WO2017130053A1 - Dispositif de couverture d'une surface comprenant des moyens d'enclenchement - Google Patents
Dispositif de couverture d'une surface comprenant des moyens d'enclenchement Download PDFInfo
- Publication number
- WO2017130053A1 WO2017130053A1 PCT/IB2017/000039 IB2017000039W WO2017130053A1 WO 2017130053 A1 WO2017130053 A1 WO 2017130053A1 IB 2017000039 W IB2017000039 W IB 2017000039W WO 2017130053 A1 WO2017130053 A1 WO 2017130053A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cover
- bead
- opening
- drum
- rail
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/58—Guiding devices
- E06B9/581—Means to prevent or induce disengagement of shutter from side rails
-
- 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
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J7/00—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs
- B60J7/08—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position
- B60J7/085—Non-fixed roofs; Roofs with movable panels, e.g. rotary sunroofs of non-sliding type, i.e. movable or removable roofs or panels, e.g. let-down tops or roofs capable of being easily detached or of assuming a collapsed or inoperative position winding up, e.g. for utility vehicles
-
- 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
-
- 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
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/06—Safety devices; Coverings for baths
- E04H4/10—Coverings of flexible material
-
- 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
- E04H4/00—Swimming or splash baths or pools
- E04H4/06—Safety devices; Coverings for baths
- E04H4/10—Coverings of flexible material
- E04H4/101—Coverings of flexible material wound-up on a fixed axis
-
- 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
- A63C2203/00—Special features of skates, skis, roller-skates, snowboards and courts
- A63C2203/12—Electrically powered or heated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/20—Accessories, e.g. wind deflectors, blinds
- B60J1/2011—Blinds; curtains or screens reducing heat or light intensity
- B60J1/2013—Roller blinds
- B60J1/2019—Roller blinds powered, e.g. by electric, hydraulic or pneumatic actuators
Definitions
- the invention relates to a device for covering a surface, easy to implement and best meets the requirements of the application concerned.
- the present invention relates to a covering device in which the cover comprises a particular fastening system for the reversible anchoring of the longitudinal edges of the cover during its deployment.
- Covers are applied to surfaces for reasons that depend on the nature of these surfaces.
- a pool such as a pool the cover can prevent pollution by leaves or animals, can save energy, water and reagents and can or should ensure the safety of people especially children.
- a blanket prevents dilution of liquid due to rain or excessive evaporation due to heat.
- a blanket When it comes to a sports field such as an outdoor tennis court clay or turf, a blanket protects it against the weather, especially intermittent rain.
- a vehicle body is covered in particular to ensure the stability of the load to the depression caused by the movement of the vehicle and protect it against the weather. Blankets are also used as blinds for greenhouses, conservatories or vehicle windows to prevent overheating indoors, and as sun protection for awnings.
- cover devices For larger surfaces can be used to cover devices further having a drum attached to one of the transverse ends of the surface to be protected.
- the cover is manually unfolded by pulling from the drum to cover the surface.
- the weight and dimensions of the cover require the intervention of several people to put it in place properly.
- the cover is removed by wrapping it around the drum by rotation: the blanket then withdraws from the surface by sliding on it.
- the rotation of the drum to remove the cover is done manually or by means of an electric motor having sufficient power to pull the cover fully extended. It should be noted that an easy deployment of the cover, especially in the case of a swimming pool, contributes to its safety, because a painful manipulation would hinder its use.
- Deployment (i.e., unwinding the drum) and removal (i.e., rewinding the drum) of the blanket can be done manually or automatically using a engine.
- Automatic covering devices are illustrated in particular in the following documents: US3574979, GB2199741, US2005 / 0097834, CA2115113, US2001 / 0023506, US5930848, US4001900 and on the website www.aquatop.be.
- this type of fixed drum cover devices mentioned above have the major drawback of dragging the blanket that is dragged on the surface to be protected during its deployment and its withdrawal which causes premature wear and work higher due to the friction thus generated.
- the terms “longitudinal””transverse” and their derivatives refer respectively to the direction of movement of the drum and the direction of the axis of revolution thereof.
- an alternative type of drum cover device exists, in which the motorized drum is mounted on a longitudinal translation mechanism. This moves the drum over the surface to be covered, which literally allows the blanket to be "laid” on the surface when it is unfolded, by simultaneously unrolling it from the drum during its longitudinal movement, and then lifting it when of its withdrawal, by winding it simultaneously on the drum. The cover does not slip on the surface either during its deployment or during its withdrawal.
- the cover device also includes a cover attachment system at a transverse end of the surface to be covered so that translation and rotation of the drum causes the cover to unwind or roll up over the surface to be covered.
- a cover attachment system at a transverse end of the surface to be covered so that translation and rotation of the drum causes the cover to unwind or roll up over the surface to be covered.
- the movable drum cover devices illustrated above only provide attachment of a transverse edge of the cover at a transverse end of the surface to be covered, the opposite edge remaining integral with the drum. No system for fixing the longitudinal edges of the roof is provided. Especially in the case of a pool, people engaging on the cover would not be retained by its longitudinal edges and could be precipitated into the water. In addition, the lack of tightness of the cover on its longitudinal edges can promote the introduction into the pool of dirt, dead leaves and twigs as well as small animals such as mice or snakes.
- FIG. 2 shows a cross section of a rail (6) in which is inserted the bead (12) of a cover (10), fixed under a wing of the rail by fastening means (31). ).
- Figure 2 (a) illustrates the fastening system as it should work with the bead (12) arranged under the rail flange and locked in this position by the fastening means (31).
- Figure 2 (b) shows what can happen, especially in the case of blankets that are not subjected to a transverse tension during their deployment (for example in the case of floating pool covers).
- the bead is slid into the opening (14) of the rail, but is not stored under the corresponding wing.
- the fastening means (31) do not have room to fit properly and the longitudinal edge of the cover is not secured as securely as it should be. This situation can be dangerous, because confident of the expected strength of such a system, a person can venture on the cover whose edges can separate from the rails under the effect of weight and their poor attachment.
- the present invention provides a solution that ensures the proper fixing of the longitudinal edges of a cover in the corresponding rails by a good systematic positioning of the beads of said longitudinal edges under the corresponding wings of the rails.
- the invention is as defined in the main claim and preferred embodiments are defined in the dependent claims.
- the present invention notably comprises a device for covering a surface comprising:
- a substantially rectangular cover having two longitudinal edges opposite to each other and two opposite transverse edges to each other, each longitudinal edge being provided with a protruding bead extending along said edge,
- a rotationally mounted drum adapted to wind and unroll the cover, said drum being mounted on a longitudinal translation mechanism along rails placed on either side of said surface and each consisting of a profile having an opening on one of its faces and facing away from the surface to be covered, said face comprising at least one adjacent wing located on the side adjacent to the surface to be covered and partially closing said opening, said translation mechanism allowing the longitudinal translation of the drum in a first direction causing the unfolding of the cover and its deployment over the surface to be covered and in a second direction resulting in the winding of the cover and its removal from said surface,
- the device of the present invention further comprises a bead engagement pad, slidably inserted into each rail, downstream of the return surfaces in the first translation direction, said interlocking pad comprising:
- the locking system further comprises two flexible belts (31), each being suitable,
- the displacement mechanism advantageously comprises a carriage mounted on the rails and overhanging transversely the surface to be covered and supporting the drum comprising at each of its ends:
- a drive wheel (9) whose axis of rotation is parallel to that of said drum;
- At least one first downstream wheel and at least one second upstream wheel resting on the rails and allowing the longitudinal translation of the carriage, and being mounted first downstream and the second upstream of the drive wheel in the first direction of movement. and forming with it a triangle whose drive wheel forms an upper vertex; and wherein the two flexible belts are attached only at each of their ends to the four corners of the surface to be covered and extend along the longitudinal edges of the surface to be covered in the following manner:
- each flexible belt caps the downstream caster which deposits it in the opening of the corresponding rail and wherein the interlocking pad is located between said downstream wheel and the pulley corresponding referrals.
- the mechanism may further comprise a sliding shoe inserted in each rail and located between the corresponding upstream wheel pulley, said fixing shoe comprising: ⁇ an upper portion, located off the rails and fixed to the translation mechanism to move along the rails with the drum, and
- a lower portion inserted in the opening (14) of the corresponding rail, said lower portion comprising a protruding projection extending under the distal flange (6b) of the corresponding rail and preventing said fixing pad and thus assisting the interlocking pad (50) to prevent said longitudinal translation mechanism to which it is attached from emerging from the opening of the corresponding rail.
- the lower base of the interlocking pad preferably comprises a substantially flat portion of substantially rectangular geometry to which is subtracted a portion defining a recess located on the side adjacent to the surface to be covered and having a maximum width and a height allowing to accommodate the bead, said recess extending longitudinally along the lower base from its upstream end where the recess has its maximum width and closes progressively before reaching its downstream end, said recess for guiding the bead under the adjacent wing (6a) of the rail.
- the upstream portion of the lower base is advantageously beveled to facilitate the insertion of the bead into the recess of the interlocking pad.
- the rail is a C-shaped profile, comprising in addition to the adjacent wing a second distal wing separated from the surface to be covered by the opening and the adjacent wing and partially closing the opposite side of the opening closed by the adjacent wing and wherein each interlocking pad comprises a protruding projection extending under the wing distal or under the adjacent wing of the corresponding rail and preventing said locking pad and therefore said longitudinal translation mechanism to which it is attached, out of the opening of the corresponding rail.
- the deflection surface may be at least partially formed of an inner surface of a groove disposed in the upper portion of the interlocking pad:
- Said groove having a face opening extending on a surface parallel to the corresponding rail and oriented towards the surface to be covered,
- Said opening having a width smaller than the dimension of the bead being inside the groove and greater than the thickness of the blanket coming out of the groove through said opening, so that the blanket can slide along the groove but the bead can not come out through the facial opening, and
- Said groove comprises a curved section making it possible to bring the bead of the cover tangentially towards the lower portion of the interlocking pad and thus under the adjacent wing of the corresponding rail.
- the upper portion of the insertion pad may then comprise a substantially cylindrical return pulley rotatably mounted along an axis parallel to the transverse direction of the cover, said return pulley having a distal end remote from the surface to be covered. , and a proximal end adjacent to said surface, and wherein the curved section is formed at least partially by the distal end of the idler pulley against which the corresponding bead of the cover which partially encloses said idler pulley to change orientation.
- each return pulley located on either side of the surface to be covered preferably rests on the corresponding bead, thus applying a tensile stress on the cover in the transverse direction during its unwinding, said constraint being maintained when locking the cover in the rails.
- the device may further comprise a tensioning bearing rotatably mounted on each interlocking pad, along a transverse axis of rotation, preferably normal to the transverse edges of the cover and which guides the bead of the cover in the groove of the pad. corresponding engagement.
- a device according to the present invention can be used to cover one of the following surfaces:
- a sports field such as a tennis or cricket ground
- a vehicle body
- a glass surface such as a greenhouse, a winter garden or a vehicle window.
- a surface is advantageously covered by a cover using a covering device as defined above, by the following method:
- Fig.1 is an overall perspective view of a surface with the drum in position such that only part of the surface is covered by a cover.
- Fig.2 shows a cross section of a rail with the bead introduced under a wing of the rail and locking means thereof (a) successful fixation and (b) inadequate fixation.
- Fig. 3 shows a first example of an interlocking shoe according to the present invention.
- Fig.4 shows a side view of a carriage comprising translation means and engagement means as well as attachment according to the present invention.
- Fig.5 illustrates in cross section and in perspective the operating principle of the engagement means according to a first example of the present invention comprising a pulley.
- Fig.6 illustrates in cross section and in perspective the operating principle of the engagement means according to a second example of the present invention comprising a pulley of more compact reference than the first example of Figure 5 ..
- Fig. 7 illustrates the guiding of a bead of a cover by the lower portion of an engagement pad according to the present invention.
- Fig.8 shows an example of interlocking pad according to the present invention.
- Fig.9 shows another example of interlocking pad according to the present invention.
- Fig. 10 shows another example of an interlocking pad according to the present invention.
- Fig.1 1 shows another example of interlocking pad according to the present invention.
- Fig.12 shows another example of interlocking pad according to the present invention.
- Fig.13 shows another example of interlocking pad according to the present invention.
- Fig.14 shows (a) a pad according to the example of Fig.13 without pulley and bearing and (b) a section of the idler pulley and tension bearing mounted on the pad of (a).
- Fig.15 illustrates in view from below the operating principle of the engagement means according to the present invention.
- FIG. 16 illustrates a preferred variant of the invention in which the interlocking pad comprises a reinforcing insert for reinforcing the lower portion and, in particular, the protrusion of the interlocking pad.
- the automatic covering device (1) of a surface (3) comprises a cover (10) intended to cover said surface (3).
- the device (1) makes it possible to cover in particular surfaces defined by the contour of a water basin such as a swimming pool, water treatment pond, sewage treatment plant, retention basin, water treatment station, desalinization etc.
- a water basin such as a swimming pool, water treatment pond, sewage treatment plant, retention basin, water treatment station, desalinization etc.
- the invention can be implemented in any field requiring the coverage of a surface, such as a clay tennis court or sod, a vehicle body, a greenhouse glass surface, vehicle window such as train or bus, or winter garden, etc.
- the term "surface” is understood to mean any zone delimited by a perimeter.
- the device (1) comprises a drum (2) having a length at least equal to the width of the cover (10), the latter having to be of sufficient width and length to cover the entire area to be protected (3) when deployed.
- the drum (2) is mounted on a longitudinal translation mechanism comprising rails (6) placed on either side of said surface (3) and for moving the drum in a first direction (D1) of translation, allowing deploy the cover and a second direction (D2) translation, allowing the removal of the cover.
- the device (1) further preferably comprises a fastening system located at a transverse end of the surface to be covered and allowing the unwinding / winding of the cover over the surface to be covered (3) during the translation and rotation of the drum (2). Any type of fastening system known and suitable for the requirements of constraints and security according to the application can be used for this purpose.
- the fastening system may comprise a plurality of straps secured to the apparent transverse end of the cover (10), said straps being for example provided with anchoring hooks which are fixed on the transverse portion of the contour delimiting the surface to cover (3).
- the end it is possible to provide the end to be fixed with a covering of eyelets which are fixed to the transverse edge of the surface by means of a series of studs, screws, a cable or any other means.
- These anchoring means keep immobilized the apparent transverse end of the cover (10) which allows to generate on it a longitudinal traction and unwind without having to motorize the rotation of the drum (2) when moving in the first direction (D1) to cover the surface (3).
- the rails (6) placed on either side of said surface (3) each consist of a profile having an opening (14) on one of its faces and oriented opposite the surface to be covered .
- the opening (14) is partially closed by at least one adjacent wing (6a) located adjacent to the surface to be covered.
- the device (1) according to the invention comprises deflection surfaces (13) which can be formed by an inner surface of a groove (52) and / or a surface of a return pulley (13w) illustrated on the Figures 8 to 14 and described in more detail below.
- the return surfaces (13) make it possible to change the orientation of the blanket which is presented with an angle between the drum and the surface to be covered, so as to orient it parallel to the surface to be covered and thus guide the bead towards the opening (14) of the corresponding rail (see Figures 5 (a) and 6 (a)).
- the continuous locking system of the bead (12) of the longitudinal edges of the cover (10) in the opening (14) of said rails (6) allows, once the bead (12) has been engaged in the opening (14), to lock it by wedging it under the adjacent wing (6a) of the rail corresponding to the progress of the cover (10) (see Figures 2 (a) and 4) and, during the translation of the drum in the second direction (D2), to release the bead allowing it to to disengage as and when measuring the winding of the cover.
- the interlocking shoe (50) specially developed in the context of the present invention makes it possible to ensure that once the bead presented with respect to the opening (14) of the corresponding rail, the bead is systematically guided in the opening and under the adjacent wing (6a).
- a locking shoe (50) is slidably inserted into each rail, downstream of the return surfaces (13) in the first direction (D1) translation as shown in Figure 4.
- An example of a skid engagement is illustrated in Figure 3 and comprises: (a) an upper portion (50X), located off the rails and attached to the translation mechanism so as to move along the rails with the drum, and
- the lower base (51) of the interlocking pad (50) preferably comprises a substantially planar portion of substantially rectangular geometry which has subtracted a portion defining a recess (51 R ) located on the side adjacent to the surface to be covered and having a maximum width and height to accommodate the bead.
- the recess (51 R) extends longitudinally along the lower base, from its upstream end (51A) where the recess has its maximum width and closes progressively before reaching its downstream end (51 B) (the terms “upstream” and “downstream” being used here with respect to the first direction (D1) of movement of the drum).
- Figure 7 shows the path imposed on a cover bead by the recess (51 R) of an interlocking pad (50) and
- Figure 15 shows the lower base (51) of such a pad, inserted in a rail (6) (shaded area) moving in the first direction (D1) of translation.
- the bead (12) presented with respect to the opening (14) of the rail is introduced into said recess which guides it under the adjacent wing (6a) of the rail. Thanks to said recess (51 R), the bead has no other possibility than to be placed correctly under the adjacent wing (6a) of the rail, thus allowing the locking system (31) to be put in place properly, such as shown in Figure 2 (a) and thus firmly lock the bead (12), and thus the edge of the deployed cover portion, in the rail (6).
- the upstream portion (51A) of the lower base (51) is preferably beveled as shown in FIG. 3 (a). ) (Profile view).
- the locking system comprises a partial closure means of the opening (14) of the rail in its portion corresponding to the deployed portion of the cover and leaving only one residual opening.
- the partial closure must be such that, on the one hand, it allows the thickness of the cover to pass into the residual opening and, on the other hand, not to allow the thickness of the bead to pass through. the residual opening and thus to lock the bead under the adjacent wing (6a) inside the rail (6).
- Such partial closure means is preferably in the form of a flexible belt (31) of width slightly smaller than the span of the opening (14) and which is inserted into the opening of the rail as and when as the bead (12) is guided under the adjacent flange (6a).
- the belt (31) is deposited as and when the course of the cover (10) in the opening (14) of the corresponding rail once the bead (12) has been engaged under the adjacent wing (6a) of the latter, thereby jamming it there and,
- the longitudinal edge of the cover (10) is held firmly even in case of very high mechanical stress on the cover (10) due for example to a depression or to gravitation. In the case of swimming pools, it confers security in case of access (authorized or not) on the cover.
- the strength of the locking system can easily reach a range of 5 to 10 kN / m (500 to 1000 kg / m) which is sufficient for many applications. Depending on the materials used, higher locking resistances can be achieved.
- a first guide means is provided by return surfaces (13) which can be formed by an inner surface of a groove and / or a bearing surface of a return pulley (13w).
- the return surface may be included on the upper portion (50X) of the interlock pad, or may be separated therefrom.
- the return surface (13) is an integral part of the upper portion of the interlocking pad.
- the deflection surfaces serve to guide and position said bead (12) on each edge of the cover towards the lower portion (50Y) of the interlocking pad, vis-à-vis the opening (14) of the corresponding rail (6). during the translation in the first direction (D1) of the drum causing the unwinding of the cover (see Figures 5 & 6).
- the deflection surface (13) may be at least partially formed by an inner surface of a groove (52) disposed in the upper portion (50X) of the interlocking shoe (50). , such as.
- Said groove has a face opening extending on a surface parallel to the corresponding rail (6) and oriented towards the surface to be covered,
- said aperture has a width less than the dimension of the bead (12) lying within the groove and greater than the thickness of the cover (10) which emerges from the groove through said opening, so that the s cover can slide along the groove but the bead can not come out through the facial opening, and
- said groove comprises a curved section for tangentially bringing the bead of the cover (10) to the lower portion (50Y) of the interlocking pad and thus under the adjacent wing (6a) of the corresponding rail.
- the upper portion of the insertion pad comprises a substantially cylindrical return pulley (13w) rotatably mounted along an axis parallel to the transverse direction of the cover (see FIG. 5 (a), 6). (a), 9, 10 and 12 to 14).
- This return pulley comprises a distal end (13d), remote from the surface to be covered, and a proximal end (13p), adjacent to said surface to be covered.
- the curved section of the deflection surface described above is then formed at least partially by the distal end (13d) of the deflection pulley against which the corresponding bead of the cover which partially encloses said deflection pulley bears in order to change orientation.
- FIGS. 9, 10, 12 to 14 Several arrangements of an interlocking pad including a deflection pulley are shown in FIGS. 9, 10, 12 to 14.
- an elongated cylinder-shaped return pulley (13w) is shown.
- An elongated pulley makes it easier to change the direction of the cover.
- finer and less invasive return pulleys as shown in FIGS. 10, 13 and 14 are also effective, especially if the cover is subjected to transverse tension during locking as discussed below.
- the distal end (13d) of the pulley (13w) provides a return surface (13) against which the bead can rest and be retained.
- Figure 14 (b) illustrates how the bead is jammed by a deflection pulley (13w) which passes the thickness of the cover, but not the bead.
- the cover is subjected to a transverse tension during its deployment, to ensure a smooth, stable and aesthetic appearance.
- this covers each return surface (13), such as the bead (12). relies on an inner surface of a groove or on the surface of the distal end (13d) of a return pulley (13w).
- the system may comprise tensor bearings (15) mounted to rotate about a transverse axis of rotation, preferably normal to the transverse edges of the cover and which guide the beads of the cover towards the return surfaces (13) of the corresponding engagement pad.
- Each tension bearing (15) can be advantageously placed between the return surface (13) of the corresponding engagement shoe and the drum, in order to bring and position the bead of the cover against the return surface (13).
- a tensor bearing is mounted directly on each interlocking pad (50),
- the interlocking pad of Figure 11 comprises a tension bearing (15) rotatably mounted on a transverse axis but not normal to the transverse edges of the cover and is adapted to apply a transverse tension on the cover and guide a bead thereof in the groove (13) of the pad whose inner surface forms the return surface. From the moment when a bead of the cover contacts the tensioning bearing until its engagement and locking in the rail, the cover is kept under transverse tension, which gives a smooth appearance to the part of cover already deployed downstream of the drum .
- Figure 12 shows a locking shoe similar to that of Figure 11 discussed above, comprising a tension bearing (15) and whose curved portion of the groove is formed by a return pulley (13w) rotatably mounted on an axis parallel to the transverse edges of the cover.
- FIGS. 13 and 14 illustrate another example of an interlocking pad comprising a groove, a return pulley (13w) and a tensioning bearing (15) mounted on an axis normal to the axis of the return pulley.
- Figure 1 (a) shows an example of a skid, without pulley or bearing, which is very compact and advantageous.
- Figure 14 (b) shows a section of a pad according to Figure 14 (a) showing a deflection pulley (13w) including a rim having one or more inner faces forming the deflection surface (13).
- the tensioning bearing is rotatably mounted on a transverse axis, but not normal to the transverse edges of the cover, in the example of FIG. 14, the axis of rotation of the tensioning bearing (15 ) is normal to the axis of the return pulley (13w) and to the transverse edges of the cover.
- the tensor bearings (5) guide the corresponding beads towards the return surfaces by applying, if necessary, a transverse tension on the cover.
- the return surfaces (13) guide the corresponding beads to the lower portion (50Y) of the interlocking pads whose geometry guides the beads under the adjacent wing (6a) as shown in Figures 7 and 15. This avoids the illustrated danger in Figure 2 (b) that the bead is incorrectly or not inserted under the adjacent wing (6a) of a rail.
- it is not desirable to apply a transverse tension to the cover For example, in the case of floating covers covering a swimming pool, no transverse tension is applied to the cover. Similarly, in the case where the cover includes a window or opening, devoid of material, no transverse tension could be applied to this portion of the cover.
- the belts (31) in addition to their continuous locking function of the bead (12), also participate in the translation of the drum (2) which is preferably rotatably mounted on a carriage (21) mounted on the rails (6) and overhanging transversely the surface (3) to be covered.
- said carriage comprises at each of its ends,
- Each of the two flexible belts (31) is fixed only at each of its ends (35) to the four corners of the surface to be covered and extends along each of the longitudinal edges of the surface to be covered in the following manner :
- Each belt is disposed in the opening (14) of the rails (6) in the side sections (31a) between an attachment point (35) and the wheel (33av, 33am) closest to said attachment point .
- the surface of each belt coming into contact with the drive wheel preferably comprises a notch which engages in a corresponding aliasing on the drive wheel.
- the belts can be in the form of chains, or have a rough face to prevent slippage with the drive wheel (9).
- the belt ( 35) also acts as a bead locking system, as discussed above.
- the engagement pad (50) is then located between said downstream wheel (33av) and the corresponding return pulley (13) as shown in Figure 4.
- a profile in G for the rails (6) comprising a wing only on one side of the opening (14), is sufficient to allow a locking of the bead (12) according to the present invention
- a profile in It is preferred, comprising in addition to the adjacent wing (6a) a second distal wing (6b) separated from the surface to be covered by the opening (14) and the adjacent wing (6a) and partially closing the opposite side of the opening (14) left by the adjacent wing (6a).
- each locking shoe (50) comprises a projecting projection (53) extending under the distal flange (6b) of the corresponding rail.
- This projection prevents said locking shoe (50) and therefore said longitudinal translation mechanism to which it is attached, out of the opening of the corresponding rail.
- the projection (53) can also be slid under the adjacent wing (6a) but the pad will be more stable if the projection is slid under the distal wing, since the cover submits the upper portion (50X) of the pads to forces oriented towards the surface to be covered and tend to rotate the pads towards the cover.
- the projection (53) and its connection to the pad are subjected to high stresses during its use. They are subjected on the one hand to significant friction forces against the wings of the rail during its translation.
- the parts of the pad and the projection contacting a surface of the rail are made of a material having a low coefficient of friction.
- a polymer may be used, such as polyethylene (PE), polypropylene (PP), polyamide (PA), polyoxymethylene (POM), a fluoropolymer, such as polytetrafluoroethylene (Teflon®, PTFE), or the like.
- the projection is subjected to high bending stresses, caused, in particular, by the tension applied to the cover when engaging the corresponding bead of the cover. It has been found that in some cases, particularly for large covers overhanging a cavity, the tensions on the cover are such that it has been observed the breakage of projections of certain pads made of polymers as described above.
- the pad of engagement comprises a polymer structure and a reinforcing insert (70) made of metal or fiber-reinforced composite material to locally stiffen the interlocking pad. In particular, as shown in FIG.
- the reinforcing insert may have an L shape, (or inverted T), with a first horizontal portion (70H), reinforcing the projection (53) and a vertical portion ( 70V), normal to the horizontal portion and extending from the lower portion (50Y) to the upper portion (50X) of the interlock pad.
- the polymer structure may comprise, on the one hand, a cavity into which the vertical portion of the reinforcing insert is inserted and, on the other hand, a recess in a lower part of the projection, so that all surfaces of the interlocking shoe in contact with the rail are of polymer.
- the reinforcing insert may be steel, preferably stainless steel, or aluminum or aluminum alloy.
- the insert may be made of composite material reinforced with long or continuous fibers and of preferably organic matrix, such as thermoset resins, such as epoxy, polyester, etc. or thermoplastic polymers such as polyamide, polyester, polyurethane, etc.
- Figure 16 illustrates several examples of interlocking pads comprising a reinforcing insert (70).
- Figure 16 (a) is a perspective view showing the insertion of a reinforcing insert (70) into a cavity provided in the polymer structure of the interlocking pad.
- the reinforcing insert (70) can be held in position in the cavity by any fastening means known to those skilled in the art, such as screws, snap fastening means, or others.
- a reinforcement insert can be used for any variation of interlocking shoe, from the simplest as illustrated in Figure 16 (b) & (c), to the more complex as shown in Figure 16 (d) including a tensor bearing (15).
- the interlocking pad comprises a second reinforcing insert stiffening the upper portion (50X) of the interlocking pad.
- the device preferably comprises a fixing shoe (60) slidably inserted into each rail, downstream of the upstream wheel (33am). ) and upstream of the locking shoe (50) in the first direction (D1) of translation.
- a fixing shoe (60) is similar to the locking shoe (50) but does not have a recess (51 R) unnecessary since the fixing shoe (60) does not come into contact with the cover ( 10), or with the bead (12).
- the fixing pad therefore comprises: (a) an upper portion, located outside the rails and fixed to the translation mechanism so as to move along the rails with the drum, and (b) a lower portion, inserted in the opening (14) of the corresponding rail, said lower portion comprising a protruding projection extending under the distal flange (6b) of the corresponding rail and preventing said attachment pad (60) and therefore said longitudinal translation mechanism to which it is attached to exit the opening of the corresponding rail, thereby assisting the engagement shoe (50) in this task.
- a device according to the present invention preferably allows the following operations illustrated in FIG. 4:
- the movement of the drum along a surface to be covered or discovered generally occurs at a substantially constant speed.
- the drive wheels (9) must therefore rotate at a substantially constant speed of rotation.
- the outer diameters of the drum when the cover is deployed or removed can vary considerably. Since the speed of deployment / removal of the cover depends on the speed of rotation of the drive wheels (which remains generally constant) and as the outer diameter of the drum varies with the portion of the cover which is wound therein, it follows that the drum and the drive wheels (9) can not rotate at the same speed throughout the translation of the drum. For small covers, it is sometimes possible to compensate for differences in speed by pulling on the cover.
- the cover can be any material suitable for the application in question: synthetic or natural textile materials, polymeric films, slats made of polymer, metal or wood, etc. It can be transparent, opaque or translucent and can form a barrier to fluids or on the contrary be porous, or even include meshes such as in a net. For example, for pool or water treatment pond applications or the like, it is advantageous if the cover includes drainage holes thereby allowing rainwater not to accumulate on the cover and thus avoiding the formation of pockets of water on the surface of the cover.
- a covering system according to the present invention is particularly suitable for covering surfaces such as:
- a sports field such as a tennis or cricket ground
- a vehicle body such as a trailer
- a glass surface such as a greenhouse, a winter garden or a vehicle window.
- the bead (12) provided along the longitudinal edges of a cover (10) is systematically properly placed under the adjacent wing (6a) of the rail in which it is to be locked, as shown in Figure 2 (a) and a situation as shown in Figure 2 (b) is avoided, even in the absence of lateral tension of the cover when inserted in the rail.
- the security of the device is thus guaranteed even after numerous cycles of deployments and withdrawals of the cover over a surface to be covered.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Road Paving Machines (AREA)
- Transmissions By Endless Flexible Members (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Road Paving Structures (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Soil Working Implements (AREA)
- Braking Arrangements (AREA)
- Window Of Vehicle (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Coating Apparatus (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/069,559 US10961773B2 (en) | 2016-01-25 | 2017-01-26 | Device for covering a surface including interlocking means |
BR112018015017-7A BR112018015017B1 (pt) | 2016-01-25 | 2017-01-26 | Dispositivo de cobertura de uma superfície, utilização de um dispositivo e processo para cobrir uma superfície |
ES17705700T ES2762156T3 (es) | 2016-01-25 | 2017-01-26 | Dispositivo de cubierta de una superficie que comprende medios de enganche |
CN201780007806.5A CN108633294B (zh) | 2016-01-25 | 2017-01-26 | 用于遮盖表面、包括联锁工具的装置 |
AU2017212840A AU2017212840B2 (en) | 2016-01-25 | 2017-01-26 | Device for covering a surface including interlocking means |
RU2018128048A RU2715142C1 (ru) | 2016-01-25 | 2017-01-26 | Устройство для наложения покрытия на поверхность, содержащее средства сцепления |
EP17705700.7A EP3408470B1 (fr) | 2016-01-25 | 2017-01-26 | Dispositif de couverture d'une surface comprenant des moyens d'enclenchement |
CA3011412A CA3011412A1 (fr) | 2016-01-25 | 2017-01-26 | Dispositif pour couvrir une surface comportant un moyen d'interverrouillage |
JP2018557224A JP6820615B2 (ja) | 2016-01-25 | 2017-01-26 | 相互係止手段を含む表面を覆うためのデバイス |
IL260573A IL260573B (en) | 2016-01-25 | 2018-07-12 | A device for covering a surface that includes connecting means |
ZA201804845A ZA201804845B (en) | 2016-01-25 | 2018-07-18 | Device for covering a surface including interlocking means |
HRP20192245TT HRP20192245T1 (hr) | 2016-01-25 | 2019-12-13 | Uređaj za prekrivanje površine s međusobno povezanim sredstvima |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2016/5058 | 2016-01-25 | ||
BE2016/5058A BE1023457B1 (fr) | 2016-01-25 | 2016-01-25 | Dispositif de couverture d'une surface comprenant des moyens d'enclenchement |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017130053A1 true WO2017130053A1 (fr) | 2017-08-03 |
Family
ID=55456525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/IB2017/000039 WO2017130053A1 (fr) | 2016-01-25 | 2017-01-26 | Dispositif de couverture d'une surface comprenant des moyens d'enclenchement |
Country Status (14)
Country | Link |
---|---|
US (1) | US10961773B2 (fr) |
EP (1) | EP3408470B1 (fr) |
JP (1) | JP6820615B2 (fr) |
CN (1) | CN108633294B (fr) |
AU (1) | AU2017212840B2 (fr) |
BE (1) | BE1023457B1 (fr) |
BR (1) | BR112018015017B1 (fr) |
CA (1) | CA3011412A1 (fr) |
ES (1) | ES2762156T3 (fr) |
HR (1) | HRP20192245T1 (fr) |
IL (1) | IL260573B (fr) |
RU (1) | RU2715142C1 (fr) |
WO (1) | WO2017130053A1 (fr) |
ZA (1) | ZA201804845B (fr) |
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WO2020126793A1 (fr) | 2018-12-19 | 2020-06-25 | Becoflex | Dispositif de couverture gonflable d'une surface |
WO2021105053A1 (fr) | 2019-11-28 | 2021-06-03 | Becoflex | Dispositif de couverture d'une surface comprenant des moyens de verrouillage discrets |
WO2023144062A1 (fr) | 2022-01-27 | 2023-08-03 | Becoflex | Dispositif compact de couverture d'une surface comprenant un système de securite en cas de mauvais verrouillage de la couverture |
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FR3095432B1 (fr) * | 2019-04-26 | 2021-04-16 | Groupe Waterair | Dispositif enrouleur-dérouleur d’une bâche de protection |
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CN117044545B (zh) * | 2023-09-08 | 2024-05-14 | 黑龙江省农业科学院大豆研究所 | 一种大豆耐荫性鉴定用遮光处理装置及方法 |
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2018
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WO2005026473A1 (fr) | 2003-09-12 | 2005-03-24 | Ec2M | Dispositif et procede pour recouvrir et decouvrir une surface par un element de couverture enroulable |
US20050097834A1 (en) | 2003-11-07 | 2005-05-12 | King James L. | Pool cover tracking system |
EP1719858A2 (fr) | 2005-05-04 | 2006-11-08 | Faf | Dispositif mobile d'enroulement de couverture de sécurité pour piscine |
WO2007036625A1 (fr) | 2005-09-28 | 2007-04-05 | S.A.S Etudema | Dispositif permettant de deposer par deroulement une bache de securite d’une piscine ainsi que le procede de mise en oeuvre |
FR2893651A1 (fr) | 2005-11-24 | 2007-05-25 | Philippe Richert | Enrouleur automatique de bache de protection |
FR2900951A1 (fr) | 2006-05-15 | 2007-11-16 | Gilles Apollon | Dispositif d'entrainement et procede pour recouvrir et decouvrir une surface a l'aide d'un element couvrant enroulable |
WO2010010152A1 (fr) | 2008-07-25 | 2010-01-28 | Becoflex S.A. | Dispositif de couverture d'une surface |
WO2010054960A1 (fr) | 2008-11-12 | 2010-05-20 | Becoflex S.A. | Dispositif de couverture d’une surface |
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WO2014064138A1 (fr) | 2012-10-24 | 2014-05-01 | Becoflex S.A. | Dispositif de couverture d'une surface comprenant des bourrelets de fixation le long des bords de la couverture |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2020126793A1 (fr) | 2018-12-19 | 2020-06-25 | Becoflex | Dispositif de couverture gonflable d'une surface |
BE1026976A1 (fr) | 2018-12-19 | 2020-08-12 | Becoflex Sa | Dispositif de couverture gonflable d'une surface |
WO2021105053A1 (fr) | 2019-11-28 | 2021-06-03 | Becoflex | Dispositif de couverture d'une surface comprenant des moyens de verrouillage discrets |
BE1027806A1 (fr) | 2019-11-28 | 2021-06-22 | Becoflex | Dispositif de couverture d'une surface comprenant des moyens de verrouillage discrets |
BE1027806B1 (fr) * | 2019-11-28 | 2021-06-28 | Becoflex | Dispositif de couverture d'une surface comprenant des moyens de verrouillage discrets |
US12104399B2 (en) | 2019-11-28 | 2024-10-01 | Becoflex | Device for covering a surface comprising discreet locking means |
WO2023144062A1 (fr) | 2022-01-27 | 2023-08-03 | Becoflex | Dispositif compact de couverture d'une surface comprenant un système de securite en cas de mauvais verrouillage de la couverture |
BE1030222B1 (fr) * | 2022-01-27 | 2023-08-28 | Becoflex | Dispositif compact de couverture d'une surface comprenant un système de securite en cas de mauvais verrouillage de la couverture |
Also Published As
Publication number | Publication date |
---|---|
CA3011412A1 (fr) | 2017-08-03 |
ZA201804845B (en) | 2019-10-30 |
HRP20192245T1 (hr) | 2020-03-06 |
ES2762156T3 (es) | 2020-05-22 |
US20190010757A1 (en) | 2019-01-10 |
AU2017212840B2 (en) | 2021-09-30 |
EP3408470A1 (fr) | 2018-12-05 |
BR112018015017A2 (pt) | 2018-12-18 |
AU2017212840A1 (en) | 2018-08-02 |
BR112018015017B1 (pt) | 2022-11-01 |
IL260573B (en) | 2021-09-30 |
CN108633294B (zh) | 2020-07-28 |
RU2715142C1 (ru) | 2020-02-25 |
EP3408470B1 (fr) | 2019-10-09 |
JP6820615B2 (ja) | 2021-01-27 |
JP2019509864A (ja) | 2019-04-11 |
BE1023457B1 (fr) | 2017-03-27 |
US10961773B2 (en) | 2021-03-30 |
CN108633294A (zh) | 2018-10-09 |
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