EP0125217B1 - Roll-up door - Google Patents

Roll-up door Download PDF

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Publication number
EP0125217B1
EP0125217B1 EP84850024A EP84850024A EP0125217B1 EP 0125217 B1 EP0125217 B1 EP 0125217B1 EP 84850024 A EP84850024 A EP 84850024A EP 84850024 A EP84850024 A EP 84850024A EP 0125217 B1 EP0125217 B1 EP 0125217B1
Authority
EP
European Patent Office
Prior art keywords
door
leaves
roll
roller
leaf
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
EP84850024A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0125217A3 (en
EP0125217A2 (en
Inventor
Bernt Hugo Manns
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.)
Nomafa AB
Original Assignee
Nomafa AB
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 Nomafa AB filed Critical Nomafa AB
Priority to AT84850024T priority Critical patent/ATE42798T1/de
Publication of EP0125217A2 publication Critical patent/EP0125217A2/en
Publication of EP0125217A3 publication Critical patent/EP0125217A3/en
Application granted granted Critical
Publication of EP0125217B1 publication Critical patent/EP0125217B1/en
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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
    • E05D13/10—Counterbalance devices
    • E05D13/12—Counterbalance devices with springs
    • E05D13/1207—Counterbalance devices with springs with tension springs
    • E05D13/1215—Counterbalance devices with springs with tension springs specially adapted for overhead wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/658—Members cooperating with flexible elongated pulling elements
    • E05Y2201/668—Pulleys; Wheels
    • E05Y2201/67—Pulleys; Wheels in tackles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages

Definitions

  • the subject invention concerns a roll-up door the door-leaf of which is flexible and arranged to be wound onto a roll-up roller.
  • the door-leaf is attached, preferably at its lower end, to two tensioning devices, which are received in their respective one of two side frames located on either side of the door-leaf.
  • the tensioning device is also arranged to act on the roll-up roller, essentially for the purpose of providing a tensioning effect in said door-leaf between said roller and the lower end of the door-leaf.
  • a feature common to all types of doors mentioned above is that in their open position they are collected above the door opening and for this reason several of them require considerable headroom space vertically or in the plane above the opening.
  • the speed of opening up and closing the doors is very low, resulting in considerable holdup time for internal-transport vehicles, particularly when double doors including an air lock are used in which case one door has to be shut before the second one is opened.
  • prior-art door is described in US-A-3 878 879 and consists of a roll-up door comprising a single door-leaf which is arranged to be wound onto a roll-up roller.
  • the door opening and closing movements are rapid, the door operation is noiseless and the space required to accommodate the door-leaf in its open position is minimal.
  • This prior-art door is particularly suitable for use between two premises or rooms to avoid disturbing air currents and noise between the two premises. Because it may be closed and opened rapidly the door is also suitable for use between premises and the outside where a heavy traffic load makes it necessary to open and close the door frequently, such as for instance is the case at goods- reception stations.
  • EP-A-0 065 876 describes a curtain for covering window and wall surfaces.
  • the prior-art door construction comprises a device designed to maintain the door-leaf in stretched condition vertically and at the same time balanced with the aid of tensioning devices, located in their respective one of the two side frames.
  • the tensioning device may consist for instance of a movable weight-actuated wire or belt pulley through which is carried a wire or belt. One end of the wire or belt is attached to the lower end of the door-leaf.
  • the opposite wire or belt end is arranged to be wound on and off a wire or belt pulley which is connected to the wind-up roller of the door-leaf, in the opposite direction from the winding-on and winding-off of the door-leaf itself.
  • the load which may be a weight, a spring or some other suitable device is divided into two opposing counter-balancing load components.
  • Half the load acts on the wire or belt pulley provided on the roll-up roller. This load component is transferred to the door-leaf as a consequence of the winding-on and winding-off of the wire or belt in the opposite direction to the door-leaf movement in the form of an upwardly directed force.
  • the other half of the load acts as a downwardly directed force acting on the lower edge of the door-leaf.
  • Balancing of the dead weight of the door-leaf must be effected by providing for differences in the moments or radii of the roll-up roller of the door-leaf and of the wire or belt pulley associated therewith.
  • the radius of the pulley is the larger one the vertically upwards directed force acting on the door-leaf will be reinforced and exceed the downwards directed force.
  • the difference in forces will counteract the dead weight of the door-leaf and balance it.
  • the difference of moments (difference of radii) that this would require is of such a magnitude that the dimensions of the wire or belt pulley inevitably would become unproportionally large.
  • the difference of moment (radii) also affects the movements of the weight in the side frame and therefore the space allowed for the movements of the weight may be insufficient.
  • the load is in the form of a spring the spring movements become unproportionally large and affect the serviceable life of the spring.
  • the roll-up door in accordance with the subject invention has for its purpose to remedy the drawbacks outlined in the aforegoing while at the same time provide good insulating effects.
  • the door according to the invention possesses all the advantages of single door-leaf roll-up doors.
  • the door with two door-leaves which are arranged to be respectively wound onto and wound off a common roll-up roller.
  • the two door-leaves are attached at their lower ends to a rigid profile member which is rotatively arranged between the door-leaves to be raised or lowered together with the leaves and to compensate by rotation for the relative movement between the door-leaves.
  • the rigid profile member is connected to tensioning devices arranged in respective side frame on either side of the door-leaves.
  • a fixed roll is located between the door-leaves in a position between the rigid profile and the roll-up roller. This fixed roll has to maintain the two door-leaves, in combination with the rigid profile, substantially in parallel relationship.
  • An elongate, flexible sealing cloth is preferably suspended from the lower end of the roll-up door and secured to the double door leaves of the door.
  • a photoelectric cell arranged to emit a beam of light between the sealing cloth and the rigid member may be so connected to the motor operating the door-leaf movements that as soon as the beam of light emitted by the photoelectric cell is interrupted the winding-off of the door ceases.
  • one or several members may be arranged to be lowered together with the door into abutment against stop means which are conceived to stop and support the stiffening members at suitable spaced-apart positions.
  • the roll-up door in accordance with the embodiment shown in Figs. 1-4 is designated generally by numeral 2.
  • This door consists of two door-leaves 4 forming a double-cloth door-leaf.
  • the cloths are attached at their bottom ends to a rigid profile member, such as a tube 6.
  • the tube serves both as a weight-balancing means to achieve equal tensioning of the two door-leaves and as a guide means to control the movements of the door 2.
  • the ends of the tube 6, only one of which is shown in the drawings (Figs. 1 and 2), are rotatably mounted in a slider 8 which is arranged to run in a guide means 10 the open side of which faces the door-leaves 4 and which guide means control the movements of the slider 8.
  • the guide means 10 is mounted in a profile member 12forming the frame and end post of the roll-up door 2.
  • a corresponding frame member (not shown) is provided at the opposite side of the door 2.
  • the door-leaves 4 are pulled up and down by being wound onto and off a roller 14, whereby the two door-leaves 4 are wound onto and off said roller.
  • the door-leaves 4 are kept in spaced relationship both by the tube 6 and by a roll 16 about which is carried one of the door-leaves 4.
  • the two door-leaves 4forming the roll-up door 2 will be suspended in parallel relationship along principally the entire extension of the door when the latter is in its fully pulled-down position, that is closed.
  • the relative movements occurring between the two door-leaves 4 as a result of each winding turn of one of the leaves being wound on top of the other leaf on the roller 14 are compensated for in a simple manner by turning the profile member 6.
  • a flexible, elongate sealing cloth 18 At the lower end of the roll-up door 2 is provided a flexible, elongate sealing cloth 18.
  • attachment members 19 the two ends of the cloth 18 are secured to their respective one of the door-leaves 4.
  • the cloth 18 hangs freely like a loop or pocket below the tube 6.
  • the cloth In the lower (closed) position of the door the cloth will abut against the substructure/ground, thus forming an insulating means protecting against floor draughts. In this manner good insulation effects are obtained also when the ground/floor is uneven, sloping, etcetera.
  • a system including a photoelectric cell '20 arranged on the slider 8 cooperates with a beam of light emitted between the two sliders in parallel with the tube 6 and in the lengthwise direction of the sealing cloth 18 inside the loop formed by the latter.
  • the sealing cloth 18 bends upwards as a result of an obstruction, for instance by the presence of a person or a vehicle underneath the door, blocking the path of movement of the cloth 18 during the closing movement of the door 2, the beam of light is interrupted and the closing movement of the door is stopped. It may even be preferable to arrange for the door to re-open automatically over a short distance when the closing movement has been stopped. Owing to the interruption of the door closing movement before the tube 6 reaches the obstacle or blocking object accidents may be avoided.
  • the safety function may be provided in other conventional ways, for instance by the provision of a pneumatically operated rail, a tape-switch, to mention only a few.
  • the door in accordance with the invention is provided with a special tensioning device comprising a belt 22 which is attached to the slider 8.
  • the belt 22 extends in a downwards direction from the slider and immediately above ground level it is passed about two pulleys 24, 26 from whence it runs upwards towards a third pulley 28 which is positioned at the upper portion of the roll-up door 2 (see Fig. 3 and the left part of Fig. 1).
  • the belt 22 On its run from the slider 8 to the pulley 28 the belt 22 is turned over a quarter of a turn about its lengthwise axis, whereby at the level of the pulley 28 and beyond, the belt 22 will extend in parallel with the door-leaves 4.
  • From the pulley 28 the belt 22 runs downwards and about a fourth pulley 30 which is secured to a spring 32 and further up and around a fifth pulley 34 and finally to a wind-on disc 36.
  • the disc 36 is mounted on the same shaft 38 as are the roller 14, the corresponding wind-on disc for the belt 22 at the opposite side of the door 2 (not shown) and a motor 40 producing the motions of the roller 14 and the discs 36. Owing to the mounting of these means on a common shaft the door-leaves 4 will be paid out when the belts 22 are paid in because the latter are wound on the discs 36 in a direction opposite to that of the door-leaves 4.
  • the width of the door-leaves 4 exceeds the length of the tube 6 and their side edges project into the guide means 10, see Fig. 2 (and Fig. 1). This increases the sealing effect at the side frames of the door 2 when the latter is in its lower position.
  • the side edges of the door-leaves 4 are slitted at their lower ends in such a manner that each door-leaf 4 forms a depending flat 42 below and laterally of the tube 6.
  • One or several stiffening members in the form of tubes or beams 44 between the two door-leaves 4 are arranged to be lifted and lowered by the slider 8 to and from a position at suitable spacings when the door 2 is in its lower position.
  • Fig. 1 shows a stiffening member 44 supported on a pair of abutments 46 which preferably are secured to the guide means 10.
  • This tube 44 gives stability to the door 2 in the lowermost position of the latter and prevents it from serving as a wind- catcher means of sail or balloon type.
  • Fig. 6 shows the manner in which the tensioning device is supplemented with a weight 69 which by means of a block 71 is suspended in a wire 70.
  • the weight is suspended so as to tend to turn the disc 36 in the same direction as the tensioning belt 22 and consequently it reinforces the moment of force by means of which the tensioning belt 22 acts on the disc 36.
  • the weight 69 serves to balance the weight of the door-leaves 4 upon operation of the door, and to tension it.
  • the weight 69 is particularly suitable for use in larger doors in order to avoid big and bulky tensioning devices comprising the tensioning belt 22 and the spring 32.
  • Fig. 5 shows modifications of the tensioning device shown in Fig. 6.
  • the double door-leaves (not shown) are wound on and off a roll-up roller 14.
  • a belt 22 or similar means is attached to a rotatively arranged rigid profile member (not shown) at the lower end of the door-leaves.
  • the belt 22 is carried around fixed discs 24, 26, 28 and around a movable disc 30 which is weighted by a tensioning device, preferably a spring 32, the opposite end of said belt being wound onto a disc 36 which is mounted on the same shaft as the roll-up roller 14.
  • the spring force is divided into two components one of which is transferred via the discs 24, 26, 28 to the door-leaves as a vertically downwards directed force.
  • the other force component is transferred to the disc 36 and the roll-up roller 14 and acts on the door-leaves as a vertically upwards directed force.
  • To the downwardly directed force should be added the force of gravity of the rigid profile and the door-leaves.
  • the latter force may be wholly or partly compensated for by the difference of moments (difference of radii) between the disc 36 and the roll-up roller 14.
  • a weight 69 which acts on the door-leaves as an upwardly directed force via the belt 70, the disc 36 and the roll-up roller 14. All of the weight 69 may act on the door-leaves as is the case in the embodiment illustrated in Fig. 5, but in this case its movements will be rather large. In order to reduce its movements the weight 69 may be suspended from a movable disc 71 (Fig. 6). One end of the belt 70 is attached to the fixed frame of the roll-up door. Only half of the load of the weight 69 acts on the door-leaves but on the other hand its movements are smaller.
  • a number of advantages are obtained with a roll-up door in accordance with the invention. With the double-leaf an excellent insulation is obtained as a result of the insulating air layer formed between the two leaves. This makes it possible to use the door between heated and non- heated premises or between the inside and the outside of a building.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Body Structure For Vehicles (AREA)
  • Wing Frames And Configurations (AREA)
  • Gates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Saccharide Compounds (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
EP84850024A 1983-02-03 1984-01-26 Roll-up door Expired EP0125217B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84850024T ATE42798T1 (de) 1983-02-03 1984-01-26 Aufwickelbare tuer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8300573A SE8300573L (sv) 1983-02-03 1983-02-03 Rullport
SE8300573 1983-02-03

Publications (3)

Publication Number Publication Date
EP0125217A2 EP0125217A2 (en) 1984-11-14
EP0125217A3 EP0125217A3 (en) 1985-01-23
EP0125217B1 true EP0125217B1 (en) 1989-05-03

Family

ID=20349887

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84850024A Expired EP0125217B1 (en) 1983-02-03 1984-01-26 Roll-up door

Country Status (6)

Country Link
EP (1) EP0125217B1 (sv)
AT (1) ATE42798T1 (sv)
CA (1) CA1237976A (sv)
DE (1) DE3478044D1 (sv)
FI (1) FI76183C (sv)
SE (1) SE8300573L (sv)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4606157A (en) * 1983-01-04 1986-08-19 Four Seasons Solar Products Corp. Shade arrangement for solar green-houses and the like
FR2563555A1 (fr) * 1984-04-27 1985-10-31 Pons Pierre Dispositif de tension permettant l'enroulement et le deroulement d'un store du type velum
GB2166480A (en) * 1984-11-02 1986-05-08 Guthrie Douglas Ltd Roller apparatus
FR2581378B1 (fr) * 1985-05-02 1988-04-15 Bourdeau Michel Dispositif de tension progressive d'un element souple enroulable
GB8700987D0 (en) * 1987-01-17 1987-02-18 Clark Door Ltd Roller doors
DE3869433D1 (de) * 1987-01-17 1992-04-30 Clark Door Ltd Rolltore.
GB2201983B (en) * 1987-03-05 1990-10-10 Hymo Lift Ltd Improved door
IT1210793B (it) * 1987-06-12 1989-09-20 Luciano Srl Porta ad arrotolamento
DE3905224A1 (de) * 1987-10-23 1990-08-30 Labex Import Export Ind Rolltor
DE3735850C1 (de) * 1987-10-23 1989-02-23 Labex Gmbh Imp Exp Industriean Rolltor
SE466923B (sv) * 1990-09-28 1992-04-27 Eriksson Jens Foersaeljning Ridaaanordning
US5139074A (en) * 1991-04-03 1992-08-18 Kelley Company Inc. Industrial door having flexible and releasable beam
US5392836A (en) * 1992-06-23 1995-02-28 Rite Hite Corporation Door assembly
GB2291674B (en) * 1994-07-26 1997-10-08 David Leslie Mansley Door arrangements
US5579820A (en) 1994-11-10 1996-12-03 Lepage; Robert Roll-up door for vehicle shelters
GB9423002D0 (en) * 1994-11-15 1995-01-04 Mansley David L Improvements in or relating to doors
EP0808407B1 (en) * 1995-02-10 2002-12-18 RITE-HITE HOLDING Corporation Curtain bottom tensioning assembly
US5944086A (en) * 1995-02-10 1999-08-31 Rite-Hite Holding Corporation Curtain bottom tensioning assembly
US6089305A (en) * 1995-02-10 2000-07-18 Rite-Hite Holding Corporation Curtain guiding assembly for a soft edge door with a selectively tensioned leading edge
US5638883A (en) * 1995-02-10 1997-06-17 Rite-Hite Corporation Breakaway guide assembly for a roller door
US5601134A (en) * 1995-03-23 1997-02-11 Rite-Hite Corporation Retainer assembly for roll-up door
US5655591A (en) * 1995-03-31 1997-08-12 Rite-Hite Corporation Tension assembly for roller door
US5730197A (en) * 1996-07-24 1998-03-24 Rite-Hite Corporation Tension and release mechanism for belt member on roller door
US5887637A (en) * 1997-05-05 1999-03-30 Phyper; Duncan Aperture covering system
FR2787826B1 (fr) * 1998-12-29 2001-03-23 Jean Moinet Dispositif d'immobilisation d'un ecran en position basse
DE29906582U1 (de) 1999-04-14 2000-09-21 Langenbach Guido Crashschutzvorrichtung
US9556672B2 (en) 2014-10-28 2017-01-31 Rite-Hite Holding Corporation Rolling windbars for roll-up doors

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982002070A1 (en) * 1980-12-08 1982-06-24 Sven A Liljendahl Heat-insulating roller-blind

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE386944B (sv) * 1972-08-18 1976-08-23 Nordiska Maskinfilt Ab Rulljalusiport
US4194550A (en) * 1976-01-26 1980-03-25 Insulating Shade (Limited Partnership) Apparatus for insulating against conductive, convective and radiant heat transmission
CA1178013A (en) * 1981-05-22 1984-11-20 Richard S. Steele Sealing system for movable insulation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982002070A1 (en) * 1980-12-08 1982-06-24 Sven A Liljendahl Heat-insulating roller-blind

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Baubeschlag Taschenbuch, 1979, pages 245 and 295, *

Also Published As

Publication number Publication date
DE3478044D1 (de) 1989-06-08
CA1237976A (en) 1988-06-14
FI76183B (fi) 1988-05-31
SE8300573L (sv) 1984-08-04
FI840381A (fi) 1984-08-04
EP0125217A3 (en) 1985-01-23
SE8300573D0 (sv) 1983-02-03
EP0125217A2 (en) 1984-11-14
FI76183C (sv) 1988-09-09
ATE42798T1 (de) 1989-05-15
FI840381A0 (fi) 1984-01-31

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