WO2020200938A1 - Système à ressort de torsion pour porte de garage et procédés correspondants - Google Patents

Système à ressort de torsion pour porte de garage et procédés correspondants Download PDF

Info

Publication number
WO2020200938A1
WO2020200938A1 PCT/EP2020/058255 EP2020058255W WO2020200938A1 WO 2020200938 A1 WO2020200938 A1 WO 2020200938A1 EP 2020058255 W EP2020058255 W EP 2020058255W WO 2020200938 A1 WO2020200938 A1 WO 2020200938A1
Authority
WO
WIPO (PCT)
Prior art keywords
torsion spring
plug
shaft
winding
bayonet
Prior art date
Application number
PCT/EP2020/058255
Other languages
English (en)
Inventor
Antonius PETERSE
Marco Krechting
Casper Van Der Bilt
Dennis VAN DEN TOP
Original Assignee
Assa Abloy Entrance Systems 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 Assa Abloy Entrance Systems Ab filed Critical Assa Abloy Entrance Systems Ab
Publication of WO2020200938A1 publication Critical patent/WO2020200938A1/fr

Links

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
    • E05D13/1253—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
    • 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
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/244—Actuation thereof by manual operation
    • 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
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/499—Spring tensioners; Tension sensors
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/52—Toolless
    • E05Y2600/528—Hooking, e.g. using bayonets; Locking
    • 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 garage door and a lift mechanism for a garage door. It specifically relates to a torsion spring system, having a plurality of torsion springs, for a garage door.
  • Garage doors are usually heavy. Therefore, some garage doors are made in several jointed panels that roll up on tracks across the garage ceiling, or into a roll above the doorway.
  • the operating mechanism for these doors is normally spring-loaded or counterbalanced to offset the weight of the door and reduce human or motor effort required to operate the door.
  • torsion spring lift mechanism which consists of two tightly wound up springs on a steel shaft with cable drums at both ends.
  • the entire apparatus mounts on the header wall above the garage door and have three supports: a center bearing plate with a steel or nylon bearing and two end bearing plates at both ends.
  • the springs themselves each consist of a steel wire with a stationary cone at one end and a winding cone at the other end.
  • the stationary cone may be attached to the center bearing plate.
  • Steel counterbalance cables run from the roller brackets at the bottom corners of the door to a notch in the cable drums. When the door is raised, the springs unwind and the stored tension lifts the door by turning the shaft, thus turning the cable drums, wrapping the cables around the grooves on the cable drums. When the door is lowered, the cables unwrap from the drums and the springs are rewound to full tension.
  • a torsion spring lift mechanism may need spring break devices. This is due to the fact that the force applied by a tensioned torsion spring may be large. Normally two spring break devices per door are used. However, the use of spring break devices makes the mechanism more expensive and more complicated. Therefore, there may be a need for a torsion spring lift mechanism with fewer or without spring break devices. Furthermore, at installation, the springs need to be winded up for proper counterbalancing and then secured to the shaft. One winding cone for each of the springs may be used for securing the springs to the shaft. Once the springs are secured to the shaft, it may be difficult or cumbersome to readjust the counterbalance mechanism, especially without proper tools. Thus, there may be a need for a torsion spring lift mechanism, which is easy to readjust after installation. Furthermore, there may be a need for a torsion spring lift mechanism, which may be readjusted after installation without tools.
  • An object of the present disclosure is to provide a torsion spring system for assisting in operating a garage door, which seeks to mitigate, alleviate, or eliminate one or more of the above-identified deficiencies/disadvantages in the prior art and/or other deficiencies/disadvantages singly or in any combination.
  • An object of the present disclosure is to provide a torsion spring system, which can be easily adjusted and/or easily readjusted.
  • An object of the present disclosure is to provide a torsion spring system, for which spring tension can be adjusted with less force.
  • An object of the present disclosure is to provide an alternative way of readjusting the spring tension.
  • An object of the present disclosure is to enable faster readjustment of the spring tension.
  • An object of the present disclosure is to enable easier readjustment of the spring tension.
  • An object of the present disclosure is to enable readjustment by hand of the spring tension.
  • An object of the present disclosure is to enable readjustments of the spring tension without the use of tools or without the use of specially adapted tools.
  • An object of the present disclosure is to enable more precise adjustments or readjustments of the spring tension.
  • An object of the present disclosure is to provide means for attaching torsion springs together.
  • An object of the present disclosure is to provide means for attaching, fixing or locking a winding plug to a shaft and/or means for attaching torsion springs to a shaft.
  • An object of the present disclosure is to provide torsion springs, which will not expand/contract when the tension is adjusted, thereby enabling that the torsion springs can extend from the first support bearing plate to the second support bearing plate at all times.
  • An object of the present disclosure is to provide a torsion spring, having a length, which does not change with tensioning or winding.
  • An object of the present disclosure is to provide a torsion spring, which has the same length during all operating conditions.
  • An object of the present disclosure is to provide a sliding coupling between a shaft and support bearing plates/end brackets.
  • An object of the present disclosure is to provide a torsion spring lift mechanism with fewer or without spring break devices.
  • An object of the present disclosure is to provide a torsion spring lift mechanism with fewer components.
  • An object of the present disclosure is to provide a less complicated torsion spring lift mechanism.
  • An object of the present disclosure is to increase the life expectancy of the torsion spring system.
  • An object of the present disclosure is to enable fixation of torsion springs between two bearing plates.
  • An object of the present disclosure is to enable tightening of torsion springs with the least amount of effort.
  • a torsion spring system for assisting in operating a garage door.
  • the system comprises: an elongated shaft configured to be connected to the garage door; a winding plug, releasably attached to the shaft; first and second torsion springs; the first torsion spring having a first and a second end, the second torsion spring having a first and a second end, wherein the second end of the first torsion spring is connected to the winding plug and the first end of the second torsion spring is connected to the winding plug; first and second support bearing plates, adapted to be mounted to a wall or a ceiling of a garage, for securing the system to the wall or the ceiling; a first bayonet plug connected to the first end of the first torsion spring and releasably connected to the first support bearing plate; and a second bayonet plug connected to the second end of the second torsion spring and releasably connected
  • the first and/or the second bayonet plugs comprises a male part of a bayonet coupling, the male part preferably being provided with two pins, and the first and/or the second support bearing plates comprises a female part of the bayonet coupling, the female part preferably being provided with two holes for receiving the pins.
  • the winding plug comprises a first threaded part, preferably comprising a left-handed thread and second threaded part, preferably comprising a right-handed thread, the first threaded part being configured for engaging with the first torsion spring and the second threaded part being configured for engaging with the second torsion spring.
  • the winding plug comprises a first hole for receiving a first rod and a second hole for receiving a second rod for tightening the first and second torsion springs by moving the winding plug clockwise or anti-clockwise.
  • the winding plug comprises 4 or 6 equal faces.
  • the winding plug is provided with a set mechanism for releasably attaching the winding plug to the shaft, the set mechanism being lockable into positions at every quarter turn of the winding plug.
  • the winding plug is configured for connecting the second end of the first torsion spring to the elongated shaft and connecting the first end of the second torsion spring to the elongated shaft.
  • the winding plug is configured for tensioning the first and second torsion springs to a desired torque by turning the winding plug.
  • the winding plug is configured for tensioning the first and second torsion springs to a desired torque by turning the winding plug an amount of quarter turns.
  • the winding plug is configured for releasably attaching the winding plug to the shaft by means of the set mechanism.
  • the first and/or the second torsion springs are provided with space in-between windings.
  • the length of the space in-between windings is such that the lengths of the first and second torsion springs are independent of if there is no tension or tension up to a maximum allowed tension applied to the first and/or the second torsion springs.
  • first and/or the second support bearing plates are each connected to the shaft via a bearing.
  • the first and/or the second support bearing plates each comprise an opening, wherein each opening is configured to receive a bearing.
  • each bearing is fitted onto the elongated shaft.
  • each bearing surrounding an axial part of the elongated shaft.
  • the first and/or the second support bearing plate is provided with an opening, each opening is configured to receive a bearing, each bearing is fitted onto the shaft, each bearing surrounding an axial part of the shaft.
  • the first torsion spring radially encloses a first part of the shaft and the second torsion spring radially encloses a second part of the shaft.
  • the winding plug radially encloses a third part of the shaft.
  • the torsion spring system further comprises at least one winding drum.
  • the winding drum is mounted onto the shaft.
  • the winding drum is radially enclosing a fourth part of the shaft.
  • the torsion spring system further comprises a lintel profile, and the lintel profile is attachable or attached to a wall or a ceiling.
  • the first and second support bearing plates are configured to be mounted at predetermined positions of the lintel profile.
  • a further solution to the problem outlined above is proposed.
  • a method of installing a torsion spring system for a garage door comprises: assembling a first torsion spring, a winding plug and a second torsion spring on an elongated shaft; the first torsion spring having a first and a second end, the second torsion spring having a first and a second end; connecting the second end of the first torsion spring to the winding plug and connecting the first end of the second torsion spring to the winding plug;
  • first and a second support bearing plate with a first and a second bearing; fitting the shaft through a central hole of the first bearing and through a central hole of the second bearing; optionally attaching a lintel profile to a wall or a ceiling; mounting the first and second support bearing plates at predetermined positions of the lintel profile or directly onto a wall; mounting a winding drum onto the shaft; engaging a male part of a first bayonet coupling, the male part preferably being provided with two pins, of a first bayonet plug connected to the first end of the first torsion spring with a female part of the first bayonet coupling, the female part preferably being provided with two holes for receiving the pins, of the first support bearing plate; engaging a male part of a second bayonet coupling, the male part preferably being provided with two pins, of a second bayonet plug connected to the second end of the second torsion spring, with a female part of the second bayonet coupling, the female part preferably being provided
  • the solution is a method of readjusting the torsion spring system, the method comprising turning one of the bayonet plugs so that the pins of the bayonet plugs are released from the holes of the support bearing plate; turning the bayonet plug a desired amount of half turns; and reattaching the bayonet coupling by reinserting the pins of the bayonet plug into the holes of the support bearing plate.
  • aspects/solutions may additionally have features identical with or corresponding to any of the various features as explained above for any of the other aspects or solutions.
  • Figure 1 discloses a schematic view of a torsion spring system according to an aspect of the invention.
  • Figure 2 is a flowchart illustrating example method steps according to an aspect of the invention.
  • Figure 3 discloses a schematic view of a support bearing plate engageable with a bayonet plug attached to a torsion spring via a bayonet coupling, according to an aspect of the invention.
  • Figure 4 is a flowchart illustrating example method steps according to an aspect of the invention.
  • Operating a garage door may comprise opening and/or closing the garage door.
  • the present invention relates to a garage door and a lift mechanism for a garage door or for assisting in operating a garage door 198, shown in figure 1 .
  • the garage door 198 may be heavy. Therefore, the garage door 198 is made in several jointed panels that roll up on tracks across the garage ceiling, or into a roll above the doorway. However, such garage doors are difficult to slide/roll up by hand.
  • the garage door 198 is therefore provided with/comprises an operating mechanism, which is spring-loaded or counterbalanced to offset the weight of the garage door 198 and reduce human or motor effort required to operate the garage door 198.
  • the operating mechanism for counterbalancing is a torsion spring lift mechanism or a torsion spring system.
  • the present invention relates to a torsion spring system, having a plurality of torsion springs, for a garage door or for assisting in operating a garage door.
  • the present invention also relates to a method of installing a torsion spring system for a garage door or for assisting in operating a garage door.
  • FIG. 1 discloses a schematic view of a torsion spring system 100 for assisting in operating a garage door 198.
  • the torsion spring system 100 comprises an elongated shaft 1 10.
  • the torsion spring system 100 comprises a winding plug 120.
  • the torsion spring system 100 comprises only one winding plug 120.
  • the winding plug 120 is releasably attached to the shaft 1 10.
  • the winding plug 120 is provided with a set mechanism for releasably attaching the winding plug 120 to the shaft 1 10.
  • the set mechanism is lockable or settable into positions at every quarter turn of the winding plug 120.
  • a means for fixing, locking, securing or attaching the winding plug 120 to the shaft 1 10 is provided.
  • the set mechanism may be a single screw, two screws, a plurality of screws, a pin, two pins, a plurality of pins, a hook, two hooks, a plurality of hooks or any other suitable fastener.
  • the torsion spring system 100 comprises a first torsion spring 130 and a second torsion spring 140.
  • the first torsion spring 130 has a first end 132 and a second end 134.
  • the second torsion spring 140 has a first end 142 and a second end 144.
  • the second end 134 of the first torsion spring 130 is connectable or connected to the winding plug 120.
  • the first end 142 of the second torsion spring 140 is connectable or connected to the winding plug 120.
  • the first torsion spring 130 is connected with the second torsion spring 140 via the winding plug 120.
  • the winding plug 120 comprises a first threaded part.
  • the first threaded part preferably comprises a left-handed thread.
  • the winding plug 120 comprises a second threaded part.
  • the second threaded part preferably comprises a right-handed thread.
  • the first threaded part is configured for engaging with the first torsion spring 139.
  • the second threaded part is configured for engaging with the second torsion spring 139.
  • the first torsion spring 139 is wound onto the first threaded part of the winding plug 120 and fixed to the winding plug 120 by means of friction, by bending a part of the first torsion spring 139 or by use of a fixation bolt or a fixation clip.
  • the second torsion spring 139 is wound onto the second threaded part of the winding plug 120 and fixed to the winding plug 120 by means of friction, by bending a part of the second torsion spring 139 or by use of a fixation bolt or a fixation clip.
  • each of the first and second threaded parts are configured for engaging with a correspondingly threaded nut, each of the correspondingly threaded nuts being attached, preferably fixedly attached, to one of the first and the second torsion springs 130, 140.
  • first and the second threaded parts together with the corresponding nuts provide a means for attaching the torsion springs 130, 140 to the shaft 1 10 via the winding plug 120.
  • the elongated shaft 1 10 is configured to be connected to the garage door 198.
  • the elongated shaft 1 10 is configured to transfer forces from the springs to the garage door 198 to assist in opening the garage door 198.
  • the elongated shaft 1 10 is configured to transfer forces from the garage door 198 when it is closed to tension the springs.
  • the winding plug 120 is configured for connecting the second end 134 of the first torsion spring 130 to the winding plug 120 and connecting the first end 142 of the second torsion spring 140 to the winding plug 120. In an aspect, the winding plug 120 is configured for connecting the second end 134 of the first torsion spring 130 to the elongated shaft 1 10 and connecting the first end 142 of the second torsion spring 140 to the elongated shaft 1 10.
  • the winding plug 120 is configured for tensioning the first and second torsion springs 130, 140 to a desired torque by turning the winding plug 120 an amount of quarter turns, i.e. the winding plug 120 is configured for tensioning both of the first and second torsion springs 130, 140 to a desired torque simultaneously, and releasably attaching the winding plug 120 to the shaft 1 10 by means of the set mechanism.
  • the torsion spring system 100 comprises a first support bearing plate 150 and a second support bearing plate 160.
  • the bearing plates 150, 160 are adapted to be mounted to a wall or a ceiling of a garage. When the bearing plates 150, 160 are mounted to the wall or the ceiling, the torsion spring system 100 is secured to the wall/ceiling.
  • a lintel profile 190 is attached to a wall or a ceiling of a garage.
  • the bearing plates 150, 160 are mounted at predetermined positions of the lintel profile 190. At predetermined positions there may be a marking, a slot or a hole.
  • the mounting may be performed utilizing screws, bolts and nuts or any other suitable fastening means.
  • the torsion spring system 100 comprises a first bayonet plug 170.
  • the first bayonet plug 170 is connected, attached, secured or fixed to the first end 132 of the first torsion spring 130.
  • the first bayonet plug 170 is releasably connected to the first support bearing plate 150.
  • the torsion spring system 100 comprises a second bayonet plug 180.
  • the second bayonet plug 180 is connected, attached, secured or fixed to the second end 144 of the second torsion spring 140.
  • the second bayonet plug 180 is releasably connected to the second support bearing plate 160.
  • the torsion spring system 100 is provided with a winding plug 120 and first and second bayonet plugs 170, 180, the torsion spring system 100 can easily be adjusted, the spring tension can be adjusted with less force and/or the spring tension can be readjusted by hand (without use of tools).
  • the torsion spring system is according to an aspect arranged so that the first torsion spring 130 radially encloses a first part or length of the shaft 1 10 and the second torsion spring 140 radially encloses a second part or length of the shaft 1 10.
  • the first and the second torsion springs 130, 140 are elongated and coil shaped with windings around an axis.
  • the first and the second torsion springs 130, 140 each have an axial through hole.
  • the first and second parts of the shaft 1 10 are arranged inside the through holes of the first and second torsion springs 130, 140.
  • the winding plug 120 is provided with a centrally located, axial through hole and radially encloses a third part or length of the shaft 1 10.
  • the third part of the shaft 1 10 is arranged inside the through hole of the winding plug 120.
  • the torsion spring system further comprises one, two or a plurality of winding drums 195, mounted onto the shaft 1 10, and radially enclosing a fourth part of the shaft 1 10.
  • the first and/or the second torsion springs 130, 140 are provided with space in-between windings. By having space in-between the windings, the torsion springs 130, 140 will not expand or contract. The space in-between the windings enables the torsion springs 130, 140 to extend from the first support bearing plate to the second support bearing plate at all times, without expanding or contracting in length, regardless of the tension applied to the torsion springs 130, 140, i.e. the length of the torsion springs 130, 140 is constant, at least within the operating range of tension. Thus, after tensioning/winding of the torsion springs 130, 140, the torsion springs 130, 140 still have the same length.
  • the lengths of the torsion springs 130, 140 do not change, i.e. the lengths of the torsion springs 130, 140 are independent of the tensioning/winding of the torsion springs 130, 140.
  • the lengths of the torsion springs 130, 140 are dictated by the fixation points of the torsion springs 130, 140.
  • the length of the space in-between windings is such that the lengths of the first and second torsion springs 130, 140 are independent of if there is no tension or tension up to a maximum allowed tension applied to the first and/or the second torsion springs 130, 140. Since the torsion springs 130, 140 extend from the first support bearing plate 150 to the second support bearing plate 160 at all times after installation, the torsion springs 130, 140 may be longer and have more windings than a shorter torsion spring, and can therefore be made of a thin wire or a wire with a small diameter or a wire with a smaller diameter than a regular torsion spring.
  • the force applied per turn/revolution (of the torsion spring) by a tensioned torsion spring 130, 140 may be low or lower than the force applied per turn/revolution by a regular torsion spring. As the force applied per turn/revolution may be lower, fewer or no break devices may be needed for the torsion spring system 100.
  • the torsion springs 130, 140 are helical springs or cylindrical coil springs, made of wire of a spring steel.
  • the wire has a round shape and a wire diameter.
  • the wire diameter is anywhere from 0.003 meters, m, to 0.03 m, such as 0.004m, 0.008m, 0.01 m or 0.021 m.
  • the amount of space in-between the windings is sufficient for providing space for any additional winding due to tensioning.
  • the space in-between the windings is in an aspect equal to the wire diameter. In another aspect, the space in-between the windings is half the wire diameter. In another aspect, the space in- between the windings is twice the diameter of the wire. In yet another aspect, the space in-between the windings is four times the diameter of the wire. The space in-between the windings may be anywhere from half the wire diameter to four times the diameter of the wire.
  • FIG. 2 is a flowchart illustrating example method steps according to an aspect of the invention.
  • the steps relate to a method 200 of installing a torsion spring system 100 for a garage door 198.
  • the method 200 comprises installing the torsion spring system 100, i.e. putting all the parts together and up on the wall; tensioning the first and second torsion springs 130, 140 until a desired torque is achieved; and releasably attaching the first and second torsion springs 130, 140 to the shaft 1 10 via the winding plug 120.
  • the method 200 comprises assembling 210 a first torsion spring 130, a winding plug 120 and a second torsion spring 140 on, such as onto and surrounding, an elongated shaft 1 10.
  • the first torsion spring 130 has a first end 132 and a second end 134.
  • the second torsion spring 140 has a first end 142 and a second end 144.
  • the method 200 comprises connecting 214 the second end 134 of the first torsion spring 130 to the winding plug 120 and connecting 216 the first end 142 of the second torsion spring 140 to the winding plug 120.
  • the method 200 optionally comprises providing 220 a first support bearing plate 150 with a first bearing 155 and providing 220 a second support bearing plate 160 with a second bearing 165.
  • the method 200 comprises fitting 230 the shaft 1 10 through a central hole of the first bearing 155 and fitting 230 the shaft 1 10 through a central hole of the second bearing 165.
  • the method 200 optionally comprises attaching 240 a lintel profile 190 to a wall or a ceiling, preferably a wall or a ceiling of a garage and mounting 250 the first and second support bearing plates 150, 160 at predetermined positions of the lintel profile 190.
  • the method 200 comprises mounting the first and second support bearing plates 150, 160 directly onto the wall or ceiling.
  • the method 200 comprises mounting 260 one or two winding drums 195 onto the shaft 1 10.
  • the method 200 comprises engaging 270 a male part of a first bayonet coupling of a first bayonet plug 170 connected to the first end 132 of the first torsion spring 130 with a female part of the first bayonet coupling of the first support bearing plate 150.
  • the male part of the first bayonet coupling is preferably provided with one or two pins
  • the female part of the first bayonet coupling is preferably provided with one or two holes for receiving the pin or pins of the male part of the first bayonet coupling.
  • the male part of the bayonet coupling is part of the first support bearing plate 150 and the female part is part of a first bayonet plug 170 and connected to the first end 132 of the first torsion spring 130.
  • the method 200 comprises engaging 280 a male part of a second bayonet coupling of a second bayonet plug 180 connected to the second end 144 of the second torsion spring 140 with a female part of the second bayonet coupling of the second support bearing plate 160.
  • the male part of the second bayonet coupling is preferably provided with one or two pins
  • the female part of the second bayonet coupling is preferably provided with one or two holes for receiving the pin or pins of the male part of the second bayonet coupling.
  • the male part of the bayonet coupling is part of second support bearing plate 160 and the female part is part of a second bayonet plug 180 and connected to the second end 144 of the second torsion spring 140.
  • the method 200 comprises tensioning the first and second torsion springs 130, 140 by turning the winding plug 120 until a desired torque is achieved, the desired torque resulting in a desired counterbalancing.
  • the method 200 comprises tensioning the first and second torsion springs 130, 140 by turning the winding plug 120 an amount of quarter turns, or any other amount, such as a 1 /3 turn, until a desired torque is achieved.
  • the turning of the winding plug 120 is performed with tools, such as wrenches.
  • the winding plug 120 comprises a plurality of holes for receiving at least one rod. A first rod is inserted into a first hole of the plurality of holes (and held in place), thereby maintaining the tension of the first and second torsion springs 130, 140.
  • a second rod is subsequently inserted into a second hole of the plurality of holes for tightening the first and second torsion springs 130, 140 by moving the winding plug with the second rod clockwise or anti-clockwise.
  • the winding plug 120 comprises 6 equal faces, i.e. the winding plug is hexagonal (cross-sectionally).
  • the tightening of the first and second torsion springs 130, 140 is then performed with regular spanners or wrenches by holding one spanner still and moving the winding plug 120 with the other spanner clockwise or anti-clockwise.
  • the winding plug 120 comprises 4 equal faces, i.e. the winding plug is square (cross-sectionally).
  • the tightening of the first and second torsion springs 130, 140 is then performed with regular spanners or wrenches as described for the hexagonal case above.
  • the method 200 comprises releasably attaching 290 the winding plug 120 to the shaft 1 10 by adjusting a set mechanism of the winding plug 120.
  • Figure 3 illustrates a support bearing plate 150 engageable with a bayonet plug 170, attached to a torsion spring 130, via a bayonet coupling, according to an aspect of the invention.
  • the bayonet plug 170 is attached to the torsion spring 130 by means of friction or by bending the wire of the torsion spring 130.
  • the bayonet plug 170 is attached by means of a rivet, bolt or screw.
  • the torsion spring system 100 comprises an elongated shaft 1 10, a first torsion spring 130, a first support bearing plate 150, a first bearing 155 and a first bayonet plug 170. As can be seen in fig.
  • the elongated shaft 1 10 is provided with a ring-shaped bearing 155, which snugly surrounds the elongated shaft 1 10 for a part, such as an axial part, of the length of the elongated shaft 1 10.
  • the first support bearing plate 150 is provided with an opening 156.
  • the opening 156 is configured, such as shaped and/or sized, to receive a bearing 155, e.g. when the bearing is fitted onto the shaft 1 10 or prior to the bearing being fitted onto the shaft 1 10.
  • the bearing 155 is ring-shaped and configured, such as shaped and/or sized, to fit into the opening 156.
  • the bearing 155 comprises a rim 157.
  • the rim 157 is preferably fixed between the bearing plate 150 and the bayonet plug 170.
  • the first and/or the second support bearing plate 150, 160 are each connected to the shaft 1 10 via a bearing 155, 165.Thus, the bearing 155 provides a coupling of the shaft 1 10 to the support bearing plate 150, wherein the shaft 1 10 is moveable relative the support bearing plate 150 in an axial direction of the shaft 1 10.
  • the first bayonet plug 170 comprises a male part of a bayonet coupling.
  • the male part is provided with one or more pins, preferably a first and a second pin 172, 174.
  • the pins 172, 174 extend perpendicularly from a body 171 of the first bayonet plug 170.
  • the pins 172, 174 may be any suitable shape, such as round, square or star-shaped.
  • the pins 172, 174 may be angled, curved or L-shaped in a longitudinal direction so as to provide part of a locking mechanism.
  • the male part may be provided with hooks or any other suitable objects.
  • the first support bearing plate 150 comprises a wall attachment part 158.
  • the wall attachment part 158 is provided with holes for attaching the first support bearing plate 150 with a wall of a garage or with a lintel 190 attached to a wall of a garage.
  • the holes are suitable for receiving bolts, rivets or screws for attaching the first support bearing plate 150 to the wall or to the lintel 190.
  • the first support bearing plate 150 comprises a female part 159 of the bayonet coupling.
  • the female part 159 is perpendicular to the wall attachment part 158.
  • the female part is provided with one or more holes, preferably a first and a second hole 152, 154, for receiving the one or more pins, and preferably the first and second pins 172, 174, of the male part of the bayonet coupling.
  • the first pin 172 is configured to fit into any of the first and the second holes 152, 154.
  • the second pin 174 is configured to fit into any of the first and the second holes 152, 154.
  • the first torsion spring 130 which is releasably attached to the shaft 1 10 at the second end 134, shown in fig. 1 , can be turned any multiple of half a turn for adjusting or readjusting the tension of the torsion springs 130, 140.
  • the bayonet plug 170 attached to the torsion spring 130 and engageable with the support bearing plate 150 the coupling between the bayonet plug 180 attached to the torsion spring 140 and engageable with the support bearing plate 160 is the same or corresponding.
  • the tension can be adjusted or readjusted in two different ways and at three different positions, namely at the winding plug 120 or at either of the support bearing plates 150, 160.
  • an alternative way of readjusting the spring tension is provided.
  • faster and/or easier readjustment of the spring tension is enabled.
  • readjustment of the spring tension by hand without the use of tools or without the use of specially adapted tools, is enabled.
  • Figure 4 is a flowchart illustrating example method steps according to an aspect of the invention.
  • the steps relate to a method 292 of readjusting 292 the torsion spring system 100.
  • the torsion spring system is described above.
  • the method 200 is performed at installation or any time after installation.
  • the readjusting 292 is performed in order to change the spring tension as needed.
  • the readjusting 292 is performed by turning 294, preferably by hand, one of the bayonet plugs 170, 180, such as clockwise, so that the pin or pins of that bayonet plug 170, 180 are released from the hole or holes of the support bearing plate 150, 160, pulling, preferably by hand, the bayonet plug 170, 180 away from the support bearing plate 150, 160 far enough to be able to turn the bayonet plug 170, 180 without the pin or pins of the bayonet plug 170, 180 penetrating the hole or holes of the support bearing plate 150, 160, turning 296, preferably by hand, the bayonet plug 170, 180 a desired amount of half turns (or revolutions), such as a half turn, one turn, 1 1 ⁇ 2 turn, 2 turns etc., in order to obtain a more suitable counterbalancing weight, gently pushing, preferably by hand, the pin or pins of the bayonet plug 170, 180 back towards the support bearing plate 150, 160, reattaching 298, preferably by hand, the bayonet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

La présente invention concerne un système à ressort de torsion (100) destiné à assister la mise en fonctionnement d'une porte de garage (198). Le système comprend : un arbre allongé (110) configuré pour être relié à la porte de garage (198); une fiche d'enroulement (120), fixée de manière amovible à l'arbre (110); des premier et second ressorts de torsion (130, 140); le premier ressort de torsion (130) ayant une première et une seconde extrémité (132, 134), le second ressort de torsion (140) ayant une première et une seconde extrémité (142, 144), la seconde extrémité (134) du premier ressort de torsion (130) étant reliée à la fiche d'enroulement (120) et la première extrémité (142) du second ressort de torsion (140) étant reliée à la fiche d'enroulement (120); des première et seconde plaques de pallier de support (150, 160), conçues pour être montées sur une paroi ou un plafond d'un garage, afin de fixer le système (100) à la paroi ou au plafond; une première fiche à baïonnette (170) reliée à la première extrémité (132) du premier ressort de torsion (130) et reliée de manière amovible à la première plaque de pallier de support (150); et une seconde fiche à baïonnette (180) reliée à la seconde extrémité (144) du second ressort de torsion (140) et reliée de manière amovible à la seconde plaque de pallier de support (160). L'invention concerne également un procédé correspondant d'installation d'un système à ressort de torsion et un procédé correspondant de réajustage du système à ressort de torsion.
PCT/EP2020/058255 2019-03-29 2020-03-25 Système à ressort de torsion pour porte de garage et procédés correspondants WO2020200938A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1930101-9 2019-03-29
SE1930101 2019-03-29

Publications (1)

Publication Number Publication Date
WO2020200938A1 true WO2020200938A1 (fr) 2020-10-08

Family

ID=70154369

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/058255 WO2020200938A1 (fr) 2019-03-29 2020-03-25 Système à ressort de torsion pour porte de garage et procédés correspondants

Country Status (1)

Country Link
WO (1) WO2020200938A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4882806A (en) * 1988-07-11 1989-11-28 Davis Thomas J Counterbalancing torsion spring mechanism for devices which move up and down and method of setting the torsion springs thereof
EP0765425A1 (fr) * 1994-06-16 1997-04-02 Clopay Building Products Company, Inc. Mecanisme de contrepoids pour porte basculante
US20140027072A1 (en) * 2012-07-25 2014-01-30 Arrow Tru-Line, Inc. Spring winding device for use with overhead doors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4882806A (en) * 1988-07-11 1989-11-28 Davis Thomas J Counterbalancing torsion spring mechanism for devices which move up and down and method of setting the torsion springs thereof
EP0765425A1 (fr) * 1994-06-16 1997-04-02 Clopay Building Products Company, Inc. Mecanisme de contrepoids pour porte basculante
US20140027072A1 (en) * 2012-07-25 2014-01-30 Arrow Tru-Line, Inc. Spring winding device for use with overhead doors

Similar Documents

Publication Publication Date Title
US5239777A (en) Overhead door pre-loaded and pre-assembled torsion spring counterbalance assembly
US6408925B1 (en) Counterbalancing apparatus for roll-up door
EP1485564B1 (fr) Ensemble d'enroulement pour systeme d'equilibrage de porte
US4882806A (en) Counterbalancing torsion spring mechanism for devices which move up and down and method of setting the torsion springs thereof
US4817927A (en) Coil torsion spring mounting cones with groove break and method of mounting
JPH07508809A (ja) 組立式ドア用の，コンパクトな均衡化システム
US20140130989A1 (en) Window dressing control device
EP1764472B1 (fr) Ajustage de tension ressort
US6508461B1 (en) Method and apparatus for spring tensioning
WO2020200938A1 (fr) Système à ressort de torsion pour porte de garage et procédés correspondants
US11306793B2 (en) Torque adjustment mechanism
US6694673B2 (en) Eccentrically mountable plug for counterbalancing systems of garage doors and the like
US20030115928A1 (en) Device for bending an extremity of a torsional spring
US6988527B2 (en) Plug for counterbalancing mechanism, door assembly including the same and method of installing associated thereto
US9206634B1 (en) Counterbalance system for vertical acting doors
US10357872B1 (en) Winding cone adaptor
US20070084012A1 (en) Noise-reducing plug, and door assembly including the same
US11441345B2 (en) System for adjusting the counterbalance of an overhead door
CA2897206C (fr) Dispositif d'enroulement a rochet pour mecanisme de contrepoids
GB2278093A (en) Tensioner for torsion spring
AU2021373059A1 (en) A winding device
US20150075336A1 (en) Power Tool To Spring Torsioner Converter
GB2369857A (en) Tension adjuster for torsion spring counterbalancing assembly
EP1764473A1 (fr) Tension ressort
CA2454939A1 (fr) Accessoire de porte avec moyens de maintien pour mecanisme d'equilibrage, porte ainsi equipee et methode d'installation

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20716405

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20716405

Country of ref document: EP

Kind code of ref document: A1