EP1724431A1 - Agencement de porte comportant un système de tension et procédé de fonctionnement d'un tel système - Google Patents

Agencement de porte comportant un système de tension et procédé de fonctionnement d'un tel système Download PDF

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Publication number
EP1724431A1
EP1724431A1 EP05010754A EP05010754A EP1724431A1 EP 1724431 A1 EP1724431 A1 EP 1724431A1 EP 05010754 A EP05010754 A EP 05010754A EP 05010754 A EP05010754 A EP 05010754A EP 1724431 A1 EP1724431 A1 EP 1724431A1
Authority
EP
European Patent Office
Prior art keywords
resilient element
flexible
tension
door leaf
door
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.)
Withdrawn
Application number
EP05010754A
Other languages
German (de)
English (en)
Inventor
Bo Fransson
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.)
Cardo Door AB
Original Assignee
Cardo Door 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 Cardo Door AB filed Critical Cardo Door AB
Priority to EP05010754A priority Critical patent/EP1724431A1/fr
Publication of EP1724431A1 publication Critical patent/EP1724431A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E05D13/1223—Spring safety devices
    • 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
    • E06B9/11—Roller shutters
    • E06B9/13—Roller shutters with closing members of one piece, e.g. of corrugated sheet metal
    • 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
    • E06B9/62—Counterweighting arrangements
    • 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
    • E05D13/1253—Counterbalance devices with springs with canted-coil torsion springs
    • E05D13/1261—Counterbalance devices with springs with canted-coil torsion 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
    • 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 present invention relates to a door arrangement comprising a flexible door leaf, arranged on a winding roller, wherein the door arrangement is provided with flexible traction members associated with at least one driving device in order to enable the flexible door leaf to be movable between a closed position and an open position, and vice versa, said door arrangement comprising a tension system comprising said flexible traction members extending along the directions of movement, and said tension system forming, at the sides of the door arrangement, a closed loop system.
  • a door arrangement comprising a flexible door leaf and flexible traction members in a closed loop system, maintained in tension by at least one resilient element, may experience damage during an unintentional stop. This damage may for example occur when the door leaf is hindered in its movement between an open and a closed position, or vice versa and result in wearing of in particular said resilient element if repeated over time.
  • an improved roller door arrangement provided with a closed loop system, capable of handling slack during normal operation, as well as if unintentionally stalled during movement. It is a further issue to provide an improved roller door arrangement with a persistent tension system adapted for safe and secure operation over a long period of time. It is a more general object of the invention to provide a door arrangement capable of handling stalling of the door leaf and slack of the tension system smoothly and yet with a reasonable effect requirement on the driving device.
  • a method for handling slack in a door arrangement comprising a flexible door leaf arranged on a winding roller, if said flexible door leaf is stalled in its movement between an open and a closed position, or vice versa, said door arrangement being provided with flexible traction members associated with at least one driving device for applying a traction force on the flexible door leaf in the direction of movement, said door arrangement comprising a tension system comprising said flexible traction members and said tension system forming, at the sides of the door arrangement, a closed loop system, wherein a first and a second resilient element are provided to said tension system on either side of the lower portion of said flexible door leaf as seen when following the closed loop in one direction, said method comprises the steps of:
  • the first and second resilient element are provided to said tension system on either side of a lower portion of said flexible door leaf.
  • the driving device applies a traction force on the door leaf by means of the flexible traction members.
  • said door leaf forms part of said closed loop tension system.
  • the flexible traction members are then possibly integrated in the door leaf.
  • said door leaf functions as flexible traction member throughout a zone and being connected to flexible traction members by its end portions.
  • the closed loop system utilizes a winding roller and a roll-up winder, which may be on the same or on separate axles and the dimensions of the two rollers change during the closing and opening movement, hence giving origin to certain irregularities in the winding process. Other reasons for irregularities in the winding process may also occur. Thus, it is important with resilient elements that are able to handle these irregularities and maintain the closed loop system in a tensioned state during opening and closing of the door arrangement, and prevent slack in the closed loop system.
  • the driving device applies a traction force on the door leaf by means of the flexible traction members. If the door leaf is stalled meaning in the content of this application any situation where the friction force during movement result in a slack of the tension system or part of the tension system and in particular when the movement of the door leaf is temporarily or completely stopped due to a counteracting force. It is preferred that the system continues to apply the traction force to overcome the force by which the door leaf is stalled.
  • the first resilient element will, in the situation where the door leaf is stalled in a closing movement, be tensioned by the traction force applied by the traction members. Hence, the traction force applied on the door leaf will be lower than if the traction member did not have a resilient element.
  • the arrangement with a determined tension range and a hard stop being reached when the tension range is reached provides the first resilient element to become stiff in that particular direction, and hence the traction force is applied directly on the door leaf.
  • the arrangement thereby provides for the stalling force to be overcome smoothly and with less force being provided from the driving device than in an arrangement without a given tension range.
  • a slack may arise in the tension system and resulting in a potential slack of the flexible door leaf.
  • the slack of the door leaf will increase the area exposed to e.g. wind load and thus the stalling force may increase if there is no means for handling such slack.
  • the door arrangement is arranged so that the first resilient element is attached to a pulley operatively connected to said closed loop flexible traction member.
  • This arrangement provides for the first resilient element to be positioned in substantially the same position in the arrangement during a closing or opening movement of the flexible door leaf. Hence, the first resilient element will not move along the path of the flexible traction member.
  • the first resilient element can therefore be positioned where it best fulfils the functions of keeping the flexible traction member in a tensioned state, but also becomes inelastic if a certain tension range is exceeded.
  • the flexible traction member propagates around three pulleys.
  • the upper value of the tension range allowed for the first resilient element is reached when the door arrangement is in its closed position.
  • the first resilient element will be subject for tension during a closing and opening movement, even if the door leaf is not stalled in its movement. If the upper value of the tension range is lower than the maximum tension characteristic of the first resilient element during normal use, the flexible traction members will be applying direct traction force on the door leaf in a normal closing or opening movement, which is not desired from an operating viewpoint. If the upper limit of the tension range is higher than the tension value when the door is in its closed position, problems will arise with ensuring the full closing of the door leaf.
  • the first resilient element is a spring.
  • a spring is the currently preferred option.
  • a spring retainer is used to provide the hard stop to be reached when the tension range is exceeded.
  • a spring retainer can be constructed in many several ways falling within the scope of protection. However, a chain provided along the propagation of a spring, preferably a spiral spring is one currently preferred alternative.
  • the second resilient element is preferably operatively connected to said winding roller. In a closing or opening movement of the door leaf, the second resilient member is then operable in handling irregularities in the traction force applied by the flexible traction members.
  • the second resilient member is arranged circumferentially along the longitudinal extension of the axle of the winding roller, the axle of the winding roller being spring loaded and provided with a circumferential shoulder and the shoulder being engagable with a stop arranged inside the winding roller.
  • This arrangement allows for the second resilient member to handle the irregularities in the traction force applied on the door leaf by the flexible traction members. It possibly also allow the second resilient member, in a situation where the door leaf is stalled in its movement between an open and a closed position, to stop feeding the flexible door leaf, i.e. maintain the door leaf in a stretched position.
  • the prevention of slack in the door leaf minimises the surface of the door leaf being exposed to the wind.
  • the stalling forces to be overcome by the door arrangement, by the driving device, via the traction member are substantially lower. Thereby, the wind loads can be handled by this inventive door arrangement by means of a leaner driving device.
  • the second resilient element is a torsion spring, preferably a spiral spring.
  • Fig. 1 is a schematic perspective view of a door arrangement, in an open position, according to a first embodiment of the invention.
  • Fig. 2a is a partial schematic perspective view from one side of a door arrangement, in an open position, according to a first embodiment of the invention.
  • Fig. 2b is a partial schematic perspective view from one side of a door arrangement, in a stalled position, according to a first embodiment of the invention.
  • Fig. 2c is a partial schematic perspective view from one side of a door arrangement, in a closed position, according to a first embodiment of the invention.
  • Fig. 3a is a schematic side view of a tension system of the first embodiment in accordance with fig 2.
  • Fig. 3b is a schematic side view of a tension system according to a second aspect of the door arrangement.
  • Fig. 3c is a schematic side view of a driving arrangement according to a third aspect of the door arrangement.
  • Fig. 4 is a front view of a first resilient element and a pulley, according to a first embodiment of the invention.
  • Fig. 5 is a partial schematic perspective view of a winding roller drum.
  • a roller door arrangement 1 comprises a flexible door leaf 2, wound on a winding roller 3 which is mounted rotatably at the door opening.
  • the roller door arrangement 1 is provided with flexible traction members 4 associated with at least one driving device 5 for applying a traction force on the flexible door leaf 2, to enable the flexible door leaf 2 to be movable between a closed position and an open position.
  • a roller door arrangement 1 comprises a detector 22 and security device 23 for interrupting closing movement when an obstacle is detected. Furthermore, the roller door arrangement 1 comprises a lower bar 24 with a detector 22 for detecting an obstacle and possibly interrupting closing movement.
  • the first and second resilient element are provided to said tension system on either side of a lower portion of said flexible door leaf.
  • the driving device applies a traction force on the door leaf by means of the flexible traction members.
  • the closed loop system utilizes a winding roller and a roll-up winder, which may be on the same or on separate axles and the dimensions of the two rollers change during the closing and opening movement, hence giving origin to certain irregularities in the winding process. Other reasons for irregularities in the winding process may also occur.
  • the resilient elements are able to handle these irregularities and maintain the closed loop system in a tensioned state during opening and closing of the door arrangement.
  • the driving device 5 applies a traction force on the door leaf 2 by means of the flexible traction members 4. If the door leaf 2 is stalled meaning in the content of this application any situation where the friction force during movement result in a slack of the tension system or part of the tension system and in particular when the movement of the door leaf is temporarily or completely stopped due to a counteracting force. It is preferred that the tension system continues to apply the traction force to overcome the force by which the door leaf is stalled.
  • the first resilient element 7 will, in the situation where the door leaf is stalled in a closing movement, be tensioned by the traction force applied by the traction members.
  • the traction force applied on the door leaf 2 will be lower than if the traction member 4 did not have a resilient element.
  • the door arrangement with a determined tension range and a hard stop being reached when the tension range is reached provides the first resilient element 7 to become stiff in that particular direction, and hence the traction force is applied directly on the door leaf 2.
  • the arrangement thereby provides for the stalling force to be overcome with less force being provided from the driving device 5 than in a door arrangement 1 without a given tension range.
  • a slack may arise in the tension system and resulting in a potential slack of the flexible door leaf.
  • the slack of the door leaf will increase the area exposed to e.g. wind load and thus the stalling force may increase if there is no means for handling such slack.
  • the driving device works for a closing operation of the door arrangement such slack will be compensated by the second resilient element provided in close arrangement with said winding roller 3.
  • the driving device works for an opening operation of the door arrangement such slack will compensated by the first resilient element provided in close arrangement with the lower portion of said door arrangement.
  • the door arrangement is arranged so that the first resilient element 7 is attached to a pulley 14 operatively connected to said closed loop flexible traction member 4.
  • This arrangement provides for the first resilient element 7 to be positioned in substantially the same position in the door arrangement during a closing or opening movement of the flexible door leaf. Hence, the first resilient element 7 will not move along the path of the flexible traction member.
  • the first resilient element 7 can therefore be positioned where it best fulfils the functions of keeping the flexible traction member in a tensioned state, but also becomes inelastic if a certain threshold value is reached.
  • the flexible traction member propagates around three pulleys.
  • the upper value (B) of the tension range allowed for the first resilient element 7 is reached when the door arrangement is in its closed position.
  • the first resilient element 7 will be subject for tension compensating operations in the tension system 6 during a closing and opening movement, even if the door leaf is not stalled in its movement.
  • the flexible traction members will be applying direct traction force on the door leaf in a normal closing or opening movement, which is not desired from an operating viewpoint. If the upper limit of the tension range were to be higher than the tension value when the door is in its closed position, problems will arise with ensuring the full closing of the door leaf.
  • the winding roller 3 is integrally rotatably connected to a second drum on which is wound, in contrary direction to the flexible door leaf 2, the flexible traction member 4, said flexible traction member 4 describing a path from said winding roller 3 via one first pulley 15 at the base of the door opening via a tensioning pulley 14 and a third pulley 16 to said second drum.
  • the second drum is arranged to a driving axis of said driving device 5.
  • each side of the flexible door leaf has a flexible traction member 4 connected thereto and arranged along the longitudinal direction thereof.
  • the flexible traction member 4 is of belt type.
  • a winding roller 103 is connected to a shaft associated rotatably to a driving device forming part of said driving device 5.
  • the flexible door leaf 2 is wound.
  • a flexible traction member describes a path from said winding roller 103 around at least one pulley 115 at the base of the door opening via a tensioning pulley 114 and a third pulley 116 to a second winding roller 127 arranged on the same shaft as the winding roller 103 but preferably to an outer side of the door leaf.
  • the path of the flexible traction member is preferably arranged with an angle during at least one part of the path as can be seen from an other direction.
  • the driving device 5 and hence the winding rollers 103, 127 is able to move along with a forward and backward motion.
  • Fig 3c discloses schematically a third aspect of the driving device of the door arrangement.
  • a winding roller 203 is connected to a shaft associated to a driving device forming part of said driving device 5.
  • the flexible door leaf 2 is wound.
  • a flexible traction member describes a path from said winding roller 203 around at least one tensioned pulley 214 at the base of the door opening to a second winding roller 227 arranged on the same shaft as the winding roller 203 but preferably to an outer side of the door leaf.
  • the path of the flexible traction member is preferably arranged with an angle during at least one part of the path as can be seen from an other direction.
  • Either of the first and second winding rollers 203, 227 has a drum comprising a spring.
  • the outer winding roller 227 comprises a conical drum making it possible to maintain the flexible traction member in a stretched condition during winding operations.
  • a reversible driving device is used as indicated by the arrow.
  • the first resilient element 7 is a spring. Although, many options are possible for accomplishing the first resilient element that will fall within the scope of protection, a spiral spring is the currently preferred option. Suitably, when using a spring as the first resilient element 7, a spring retainer 17 is used to provide a holding effect when a threshold value is reached.
  • a chain provided along the propagation of a spring, preferably a spiral spring is one currently preferred alternative for a spring retainer 17.
  • the tension in the tension system is adjustable by manipulating a screw 19 or similar in order to adjust the distance between the pulley and the spiral spring of the first resilient element. More preferably, said first resilient element 7 is stiffer than said second resilient element 8.
  • the second resilient element 8 is preferably operatively connected to said winding roller 3. In a closing or opening movement of the door leaf, the second resilient element 8 is then operable in handling irregularities in the traction force applied by the flexible traction members.
  • the second resilient element 8 is arranged circumferentially along the longitudinal extension of the axle 10 of the winding roller.
  • the resilient element is held fix to said axle 10 inone end portion by a first engaging element 13.
  • the other end of the second resilient element 8 is connected to a second engaging element 11 which is able to pivot between and within a range defined by a first and second position (C-D).
  • the second engaging element 11 is provided with a shoulder being engagable with a stop 12 arranged inside a drum of the winding roller and the two sides of said stop 12 provides the first and second position (C-D) of the tension range.
  • the axle 10 of the winding roller being spring loaded within a tension range.
  • This arrangement allows for the second resilient element to handle the irregularities in the traction force applied on the door leaf by the flexible traction members. It does also allow the second resilient member, in a situation where the door leaf is stalled in its movement between an open and a closed position, to stop feeding part of the door leaf and thereby prevent slack in the door leaf, i.e. maintain the door leaf in a stretched position. The prevention of slack in the door leaf minimises the surface of the door leaf being exposed to the wind.
  • a closed loop system for a flexible traction member is understood to mean a flexible traction member that has, either mechanically or electrically, an operative connection between the rollers or drums onto which the flexible traction member is wounded or unwounded.
  • the flexible traction member can be a belt, rope, chain or any other member able to fulfil the same operative function.
  • the winding roller is integrally rotatably connected to a second drum on which is wound, in contrary direction to the flexible door leaf, the flexible traction member, said flexible traction member describing a path from said winding roller around at least one guide roller at the base of the door opening via a tensioning roller to said second drum.
  • Each side of the flexible door leaf has a flexible traction member connected thereto and arranged along the longitudinal direction thereof.
  • the flexible traction member is a belt.
  • the flexible traction member is a rope, a wire, a cable.
  • Other flexible traction members of various materials may be used as long as they are suitable for transfer a pulling force.
  • a pulling force is provided to an elongated flexible traction member in the propagating direction of the flexible traction member. This allows for a driving function almost integered in the door leaf which makes the winding of the roller door easy and stable.
  • flexible door leaf should be understood to mean, within the context of this invention, any flat element able to form a closure or a separation and able to roll around an axis or to be folded, such as an awning, a strip of plastic material, etc., intended for closing a bay, forming a separating partition.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
EP05010754A 2005-05-18 2005-05-18 Agencement de porte comportant un système de tension et procédé de fonctionnement d'un tel système Withdrawn EP1724431A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05010754A EP1724431A1 (fr) 2005-05-18 2005-05-18 Agencement de porte comportant un système de tension et procédé de fonctionnement d'un tel système

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05010754A EP1724431A1 (fr) 2005-05-18 2005-05-18 Agencement de porte comportant un système de tension et procédé de fonctionnement d'un tel système

Publications (1)

Publication Number Publication Date
EP1724431A1 true EP1724431A1 (fr) 2006-11-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05010754A Withdrawn EP1724431A1 (fr) 2005-05-18 2005-05-18 Agencement de porte comportant un système de tension et procédé de fonctionnement d'un tel système

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104822892A (zh) * 2012-11-29 2015-08-05 艾富来工程有限公司卢布尔雅那 具有以柔性帘为形式的门扇的卷闸门

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252172A (en) * 1975-10-28 1981-02-24 Etablissements Carpano & Pons Tensioning device for a rolling screen arrangement
DE8206622U1 (de) * 1982-03-10 1982-06-24 Adolf Seuster GmbH, 5880 Lüdenscheid Rolltor
GB2095365A (en) * 1981-03-24 1982-09-29 Rud Ketten Rieger & Dietz Spring buffer
DE3245009A1 (de) * 1982-12-06 1984-06-14 Adolf Seuster GmbH, 5880 Lüdenscheid Rolltor
DE8409707U1 (de) * 1984-03-29 1985-02-21 Schieffer GmbH & Co KG, 4780 Lippstadt Rolltor mit einem flexiblen torblatt
EP1331341A1 (fr) * 2002-01-29 2003-07-30 Barnes Group, Inc. Stabilisateur de hayon arrière
US20030178158A1 (en) * 2001-09-06 2003-09-25 Schulte Peter S. Cable tensioner and shock absorber for a door
EP1510647A1 (fr) * 2003-09-01 2005-03-02 Cardo Door AB Porte roulante

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252172A (en) * 1975-10-28 1981-02-24 Etablissements Carpano & Pons Tensioning device for a rolling screen arrangement
GB2095365A (en) * 1981-03-24 1982-09-29 Rud Ketten Rieger & Dietz Spring buffer
DE8206622U1 (de) * 1982-03-10 1982-06-24 Adolf Seuster GmbH, 5880 Lüdenscheid Rolltor
DE3245009A1 (de) * 1982-12-06 1984-06-14 Adolf Seuster GmbH, 5880 Lüdenscheid Rolltor
DE8409707U1 (de) * 1984-03-29 1985-02-21 Schieffer GmbH & Co KG, 4780 Lippstadt Rolltor mit einem flexiblen torblatt
US20030178158A1 (en) * 2001-09-06 2003-09-25 Schulte Peter S. Cable tensioner and shock absorber for a door
EP1331341A1 (fr) * 2002-01-29 2003-07-30 Barnes Group, Inc. Stabilisateur de hayon arrière
EP1510647A1 (fr) * 2003-09-01 2005-03-02 Cardo Door AB Porte roulante

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104822892A (zh) * 2012-11-29 2015-08-05 艾富来工程有限公司卢布尔雅那 具有以柔性帘为形式的门扇的卷闸门

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