EP0609951B1 - Selbststreckende Faltwand - Google Patents

Selbststreckende Faltwand Download PDF

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Publication number
EP0609951B1
EP0609951B1 EP94200279A EP94200279A EP0609951B1 EP 0609951 B1 EP0609951 B1 EP 0609951B1 EP 94200279 A EP94200279 A EP 94200279A EP 94200279 A EP94200279 A EP 94200279A EP 0609951 B1 EP0609951 B1 EP 0609951B1
Authority
EP
European Patent Office
Prior art keywords
panels
spring
folding wall
straightening
hinge
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.)
Expired - Lifetime
Application number
EP94200279A
Other languages
English (en)
French (fr)
Other versions
EP0609951A1 (de
Inventor
Harmen Boomsma
Harold Hermanus Albertus Marie De Jong
Jaques Constantijn Spangenberg
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.)
Pella BV
Original Assignee
Pella 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 Pella BV filed Critical Pella BV
Publication of EP0609951A1 publication Critical patent/EP0609951A1/de
Application granted granted Critical
Publication of EP0609951B1 publication Critical patent/EP0609951B1/de
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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/92—Doors or windows extensible when set in position
    • E06B3/94—Doors of the bellows type

Definitions

  • the invention relates to a folding wall consisting of rows of panels connected to each other for mutual pivoting, which rows are disposed at a distance from and parallel to each other and guided by a common guide rail, wherein one or more spacers are arranged hingedly between pairs of mutually opposite panels, and straightening spring means connected to said opposite panels causing a moment to the standing hinges between the adjacent panels which ensures a self-straightening of the panels.
  • Such a folding wall as disclosed in NL-A-9200181 can consist of quite large panels, which confronts the user with the problem that in the closed position the panels are difficult to place flush with each other.
  • different mechanisms have been envisaged for this purpose with which this self-straightening takes place more or less automatically.
  • Such mechanisms are generally embodied in complicated manner, which not only increases the total weight of the folding wall but which also has an adverse effect on the cost price.
  • the invention has for its object to improve such a self-straightening mechanism and provides for this purpose a folding wall which is distinguished in that said spring means is formed by a single spring element being pivotably connected to the mutually opposite panels of a pair, wherein a tilting member supporting against the rail is arranged on each adjacent panel at a distance from said spring element.
  • the self-straightening mechanism proposed by the invention therefore consists of only one or more single spring elements, preferably in the form of a helical spring, in addition to a tilting member located a distance therefrom.
  • the springs apply a moment to the standing hinges between the adjacent panels which ensures a self-straightening of the panels. Folding open of the wall is nevertheless facilitated by the arranged tilting member, whereby it is easier for the user to fold the panels of the wall in a group against each other.
  • the or each spacer is provided with L-shaped hinge wings connected to the panels and between which the spring is arranged.
  • the spring is embodied as helical spring.
  • the centre line of the helical spring can herein lie perpendicularly of the mutually opposite and parallel panels.
  • this centre line can run parallel to the mutually opposite panels.
  • the spring is U-shaped, wherein the legs are fixed to the L-shaped hinge wings and the body portion to the spacer.
  • Designated with the numeral 1 is a folding wall which serves to close off an opening 2 of a building.
  • the folding wall consists of two rows of mutually adjacent panels 3, 4 which are connected to each other for mutual pivoting along their standing side edge 5.
  • Random hinges can be used for this purpose, for instance plastic hinges which extend over the whole length of side edge 5, piano or other types of hinges.
  • the hinges are arranged between the panels alternatingly on the inside and outside such that the panels can be placed against each other in zigzag shape.
  • a guide rail 6 Arranged along the top of the folding wall in the embodiment shown in fig. 1 is a guide rail 6 which must be fixed against a ceiling construction (not shown).
  • This runner or guide rail is in cross section a tube profile, see fig. 2, such that along the lower flanges 7 thereof rails are formed for guiding carriages 8 with travel wheels 9.
  • spacers 10 Arranged between the two mutually opposite panels are spacers 10 which are connected hingedly at 11 to L-shaped hinge wings 12. The latter are fixed to the inside of the panel.
  • spacers 10 are arranged one above another along the mutually facing side edges of the mutually opposite panels.
  • the upper spacers 10 are connected to the carriage 8 via a suspending pin 13.
  • a helical spring 14 On the underside of the upper spacers and/or spacers located thereunder is a helical spring 14, the extremities of which engage onto fastening eyelets 15 of L-shaped hinge wings 12.
  • a tilting member 16 Arranged on the panel in each case on the inside along the top edge thereof is a tilting member 16 which consists of an arm 17 protruding over the surface of the panel, on which arm a roller 18 is arranged for free rotation.
  • the spring 14 will exert a force on the L-shaped hinge wings 12, of which the line of force lies to the sides of the hinges 11 of the spacer 10.
  • a moment will hereby be applied to the hinge wings 12 which will want to move the panels 3 connected thereto toward each other until they stand mutually parallel. Due to the tilting member 16 the correct spacing therebetween is retained so that the mutually opposite panels come to lie precisely parallel to each other.
  • Carrying of the panels from the straightened position to the folded-up position can be greatly facilitated by embodying the end panel 20 in fig. 1 with a hand-grip 21 so that the user can pull apart the end panels. Due to this pulling apart the draw spring in the adjacent panels 4 will pull the hinge edge in the direction of the rail 6, which results in the following panel group 4 swivelling on tilting member 16 whereby the following panels in each case will assume an angular position relative to each other, which enhances pushing of the panels into the folded-up position.
  • Fig. 4 shows an alternative embodiment, wherein the helical spring 14' is embodied with two arms 22 which are fixed non-rotatably onto pins 23 of a support 24. Supports 24 are arranged on the inside of the panel pair 4.
  • the spacer 10 is again fixed via two hinge pins 11 with associated hinge wings 12 to a piano hinge 5 between the adjacent panels 4, 3.
  • the helical spring 14 has a centre line which extends parallel between the panels 4 and provides in the position drawn in fig. 4 an inward directed moment of the panels 4 on the pivot axis 11.
  • the panels are hereby straightened parallel to each other.
  • Fig. 5 shows a third embodiment of a spring element which operates between the hinge wings.
  • the spring element is embodied here substantially as a U-shaped torsion spring, wherein the legs 30 are connected to the hinge wings 12 by means of an eyelet 31.
  • the body 32 of the spring element is connected rotatably to a sleeve 33 moulded onto the hinge plate or spacer 10.
  • a helically formed coil is arranged between the legs 30 and the body 33 of the spring element. This coil has a centre line lying perpendicular of hinge plate 10.
  • Fig. 6a shows the situation that the wings 12 run mutually parallel, wherein the legs 30 exert the inward directed force in order to provide the self-straightening action on the folding wall.
  • the wings 12 During folding open as according to fig. 6b the wings 12 will have a position at a certain point such that the legs 30 of the spring element are spread as widely as possible. When this point as in fig. 6b has been passed, the legs will be able to move toward one another again, into the position according to fig. 6c in which the folding wall panels are fully spread and stand mutually in line, wherein the folding wall is pressed fully open.
  • the U-shaped spring element here also provides an inward directed force on the eyelets 31 respectively the hinge wings 12 which, due to the shifted point of rotation of the hinge, exert a counter-clockwise moment and therefore hold the panels spread open.
  • Fig. 7 shows an alternative embodiment of the U-shaped spring element, wherein the helical coils in the transition between the leg 30 and the body 33 are omitted.
  • the action of this U-shaped spring is identical to that of fig. 5.
  • each module consists of four panels which are mutually connected with that edge which faces toward the spacer respectively hinge and draw spring. These matters are shown in fig. 2b.
  • the advantage of such a modular structure is that the outside of the panels, which are packed during transport from factory to the place of destination, lie in protected position because the panels lie flat against each other with the outsides against one another. Constructing of the folding wall can take place in modular manner, that is, that after arranging a first set of panels, see half-module 35 in fig. 2b, a module of four panels at a time can then be hung from the top rail.
  • a total folding wall can thus be realized in simple manner with a number of modules 36 as according to fig. 2b, wherein the fitting operations at the place of destination are limited to a minimum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Extensible Doors And Revolving Doors (AREA)
  • Support Devices For Sliding Doors (AREA)
  • Hinge Accessories (AREA)

Claims (9)

  1. Faltwand, bestehend aus einer Reihe von Paneelen (3, 4), die miteinander verbunden sind für eine gegenseitige Schwenkbewegung, wobei die Reihen im Abstand voneinander und parallel zueinander angeordnet sind und durch eine gemeinsame Führungsschiene (6) geführt werden, wobei ein oder mehrere Abstandsstücke (10) klappbar zwischen Paaren von einander gegenüberstehenden Paneelen angeordnet sind und Streckfedermittel zwischen sich gegenüberstehenden Paneelen angeordnet sind, welche ein Moment verursachen auf die stehenden Gelenke zwischen nebeneinander liegenden Paneelen, welches eine Selbststreckung der Paneele sicherstellt,
    dadurch gekennzeichnet, daß das Federmittel ausgeformt ist durch ein einzelnes Federelement (14), das schwenkbar verbunden ist mit den einander gegenüberstehenden Paneelen (4) eines Paares, wobei ein Schwenkelement (16), das sich gegen die Schiene (6) abstützt, an jedem anliegenden Paneel (3) angeordnet ist in einem Abstand vom Federelement.
  2. Faltwand nach Anspruch 1,
    dadurch gekennzeichnet, daß das Abstandsstück (10) vorgesehen ist mit Gelenkflügeln (12), die schwenkbar an jeder Seite davon angeordnet sind und welche jeweils an einem Paneel (4) des Paares befestigt sind.
  3. Faltwand nach Anspruch 2,
    dadurch gekennzeichnet, daß die Feder (14) zwischen den Gelenkflügeln (12) eines Abstandsstückes (10) angeordnet sind.
  4. Faltwand nach Anspruch 2 oder 3,
    dadurch gekennzeichnet, daß der Gelenkflügel (12) im Querschnitt L-förmig ist.
  5. Faltwand nach einem der Ansprüche 3 bis 4,
    dadurch gekennzeichnet, daß das Federelement als Schraubenfeder (14) ausgeführt ist.
  6. Faltwand nach Anspruch 5,
    dadurch gekennzeichnet, daß die Zentrallinie der Schraubenfeder (14) senkrecht zu den einander gegenüberstehenden Paneelen (4) liegt, wenn diese Paneele zueinander parallel gerichtet sind.
  7. Faltwand nach Anspruch 3,
    dadurch gekennzeichnet, daß die Feder eine U-förmige Torsionsfeder (14') ist und ihre Beine an den Gelenkflügeln (12) und dem Körperteil des Abstandsstücks (10) befestigt sind.
  8. Faltwand nach Anspruch 7,
    dadurch gekennzeichnet, daß die U-förmige Feder mit einer oder mehreren Schraubenwindungen im Übergang vom Körperteil zum Bein versehen ist.
  9. Faltwand nach einem der vorangehenden Ansprüche, welche konstruiert ist aus Modulen, die aus mindestens vier gegenseitig vorbefestigten Paneelen (3, 4) bestehen,
    dadurch gekennzeichnet, daß die Paneele gelenkmäßig miteinander verbunden sind, wobei die Standkante der Streckfeder (14) gegenübersteht, um ein kreuzförmiges Modul (Fig. 2b) zu bilden.
EP94200279A 1993-02-04 1994-02-02 Selbststreckende Faltwand Expired - Lifetime EP0609951B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9300232 1993-02-04
NL9300232A NL9300232A (nl) 1993-02-04 1993-02-04 Vlaktrekkende vouwwand.

Publications (2)

Publication Number Publication Date
EP0609951A1 EP0609951A1 (de) 1994-08-10
EP0609951B1 true EP0609951B1 (de) 1998-10-14

Family

ID=19862032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94200279A Expired - Lifetime EP0609951B1 (de) 1993-02-04 1994-02-02 Selbststreckende Faltwand

Country Status (5)

Country Link
EP (1) EP0609951B1 (de)
AU (1) AU667422B2 (de)
DE (1) DE69413862T2 (de)
NL (1) NL9300232A (de)
ZA (1) ZA94692B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO291296A0 (en) 1996-10-11 1996-11-07 Rudduck, Dickory Building elements
WO2002099214A1 (en) 2001-06-07 2002-12-12 Telezygology Inc. Adjustment device and building element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH349777A (fr) * 1957-10-23 1960-10-31 Ets Ad Mischler Sarl Porte pliable
DE2061866C3 (de) * 1970-12-16 1974-04-04 Fa. Justin Hueppe, 2900 Oldenburg Faltwand oder Falttür
NL156210B (nl) * 1975-11-27 1978-03-15 Hueppe Justin Fa Tweeschalige vouwwand of -deur van plaatvormige elementen.
DE2845033C2 (de) * 1978-10-16 1983-03-24 Hüppe-Acordial GmbH, 2900 Oldenburg Zweischalige Falttür oder -wand
NL190790C (nl) * 1980-04-15 1994-08-16 Pella Bv Vouwwand.
US4867221A (en) * 1987-08-27 1989-09-19 Panelfold, Inc. Flat folding partition

Also Published As

Publication number Publication date
AU667422B2 (en) 1996-03-21
DE69413862D1 (de) 1998-11-19
EP0609951A1 (de) 1994-08-10
AU5485294A (en) 1994-08-11
NL9300232A (nl) 1994-09-01
DE69413862T2 (de) 1999-03-04
ZA94692B (en) 1994-09-05

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