EP0565601B1 - Porte a enroulement - Google Patents

Porte a enroulement Download PDF

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Publication number
EP0565601B1
EP0565601B1 EP92903208A EP92903208A EP0565601B1 EP 0565601 B1 EP0565601 B1 EP 0565601B1 EP 92903208 A EP92903208 A EP 92903208A EP 92903208 A EP92903208 A EP 92903208A EP 0565601 B1 EP0565601 B1 EP 0565601B1
Authority
EP
European Patent Office
Prior art keywords
roller
turned
pulley
door
pulleys
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
EP92903208A
Other languages
German (de)
English (en)
Other versions
EP0565601A1 (fr
Inventor
Albin Sjostrom
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 EP0565601A1 publication Critical patent/EP0565601A1/fr
Application granted granted Critical
Publication of EP0565601B1 publication Critical patent/EP0565601B1/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
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive

Definitions

  • the present invention relates to a rolling door or roll-up door comprising a flexible door leaf which is rolled up round an upper roller and which, when unrolled therefrom, closes a door opening; a motor for turning the roller in both the unrolling and the rolling-up direction; two upper pulleys which are coaxial with the roller and disposed one at each end of the roller so as to turn with the roller; and two ropes each travelling over a lower pulley provided in the lower part of the door opening, each rope being fixed, at one end, to the free end of the door leaf and, at the other end, to an upper pulley, so as to be rolled up round the upper pulley when the roller is turned in the unrolling direction and be unrolled from the upper pulley when the roller is turned in the rolling-up direction.
  • a rolling door is, for instance, known from DE-C-3735850.
  • the object of the present invention is to provide a roll-up door of this type, which is equipped with a particularly simple device for stretching the door leaf when wholly or partly unrolled, the stretching force produced by the device increasing as the door leaf is unrolled.
  • this device should make it possible to so counterbalance the weight of the door leaf that the latter, when the motor is disengaged, either is retained in its position without dropping, or is rolled up round the roller.
  • a roll-up door which is of the type stated above and which is characterised in that the two upper pulleys are of larger diameter than the roller and are connected to the roller by a spring means which is adapted, when the roller is turned in the unrolling direction, to entrain the two upper pulleys in this movement, said spring means being so mounted that its spring tension increases when the roller is thus turned owing to the fact that the upper pulleys turn more slowly than the roller because of the difference in diameter.
  • the roll-up door illustrated in Figs 1 and 2 has a door leaf 1 of flexible material, e.g. a plastic-coated woven fabric.
  • the door leaf 1 is supported by an upper roller 2 which is disposed above a door opening (not shown) and whose shaft 3 is rotatably mounted in a side stand (not shown).
  • the door leaf 1 is rolled up round the roller 2 and, when unrolled, closes the door opening.
  • the roller 2 is rotatable in both the unrolling and the rolling-up direction by means of a motor (not shown) driving the shaft 3.
  • Two upper pulleys 4, which are of larger diameter than the roller 2, are supported in freely rotatable manner by the shaft 3 on both sides of the roller 2.
  • Two lower pulleys 5 are arranged in the lower part of the door opening, each pulley being disposed straight below an upper pulley 4.
  • a rope 6 travels over each pulley 5, and is, at one end, fixed to the free end edge of the door leaf 1 and, at the other end, fixed to the upper pulley 4 straight above, so as to be rolled up round and unrolled from the upper pulley 4 when the roller 2 is rotated in the unrolling and the rolling-up direction, respectively.
  • Each upper pulley 4 is connected to the roller 2 by a spring 7 which, for reasons of clarity, is illustrated as a tension spring mounted on the outside of the roller 2 and the respective pulley 4.
  • the spring may be of any suitable type able to perform the function described below.
  • the springs 7 are so mounted on the roller and the pulley that they, when the roller is turned in the unrolling direction, entrain the pulleys 4 in this movement while their spring tension is increased, as will be explained in more detail below.
  • the marks 8 and 9 are situated opposite to one another when the door leaf 1 is in the partly unrolled position shown in Fig. 1.
  • the latter has been turned clockwise to the position shown in Fig. 2, in which the reference mark 8 on the roller 2 is slightly ahead of the reference mark 9 on the pulley 4, as illustrated.
  • the spring 7 has been extended a corresponding distance.
  • the door leaf 1 is stretched by the springs 7 via the ropes 6 connected to the free end edge of the door leaf 1, the stretching force produced by the springs 7 increasing as the door leaf 1 is unrolled.
  • the desired stretching force is obtained by a suitable choice of the springs 7 and the difference in diameter between the roller 2 and the pulleys 4.
  • the springs 7 obviously ensure that the weight of the door leaf 1 is counterbalanced in such a manner that the door leaf either is retained in its position without dropping, or is rolled up round the roller 2, if the motor is disengaged, e.g. in the event of a power failure.
  • the space-saving embodiment shown in Fig. 3 requires very little space outside the wall in which the door opening is formed.
  • the roll-up door of Fig. 3 differs from that of Figs 1 and 2 only in that a guide roller 10 is provided for each rope 6.
  • the guide roller 10 is disposed slightly below the upper pulley 4 and is closer to the wall.
  • the lower pulleys 5 are then disposed closer to the wall, straight below the guide rollers 10.

Landscapes

  • Structural Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Materials For Photolithography (AREA)
  • Crushing And Grinding (AREA)
  • Glass Compositions (AREA)
  • Electronic Switches (AREA)
  • Logic Circuits (AREA)
  • Gates (AREA)
  • Window Of Vehicle (AREA)
  • Pinball Game Machines (AREA)
  • Liquid Crystal (AREA)
  • Lock And Its Accessories (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Claims (1)

  1. Porte à enroulement comprenant un battant de porte (1) flexible qui est enroulé autour d'un rouleau supérieur (2) et qui, lorsque déroulé de ce dernier, ferme une ouverture de porte; un moteur conçu pour faire tourner le rouleau dans le sens de déroulement ainsi que dans le sens d'enroulement; deux poulies supérieures (4) qui sont coaxiales avec le rouleau et qui sont chacune prévues à une extrémité du rouleau de manière à tourner avec ce dernier; et deux cordes (6) chacune passant par une poulie inférieure (5) prévue dans la partie inférieure de l'ouverture de porte, chaque corde (6) étant, à l'une de ses extrémités, attachée à l'extrémité libre du battant de porte (1) et, à l'autre extrémité, attachée à une poulie supérieure (4) de sorte à être enroulée autour de la poulie supérieure lorsque le rouleau (2) tourne dans le sens de déroulement et de sorte à être déroulée de la poulie supérieure lorsque le rouleau tourne dans le sens d'enroulement, caractérisée en ce que les deux poulies supérieures (4) ont un diamètre supérieur à celui du rouleau (2) et sont reliées à ce dernier par un moyen à ressort (7) qui est conçu, lorsque le rouleau (2) tourne dans le sens de déroulement, pour entraîner les deux poulies supérieures (4) dans ce mouvement, ledit moyen à ressort (7) étant monté de sorte que sa tension de ressort augmente lorsque le rouleau (2) tourne de cette façon puisque les poulies supérieures (4) tournent plus lentement que le rouleau en raison de la différence de diamètre.
EP92903208A 1991-01-10 1992-01-09 Porte a enroulement Expired - Lifetime EP0565601B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9100072A SE467746B (sv) 1991-01-10 1991-01-10 Rullport
SE9100072 1991-01-10
PCT/SE1992/000005 WO1992012322A1 (fr) 1991-01-10 1992-01-09 Porte a enroulement

Publications (2)

Publication Number Publication Date
EP0565601A1 EP0565601A1 (fr) 1993-10-20
EP0565601B1 true EP0565601B1 (fr) 1996-06-19

Family

ID=20381576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92903208A Expired - Lifetime EP0565601B1 (fr) 1991-01-10 1992-01-09 Porte a enroulement

Country Status (12)

Country Link
EP (1) EP0565601B1 (fr)
JP (1) JPH06504343A (fr)
KR (1) KR0175685B1 (fr)
AT (1) ATE139601T1 (fr)
AU (1) AU648146B2 (fr)
CA (1) CA2100071A1 (fr)
DE (1) DE69211676T2 (fr)
DK (1) DK0565601T3 (fr)
FI (1) FI96355C (fr)
NO (1) NO178161C (fr)
SE (1) SE467746B (fr)
WO (1) WO1992012322A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100318785B1 (ko) * 1994-01-14 2002-04-22 우에하라 아끼라 티아졸리딘유도체

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE353573B (fr) * 1972-03-03 1973-02-05 Berden & Co Ab
DE3710575A1 (de) * 1987-03-30 1988-10-13 Schieffer Gmbh Co Kg Rolltor mit einem torblatt aus flexiblem material
DE3735850C1 (de) * 1987-10-23 1989-02-23 Labex Gmbh Imp Exp Industriean Rolltor
DE3905224A1 (de) * 1987-10-23 1990-08-30 Labex Import Export Ind Rolltor

Also Published As

Publication number Publication date
CA2100071A1 (fr) 1992-07-11
ATE139601T1 (de) 1996-07-15
SE9100072D0 (sv) 1991-01-10
SE467746B (sv) 1992-09-07
AU648146B2 (en) 1994-04-14
NO178161B (no) 1995-10-23
FI933166A7 (fi) 1993-07-09
DK0565601T3 (da) 1996-10-14
AU1171492A (en) 1992-08-17
KR0175685B1 (ko) 1999-04-01
NO932504D0 (no) 1993-07-08
FI933166A0 (fi) 1993-07-09
JPH06504343A (ja) 1994-05-19
NO178161C (no) 1996-01-31
WO1992012322A1 (fr) 1992-07-23
FI96355C (fi) 1996-06-10
SE9100072L (sv) 1992-07-11
DE69211676D1 (de) 1996-07-25
EP0565601A1 (fr) 1993-10-20
NO932504L (no) 1993-07-08
DE69211676T2 (de) 1997-02-13
FI96355B (fi) 1996-02-29

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