EP0117116B1 - Porte enroulable - Google Patents

Porte enroulable Download PDF

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Publication number
EP0117116B1
EP0117116B1 EP84300923A EP84300923A EP0117116B1 EP 0117116 B1 EP0117116 B1 EP 0117116B1 EP 84300923 A EP84300923 A EP 84300923A EP 84300923 A EP84300923 A EP 84300923A EP 0117116 B1 EP0117116 B1 EP 0117116B1
Authority
EP
European Patent Office
Prior art keywords
roller
closure member
spindle
door
doorway
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
Application number
EP84300923A
Other languages
German (de)
English (en)
Other versions
EP0117116A2 (fr
EP0117116A3 (en
Inventor
Douglas Alexander Hart
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.)
Norman Hart (Newcastle) Ltd
Original Assignee
Norman Hart (Newcastle) Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10538280&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0117116(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Norman Hart (Newcastle) Ltd filed Critical Norman Hart (Newcastle) Ltd
Priority to AT84300923T priority Critical patent/ATE30935T1/de
Publication of EP0117116A2 publication Critical patent/EP0117116A2/fr
Publication of EP0117116A3 publication Critical patent/EP0117116A3/en
Application granted granted Critical
Publication of EP0117116B1 publication Critical patent/EP0117116B1/fr
Expired 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
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive

Definitions

  • roller door being intended herein to mean doors of the type wherein the doorway closure member is a flexible element which is rolled onto and unrolled from a roller to open and close the doorway.
  • French patent 2504578 is unsuitable for use as a door owing, inter alia, to the presence of structural components which would obstruct the passage of vehicles through the doorway in the open position of the closure member, and the lack of means affording accurate control over the closure member position particularly when subject to automated operation. It is an object of the present invention to provide a roller door wherein the aforementioned disadvantages are minimised or obviated.
  • a roller door comprises an elongate, flexible closure member, a hollow roller positioned in use adjacent one peripheral edge of a doorway and supported for rotation about its longitudinal axis and having one end of said closure member secured thereto, means for rotating said roller whereby said closure member is wound onto the roller to open the door and unwound from the roller to close the door, spindle means extending within said roller and protruding from opposite ends of the roller, torsion spring means coupling the roller and the spindle means for rotation together while affording limited relative rotation of the.spindle means and the roller and, a drive connection between the spindle means and the free end of the closure member, said spring means being stressed in a direction to rotate said roller relative to said spindle to wind said closure member onto said roller and thus apply tension to the closure member, said means for rotating said roller comprising a mechanism driving said roller directly so that said spindle means is driven by said roller through said spring means, and said drive connection comprising first and second endless, non-extensible, drive members
  • said spindle means extends through said roller.
  • each drive member is a roller chain drivingly engaged with the spindle means by way of a toothed sprocket wheel fixed to the spindle.
  • said torsion spring means is housed within the hollow roller.
  • the torsion spring means comprises a pair of helical torsion springs encircling said spindle, the two springs being adjacent opposite ends of the roller respectively.
  • the free end of the closure member carries a relatively rigid bar which is anchored at its ends to the drive members respectively.
  • roller drive means is an electric motor.
  • the roller door is arranged to open and close a rectangular doorway 11 (shown partly in broken lines in Figure 1).
  • the roller door comprises a doorway closure member 12 in the form of a rectangular sheet of flexible, high strength, coated, polyester fabric, the coating rendering the fabric waterproof.
  • the closure member 12 is intended to be moved in a vertical direction to open and close the doorway 11, and the upper edge of the closure member 12 is rigidly secured to a hollow metal roller 13.
  • the lower free edge of the closure member 12 has affixed thereto a relatively rigid metal bar 14 extending horizontally across the width of the doorway 11.
  • the roller 13 is positioned horizontally above the top edge of the doorway 11 and thus extends parallel to the plane of the floor 15.
  • the roller 13 is supported for rotation in the horizontal plane by means of a solid elongate spindle 16 which is in turn freely rotatable in bearings 17 secured to the wall within which the doorway 11 is formed.
  • the spindle 16 extends coaxially through the roller 13, and is supported at its ends on the spindle 16 through the intermediary of bearing bushes 18 secured to the roller and running freely on the spindle. Additional support for the roller 13 on the spindle 16 is provided intermediate the ends of the roller 13 by a pair of spaced, spring anchor bushes 19 which are secured to the roller 13 and can rotate on the spindle 16.
  • each spring 21 Housed within the roller 13 and encircling the spindle 16 between each bush 18 and its adjacent bush 19 is a helically wound torsion spring 21.
  • the innermost end of each of the torsion springs 21 is anchored to its respective bush 19, and is thus connected to the roller 13.
  • the opposite, outermost ends of the springs 21 are connected to respective anchor collars 22 which in turn are rigidly secured to the spindle 16.
  • each spring 21 is connected to the roller 13 and at its other end is connected to the spindle 16. It will be recognised therefore that the springs 21 couple the spindle 16 to the roller 13 so that the two rotate as a unit, while at the same time affording the possibility of limited relative rotation between the roller 13 and the spindle 16.
  • the drive unit 26 Concentric with, and anchored to, the left-hand bush 18 is a double sprocket wheel 23 which is drivingly coupled, by means of a duplex roller chain 24, to a double output sprocket 25 of an electric drive unit 26.
  • the drive unit 26 comprises an electric motor 27 and a reduction gear box 28, the gear box 28 having the sprocket 25 on its output shaft.
  • the rotor shaft of the motor 27 is extended at its end remote from the gear box 28 and carries an electrically operated brake unit 29 and a chain sheave 31 over which extends a chain loop 32.
  • the lower end of the chain loop 32 is accessible near ground level so that in the event of a power failure the pinion 25 can be rotated manually.
  • the brake 29 is provided to effect rapid stopping of the rotation of the pinion 25 when necessary, notwithstanding the relatively high inertia of the door mechanism.
  • each roller chain 34 extends vertically, parallel to the direction of movement of the closure member 12, the two chains 34 being spaced on opposite sides respectively of the closure member 12.
  • Each chain 34 extends downwardly from its respective sprocket 33 and passes around a small idler sprocket 35 carried in a floor mounting bearing arrangement 36.
  • the two roller chains 34 constitute endless, flexible, non-extensible drive members in driving engagement with the spindle 16.
  • the bottom bar 14 of the closure member 12 is extended at both ends to engage in respect anchor members rigidly fixed to the rearmost runs of the two chains 34.
  • the bar 14 is arranged to hold the closure member 12 in tension in a lateral direction, that is to say widthwise of the doorway 11, and in order to provide adequate tension along the length of the closure member 12 the bar 14 is pulled downwardly relative to the chains 34 prior to anchoring the bar 14 to the chains 34.
  • the downward movement of the bar 14 and the closure member 12 causes the roller 13 to be rotated relative to the spindle 16 stressing the springs 21.
  • the stressing of the springs 21 remains and the springs 21 continually provide a tensioning force along the length of the closure member 12 by attempting to rotate the roller 13 in the "wind-up" direction relative to the spindle 16.
  • a casing arrangement will be provided at each side of the doorway within which the chains 34 are housed.
  • the casing arrangement will include vertically extending brushes or other sealing devices which engage the front and rear faces of the closure member 12 to effect a draughtproof seal at the edges of the closure member.
  • the bar 14 may include a compressible rubber sealing strip on its lower face to provide a sealed engagement with a strip fitted across the threshold of the doorway 11.
  • the door mechanism can be arranged to be fitted to the inner or outer faces of the wall containing the doorway 11, or, in some instances, can be fitted actually within the thickness of the doorway.
  • the tension which is produced along the length of the closure member 12 by the springs 21 will normally be sufficient to prevent displacement of the closure member 12 by wind pressure, when the closure member 12 is in its closed position.
  • the wind bars are simply transversely extending equivalents of the bottom bar 14 which are not attached to the closure member 12, and merely slide in vertically extending channels attached to the side casings of the door.
  • the channels will have an abutment half-way along their length so that as the door is moved to its closed position the wind bar follows the bar 14 downwardly uhtil the bar 14 passes the abutments in the channels, whereupon the wind bar rests against the abutments and thus in the closed position of the door supports the closure member 12 half-way between ground and the top of the doorway.
  • a form of latching is provided which allows each wind bar to descend with the bottom bar 14 of the closure member to its appropriate position.
  • the closure member is wound back onto the roller the wind bar or wind bars are picked up by the bottom bar 14 and lie at the upper end of their guide channels when the door is in its open condition.
  • the supporting and driving arrangements may be modifid to suit different applications, for example,'the drive arrangement 23 and 28 could be provided at the opposite end of the roller 13 if desired. Furthermore, if desired the bearing 17 and the drive end could be positioned between the roller 13 and the gear wheels 23, 33 so that the gear wheels are on the "outside" of the spindle bearing 17. While the drive arrangement 23, 24, 25 is described above as a duplex arrangement it will be understood that if desired a simplex arrangement can be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Support Devices For Sliding Doors (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Claims (7)

1. Porte à enrouleur comprenant un élément obturateur (12) flexible, de forme allongée, un enrouleur (13) creux placé, lors de l'utilisation, adjacent à un bord périphérique d'un encadrement de porte et monté en rotation autour de son axe longitudinal, une extrémité de l'élément obturateur (12) étant fixée à l'enrouleur, un moyen (23, 26) assurant la rotation de l'enrouleur (13), l'élément obturateur étant enroulé sur l'enrouleur pour ouvrir la porte et déroulé de l'enrouleur pour fermer la porte, un moyen de tige (16) s'étendant à l'intérieur de l'enrouleur (13) et dépassant des extrémités opposés de l'enrouleur (13), un moyen de ressort à torsion (21) associant l'enrouleur (13) et le moyen de tige (16) pour une rotation commune tout en permettant une rotation relative limitée du moyen de tige (16) et de l'enrouleur (13) et une liaison d'entraînement entre le moyen de tige (16) et l'extrêmité libre de l'élément obturateur, le moyen de ressort (21) étant tendu dans une direction pour mettre en rotation l'enrouleur (13) par rapport à la tige (16) afin d'enrouler l'élément obturateur (12) sur l'enrouleur et appliquer ainsi une tension à l'élément obturateur, la porte étant caractérisée en ce que le moyen (23, 26) destiné à assurer la rotation de l'enrouleur (13) comprend un mécanisme entraînant l'enrouleur (13) directement de façon que le moyen de tige (16) soit entraîné par l'enrouleur (13) à travers le moyen de ressort (21) et la liaison d'entraînement comprend des premier et second éléments d'entraînement (34) sans fin, non extensibles, s'étendant parallèlement au sens de déplacement de l'élément obturateur (12) sur ses bords opposés, et étant en contact d'entraînement avec le moyen de tige (16), et des pignons libres (35) indépendants respectifs disposés pendant le fonctionnement de façon adjacente à l'extrêmité de l'encadrement de porte qui est opposée à l'extrêmité d'enrouleur de l'encadrement de porte et un moyen (14) fixant l'extrêmité libre de l'élément obturateur (12) à l'élément d'entraînement (34) sans fin en des points suivant la longueur des éléments d'entraînement de façon que la tension soit appliquée à l'élément obturateur entre l'enrouleur et le point de fixation de l'élément obturateur sur les éléments d'entraînement sans fin par le moyen de ressort (21) pressant l'enrouleur et le moyen de tige en rotation suivant des sens opposés appropriés.
2. Porte à enrouleur selon la revendication 1, caractérisée en ce que le moyen de tige (16) s'étend à travers l'enrouleur (13).
3. Porte à enrouleur selon la revendication 1 ou 2, caractérisée en ce que chaque élément d'entraînement (34) est une chaîne d'enrouleur en contact d'entraînement avec le moyen de tige (16) à l'aide d'une couronne respective (33) fixée au moyen de tige (16).
4. Porte à enrouleur selon l'une quelconque des revendications précédentes, caractérisée en ce que le moyen de ressort à torsion (21) est logé à l'intérieur de l'enrouleur creux (13).
5. Porte à enrouleur selon l'une quelconque des revendications précédentes caractérisée en ce que le moyen de ressort à torsion comprend une paire de ressorts à torsion hélicoïdaux (21) encerclant la tige (16), les deux ressorts étant adjacents aux extrémités opposées respectives de l'enrouleur (13).
6. Porte à enrouleur selon l'une quelconque des revendications précédentes, caractérisée en ce que l'extrêmité libre de l'élément obturateur (12) porte une barre (14) relativement rigide qui est fixée à chaque élément d'entraînement (35).
7. Porte à enrouleur selon l'une quelconque des revendications précédentes, caractérisée en ce que le moyen assurant la rotation de l'enrouleur (13) comprend un moteur électrique (26).
EP84300923A 1983-02-19 1984-02-14 Porte enroulable Expired EP0117116B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84300923T ATE30935T1 (de) 1983-02-19 1984-02-14 Rolltuer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8304657 1983-02-19
GB838304657A GB8304657D0 (en) 1983-02-19 1983-02-19 Roller door

Publications (3)

Publication Number Publication Date
EP0117116A2 EP0117116A2 (fr) 1984-08-29
EP0117116A3 EP0117116A3 (en) 1984-11-21
EP0117116B1 true EP0117116B1 (fr) 1987-11-19

Family

ID=10538280

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84300923A Expired EP0117116B1 (fr) 1983-02-19 1984-02-14 Porte enroulable

Country Status (4)

Country Link
EP (1) EP0117116B1 (fr)
AT (1) ATE30935T1 (fr)
DE (1) DE3467600D1 (fr)
GB (1) GB8304657D0 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570119A1 (fr) * 1984-09-11 1986-03-14 Filtrasol Dispositif de deroulement et d'enroulement d'une surface souple sur un tube
CA1260025A (fr) * 1985-11-14 1989-09-26 M & I Door Systems Limited Mecanisme de manoeuvre (ouverture et fermeture) d'une porte de complexe industriel
CA1286591C (fr) * 1987-12-18 1991-07-23 Douglas B. Taylor Mecanisme de relevage et d'abaissement d'une porte-rideau
IT1220423B (it) * 1988-03-16 1990-06-15 Estfeller Srl Meccanismo di azionamento per tende rotolanti
DE4038276A1 (de) * 1990-11-30 1992-06-04 Marantec Antrieb Steuerung Antriebsaggregat fuer zumindest mit einer vertikalen wegkomponente beweglich gefuehrte gegenstaende
US5139074A (en) * 1991-04-03 1992-08-18 Kelley Company Inc. Industrial door having flexible and releasable beam
DE10350116B3 (de) * 2003-10-28 2005-02-10 Hörmann Kg Dissen Rollabschluss
CN101597998B (zh) * 2009-06-26 2011-12-07 长春市奥普科技有限公司 一种高稳固性软卷帘电动门

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE634627A (fr) * 1962-07-09
DE2842381A1 (de) * 1978-09-29 1980-04-03 Paul Baier Rolladen fuer dachfenster in schwenkfluegelbauweise
FR2504578A1 (fr) * 1981-04-28 1982-10-29 Franciaflex Store a guidage lateral et a grande extension tel qu'un velum pour serres, verandas et analogues

Also Published As

Publication number Publication date
EP0117116A2 (fr) 1984-08-29
GB8304657D0 (en) 1983-03-23
EP0117116A3 (en) 1984-11-21
DE3467600D1 (de) 1987-12-23
ATE30935T1 (de) 1987-12-15

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