EP1698756A1 - Vorrichtung zum Senken und Heben eines Vorhangs - Google Patents

Vorrichtung zum Senken und Heben eines Vorhangs Download PDF

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Publication number
EP1698756A1
EP1698756A1 EP04078556A EP04078556A EP1698756A1 EP 1698756 A1 EP1698756 A1 EP 1698756A1 EP 04078556 A EP04078556 A EP 04078556A EP 04078556 A EP04078556 A EP 04078556A EP 1698756 A1 EP1698756 A1 EP 1698756A1
Authority
EP
European Patent Office
Prior art keywords
toothed wheel
housing
coupled
shaft
toothed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04078556A
Other languages
English (en)
French (fr)
Inventor
Christiaan Johannes Gerardus Roetgering
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.)
Coulisse BV
Original Assignee
CTR Trading BV
Coulisse 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 CTR Trading BV, Coulisse BV filed Critical CTR Trading BV
Priority to EP04078556A priority Critical patent/EP1698756A1/de
Publication of EP1698756A1 publication Critical patent/EP1698756A1/de
Withdrawn legal-status Critical Current

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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
    • E06B9/28—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
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • 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
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • E06B2009/135—Horizontal shutter reinforcements
    • 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 invention relates to a device for selectively lowering and raising a pleated blind, a roller blind or the like, which device comprises:
  • control means comprise a drive wheel which is coupled directly to the shaft and over which a cord is for instance trained in order to drive the drive wheel, and thereby the shaft, rotatingly in the one or the other direction in substantially non-slip manner by means of pulling force, for the purpose of selectively lowering and raising the blind.
  • the invention has for its object to provide a device which can be operated with a relatively small force, while the displacements required for raising or lowering a blind nevertheless remain limited.
  • control means comprise a toothed wheel unit coupled releasably to the housing, which toothed wheel unit comprises: an output toothed wheel coupled to the shaft; an input toothed wheel coupled to a drive wheel; a cord, rope, link chain, bead chain or the like, trained in substantially non-slip manner over the drive wheel for driving by pulling force and thus coupled thereto for driving; which two said toothed wheels co-act directly with each other and define a transmission ratio, i.e.
  • the ratio of the rotation speed of the output toothed wheel and the rotation speed of the input toothed wheel of 1:1.6 to 1:2.4, preferably 1:2; and wherein the one end of each of the two cords is fixed, locked against relative rotation, to a relevant winding roller and the other end is fixed to a lower zone of the pleated blind or roller blind.
  • the device has the special feature that the toothed wheel unit comprises a second housing accommodating the toothed wheels.
  • This housing can also be adapted to rotatably support the toothed wheels, and further has a function which is aesthetic and protects against dust and dirt.
  • the housing can be easily mounted and easily opened in the case of necessary maintenance, repair or replacement of components.
  • the housing parts can be mutually coupled by means of one or more snap connections and/or screw connections.
  • first and the second housing can be pushed together with respective complementary end parts with friction and/or clamping force so as to be thus coupled releasably to each other.
  • the second housing can have a number of protrusions, which fit clampingly, for instance by wedging action, or under friction in the free spaces of the aluminium profile forming the first housing.
  • the device preferably has the feature that the housing substantially consists of plastic, so that it can be manufactured by injection moulding.
  • This latter embodiment can have the special feature that the plastic is POM or ABS.
  • Other plastics are also suitable.
  • the stated plastics have superior technical qualities in respect of their mechanical strength and scratch resistance.
  • the device has the feature that the toothed wheels consist of plastic, so that they can be manufactured by injection moulding.
  • the device has the special feature that the plastic is nylon, POM or ABS.
  • the device has the special feature that the shaft is non-round, for instance has a square cross-section, and the output toothed wheel has a central, complementary hole.
  • the invention also relates to a toothed wheel unit for use as component of a device according to the above stated specifications, which toothed wheel unit comprises:
  • Said toothed wheel unit can also have the special features as stated as aspects of the total device of which the toothed wheel unit forms part.
  • Fig. 1 shows a device 1 for selectively lowering and raising a pleated blind 10.
  • the device comprises an elongate first housing 1 which is embodied as an aluminium extruded profile and which can be fixed to a building construction by means of two brackets 11, 12.
  • the device further comprises a shaft 3 which is rotatably mounted in first housing 2 and has a square cross-section, on which shaft two winding rollers 4 are fixedly arranged for winding up and unwinding respective cords 5.
  • the upper end of one of the cords 5 is connected to respective winding rollers 4, while the lower end 13 is connected to a lower fixing eye 14 of pleated blind 10.
  • the cords further extend through guide eyes 15, 16 respectively 17, 18 such that pleated or folded zones of the raised lower part come to lie over each other.
  • a bead chain 20 For rotating drive of shaft 3 use is made of a bead chain 20, which is held under tension with a freely rotating reversing roller under the influence of a weight 21. On the top side the bead chain co-acts with a toothed wheel unit 22 to be further described with reference to Fig. 2 and 3.
  • This toothed wheel unit 22 can be inserted into an end of housing 2 and is thus connected releasably thereto through friction or by clamping.
  • Fig. 3 shows particularly clearly, protrusions 23, 24 are provided for this purpose which can be inserted into the cavities of profile 2.
  • shaft 3 When mounted on housing 2 of toothed wheel unit 22, shaft 3 is placed into co-action with a square hole 26 which forms part of an output toothed wheel 27.
  • the output toothed wheel 27 is driven by an input toothed wheel 28 which is formed integrally with a drive wheel 29, which has peripherally arranged partitions extending more or less radially and forming cavities into which fit the beads 30 of bead chain 20.
  • These beads 30 are mutually connected in known manner in tensively strong yet freely movable manner.
  • Fig. 2 and 3 show that the toothed wheel unit comprises a housing consisting of two parts 41 42 respectively. These housing parts 41 and 42 can be mutually connected by means of screws 43. Prior to closing of housing 41, 42 in this manner, the bead chain 20 must be trained over drive wheel 29. Housing part 41 has an opening 44 on the underside for passage of bead chain 20.
  • the directly connected toothed wheels 27, 28 have numbers of teeth which are in a ratio of respectively 2:1.
  • the output toothed wheel 27 is also set into rotation, although the rotation speed thereof is half that of the input toothed wheel. This is an important aspect of the invention and ensures that raising and lowering of blind 10 takes place with relatively little force and also with only a slightly increased displacement of the bead chain relative to the lower zone of blind 10.
  • cover plate 44 The end of housing 2 remote from toothed wheel unit 22 is covered with a cover plate 44.
  • Fig. 1 the structure is drawn in exploded view for the sake of clarity.
  • the unit 4, 3, 4 is accommodated in the inner space 45 of profile 2.
  • the profile has an opening 46 extending in longitudinal direction or is otherwise provided with openings for passage of cords 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
EP04078556A 2004-12-29 2004-12-29 Vorrichtung zum Senken und Heben eines Vorhangs Withdrawn EP1698756A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04078556A EP1698756A1 (de) 2004-12-29 2004-12-29 Vorrichtung zum Senken und Heben eines Vorhangs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04078556A EP1698756A1 (de) 2004-12-29 2004-12-29 Vorrichtung zum Senken und Heben eines Vorhangs

Publications (1)

Publication Number Publication Date
EP1698756A1 true EP1698756A1 (de) 2006-09-06

Family

ID=34928789

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04078556A Withdrawn EP1698756A1 (de) 2004-12-29 2004-12-29 Vorrichtung zum Senken und Heben eines Vorhangs

Country Status (1)

Country Link
EP (1) EP1698756A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102102484A (zh) * 2010-01-28 2011-06-22 宁波先锋新材料股份有限公司 一种窗帘手动卷绕结构
WO2011134022A1 (en) * 2010-04-30 2011-11-03 Aaron Lava Blind adjuster
GB2484485A (en) * 2010-10-12 2012-04-18 Premierchoice Ltd Blind apparatus
US10954716B2 (en) 2017-09-21 2021-03-23 Hunter Douglas Inc. Lift station for a covering for an architectural structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476872A (en) * 1974-03-15 1977-06-16 Gross H Drive mechanism for vertical sun control strips
DE8910923U1 (de) * 1989-09-13 1989-11-02 Gossen, Silvia, 3370 Seesen Kugelschnurschloßgehäuse für Falt-, Raff- und Rollvorhänge
DE4319032A1 (de) * 1993-06-08 1994-12-15 Moeller Gmbh & Co Kg Raffvorhangsystem
WO2001096637A2 (en) * 2000-06-13 2001-12-20 Francis Norbert Marie Lampe Method for manufacturing a fabric provided with tunnel loops, in particular for use as a window covering, as well as such a windowcovering and a device for operating a pull-up cord for a window covering
EP1647666A2 (de) 2003-12-10 2006-04-19 CTR Trading B.V. Vorrichtung zum selektiven Heben oder Senken eines Raffvorhanges oder eines Rollos

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476872A (en) * 1974-03-15 1977-06-16 Gross H Drive mechanism for vertical sun control strips
DE8910923U1 (de) * 1989-09-13 1989-11-02 Gossen, Silvia, 3370 Seesen Kugelschnurschloßgehäuse für Falt-, Raff- und Rollvorhänge
DE4319032A1 (de) * 1993-06-08 1994-12-15 Moeller Gmbh & Co Kg Raffvorhangsystem
WO2001096637A2 (en) * 2000-06-13 2001-12-20 Francis Norbert Marie Lampe Method for manufacturing a fabric provided with tunnel loops, in particular for use as a window covering, as well as such a windowcovering and a device for operating a pull-up cord for a window covering
EP1647666A2 (de) 2003-12-10 2006-04-19 CTR Trading B.V. Vorrichtung zum selektiven Heben oder Senken eines Raffvorhanges oder eines Rollos

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102102484A (zh) * 2010-01-28 2011-06-22 宁波先锋新材料股份有限公司 一种窗帘手动卷绕结构
CN102102484B (zh) * 2010-01-28 2014-02-19 宁波先锋新材料股份有限公司 一种窗帘手动卷绕结构
WO2011134022A1 (en) * 2010-04-30 2011-11-03 Aaron Lava Blind adjuster
CN102884271A (zh) * 2010-04-30 2013-01-16 亚伦·拉法 窗帘调节器
CN102884271B (zh) * 2010-04-30 2015-01-14 亚伦·拉法 窗帘调节器
US9038696B2 (en) 2010-04-30 2015-05-26 Aaron Lava Blind adjuster
GB2484485A (en) * 2010-10-12 2012-04-18 Premierchoice Ltd Blind apparatus
US10954716B2 (en) 2017-09-21 2021-03-23 Hunter Douglas Inc. Lift station for a covering for an architectural structure

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