EP0860578A1 - Ecran et assemblage d'un nombre de tels écrans - Google Patents

Ecran et assemblage d'un nombre de tels écrans Download PDF

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Publication number
EP0860578A1
EP0860578A1 EP98200523A EP98200523A EP0860578A1 EP 0860578 A1 EP0860578 A1 EP 0860578A1 EP 98200523 A EP98200523 A EP 98200523A EP 98200523 A EP98200523 A EP 98200523A EP 0860578 A1 EP0860578 A1 EP 0860578A1
Authority
EP
European Patent Office
Prior art keywords
tension
screen
tension roller
roller
rollers
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
EP98200523A
Other languages
German (de)
English (en)
Other versions
EP0860578B1 (fr
Inventor
Patrick Franciscus Johannes Van Loosbroek
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0860578A1 publication Critical patent/EP0860578A1/fr
Application granted granted Critical
Publication of EP0860578B1 publication Critical patent/EP0860578B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58—Guiding devices
    • E06B9/582—Means to increase gliss, light, sound or thermal insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0607—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with guiding-sections for supporting the movable end of the blind
    • 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
    • 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
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/64—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor with lowerable roller
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0648—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind acting on the roller tube
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0655—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind acting on the movable end, e.g. front bar

Definitions

  • the invention relates to a screen comprising a number of tension rollers, each having its free ends movably bearing-mounted in two lateral guides and each being rotatable around the longitudinal center line of the relevant tension roller, each tension roller comprising a tension spring, the tension rollers being interconnected by screen cloth parts, and the tension springs in the tension rollers being biased such that the screen tends to assume a rolled-in condition and is extendible against the bias of the tension springs, the free ends of the tension rollers being bearing-mounted in bearing blocks having wheels or rollers, by means of which the bearing blocks are traversable in the two lateral guides.
  • Such device is known from DE-A-3728913 and can be used for different applications such as, for instance, veranda awnings, sun tents, terrace coverings, insect barriers, swimming pool screens, windbreaks, sun filters, truck canvases, chamber screens, fast-travelling doors, greenhouses, container closures, dust guards for production processes, screens of carports, partition walls and the like.
  • the known screen has the advantage that it can be manufactured in a simple and economical manner. Owing to the presence of the tension rollers, the screen cloth parts are always pulled taut.
  • the tension rollers do not merely have a storage function for the screen cloth parts when the screen is in an entirely or partially rolled-in or slid-in condition, but also have the function of support section.
  • the tension rollers may have a length of up to about 7 m, which hence provides the possibility of manufacturing a screen having a width of about 7 m and having only two lateral guides. The length of the screen is actually unlimited.
  • the force required for further extending the screen substantially corresponds to the spring tension to be overcome in respect of the tension roller whose tension spring is slackest or least tautened.
  • the screen can in each case be extended in a simple manner and with relatively little force.
  • the screen can be rolled in very simply, as this is effected automatically by the biased tension springs when a locking, whereby the screen can be fixed in an entirely or partially extended position, is undone.
  • the screen cloth parts may be manufactured from cloth, canvas, foil, wire gauze or like material.
  • a drawback of the known device is formed by the fact that each bearing block moving through the lateral guide is provided with one pair of wheels only, whose axes of rotation extend parallel to the longitudinal center line of the tension roller in question.
  • the tension spring is tensioned and released. This does not only result in a tension in radial sense, but also in a tension build-up in axial sense.
  • the shaft to which the tension spring is connected exerts a pressure or pulling force on the bearing block. Because of this pressure or pulling force, the bearing block will be pressed in a particular direction, causing the wheels to rub their lateral sides against the edges of the lateral guide, so that undue friction occurs.
  • the object of the invention is to provide a screen of the type described in the opening paragraph without the above-mentioned drawbacks.
  • each bearing block comprises at least one first pair of wheels or rollers whose axes of rotation extend parallel to the longitudinal center line of the relevant tension roller, and at least one second pair of wheels or rollers whose axes of rotation extend perpendicularly to an imaginary plane in which the two lateral guides lie.
  • the at least one second pair of wheels or rollers whose axes of rotation extend perpendicularly to the imaginary plane in which the two lateral guides lie, take up the axially directed forces exerted on the bearing blocks by the shafts of the tension roller. Due to the presence of the at least one second pair of wheels or rollers, the wheels of the first pair are prevented from rubbing their lateral sides against the lateral guide and thus undergo an undesired friction.
  • each bearing block comprise two pairs of first wheels and two pairs of second wheels.
  • a screen A or parts thereof comprising a number of tension rollers 1, 2, 3, each having its free ends 10 movably bearing-mounted in two lateral guides 4, 5 or 13.
  • the tension rollers 1, 2, 3 are each rotatable around the longitudinal center line L.
  • Each tension roller 1, 2, 3 comprises a tension spring 6 which is tensioned or released during rotation, depending on the direction of rotation of the tension roller 1, 2, 3.
  • the tension rollers 1, 2, 3 are interconnected by screen cloth parts 7, 7b, 7d.
  • the tension springs 6 in the tension rollers 1, 2, 3 are biased such that the screen A tends to assume a rolled-in condition.
  • the screen A can be extended against the bias of the tension springs 6.
  • the screen A shown comprises a starting tension roller 1, an end tension roller 2 and at least one intermediate tension roller 3. Attached to each intermediate tension roller 3 are two screen cloth parts 7, 7b, 7d, which, in a wholly or partially rolled-in condition, are wound one into the other, wholly or partially respectively.
  • the starting tension roller 1 comprises a first and a second starting roller screen cloth part 7a, 7b respectively.
  • the first starting roller screen cloth part 7a is fixedly connected to a fixed frame or construction part 8.
  • the second starting roller screen cloth part 7b is connected, by an end thereof remote from the starting tension roller 1, to an intermediate tension roller 3.
  • the end tension roller 2 comprises a first and a second end roller screen cloth part 7c and 7d respectively.
  • the first end roller screen cloth part 7c comprises locking means 9 for securing the screen 1 in a wholly and/or partially unrolled condition.
  • the second end roller screen cloth part 7d is connected, by an end thereof remote from the end tension roller 2, to an intermediate tension roller 3.
  • Figs. 2, 3, 7 and 9 show the free ends 10 of the tension rollers 1, 2, 3 are bearing-mounted in bearing blocks 11, which are movably bearing-mounted in the lateral guides 4, 5, 13.
  • the bearing blocks are formed by roller bearing blocks comprising rollers or wheels 16.
  • the bearing blocks shown in Figs. 2, 3 and 7 are of the known type and have the drawbacks described in the introduction to the specification.
  • Fig. 9 shows a practical example of a screen according to the invention.
  • the end 10 shown in Fig. 2 corresponds to the left-hand end 10a of the tension roller of Fig. 5.
  • the tension roller 1, 2, 3 comprises an internal shaft 18 which is rotatable relative to the tension roller sleeve 19. Also located in the interior of the tension roller 1, 2, 3 is a tension spring 6, having one end 6a thereof fixedly connected to the tension roller sleeve 19 and the other end 6b thereof fixedly connected to the internal shaft 18.
  • the tension roller sleeve 19 of each tension roller 1, 2, 3 rotates relative to the internal shaft 18 located in that tension roller 1, 2, 3, so that the tension spring 6 located therein is released or tensioned respectively.
  • the internal shaft 18 has its first end 10a provided with a non-round section, bearing-mounted in a non-round hole in the bearing part 17, so that rotation of the shaft 18 is prevented.
  • the first end roller screen cloth part 7c is provided with locking means 9 at an end thereof remote from the end tension roller 2.
  • these locking means are designed as eyes 9 that can be hooked into a hook.
  • other solutions are also conceivable. For instance, a friction engagement between the ends of the end lath 20 and the lateral guides is possible when the end lath 20, under the influence of the screen cloth tension, tilts around the longitudinal center line of the end lath 20.
  • Fig. 6 shows an alternative embodiment of the locking means, where the locking means are formed by a drive motor 12 and a drive cord or chain 15 passed over guide wheels 16.
  • the drive cord or the drive chain 15 has a first end thereof fixedly connected to the lateral guide 5.
  • a second end of the drive cord or chain 15 is connected to the pulley 22 which is driven by the drive motor 12.
  • Fig. 7 is a partial sectional view of an assembly of two screens A, A' in side-by-side arrangement.
  • the adjacent free ends 10, 10' of the tension rollers 3, 3' of the two adjoining screens A, A' are bearing-mounted in a common lateral guide 13 and intercoupled via a common bearing block 11.
  • the bearing block shown here is of the conventional type. It is a matter of course that bearing blocks according to the invention can be used here as well. It is thus effected that the screens A, A' of the assembly are extended and slid-in in the same manner and at the same time.
  • Fig. 8 further shows that the screen cloth parts 7 of the screen A may follow different courses.
  • the dotted line shows an embodiment where the screen cloth parts 7' in each case extend from the top side of one tension roller 3 to the bottom side of the next tension roller 3.
  • the dashed line shows an embodiment where the screen cloth parts 7' successively extend from tension roller top side to tension roller top side and from tension roller bottom side to tension roller bottom side.
  • Fig. 9 shows a portion of a screen in perspective cross section, where the screen comprises bearing blocks 11a, 11b which each have at least one first pair of wheels 30 whose axes of rotation 33 extend parallel to the longitudinal center line L of the relevant tension roller 1, and at least one second pair of wheels 31 whose axes of rotation 32 extend perpendicularly to an imaginary plane in which the two lateral guides 4, 5 lie.
  • each bearing block 11 comprises two pairs of first wheels 30 and two pairs of second wheels 31 spaced apart some distance on either side of an opening 34 in the bearing block part 17. In the opening 34, the free ends 10b and 10a of the tension roller 1 are accommodated.
  • each free end of the tension roller 1 comprises a shaft end 10a, 10b.
  • These shaft ends 10a, 10b are fixedly connected to the bearing blocks 11a, 11b associated therewith.
  • the shaft ends 10a, 10b are mounted so as to be slidable in axial direction in the free ends of the tension roller 1. Accordingly, in spite of the very tight and accurate guidance of the bearing blocks 11a, 11b in the guides 4 and 5 respectively, the tension roller 1 has nevertheless some freedom of movement in axial direction. Due to this freedom of movement, wrinkle formation in the screen cloth parts is prevented.
  • Fig. 10 is a side elevational view of a bearing block 11 of the screen shown in Fig. 9.
  • no wheel or roller 30, 31 has been provided on the right-hand portion of the bearing block 11 in Fig. 10, so that the axes of rotation 33, 32 are clearly visible.
  • the screen cloth parts 7, 7a, 7b, 7c, 7d of the screen can be manufactured from cloth, canvas, foil, wire gauze or like material, depending on the application for which it is intended.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Building Awnings And Sunshades (AREA)
EP98200523A 1997-02-20 1998-02-19 Ecran et assemblage d'un nombre de tels écrans Expired - Lifetime EP0860578B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1005326 1997-02-20
NL1005326A NL1005326C2 (nl) 1997-02-20 1997-02-20 Afscherming en samenstel van een aantal van dergelijke afschermingen.

Publications (2)

Publication Number Publication Date
EP0860578A1 true EP0860578A1 (fr) 1998-08-26
EP0860578B1 EP0860578B1 (fr) 2004-10-20

Family

ID=19764459

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98200523A Expired - Lifetime EP0860578B1 (fr) 1997-02-20 1998-02-19 Ecran et assemblage d'un nombre de tels écrans

Country Status (4)

Country Link
EP (1) EP0860578B1 (fr)
AT (1) ATE280311T1 (fr)
DE (1) DE69827056D1 (fr)
NL (1) NL1005326C2 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1010485C2 (nl) * 1998-11-05 2000-05-09 Renier Andre Birkhoff Wikkelinrichting voor scherm.
WO2002092938A1 (fr) * 2001-05-11 2002-11-21 Uwe Spicker Auvent avec arbres a ressort reglables
EP1425493A1 (fr) * 2001-03-06 2004-06-09 Issam Abouloukme Dispositif store, marquise ou couverture retractable a enroulement automatique
ITPD20090128A1 (it) * 2009-05-11 2010-11-12 Progettotenda S P A Tenda del tipo a pergola con teli sovrapposti
NL1038427A (nl) * 2009-12-09 2011-06-14 Kestelyn N V Scherminrichting.
ITPD20130270A1 (it) * 2013-09-30 2015-03-31 Gibus Spa Tenda per esterni
EP3594440A1 (fr) * 2018-07-06 2020-01-15 Verzuu Beheer B.V. Système d'écran et bâtiment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1346406A (en) * 1919-10-27 1920-07-13 Johannes A Holmes Window-shade roller
FR2420617A1 (fr) * 1978-03-20 1979-10-19 Baudin Chateauneuf Toiture repliable
NL8501362A (nl) * 1985-05-13 1986-12-01 Team B V I O S Variabele-zonweringsinrichting.
CH661559A5 (en) * 1983-04-06 1987-07-31 Haussmann Storenbau Ag Blind for protection against the sun and/or the weather
DE3728913A1 (de) 1987-08-29 1987-12-17 Werner Moshacke Vorrichtung fuer langbahnige markisen mit schienenfuehrung
DE3630756A1 (de) * 1986-09-10 1988-03-24 Hueppe Gmbh Ein- und ausfahrbare abdeckung
CH672521A5 (en) * 1986-06-26 1989-11-30 Alu System Ag Roller blind for horizontal roof - has spring-loaded rollers in pairs with common bar, unwinding in opposite directions
DE4105865A1 (de) * 1991-02-25 1992-08-27 Reinhard Bohnert Vorrichtung zum auf- und abwickeln von behaengen, insbesondere markisenstoffen, rollaeden, gittern oder dergleichen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1346406A (en) * 1919-10-27 1920-07-13 Johannes A Holmes Window-shade roller
FR2420617A1 (fr) * 1978-03-20 1979-10-19 Baudin Chateauneuf Toiture repliable
CH661559A5 (en) * 1983-04-06 1987-07-31 Haussmann Storenbau Ag Blind for protection against the sun and/or the weather
NL8501362A (nl) * 1985-05-13 1986-12-01 Team B V I O S Variabele-zonweringsinrichting.
CH672521A5 (en) * 1986-06-26 1989-11-30 Alu System Ag Roller blind for horizontal roof - has spring-loaded rollers in pairs with common bar, unwinding in opposite directions
DE3630756A1 (de) * 1986-09-10 1988-03-24 Hueppe Gmbh Ein- und ausfahrbare abdeckung
DE3728913A1 (de) 1987-08-29 1987-12-17 Werner Moshacke Vorrichtung fuer langbahnige markisen mit schienenfuehrung
DE4105865A1 (de) * 1991-02-25 1992-08-27 Reinhard Bohnert Vorrichtung zum auf- und abwickeln von behaengen, insbesondere markisenstoffen, rollaeden, gittern oder dergleichen

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1010485C2 (nl) * 1998-11-05 2000-05-09 Renier Andre Birkhoff Wikkelinrichting voor scherm.
EP1425493A1 (fr) * 2001-03-06 2004-06-09 Issam Abouloukme Dispositif store, marquise ou couverture retractable a enroulement automatique
EP1425493A4 (fr) * 2001-03-06 2004-12-22 Issam Abouloukme Dispositif store, marquise ou couverture retractable a enroulement automatique
WO2002092938A1 (fr) * 2001-05-11 2002-11-21 Uwe Spicker Auvent avec arbres a ressort reglables
ITPD20090128A1 (it) * 2009-05-11 2010-11-12 Progettotenda S P A Tenda del tipo a pergola con teli sovrapposti
EP2253774A1 (fr) * 2009-05-11 2010-11-24 PROGETTOTENDA S.p.A. Auvent de type pergola doté de feuilles superposées
NL1038427A (nl) * 2009-12-09 2011-06-14 Kestelyn N V Scherminrichting.
EP2345772A3 (fr) * 2009-12-09 2012-10-31 Renson Sunprotection-Screens NV Store
BE1020172A5 (nl) * 2009-12-09 2013-06-04 Kestelyn Nv Scherminrichting.
ITPD20130270A1 (it) * 2013-09-30 2015-03-31 Gibus Spa Tenda per esterni
EP2853651A1 (fr) 2013-09-30 2015-04-01 Gibus S.p.A. Auvent extérieur
EP3594440A1 (fr) * 2018-07-06 2020-01-15 Verzuu Beheer B.V. Système d'écran et bâtiment
NL2021263B1 (nl) * 2018-07-06 2020-01-16 Verzuu Beheer B V Doeksysteem en gebouw

Also Published As

Publication number Publication date
DE69827056D1 (de) 2004-11-25
NL1005326C2 (nl) 1998-08-24
EP0860578B1 (fr) 2004-10-20
ATE280311T1 (de) 2004-11-15

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