the lower side of the plate 4, so that the two half shells are held to become one by means of a snap action.
  • This snap action connection may be solved m various ways, only must the force required for separation be held suitably low.
  • each plate-shaped protrusion On either side of each plate-shaped protrusion there are slits 5, 7, 6, 8 with a width which is only slightly larger than the thickness of a pull cord.
  • holes 9, 10 which are only slightly larger than a thicker joint cord which may exit from the lower hole. These holes do not register when assembled, but are so that they are nearer the outer surface of eacn shell part 1, 2.
  • Fig. 2 it is shown how cords are mounted m the cord connecting device according to the present embodiment of the invention.
  • the two pull cords 11 and 12 are supplied with knots, whereafter the cords are pushed into the slits 5 and 8 with the knots below the plates 3 and 4.
  • any pull m the cord is absorbed in the central part of the cord connecting device rather than m the shell parts.
  • a further, thicker cord 15 is taken through the holes 9 and 10 m the plate-shaped protrusions 3 and 4, and subsequently a knot 16 is formed at the upper side of the 4

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)

Abstract

A cord connecting device consists of a hollow body in two parts (1, 2) with openings for the cord (11, 12), which are each terminated by a knot. It is desired that the body shall separate when opposing pulls occur in the cords. This is a requirement which is in opposition to the requirement for remaining in one piece, even when gripped only weakly. According to the invention an improved effect is obtained in that the fixing of the knots is not placed just inside the shell parts of the body, but close to its central parts (3, 4).

Description

A cord connecting device for Venetian blinds and the like.
The invention relates to a cord connecting device for pull cords for Venetian blinds and the like, comprising a hollow body in two parts with a first opening consisting of part openings m each part of the body, behind which cord ends supplied with knots are retained. Traditional cord connecting devices consist of a knot on the pull cords which are hidden m a hollow shell. Following accidents where children have been strangulated after having put their necks m the noose created by such traditional cord connecting devices, types have been developed where the cords are connected by the hollow shell itself. It is desired that a cord connecting device shall separate by pulling, but it is difficult to obtain a suitable compromise between the force with which the shell shall stay closed with a view to normal use, and the force which shall cause a separation. In particular where it is desired to let a mutual pull cord come from the cord connecting device the requirements are contradictory.
It is the purpose of the invention to provide an improved cord connecting device which creates full safety, even if the mutual pull cord is pulled with a large force without separation. This is obtained in a construction which is particular in that each body part at a distance from the first opening has means directed towards each other, each of which carry slits for retaining the knot-shaped ends of the pull cords, which means hold the hollow body together by interlocking, m that the influence of the pull cords on the part openings separate the interlocking. In other words, the knots are held inside the cord connecting device so that no forces are transmitted to the shell during normal use. Not until it is attempted to separate the cords, which will occur when something is wedged, will forces be created in the shell parts whereby they separate and the knots are liberated.
An advantageous embodiment is particular in that a further cord is taken through a second opening m such a manner that it holds together the the means directed towards each other, so that a pull m the further cord causes the two parts to be held against each other with an increased force. Hereby activation by pulling the pull cord causes a force which dicrectly holds the two parts together, the stronger, the stronger the pull in the pull cord, but the possibility of separation and the force required is not influenced thereby.
A further advantageous embodiment is particular m that the means directed towards each other are plate shaped, and that holes m the plates are m register when assembled, and m that the slits are disposed between the edges of the plates and the insides of the parts. This embodiment is a practical solution, which only requires that the further cord is taken through the holes and is supplied with a knot on the upper side of the two plates.
The invention will be described m greater detail in the following with reference to the drawing, m which
Fig. 1 shows two half parts of a cord connecting device according to an embodiment of the invention,
Fig. 2 shows the two half parts with cords during assembly,
Fig. 3 shows the two half parts w th cords immediately before assembly, and
Fig. 4 shows a cord connection device when assembled. j
In Fig. 1 is shown a cord connecting device which consists of two hollow half shells 1 and 2 which leave a hole at the upper and lower ends, through which cords may pass to the inside of the cord connecting device. On the inner side each shell part has a plate-shaped protrusion 3, 4 which are displaced with respect to each other and parallel when assembled. Two further plate parts have been provided above the plate 3, and the the lowermost has a depression on its upper side which cooperates with a corresponding projection on the lower side of the plate 4, so that the two half shells are held to become one by means of a snap action. This snap action connection may be solved m various ways, only must the force required for separation be held suitably low.
On either side of each plate-shaped protrusion there are slits 5, 7, 6, 8 with a width which is only slightly larger than the thickness of a pull cord. In each plate-shaped protrusion there are provided holes 9, 10 which are only slightly larger than a thicker joint cord which may exit from the lower hole. These holes do not register when assembled, but are so that they are nearer the outer surface of eacn shell part 1, 2. At a) it is shown how the joining of the two shell parts appears from above.
In Fig. 2 it is shown how cords are mounted m the cord connecting device according to the present embodiment of the invention. The two pull cords 11 and 12 are supplied with knots, whereafter the cords are pushed into the slits 5 and 8 with the knots below the plates 3 and 4. Hereby any pull m the cord is absorbed in the central part of the cord connecting device rather than m the shell parts. There is room for further pull cords m the non-occupied slots 6 and 7. A further, thicker cord 15 is taken through the holes 9 and 10 m the plate-shaped protrusions 3 and 4, and subsequently a knot 16 is formed at the upper side of the 4
plate part 4. After fitting the cords, it appears as shown in Fig. 3.
The two shell parts with the required cords are joined by a snap action as described above, and the assembled cord connecting device is shown in Fig. 4. It is obvious that the function of the cord connecting device is not dependent upon the cord 15, and it is seen that in case the cords 11 and 12 are pulled away from each other, e.g. by a child's neck, then a force is established which serves to separate the two shell half parts. Thereby the knots 13, 14 are given free, and the loop which was created by the cords 11, 12 and the cord connection device 1, 2 is broken. As there are four slits 5, 6, 7, 8, there is room for at least four cords in the cord connecting device, and a pull caused by something getting stuck which occurs in any pair of cords will cause separation of the assembly.

Claims

P A T E N T C L A I M S
1. A cord connecting device for pull cords for Venetian blinds and the like, comprising a hollow body in two parts with a first opening consisting of part openings in each part of the body, behind which cord ends supplied with knots (13, 14) are retained, c h a r a c t e r i s e d i n that each body part (1, 2) has means (3, 4) directed towards each other at a distance from the first opening, each of which carry slits (5, 6, 7, 8) for retaining the knot-shaped ends of the pull cords (11, 12) which means hold the hollow body together by interlocking, in that the influence of the pull cords (11, 12) on the part openings separate the interlocking.
2. A cord connecting device according to claim 1, c h a r a c t e r i s e d i n that a further cord (15) is taken through a second opening in such a manner that it holds together the the means (3, 4) directed towards each other, so that a pull in the further cord causes the two parts (1, 2) to be held against each other with an increased force .
3. A cord connecting device according to claim 2, c h a r a c t e r i s t i c i n that the means (3, 4) directed towards each other are plate-shaped, and that holes (9, 10) in the plates are placed in such a relationship to each other when assembled that a cord (15) taken through the holes when pulled draws the plate-shaped means towards each other, and in that the slits (5, 6, 7, 8) are disposed between the edges of the plates and the insides of the parts (1, 2) .
PCT/DK1999/000014 1998-01-09 1999-01-11 A cord connecting device for venetian blinds and the like WO1999037875A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU19607/99A AU1960799A (en) 1998-01-09 1999-01-11 A cord connecting device for venetian blinds and the like

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK2298 1998-01-09
DK0022/98 1998-01-09

Publications (1)

Publication Number Publication Date
WO1999037875A1 true WO1999037875A1 (en) 1999-07-29

Family

ID=8088862

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1999/000014 WO1999037875A1 (en) 1998-01-09 1999-01-11 A cord connecting device for venetian blinds and the like

Country Status (2)

Country Link
AU (1) AU1960799A (en)
WO (1) WO1999037875A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6640870B2 (en) 2001-06-21 2003-11-04 Hunter Douglas Industries Bv Equalizing connector for window covering pull cords
EP1514992A2 (en) 2003-09-11 2005-03-16 Hunter Douglas Industries B.V. Safety cord connector
US7299851B2 (en) 2003-09-11 2007-11-27 Hunter Douglas Industries Bv Safety cord connector
US7383871B2 (en) 2001-06-21 2008-06-10 Hunter Douglas Industries Bv Equalizing connector for window covering pull cords
EP2356351A4 (en) * 2008-11-13 2012-04-18 Marie Manvel Pull handle
GB2491686A (en) * 2011-06-09 2012-12-12 Nien Made Entpr Co Ltd Cord release clip for a window covering
GB2496217A (en) * 2011-11-04 2013-05-08 Nien Made Entpr Co Ltd A cord release clip for a window covering
AU2014233564B2 (en) * 2011-06-09 2016-03-17 Nien Made Enterprise Co., Ltd. Cord release of window covering
AT523997A1 (en) * 2020-03-19 2022-01-15 Peter Jan Kleinschuster webbing handle

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909298A (en) * 1988-09-26 1990-03-20 Langhart Richard M Window covering cord pull safety device
US5473797A (en) * 1994-11-18 1995-12-12 Wu; Te-Tsun Safety device for fixing cords of venetian blind
US5504977A (en) * 1994-10-24 1996-04-09 Newell Operating Company Device for releasably holding cords
US5560414A (en) * 1995-02-09 1996-10-01 Springs Window Fashions Division, Inc. Releasable operating cord connector for a window covering
US5562140A (en) * 1995-08-31 1996-10-08 Springs Window Fashions Division, Inc. Releasable operating cord connector for window covering
EP0747564A1 (en) * 1995-06-06 1996-12-11 Hunter Douglas International Nv A connector for connecting pull cords
US5592983A (en) * 1995-02-09 1997-01-14 Kenney Manufacturing Company Pull cord safety device
US5715884A (en) * 1997-01-06 1998-02-10 Cotten; Fred Window covering cord safety assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909298A (en) * 1988-09-26 1990-03-20 Langhart Richard M Window covering cord pull safety device
US5504977A (en) * 1994-10-24 1996-04-09 Newell Operating Company Device for releasably holding cords
US5473797A (en) * 1994-11-18 1995-12-12 Wu; Te-Tsun Safety device for fixing cords of venetian blind
US5560414A (en) * 1995-02-09 1996-10-01 Springs Window Fashions Division, Inc. Releasable operating cord connector for a window covering
US5592983A (en) * 1995-02-09 1997-01-14 Kenney Manufacturing Company Pull cord safety device
EP0747564A1 (en) * 1995-06-06 1996-12-11 Hunter Douglas International Nv A connector for connecting pull cords
US5562140A (en) * 1995-08-31 1996-10-08 Springs Window Fashions Division, Inc. Releasable operating cord connector for window covering
US5715884A (en) * 1997-01-06 1998-02-10 Cotten; Fred Window covering cord safety assembly

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6640870B2 (en) 2001-06-21 2003-11-04 Hunter Douglas Industries Bv Equalizing connector for window covering pull cords
US7383871B2 (en) 2001-06-21 2008-06-10 Hunter Douglas Industries Bv Equalizing connector for window covering pull cords
EP1514992A2 (en) 2003-09-11 2005-03-16 Hunter Douglas Industries B.V. Safety cord connector
EP1514992A3 (en) * 2003-09-11 2007-04-11 Hunter Douglas Industries B.V. Safety cord connector
US7299851B2 (en) 2003-09-11 2007-11-27 Hunter Douglas Industries Bv Safety cord connector
AU2004203550B2 (en) * 2003-09-11 2009-04-30 Hunter Douglas Industries B.V. Safety cord connector
EP2356351A4 (en) * 2008-11-13 2012-04-18 Marie Manvel Pull handle
US9149924B2 (en) 2008-11-13 2015-10-06 Marie Manvel Pull handle
AU2012202629B2 (en) * 2011-06-09 2014-10-16 Nien Made Enterprise Co., Ltd. Cord release of window covering
GB2491686B (en) * 2011-06-09 2013-08-07 Nien Made Entpr Co Ltd Cord release of window covering
GB2491686A (en) * 2011-06-09 2012-12-12 Nien Made Entpr Co Ltd Cord release clip for a window covering
AU2014233564B2 (en) * 2011-06-09 2016-03-17 Nien Made Enterprise Co., Ltd. Cord release of window covering
GB2496217B (en) * 2011-11-04 2014-04-02 Nien Made Entpr Co Ltd Cord release of window covering
AU2012201269B2 (en) * 2011-11-04 2014-06-19 Nien Made Enterprise Co., Ltd. Cord release of window covering
GB2496217A (en) * 2011-11-04 2013-05-08 Nien Made Entpr Co Ltd A cord release clip for a window covering
AT523997A1 (en) * 2020-03-19 2022-01-15 Peter Jan Kleinschuster webbing handle
AT523997B1 (en) * 2020-03-19 2022-04-15 Peter Jan Kleinschuster webbing handle

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