WO2006067440A2 - Systeme de couverture - Google Patents

Systeme de couverture Download PDF

Info

Publication number
WO2006067440A2
WO2006067440A2 PCT/GB2005/004973 GB2005004973W WO2006067440A2 WO 2006067440 A2 WO2006067440 A2 WO 2006067440A2 GB 2005004973 W GB2005004973 W GB 2005004973W WO 2006067440 A2 WO2006067440 A2 WO 2006067440A2
Authority
WO
WIPO (PCT)
Prior art keywords
screen
rollers
tension
leading portion
roller
Prior art date
Application number
PCT/GB2005/004973
Other languages
English (en)
Other versions
WO2006067440A3 (fr
Inventor
Daniel Cutler
Original Assignee
Daniel Cutler
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
Priority claimed from GB0427994A external-priority patent/GB2421520A/en
Priority to EP05821452A priority Critical patent/EP1834061A2/fr
Priority to GB0714331A priority patent/GB2437455A/en
Priority to CA2593960A priority patent/CA2593960C/fr
Priority to CN2005800440636A priority patent/CN101091036B/zh
Priority to JP2007546200A priority patent/JP2008524475A/ja
Priority to AU2005317864A priority patent/AU2005317864B2/en
Priority to MX2007007170A priority patent/MX2007007170A/es
Application filed by Daniel Cutler filed Critical Daniel Cutler
Priority to BRPI0519397-4A priority patent/BRPI0519397A2/pt
Priority to US11/721,354 priority patent/US8051866B2/en
Priority to KR1020077016614A priority patent/KR101281774B1/ko
Publication of WO2006067440A2 publication Critical patent/WO2006067440A2/fr
Publication of WO2006067440A3 publication Critical patent/WO2006067440A3/fr
Priority to IL183707A priority patent/IL183707A0/en
Priority to US13/241,819 priority patent/US20120260960A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
    • A01G13/0206—Canopies, i.e. devices providing a roof above the plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/22—Shades or blinds for greenhouses, or the like
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/22—Shades or blinds for greenhouses, or the like
    • A01G9/227—Shades or blinds for greenhouses, or the like rolled up during non-use
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/12—Removable protective covers for courts, rinks, or game pitches or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/02—Suspension of the load; Guiding means, e.g. wheels; Attaching traction cables
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0607—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with guiding-sections for supporting the movable end of the blind
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0655—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind acting on the movable end, e.g. front bar
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00—Tents or canopies, in general
    • E04H15/30—Tents or canopies, in general convertible, e.g. from one type tent to another type tent, from tent to canopy or from tent cover into diverse articles
    • 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
    • E06B9/58—Guiding devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0666—Accessories
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0666—Accessories
    • E04F10/0681—Support posts for the movable end of the blind
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0692—Front bars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor

Definitions

  • the present invention concerns a covering system More specifically, the present invention relates to a system such as a canopy or an awning for providing sun protection, rain protection or the like
  • US 5924465 is an example of such an awning system for a vehicle. It comprises an awning rolled on a tube, arms extending from the side of the vehicle to support each side of the awning, a bracket connected between a side arm and the base of the vehicle to support the side arm, and a post resting on the ground to support a side arm
  • the awning can be unrolled and the various support members put in place, and then retracted and dismantled as necessary
  • US 6494246 also describes a retractable awning, that may be attached to a vehicle or building
  • the awning is unrolled from a roller tube
  • One end is fixed to a structure (vehicle or building) and the far end connected to the roller tube is supported by brackets extending at an angle between the roller tube and a lower point on the structure
  • brackets extending at an angle between the roller tube and a lower point on the structure
  • a number of further retractable supports are provided underneath the awning to support the awning and are attached at one end to the structure
  • US 6557612 discloses a particular kind of articulated arm for supporting an awning, that can be extended and folded as the awning is extended and retracted
  • a covering apparatus for covering an outdoor area comprising a screen that can be operated between a retracted and an extended configuration, the screen having a leading portion and a trailing portion, the trailing portion being connected to a first support, the apparatus further comprising a plurality of longitudinal flexible elements extending from the first support to respective second supports, and the leading portion of the screen being supported by the longitudinal flexible elements as the screen is operated from the retracted to the extended configuration, wherein the leading portion of the screen is moveably mounted to the longitudinal flexible elements such that the leading portion moves with respect to the longitudinal flexible elements during operation between retracted and extended positions, and wherein at least one clamping system is provided on the leading portion of the screen for releasably clamping the leading portion to at least one of the longitudinal flexible elements
  • the first support will often be the side of a building or vehicle, but it may be free-standing and may comprise a plurality of elements such as poles It may also be the roof of a bui lding or a stadium
  • the longitudinal flexible elements are held in tension
  • the longitudinal flexible elements may be made from strong tensile elements such as a wire or metal (e g steel) rope It can be seen that these elements can directly support the leading portion of the screen, whereas in FR2559527 thin cables merely hold it in tension without providing any direct vertical support
  • the present apparatus is not limited by the tensile strength of the screen itself, as in the prior art Therefore, the screen of the present invention can be made much larger than is possible in the prior art for a given strength of screen material, or alternatively a lower strength screen material can be employed for a given size of screen
  • the support provided by the present invention prevents sagging of even a large screen, which could not be achieved by the tensile method of FR2559527
  • the length of screen which is not deployed is stored at one end of the apparatus More preferably it is stored , e g rolled up, in a housing which is separate from the longitudinal flexible elements so that the longitudinal flexible elements do not carry any more weight than is necessary
  • An advantage of this invention is that there is no need for any supporting framework around the screen
  • the only support structures required are the first support and the second supports
  • a covering apparatus for covering an outdoor area comprising a screen that can be operated between a retracted and an extended configuration, the screen having a leading portion and a trailing portion, the trailing portion being connected to a first support, the apparatus further comprising a plurality of longitudinal elements extending from the first support to respective second supports, wherein the leading portion of the screen is supported by the longitudinal elements as the screen is operated from the retracted to the extended configuration, wherein the leading portion of the screen is moveably mounted to the longitudinal elements such that the leading portion moves with respect to and is supported by the longitudinal elements during operation between retracted and extended positions, and wherein the longitudinal elements each comprise a wire under tension
  • the tension in the wires will need to be increased in order to prevent them from sagging too much
  • Tension in the wires is only required when the screen is deployed and therefore when the screen is retracted, the tension in the wires may be lessened in order to prolong their life Therefore, preferably the tension in the longitudinal elements can be varied
  • each longitudinal element In order to avoid sag of the longitudinal elements over a wide span, it is possible to construct each longitudinal element from a wire threaded through a series of tubes, stretched to provide tension and clamped at both ends
  • the tubes in such a longitudinal element provide extra rigidity and allow the longitudinal element to span a greater distance with reduced sag
  • tension in the wire is provided by creating compression in the tubes Therefore tension need not be provided by the first or second supports and there may not be any need for additional guy ropes
  • Such a system is also not limited to the tension which can be supported by existing structures such as the wall or roof of a building
  • the wire is spaced from the inside of the tubes so that the wire cannot move around laterally within the tubes
  • the tubes may have an internal diameter just large enough to accommodate the wire
  • the external diameter of the tubes can be chosen according to the required strength of the longitudinal elements
  • the tension in the wire can be adjusted as needed
  • the tension in the wire can be increased when the covering system is to be deployed and reduced once the system is retracted .
  • the tubes can be provided with a rough surface for providing friction
  • the tubes can be coated with rubber
  • the tubes can be provided with teeth and the screen can be mounted on toothed rollers which engage with the teeth and drive the screen along the longitudinal elements. In this way the screen can also be extended at an angle upwards from the horizontal.
  • Second supports can be provided in a plurality of directions and a corresponding plurality of screens can be provided to create a multidirectional covering.
  • two screens may be provided back to back on either side of a free standing first support and extending in opposite directions therefrom.
  • the leading portion is arranged to slide relative to the tensile elements.
  • a covering apparatus comprising a screen that can be operated between a retracted and an extended configuration, the screen having a leading portion and a trailing portion, the trailing portion being connected to a first support, wherein the apparatus further comprises a plurality of longitudinal flexible elements extending from the first support to respective second supports, and wherein the leading portion of the screen is moveably mounted to the longitudinal flexible elements such that the leading portion moves with respect to and is supported by the longitudinal flexible elements during operation between retracted and extended positions, and the leading portion is supported by the longitudinal flexible elements when the screen is deployed in at least a partially extended position.
  • a covering apparatus comprising a screen that can be operated between a retracted and an extended configuration, the screen having a leading portion and a trailing portion, the trailing portion being connected to a first support, the apparatus further comprising a plurality of longitudinal elements extending from the first support to respective second supports, wherein the leading portion of the screen is supported by the longitudinal elements as the screen is operated from the retracted to the extended configuration.
  • the apparatus further comprises a rigid transverse element fixed to the leading portion of the screen.
  • a rigid transverse element fixed to the leading portion of the screen. This prevents the leading edge from sagging and reduces lateral forces on the longitudinal flexible elements.
  • Some known covering systems provide numerous thin wires along which a lightweight screen can be pulled These systems typically have the screen suspended from the wires by passing the wires through reinforced holes in the screen fabric or by suspending it from simple loops or hooks These methods are adequate for small and light weight systems where each wire does not need to carry much weight and is relatively thin
  • a much thicker heavy duty wire or cable is required to support the weight of the screen With the thicker cable and heavier screen, reinforced holes, hooks or loops provide too much friction and hinder the deployment or retraction of the screen
  • the apparatus further comprises a roller unit, which may be in the form of a roller casing, disposed on each longitudinal flexible element, the roller unit (or casing) comprising at least one and more preferably two or more rollers which allow the roller casing to roll along the longitudinal flexible element
  • the roller casings may be individually mounted and independently moveable along their respective longitudinal flexible elements
  • the roller casings are attached to the leading portion of the screen via the transverse element, to moveably mount the leading portion of the screen to the longitudinal flexible elements
  • the roller casings at either end of the transverse element then move along their respective longitudinal flexible elements together
  • rollers instead of holes, hooks or loops reduces the friction between the screen and the longitudinal flexible elements This is important when stronger, larger diameter cables are needed to support larger screens Further, if the rollers are moto ⁇ sed, the screen can be drawn out along the longitudinal flexible elements As discussed in more detail below, the roller casings are preferably provided with rollers which sandwich the longitudinal felxible elements between them and are biased so as to grip the longitudinal flexible elements This further increases the friction between the rollers and the longitudinal flexible elements and allows a longer, heavier screen to be deployed
  • the clamping mechanism of the invention may be independent of the rollers
  • the roller casing further comprises said clamping system to clamp the roller casing to the longitudinal flexible element when it is placed in a desired position.
  • retracting the screen to take up the slack provides the tension to keep the screen taut and level.
  • the tension is only limited by the power of the retraction mechanism, the strength of the clamp, and the strength of the screen material.
  • Prior art systems have only provided tension via springs, where recoil strength, and hence tension, varies depending on the extent to which the spring is pulled. Since pull on the spring varies depending upon the extent to which the cover is deployed, constant tension cannot be provided at all times and at all deployment lengths. Furthermore, the recoil strength of a spring becomes reduced over time.
  • the clamping system may comprise a plate which is pushed into a clamping position by a spring.
  • the roller casing has two upper rollers which support the roller casing on the longitudinal flexible element and a lower roller located beneath the longitudinal flexible element.
  • the lower roller may be moved between a non-clamping position in which it allows the roller casing to roll smoothly along the longitudinal flexible element, and a clamping position in which the lower roller is biased or urged so that it provdies pressure towards the two upper rollers so as to clamp the longitudinal flexible element between the upper and lower rollers.
  • a means for biasing or urging the lower roller may be for example a spring, a screw, a camming device, a pneumatic or a hydraulic arrangement.
  • the roller casing has two upper rollers which support the roller casing on the longitudinal flexible element and two oppositely arranged side rollers for clamping the longitudinal flexible element.
  • the side rollers may be biased or urged from a non -clamping position into a clamping position by springs, screws, camming devices, pneumatic or hydraulic arrangements.
  • the side rollers are arranged so as to run freely when the roller case is pulled in the direction of extending the screen, but clamp the longitudinal flexible element when the roller case is pulled in the direction of retracting the screen.
  • a release mechanism is preferably also provided which releases the side rollers from their clamped position so that the screen may be retracted
  • Such a clamping arrangement may comprise two oppositely arranged side rollers each rotatable around a substantially vertical axle These axles are each slidably mounted in slots, the slots being closer together at the end nearest the leading edge than they are at the end furthest from the leading edge In this way, when the screen is extended, the axles of the side rollers move further apart and the rollers run freely, but when the screen is retracted, the axles of the side rollers move closer together thus clamping the longitudinal flexible element between the side rollers
  • a clamping arrangement for a roller system comprising at least two first rollers on one side of a longitudinal element and at least one second roller on the other side of a longitudinal element, wherein the second roller may be biased or urged towards the first rollers so as to clamp the longitudinal element between the first and second rollers
  • a clamping system for a roller casing comprising two upper rollers which support the roller casing on the longitudinal element and a lower roller located beneath the longitudinal element, the lower roller being movable between a non-clamping position in which it allows the roller casing to roll smoothly along the longitudinal element, and a clamping position in which the lower roller is biased or urged towards the two upper rollers so as to clamp the longitudinal element between the upper and lower rollers
  • a means for biasing or urging the lower roller may be for example a spring, a screw, a camming device, a pneumatic or a hydraulic arrangement
  • a clamping system for a roller casing comprising two upper rollers which support the roller casing on the longitudinal element and two oppositely arranged side rollers which can be biased or urged from a non -clamping position into a clamping position in which they clamp the longitudinal element
  • the side rollers may be biased or urged from the non-clamping position into the clamping position by springs, screws, camming devices, pneumatic or hydraulic arrangements
  • the side rollers are arranged so as to run freely when the roller case is pulled in the direction of extending the screen, but clamp the longitudinal flexible element when the roller case is pulled in the direction of retracting the screen
  • a release mechanism is preferably also provided which releases the side rollers from their clamped position so that the screen may be retracted
  • a covering apparatus comprising a screen that can be operated between a retracted and an extended configuration, the screen having a leading portion and a trailing portion, the trailing portion being connected to a first support, the apparatus further comprising a plurality of longitudinal flexible elements extending from the first support to respective second supports, wherein the leading portion of the screen is supported by the longitudinal flexible elements as the screen is operated from the retracted to the extended configuration and wherein the apparatus further comprises a roller unit disposed on each longitudinal flexible element, each roller unit comprising at least two rollers which allow the roller unit to move along the respective longitudinal flexible element and a clamping system to clamp the roller unit to the respective longitudinal flexible element in a desired position
  • cover systems can be activated electrically as well as manually
  • the system of the invention can also be moto ⁇ sed so that the screen can be extended and retracted electrically
  • the screen roll as well as the wheels and clamps in the roller cases can all be moto ⁇ sed
  • a method of transferring electrical power along a screen of a covering apparatus wherein at least one power transferring cable transfers the power diagonally along the screen from a trailing portion of the screen to a leading portion of the screen
  • the invention provides a method of reinforcing a screen of a covering apparatus by attaching reinforcing members to the screen which run diagonally across the screen from a trailing portion of the screen to a leading portion of the screen
  • the reinforcing members may be wires or cables or straps
  • the apparatus may be further provided with an automatic retraction system
  • a particularly preferred embodiment of the invention further comprises an automatic retraction system comprising a tension sensor which senses the tension in the screen and retracts the screen when a threshold tension is exceeded
  • the tension sensor senses the tension in the screen directly
  • the tension sensor senses the tension in at least one of the longitudinal flexible elements
  • the tension sensor may be located in the roller casing or it may be located on one of the supports If it is located in the roller casing it may be combined with the clamping arrangement by sensing the pressure on the clamping element of the clamping arrangement
  • an automatic retraction system for a covering apparatus, wherein a tension sensor senses the tension in a screen of the covering apparatus and causes retraction of the screen if the sensed tension exceeds a predetermined threshold value
  • the tension sensor may directly sense the tension in the screen or it may determine the tension in the screen by sensing the tension in a support of the screen In this latter arrangement, the tension sensor is preferably calibrated each time the screen is deployed or retracted
  • a preferred embodiment of the covering system of the invention provides a plurality of rollers around which the screen is wrapped when retracted
  • two storage rollers are provided which are driven synchronously so as to wind the screen around them in such a way as to provide a generally oval cross-section
  • the rollers may be driven by a third driving roller, smaller in diameter than the storage rollers and located between them in driving contact with both rollers
  • the storage rollers may be synchronously driven by a drive belt or chain
  • three rollers are provided in a triangular arrangement and are driven synchronously so as to retract the screen around the three rollers in such a way as to provide a generally triangular cross-section
  • the covering system may be made more space efficient
  • Such a storage system is also believed to be independently inventive
  • a storage system for a covering apparatus comprising a plurality of rollers around which the sheet is stored and which are arranged so as to determine a cross-sectional shape of the stored sheet
  • rollers can be arranged so as to make the best use of available space and the sheet can be stored with high spatial efficiency
  • a flexible base member may be provided around the storage rollers and driven by the storage rollers
  • the sheet is attached to the flexible base member
  • the sheet may be wound around the storage rollers and attached to itself so as to form a closed loop around the rollers at the trailing end thereof
  • the flexible base member or the loop of fabric formed at the trailing end of the sheet have sufficient factional engagement with the storage rollers that when at least one of the storage rollers is driven, the sheet or the base member is also driven and the sheet is retracted around the storage rollers
  • the friction between the storage rollers and the sheet or base member is increased by providing a spring or springs which bias the storage rollers apart Friction can also be increased by giving the rollers a rough or sticky surface, e g by providing rubber strips on the rollers
  • Figure 1 shows a first embodiment of the covering system according to the invention
  • Figure 2 shows a variant of the first embodiment of figure 1
  • Figure 3 shows another variant of the first embodiment of figure 1
  • Figure 4 shows an example of a roller casing for use with the embodiments of Figures 1 and 2
  • Figure 5 shows the roller casing of figure 4 in a clamped state
  • Figure 6 shows an embodiment of a transversal element
  • FIGS 7 A and 7B show another embodiment of the covering system according to the invention
  • Figure 8 shows a further embodiment of the covering system
  • Figures 9 A to 9H show four alternative roller casings in the undamped state and in the clamped sate
  • Figures 1OA to 1OC show an end view, a side view and a top view of another alternative roller casing in the undamped state
  • Figures 1 IA to 1 1 C show the roller casing of figures 1OA to 1OC in the clamped state
  • Figure 12 shows an embodiment of a tension sensor according to the invention when the screen is in a state of low tension
  • Figure 13 shows the tension sensor of figure 12 when the screen is in a state of high tension
  • Figure 14 shows an embodiment of a covering system of the invention including a tension sensor as shown in figures 12 and 13
  • Figure 15 is an enlarged view of figure 14
  • Figure 16 shows another embodiment of a tension sensor according to the invention when the cable is in a state of low tension
  • Figure 17 shows the tension sensor of figure 16 when the cable is in a state of high tension
  • Figure 18 shows an embodiment of a covering system of the invention with a tension sensor as shown in figures 16 and 17
  • Figure 19 shows an enlarged view of figure 18
  • Figure 20 shows an alternative covering system employing a tension sensor according to the invention
  • Figure 21 shows an embodiment of a storage system according to the invention.
  • Figures 22 and 23 show alternative ways of operating the storage system of figure 21.
  • Figures 24 and 25 show alternative power cable arrangements for transferring electric power along the screen of a covering system according to the invention.
  • FIG 1 a first embodiment of the covering system is represented.
  • the system comprises a sun or rain screen 1 with a leading edge 2 which is displaced when deploying or retracting the screen 1, a trailing edge 4 which is inside a screen housing case 3 fixed for example on a cylindrical tube that can be rotated when deploying and retracting the screen, in a manner known in the art of covering systems.
  • the system further comprises two support poles 5, 6 to which the case 3 is fixed, two poles 9, 10 in the direction of which the screen 1 is deployed and two longitudinal flexible elements in the shape of wires 1 1 , 12 attached at both ends to the poles 5, 6, 9 and 10, along which the screen 1 is deployed.
  • the screen 1 is deployed over the wires 1 1, 12.
  • the screen 1 is attached to a transverse element in the shape of a rod 8 which is linked to the wires 11, 12 by roller cases 13, 14.
  • the roller cases 13, 14 rest on the wires 1 1 , 12 and ride back and forth when moving the screen 1 for deployment/retraction.
  • roller cases 13, 14 can be clamped to wires 1 1, 12 at any point and then, once clamped, drawing back the screen 1 creates tension in the screen 1.
  • FIG 2 a variant of the embodiment of figure 1 is represented.
  • identical elements are referenced with the same numbers as in the first embodiment and reference is made to the above description.
  • the difference between the embodiment of figure 1 and the variant of figure 2 resides in the replacement of the support poles 5, 6 by a wall 7. Accordingly, it is possible to mount the system of the invention on an existing structure, for example the wall of a house. It is also possible to mount the system of the invention to the roof of a house or to bridge a gap such as the open top of a stadium.
  • the case 3 is attached to the wall 7 as are the wires 11, 12 and the screen 1 is deployed from the wall 7 in the direction of the poles 9, 10 by moving the roller cases 13, 14.
  • the poles 9, 10 can also be envisaged to replace the poles 9, 10 by an equivalent structure, for example a wall.
  • the screen 1 is not deployed over the wires 11, 12 but is suspended underneath said wires 11, 12 as shown. All elements remain similar to the first embodiment, hence identical references, only the roller cases 15, 16 are different. Again, they are able to be clamped to the wires 11, 12 to allow the creation of tension in the screen 1 by drawing the screen 1 backwards once the roller cases are clamped.
  • roller casing 14 (or 13 since they are identical) is attached to the screen 1 through rod 8, said rod being linked to the screen for example by folding over and stitching the end of the screen and running the rod through the pocket that is created. It comprises two rollers 17, 17' mounted on respective axes 18, 18' to allow their rotation when being moved back and forth on the wires 11, 12. Underneath the wire 12, 1 1, there is a clamping mechanism, for example made of a fixed clamping non-rotating wheel 19 mounted on and displaced by an axis 20, and pressed by a spring 21.
  • the non-rotating wheel 19 By displacement of the axis 20 away from the wire, the non-rotating wheel 19 is displaced away from the wire 12, 1 1 and the roller case 14, 13 can be moved along the wire 12, 1 1.
  • the axis 20 is freed and the spring 21 pushes the non-rotating wheel 19 against the wire for clamping, as shown in figure 5.
  • a blocking system for the axis 20 is provided in order to maintain the system in an undamped state which facilitates the movement of the roller casings along the wire 1 1 , 12.
  • Figures 9A, 9C, 9E and 9G show four alternative roller cases 13, 14 in the undamped state.
  • Figures 9B, 9D, 9F and 9H show the clamped state of the respective roller cases 13, 14.
  • Each of these roller cases 13, 14 has two upper rollers 17, 17' and a single lower roller 19', all being rotatable.
  • the lower roller 19' provides enough pressure from below that the wire 1 1 , 12 is gripped between the upper and lower rollers 17, 17', 19' and when the rollers rotate, the roller cases 13, 14 and the screen 1 attached to the roller cases are pulled along the wire 11, 12
  • the pressure from the lower roller 19' is increased to an extent whereby the upper and lower rollers 17, 17', 19' cannot move over the wire 1 1, 12, thereby clamping the screen 1 in position
  • Figures 9 A and 9B show an embodiment in which the lower roller 19' is actuated pneumatically or hydraulically
  • Figures 9C and 9D show an embodiment in which the lower roller 19' is actuated by a spring
  • Figures 9E and 9F show an embodiment in which the lower roller 19' is actuated by a camming device
  • Figures 9G and 9H show an embodiment in which the lower roller is actuated by a screw
  • Figures 1OA, 1OB and 1OC respectively show an end view, a side view and a top view of another alternative roller case 22 in the undamped state
  • Figures 1 IA, 1 IB and 1 1C show the corresponding clamped state
  • the roller case of figures 10 and 1 1 has two upper rollers 17, 17' and two side rollers 23, 23', the side rollers 23, 23' being capable of clamping the wire 11, 12
  • the side rollers 23, 23' rotate around substantially vertical axles 24, 24'
  • These axles 24, 24' are each slidably mounted in slots 25, 25' so that the axles 24, 24' can slide back and forth within the roller case 22
  • the slots 25, 25' are arranged on opposite sides of the wire 1 1, 12 so that they are closer together at the end nearest the leading edge 2 of the screen 1 than they are at the end furthest from the leading edge 2 of the screen 1
  • a wire 201 is provided over which a number of solid tubes 202 are placed to cover the necessary span of the covering system
  • At each end of the wire 201 there is a first clamp 203 attached to end tubes 204 and a second clamp 205 attached to the wire 201
  • Between clamps 205 and 203 there is a centre piece 206 used to increase tension in the wire 201 by pushing clamps 205, 206 away from each other
  • the centre piece 206 has a screw head at both ends Accordingly, turning the centre piece in one direction allows the clamps to be pushed apart hence building tension in the wire, whereas turning the piece 206 in the opposite direction will decrease the tension by moving the clamps closer to each other
  • Another means of providing tension in this case could be by ratchet
  • the screen can be attached to the tubes 202 by folding over and stitching the end of the
  • FIG. 7A and 7B a further embodiment of the covering system is shown This embodiment, which has the same working principle as the other embodiments described above, has a screen 301 attached to a casing 303 mounted on a wall 307
  • the screen 301 is deployed over wires 31 1, 312 through roller casings 313, 314
  • the wires are fixed to wall 307 and poles 309, 310, as described above in relation to the other embodiments
  • the system can also be converted into a closed "tent like" fixture (see figure 7B)
  • FIG 8 a further embodiment of the invention is schematically shown to represent the principle of this embodiment
  • this embodiment which uses the principle of the invention
  • a screen housing case from which the screen 401 is unrolled or in which the screen is rolled one uses a screen 401 that is folded in segments and each segment is unfolded when deploying the screen 401
  • One end (the trailing edge 404) of the screen 401 is fixed to an initial structure, for example a wall 407, and the leading edge 402 can be pulled along the wires 411, 412 until the desired position is attained, each segment 405 being deployed on separate rollers 406
  • the leading edge is fixed to a transversal element and to roller casings that can be clamped with respect to the wires as described above in relation to previous embodiments and not specifically represented in figure 8
  • the rollers are held back by appropriate holding means against the initial structure 407 and released one by one
  • the system of the invention can be used for many applications, for example for covering a part of a garden large or small, a swimming pool or a tennis court
  • the system has many advantages, such as simplicity, lightness, and being able to span large areas
  • steel wires are used as the longitudinal flexible elements they can withstand a heavy weight (thousands of kg) and the cover can be quickly and easily drawn and retracted
  • the entire apparatus can be easily assembled, dismantled and stored away when not in use, in contrast with prior art metal frames that remain erect when not in use due to the time and work involved in dismantling them
  • the screen rolls and curtains can be activated electrically as well as manually and, as is known in the art of electric moto ⁇ sation, the rollers and clamps and wheels can also be activated electrically as well as manually
  • Figures 24 and 25 show an embodiment of the invention in which the screen
  • rollers 17, 17' in the roller cases 13, 14 are electrically powered so as to extend or retract the screen 1
  • the clamping mechanism can also be electrically actuated
  • an electrical wire 37 runs diagonally from one corner at the trailing edge 4 of the screen 1 to the diagonally opposite corner at the leading edge 2 of the screen 1
  • the wire 37 is distributed evenly across the width of the screen roll and the diameter of the roll is uniform and minimised
  • power can be transmitted from an external power supply, through the wire 37 to the roller case 13 Power can then be transferred to the other roller case 14 by running another wire (not shown) along the transverse rod 8 at the leading portion 2 of the screen 1
  • wires 37, 38, 38' whether carrying electricity or not, also serve to reinforce the material of larger screens
  • straps may be used instead of wires
  • Figures 12 and 13 show a tension sensor 26 for an automatic retraction system according to the invention
  • Figure 12 shows the tension sensor 26 when the screen 1 is in a state of low tension
  • figure 13 shows the tension sensor 26 when the screen 1 is in a state of high tension
  • the tension sensor 26 shown in figures 12 and 13 has two upper rollers 27, 27' located above the screen 1 and a single lower roller 28 located below the screen 1
  • the lower roller 28 is mounted on a pressure sensor 29 so that when the screen 1 is under no tension or under low tension, the lower roller 28 biases the screen 1 upwardly between the two upper rollers 27, 27'
  • pressure sensor 29 senses a greater pressure If the pressure sensor 29 senses a pressure greater than a predetermined threshold value, a warning may be generated, or if the screen is moto ⁇ sed, the screen may be automatically retracted
  • Figure 14 shows the tension sensor 26 of figures 12 and 13 mounted on a wall 7 which forms the first support of a covering apparatus according to the invention
  • Figure 15 is an enlarged view of figure 14
  • FIGs 16 and 17 show another embodiment of a tension sensor 26 according to the invention
  • the tension sensor 26 senses the tension in a wire 11, 12 of the covering system rather than sensing the tension in the screen 1 (as in figures 12 and 13)
  • the tension in the screen 1 is directly transmitted to the wires 11, 12
  • the pressure sensor 29 is calibrated If the pressure sensor 29 senses a pressure greater than a predetermined threshold, it issues a warning or, if the screen 1 is moto ⁇ sed, causes the screen 1 to be retracted
  • the tension sensor 26 can easily be combined with the roller case 13, 14, 15, 16, 22 and clamping arrangement of the covering system described above
  • Figure 18 shows the tension sensor 26 of figures 16 and 17 mounted on a wall 7 which forms the first support of a covering apparatus according to the invention
  • Figure 19 is an enlarged view of figure 18
  • FIGS. 12 to 19 show the bend in the wire 11, 12 or screen 1 slightly exaggerated A digital pressure sensor would be used that does not require such a bend in the wire 1 1, 12
  • the tension sensors 26 shown in figures 12 to 19 are enclosed within a housing 30 and therefore are protected from the weather These systems are therefore more reliable than those involving wind sensors which must necessarily be exposed to the elements
  • Figure 20 shows an alternative covering system employing a tension sensor 26 according to the invention
  • the alternative covering system shown in figure 20 is of the type which uses a folding arm 31 with a cable 32 running through it
  • the tension sensor 26 is located inside the arm 31 and detects the tension in the cable 32 which is directly related to the tension in the covering sheet 1
  • Figure 21 shows a storage system for a flexible sheet 1
  • the storage system has two rollers 33, 34 which are synchronously driven so that the sheet 1 is stored around the rollers 33, 34 with a cross-sectional shape determined by the arrangement of the rollers 33, 34 (i e substantially oval in this embodiment)
  • a cross-sectional shape determined by the arrangement of the rollers 33, 34 (i e substantially oval in this embodiment)
  • Figures 22 and 23 show two ways in which the storage system of figure 21 can be driven
  • the two storage rollers 33, 34 are driven by a third drive roller 35 of smaller diameter than the storage rollers 33, 34 and located between the storage rollers 33, 34 in driving contact therewith
  • both storage rollers 33, 34 which have the same diameter, are driven in the same direction at the same speed
  • the two storage rollers 33, 34 are connected by a chain 36 so that when one roller 33, 34 is driven, the other roller 34, 33 is also driven synchronously

Abstract

L'invention concerne un dispositif de couverture servant à recouvrir une zone extérieure et comprenant un écran (1) pouvant être placé en position ouverte ou fermée et présentant une partie avant (2) et une partie arrière (4), cette dernière étant accouplée à un premier support (5, 6). Ce dispositif comprend également une pluralité d'éléments souples allongés (11, 12) s'étendant depuis le premier support (5, 6) vers des deuxièmes supports respectifs (9, 10) et la partie avant (2) de l'écran (1) est supportée par les éléments souples allongés (11, 12) simultanément au déplacement de l'écran (1) de la position fermée à la position ouverte. La partie avant (2) de l'écran (1) est montée mobile sur les éléments souples allongés (11, 12), de façon à se déplacer par rapport à ceux-ci pendant le passage de la position ouverte à la position fermée, cette partie avant (2) comportant un système de serrage permettant de fixer ladite partie avant (2) de manière détachable à au moins un desdits éléments souples allongés (11, 12).
PCT/GB2005/004973 2004-12-21 2005-12-21 Systeme de couverture WO2006067440A2 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
KR1020077016614A KR101281774B1 (ko) 2004-12-21 2005-12-21 커버링 시스템
MX2007007170A MX2007007170A (es) 2004-12-21 2005-12-21 Sistema de cobertura.
CA2593960A CA2593960C (fr) 2004-12-21 2005-12-21 Systeme de couverture
CN2005800440636A CN101091036B (zh) 2004-12-21 2005-12-21 覆盖系统
JP2007546200A JP2008524475A (ja) 2004-12-21 2005-12-21 カバーシステム
AU2005317864A AU2005317864B2 (en) 2004-12-21 2005-12-21 A covering system
BRPI0519397-4A BRPI0519397A2 (pt) 2004-12-21 2005-12-21 aparelho de cobertura para cobrir uma Área externa, sistema automÁtico de retraÇço para um aparelho de cobertura, sistema de armazenagem para um aparelho de cobertura, e, mÉtodos de transferir energia elÉtrica ao longo de uma tela de um aparelho de cobertura e de reforÇar uma tela de um aparelho de cobertura ligando elementos de reforÇo À tela
EP05821452A EP1834061A2 (fr) 2004-12-21 2005-12-21 Systeme de couverture
GB0714331A GB2437455A (en) 2004-12-21 2005-12-21 A covering system
US11/721,354 US8051866B2 (en) 2004-12-21 2005-12-21 Covering system
IL183707A IL183707A0 (en) 2004-12-21 2007-06-06 A covering system
US13/241,819 US20120260960A1 (en) 2004-12-21 2011-09-23 Covering System

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0427994A GB2421520A (en) 2004-12-21 2004-12-21 Moveable cover or awning
GB0427994.9 2004-12-21
GBGB0519596.1A GB0519596D0 (en) 2004-12-21 2005-09-26 A covering system
GB0519596.1 2005-09-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/241,819 Division US20120260960A1 (en) 2004-12-21 2011-09-23 Covering System

Publications (2)

Publication Number Publication Date
WO2006067440A2 true WO2006067440A2 (fr) 2006-06-29
WO2006067440A3 WO2006067440A3 (fr) 2006-08-10

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ID=35735136

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2005/004973 WO2006067440A2 (fr) 2004-12-21 2005-12-21 Systeme de couverture

Country Status (6)

Country Link
EP (1) EP1834061A2 (fr)
KR (1) KR101281774B1 (fr)
AU (1) AU2005317864B2 (fr)
CA (1) CA2593960C (fr)
GB (2) GB2421522B (fr)
WO (1) WO2006067440A2 (fr)

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US8281795B2 (en) 2007-02-20 2012-10-09 Daniel Cutler Retractable awning
WO2014064467A1 (fr) * 2012-10-26 2014-05-01 Daniel Cutler Auvent
CN107592075A (zh) * 2017-10-11 2018-01-16 青海黄河上游水电开发有限责任公司光伏产业技术分公司 一种光伏组件测试挂架
WO2018091977A1 (fr) * 2016-11-21 2018-05-24 Zhylkovskyy Ruslan Système de protection contre le rayonnement solaire
CN109105044A (zh) * 2018-06-14 2019-01-01 从佳乐 一种可调节农业种植架
CN109348934A (zh) * 2018-11-09 2019-02-19 沈阳农业大学 一种下拉上卷式日光温室卷帘装置及使用方法

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GB0606579D0 (en) * 2006-03-31 2006-05-10 Cutler Daniel Covering system
GB2440505A (en) * 2006-07-31 2008-02-06 Tai Tokes Ayoola A retractable netting device for shielding a pond or garden bed
GB2450111A (en) * 2007-06-12 2008-12-17 Daniel Cutler A retractable covering System
TR201508045A2 (tr) * 2015-06-30 2017-01-23 Baris Tente Ve Bra Nak Tas Hiz Ins San Ve Tic Ltd Sti Sürtünme azaltıcı tente aparatı
NL2017061B1 (nl) * 2016-06-28 2018-01-05 Van Der Valk Systemen B V Werkwijze voor het Verplaatsen van een Inspectie- of Bewerkingsorgaan langs een Geleidende Opspanning voor een Schermdoek van een Kas of Warenhuis
CN110366999A (zh) * 2019-09-03 2019-10-25 中国农业科学院都市农业研究所 一种行走式保温被铺卷系统
KR102421809B1 (ko) 2020-01-08 2022-07-14 정운성 수평 차양 커튼 시스템
US20230020395A1 (en) * 2021-07-15 2023-01-19 Magdy Youssef Safety Cable System
US20230172120A1 (en) * 2021-12-03 2023-06-08 Bobby Mitchell Mechanically Assisted Horizontal Trellis System

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US8281795B2 (en) 2007-02-20 2012-10-09 Daniel Cutler Retractable awning
WO2014064467A1 (fr) * 2012-10-26 2014-05-01 Daniel Cutler Auvent
WO2018091977A1 (fr) * 2016-11-21 2018-05-24 Zhylkovskyy Ruslan Système de protection contre le rayonnement solaire
CN107592075A (zh) * 2017-10-11 2018-01-16 青海黄河上游水电开发有限责任公司光伏产业技术分公司 一种光伏组件测试挂架
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CN109348934A (zh) * 2018-11-09 2019-02-19 沈阳农业大学 一种下拉上卷式日光温室卷帘装置及使用方法
CN109348934B (zh) * 2018-11-09 2023-10-20 沈阳农业大学 一种下拉上卷式日光温室卷帘装置及使用方法

Also Published As

Publication number Publication date
GB0526046D0 (en) 2006-02-01
GB2437455A (en) 2007-10-24
AU2005317864B2 (en) 2010-06-10
KR101281774B1 (ko) 2013-07-02
CA2593960A1 (fr) 2006-06-29
GB2421522B (en) 2007-06-13
GB0714331D0 (en) 2007-08-29
WO2006067440A3 (fr) 2006-08-10
EP1834061A2 (fr) 2007-09-19
CA2593960C (fr) 2013-10-08
GB2421522A (en) 2006-06-28
KR20070102682A (ko) 2007-10-19
AU2005317864A1 (en) 2006-06-29

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