EP3259420B1 - Covering device for a basin such as a swimming pool or the like - Google Patents

Description

Technical field :

The invention relates to a covering device for a pool, in particular a swimming pool or the like, comprising a security module and a complementary functional module arranged in two parallel and distinct planes, said security module comprising at least one panel, mounted on a frame technical arrangement arranged to maintain said at least one panel and delimiting a central opening arranged to be substantially above said basin, and said complementary functional module being at least partially superimposed on the security module to at least partially cover said central opening, said functional module complementary member further comprising a plurality of removable panels assembled, reversibly them, said technical frame comprising, on the one hand, tensioning means for tensioning said covering device and secondly, securing means for secure said covering device.

Prior art :

Many solutions to cover a pool have been developed, such as blankets or shelters. The existing covers generally have the function of guaranteeing the safety of people against the fall and / or of preserving the water temperature of the pool and / or of preventing the proliferation of algae.

The publication EP 0 570 311 describes a modular pond cover that includes a modular cover sheet consisting of several elements of tarpaulins that can be adapted either to stop the proliferation of algae in winter, or to promote the greenhouse effect in summer. Each covering element comprises two rods or two ropes located along their longitudinal edges. The ropes cooperate with tubular sections at two diametrically opposite lips. The association of the profiles and the slings constitute means of assembly of the elements of tarpaulin facilitating their interchangeability. Such coverage thus has the advantage of being modular and interchangeable with the seasons, but has the disadvantage of not being sufficiently secure.

Publication is also known EP 2 623 691 filed by the plaintiff, a modular pool cover and multifunction that allows interchangeability between different types of covering sheets according to the desired function. The cover has a peripheral frame of flexible material which delimits a central opening closed by a fixed panel. The latter can be made of a net and makes it possible to guarantee the safety of the pool at all times by avoiding accidental falls. Additionally, a sheet is connected to the peripheral frame and is formed of several removable panels. The nature of the removable panel materials varies according to the desired use. It can be transparent or translucent material for summer use or an opaque or semi-opaque material for winter use. The panels are then interconnected by means of assembly such as rings and hooks, self-gripping strips, zippers, snaps. This cover has the advantage of being modular, multifunctional, manageable by one person, low cost, easy to store, easy to replace locally and secure. However, this embodiment has the disadvantage of multiplying the assembly means to bind, on the one hand, the tarpaulin to the peripheral frame and, on the other hand, the panels of the sheet between them. In addition, it is not easy to assemble and disassemble the panels between them, because it is necessary to walk on the cover and bend down.

Presentation of the invention

The present invention aims to propose a covering device in which said elements which constitute it, can be easily assembled and disassembled, wherein the parts forming the assembly means are restricted, wherein the technical framework has a small footprint and whose industrializable construction solution provides an easily scalable solution according to the seasons, ensuring the safety of people.

For this purpose, the invention relates to a covering device of the kind indicated in the preamble, characterized in that said covering device comprises assembly means arranged to reversibly assemble said removable panels of said complementary functional module on the one hand between them and on the other hand auditing at least one panel of said security module.

Preferably, said assembly means comprise at least one elongated mounting member extending in a direction transverse to said covering device between two opposite edges of said technical frame.

The at least one panel of the security module may include a plurality of elongated mounting members that are disposed substantially parallel to one another.

Each removable panel of the complementary functional module can be movably mounted in translation between two adjacent elongated mounting members secured to said at least one panel of the security module.

Preferably, the assembly means comprise said at least one elongated mounting member consisting of at least one transverse profile provided with at least two longitudinal guide zones, and the assembly means comprise at least two sliding members of shapes. complementary to said guide zones, said two sliding members being connected to said complementary functional module and said transverse section being connected to said security module, said zones of guiding and said sliding members being arranged to cooperate with each other reversibly.

Preferably, the assembly means are reversible and said transverse section is provided with at least three longitudinal guiding zones, and at least three sliding members of shapes complementary to said guide zones, and of which at least two sliding members are related to said complementary functional module and at least one sliding member is linked to said security module.

Advantageously, the covering device may comprise at least a plurality of said transverse profiles extending on the security module in a direction transverse to the security module between two opposite edges of said technical frame and the removable panels of said complementary functional module may be each arranged at least partly between two adjacent transverse profiles.

Preferably, said removable panels of said complementary functional module each comprise two sliding members disposed respectively along two opposite edges and arranged to cooperate with two guide zones of two adjacent transverse profiles.

Preferably, the security module comprises at least a plurality of sliding members extending in a transverse direction between two opposite edges of said security module and arranged to cooperate with one of the guide zones of said transverse section.

Advantageously, the security module may comprise a plurality of panels each comprising two sliding members disposed respectively along two opposite edges and arranged to cooperate with two of the guide zones of said transverse section.

Preferably, the security module may comprise a plurality of panels and at least two adjacent panels are welded together by a strip connecting their adjacent edges and said strip comprises one of the sliding members or said transverse section.

In this case, the strip may comprise an anti-wear profile disposed on the underside of said strip and all or part of the length of said strip.

In a preferred embodiment, said transverse section comprises three guide zones and two guide zones are disposed on two opposite lateral faces of said transverse profile in the same plane parallel to and above said security module, and are arranged to receive reversibly the sliding members of two adjacent removable panels of the complementary functional module, and a guide zone is disposed on the lower face of said transverse profile and is arranged to receive a sliding member of said security module.

In another preferred embodiment, said transverse section comprises four guide zones and two first guide zones are arranged on two opposite lateral faces of said transverse section, in the same plane parallel to and above said security module and are arranged to reversibly receiving the sliding members of two adjacent removable panels of the complementary functional module, and two second guide zones are disposed on said opposite side faces of said profile, in the same plane and under the first guide zones and are arranged to receive reversibly the sliding members of two adjacent panels of the security module.

Preferably, said guide zones consist of longitudinal grooves and the sliding members consist of ropes or rods.

Advantageously, said technical framework comprises first fastening means distributed on the peripheral frame, and the removable panels of the complementary functional module have on their free edges second fixing means complementary to said first fixing means.

In this case, the technical frame has on its two opposite edges between the transverse sections foldable flaps provided with said first fastening means consisting of snaps and said second fixing means provided on the two free edges of the removable panels comprise oblong holes. through which are closed said snaps.

Advantageously, the two opposite lateral faces of said transverse profile are flat and not parallel to each other, and the lower face of said transverse profile is flat and the upper face of said transverse profile is curved.

The removable panels may be made of polymers or fluoropolymers selected from the group consisting of polyvinyl chloride, polyurethane, polyethylene, polyethylene-vinyl acetate, polyethylene-co-tetrafluoroethylene, polyvinylidene fluoride.

Preferably, said removable panel has a solar factor g between 60% and 100%. The weight of said removable panel may be between 50 and 300g / m ² . Said removable panel may comprise at least one hole arranged to receive a hook attached to a strap.

Preferably, the security module panel may be a polyvinyl chloride-coated polyester net whose mesh has an empty mesh size ratio greater than 50%. In this case, the net may comprise solidary chain / frame junctions.

Brief description of the drawings :

• la figure 1A représente une vue en perspective d'un dispositif de recouvrement selon l'invention montrant un panneau amovible semi-ouvert du module fonctionnel complémentaire et la figure 1B représente une vue agrandie des moyens de fixation du cadre technique et des panneaux amovibles,
• la figure 2 est une vue en coupe d'une partie du dispositif de recouvrement de la figure 1 montrant les moyens d'assemblage réversibles du module de sécurité et du module fonctionnel complémentaire,
• la figure 3 est une vue en perspective du module de sécurité et du cadre technique du dispositif de recouvrement de la figure 1 montrant les ralingues,
• la figure 4 est une vue similaire à la figure 3 montrant les profilés transversaux reçus par les ralingues,
• la figure 5 est une vue en perspective de la face inférieure du module de sécurité montrant les profilés anti-usure,
• la figure 6 est une vue en perspective similaire à la figure 1 montrant le dispositif de recouvrement fermé, et
• la figure 7 représente une vue en perspective d'un panneau amovible du module fonctionnel complémentaire.

The present invention and its advantages will appear better in the following description of an embodiment given by way of non-limiting example, with reference to the appended drawings, in which:

• the Figure 1A represents a perspective view of a covering device according to the invention showing a semi-open removable panel of the complementary functional module and the Figure 1B represents an enlarged view of the fastening means of the technical frame and the removable panels,
• the figure 2 is a sectional view of a part of the recovery device of the figure 1 showing the reversible assembly means of the security module and the complementary functional module,
• the figure 3 is a perspective view of the security module and the technical framework of the recovery device of the figure 1 showing the ropes,
• the figure 4 is a view similar to the figure 3 showing the transverse sections received by the ropes,
• the figure 5 is a perspective view of the underside of the security module showing the anti-wear profiles,
• the figure 6 is a perspective view similar to the figure 1 showing the closed covering device, and
• the figure 7 represents a perspective view of a removable panel of the complementary functional module.

Illustrations of the invention and best way to achieve it:

Referring to the figures, the invention relates to a covering device 10 which comprises a security module 20 and a complementary functional module 30, and which is intended to cover a pool. The pool may consist of a non-limiting example in a swimming pool. The security module 20 comprises at least one panel 21 which is mounted on a technical frame 40. The technical frame 40 is disposed on the periphery of said at least one panel 21 in the same plane and delimits a central opening 41. The technical frame 40 is part of the security module 20 and is intended to rest on the edge of the basin and to allow, including lashing of the covering device 10 at the edge of the basin. The central opening 41 is irreversibly closed by one or more panels 21 of said security module 20. The complementary functional module 30 is superimposed on the security module 20 so as to cover at least part of the central opening 41. , the complementary functional module 30 and the security module 20 are reversibly assembled together by assembly means 50 which are reversible. More particularly, the assembly means 50, several variants of which will be described in the following description, are arranged to directly and reversibly connect both the removable panels 31 of the complementary functional module 30 to each other, and at the same time, the removable panels 31 of the complementary functional module 30 to the panels 21 of the security module 20. Advantageously, this reversible assembly makes it possible to improve the modularity of the covering device 10 to facilitate the assembly of the complementary functional module 30 to the module 20. The direct assembly, removable panels 31 of the complementary functional module 30 to the panels 21 of the security module 20, by the assembly means 50 thus makes it possible to avoid using the technical frame 40 as an intermediate piece for allow assembly, as is the case in the prior art. This makes it possible to reduce the number of parts allowing the assembly and to reduce the bulk in the technical frame 40. The aesthetics of the covering device 10 are also improved. It also results that the removable panels 31 are removable one by one. others. It is thus possible to open or close the complementary functional module 30 by zone as illustrated by FIG. Figure 1A , while guaranteeing the connection between the other panels 31 of the complementary functional module and the panels 21 of the security module 20.

The security module 20 generally comprises a panel or a plurality of panels 21. The security module 20 makes it possible to guarantee the safety of the pool at all times by avoiding any accidental drop in the water. Preferably, the panel 21 may consist of a net armed or not, a canvas armed or not and perforated or not, a flexible material such as an extruded film, a calendered canvas, a non-woven transparent or translucent and armed or not, or the like. According to an alternative embodiment, the panel 21 is a net, for example of polyester, whose meshs have an empty mesh size ratio greater than 50%. The net may be coated, for example, with polyvinyl chloride or any other suitable thermoplastic material to allow welding assembly. Preferably, the construction of the mesh of the net must be made so that the chain of the net can not slip on the frame of the net if an obstacle was to get caught in a mesh of the net. A thread whose chain / weft junctions are secured, for example by means of a knot or fastening means, or by knitting or weaving of the stitches, before the coating of polyvinyl chloride, will thus be preferred. As illustrated in figure 3 when the security module 20 comprises a plurality of panels 21, the panels 21 are preferably rectangular, arranged in the same plane and parallel to each other. As a result, the security module 20 also has a rectangular shape. Preferably, two adjacent panels 21 are irreversibly joined to each other, for example by heat-sealing or by sewing or by any other equivalent means. In the example shown in the figure 3 the adjacent panels 21 are irreversibly joined together at their adjacent edges by means of a strip 22 by heat sealing, for example. Advantageously, such strips 22 also allow to receive reversible assembly means 50 which will be described in the following description.

The complementary functional module 30 comprises a plurality of removable panels 31, as illustrated in particular by the figures 1 and 6 . Preferably, the removable panels 31 are made of a flexible material whose nature is chosen according to the needs and / or seasons. For summer use, the material removable panel 31 will be selected from a flexible material, transparent or translucent, armed or not. For example, the removable panels 31 may have a solar factor g between 60% and 100%. Preferably, the weight of a removable panel 31 is between 50 and 300g / m ² . Removable panels 31 may be made of polymer, such as polyvinyl chloride, polyurethane, polyethylene, polyethylene-vinyl acetate or the like. Removable panels 31 may also be made of fluoropolymers, such as polyethylene-co-tetrafluoroethylene, polyvinylidene fluoride or the like. Such removable panels 31 allow to let the sun rays to contribute to the warming of the water contained in the basin by the greenhouse effect. For winter use, the material of the removable panel 31 will be selected from a flexible material, opaque or semi-opaque, armed or not. Such a choice makes it possible to stop the sun's rays and to avoid the proliferation of algae. The complementary functional module 30 may be formed of a plurality of removable panels 31 of the same nature or of different nature. In the illustrated example, the removable panels 31 are assembled together and to the panels 21 of the security module 20 by reversible assembly means 50 which will be described in the following description. The latter make it possible to modulate the structure of the complementary functional module 30 according to the needs and / or the seasons. Preferably, the removable panels 31 are interconnected in the same plane and are parallel to each other. In addition, the removable panels 31 are rectangular and it follows that the complementary functional module 30 also has a rectangular shape.

The reversible assembly means 50, illustrated in particular in figure 2 , are formed, on the one hand, of an elongate mounting member consisting of a transverse section 51 having three guide zones 52, and, on the other hand, of three sliding members 53. The elongate mounting member is intended to extend in a direction transverse to said covering device 10 between two opposite edges of the technical frame 40. The sliding members 53 are arranged on the security module 20 and on the complementary functional module 30. Indeed, the transverse section 51 and the sliding members 53 are separate parts and separated from each other. However, the sliding members 53 are arranged to cooperate with the guide zones 52 of the transverse section 51. In a variant of the preferred invention, the reversible assembly means 50 may be formed, on the one hand, of a profile transverse 51 having three guide zones, and, on the other hand, three sliding members. According to a variant not shown, the reversible assembly means 50 may be formed, on the one hand, of a transverse section 51 comprising four guide zones, and, on the other hand, of four sliding members. According to yet another variant not shown, the assembly means 50 can be formed, on the one hand, of a transverse section 51 fixed directly to the security module 20 irreversibly and comprising two guide zones, and, d on the other hand, two sliding organs. In the latter case, only the complementary functional module 30 comprises the sliding members and the assembly of the complementary functional module 30 to the security module 20 remains reversible.

The transverse section 51 may be a hollow and elongated piece as shown in FIGS. figures 1 , 2 , 4 and 6 . However, the transverse section 51 could also be full. It comprises two opposite lateral faces 51a, 51b, a lower face 51c and an upper face 51d which are opposite. The lateral faces 51a, 51b and the lower face 51c each comprise a guide zone 52. In the example illustrated, the guide zone consists of a longitudinal groove 52 which is mediator. The upper face 51d has no guide zone 52 and is curved to improve its aesthetics and increase its resistance. Indeed, the upper face 51d is completely visible in the covering device 10. The lower and upper faces 51c and 51d are therefore not parallel to each other and the length of the lower face 51c is smaller than the length of the upper face 51d , to increase the flexural strength of the transverse section 51. As illustrated by FIG. figure 4 the transverse sections 51, forming in this example the elongated mounting member, extend over the security module 20 in a direction transverse to the module of security 20 between two opposite edges of said technical frame 40. The transverse sections 51 are arranged at a regular interval which corresponds substantially to the width of the panels 21. This plurality of transverse profiles 51 acts as a frame allowing, on the one hand , to support the security module 20 and, secondly, to stiffen the security module 20. This results in increased security. This configuration also makes it possible to increase the voltage of the security module 20. It is thus possible to prevent the security module 20 from coming into contact with the water of the pool, when the covering device 10 is arranged above of a basin. This configuration is also particularly advantageous when the panels 21 of the security module 20 consist of nets which are flexible materials. It is thus possible to avoid the use of armed tarpaulin while preserving the safety of people. It is thus also possible to limit the use of securing means 60 and tensioning 61 which will be described in the following description at the level of the technical framework 40, which is not the case in the prior art cited. It also reduces the size around the covering device 10 and therefore the basin.

The sliding members 53 are preferably made of slings as illustrated by the figures 2 , 3 and 6 or rushes (not shown). The security module 20 comprises a plurality of sliding members 53 extending in a direction transverse between two longitudinal edges 20a, 20b of the panels 21 of said security module 20, as represented by FIG. figure 3 . In particular, each sliding member 53 is disposed on the upper face of the strip 22 and in its longitudinal direction. Such a configuration makes it possible to arrange each sliding member 53 between two adjacent panels 21. The sliding members 53 of the security module 20 are received in the guide zones 52 of the respective lower faces 51c of the transverse sections 51, as illustrated in FIGS. figures 2 and 4 . Preferably, locking means (not shown), for example, nuts entering the grooves and coming to lock by means of a set screw or a pin, allow to immobilize the transverse profiles 51 on each sliding member 53. It is thus avoided that the transverse profiles 51 slide on the sliding members 53 after assembly. In an embodiment variant illustrated in figure 5 , it is possible to provide an anti-wear profile 221 of flexible material on the lower face of the strip 22 and preferably over the entire length of the strip 22. For example, the anti-wear profile 221 may be made of polyurethane flexible vinyl and can be attached to the band 22 by welding, gluing or sewing. Such an anti-wear profile 221 makes it possible to limit the wear of the security module 20 on the copings (not shown) disposed around the pool or on the beach (not represented) and avoids marking the borders or the beach.

The removable panels 31 of the complementary functional module 30 each comprise two sliding members 53, as illustrated by FIG. figure 7 . A first slide member 53 is disposed along a first longitudinal edge 31a and a second slide member 53 is disposed along a second longitudinal edge 31b. The lateral edges 31c, 31d are free. The sliding members 53 of two adjacent removable panels 31 are received in the guide zones 52 of the opposite lateral faces 51a, 51b of the transverse profile 51, as illustrated by FIG. figure 2 . As a result, the complementary functional module 30 is formed of a plurality of removable panels 31 assembled together by the reversible assembly means 50. Advantageously, the sliding members 53 of the removable panels 31 can thus slide along the guide zones. 52 transverse profiles 51, which allows to move the removable panels 31 by performing a simple translational movement along the cross sections 51 forming in this example the elongated mounting member. A removable panel 31 can thus be removed from the edge of the pool by pulling on the edge of the removable panel 31. This configuration makes it very easy to handle the removable panels 31 of the complementary functional module 30. This avoids walking on the covering device 10 to assemble or disassemble removable panels 31.

To further facilitate the handling of the removable panels 31, it is possible according to one embodiment of the invention to provide the removable panels 31 holes may or may not be provided with eyelets. Such holes are arranged to receive a hook (not shown) connected to a strap (not shown). This allows the user to position himself on the edge opposite the removable panel 31 and pull on the strap to assemble it to the transverse profiles 51.

Thus, the reversible assembling means 50 make it possible on the one hand to assemble the removable panels 31 together and, on the other hand, to assemble the complementary functional module 30 to the security module 20. More particularly, the assembly means 50 allow to assemble the removable panels 31 of the complementary functional module 30 to one or more panels 21 of the security module 20.

The covering device 10 also comprises a technical frame 40 disposed around the periphery of said at least one panel 21. This technical frame 40 is formed of a plurality of flexible elements 42 fixed to the periphery of said at least one panel 21 of the module. 20. Preferably, the fixing is carried out by thermo-welding or sewing. The technical frame 40 has on its two longitudinal and opposite edges, between the transverse sections 51, flaps 43 foldable on the technical frame 40. Preferably , the flaps 43 are fixed to the technical frame 40, for example by welding. As shown in Figure 1B , the flaps 43 and the technical frame 40 respectively comprise the male and female parts of snap fasteners 44 arranged to close through oblong holes 32 provided on the two free edges 31c, 31d of the removable panels 31 of the complementary functional module 30. Of course, any other reversible attachment means may be suitable such as buttons, hooks or others.

Such fastening means make it possible to easily fix the removable panels 31 of the complementary functional module 30 to the technical frame 40. The oblong holes 32 facilitates the positioning and the clearance of play of each removable panel 31 with respect to the snaps 44. As a result, the complementary functional module 30 is assembled to the technical frame 40 in a reversible manner simply and quickly. The technical frame 40 also comprises two transverse sections 51 disposed respectively at the opposite lateral ends of the technical frame 40 and extending in a transverse direction between the opposite longitudinal edges of the technical frame 40.

The technical framework 40 also comprises securing means 60 and tensioning 61. The tensioning means may consist of straps 61. The securing means may consist of a ring 61 that can cooperate with a peak (no represented) planted around the pond.

In a variant of the invention not shown, the reversible assembly means 50 may be formed, on the one hand, of a transverse section 51 comprising four guide zones, and, on the other hand, of four sliding members. . In this case, the security module 20 comprises a plurality of panels 21 assembled together by the transverse sections 51. In this variant, the panels of the security module are no longer assembled thermo-welding as in the previous variant, but are removable. The lateral faces of the transverse profiles 51 each comprise two guide zones which consist of two longitudinal grooves. The lower and upper faces have no guide zone. More particularly, on the one hand, two first guide zones are arranged on two opposite lateral faces of said profile, in the same plane parallel to and above said security module and are arranged to receive reversibly the sliding members of two panels. adjacent to the complementary functional module. On the other hand, two second guide zones are arranged on said opposite lateral faces of said profile, in the same plane and under the first guide zones and are arranged to reversibly receive the sliding members of two adjacent panels of the security module. .

Possibilities of industrial application :

It is clear from this description that the invention makes it possible to achieve the goals set, namely to propose an industrializable constructive solution to offer an easily scalable solution according to the seasons, ensuring the safety of people, manipulated by a single person, easy to store.

The present invention is not limited to the embodiment described but extends to any modification and variation obvious to a person skilled in the art.

Claims (24)

1. Covering device (10) for a basin, in particular a swimming pool or the like, comprising a safety module (20) and a complementary functional module (30) arranged in two parallel and distinct planes, said safety module (20) comprising at least one panel (21) mounted on a technical frame (40) arranged to hold said at least one panel (21) and defining a central opening (41) arranged for being located substantially above said basin, and said complementary functional module (30) being at least partly superimposed on safety module (20) to cover at least partly said central opening (41), said complementary functional module (30) comprising moreover a plurality of detachable panels (31) which are reversibly joined to each other, said technical frame (40) comprising, on the one hand, tensioning means (60) that allow tensioning said covering device (10) and, on the other hand, attaching means (61) for attaching said covering device (10), characterized in that said covering device (10) comprises joining means (50) arranged for reversibly joining said detachable panels (31) of said complementary functional module (30) on the one hand to each other and on the other hand to said at least one panel (21) of said safety module (20).
2. Covering device according to claim 1, characterized in that said joining means (50) comprise at least one elongated mounting element that extends in a direction transverse to said covering device (10) between two opposite edges of said technical frame (40).
3. Covering device according to claim 2, characterized in that said at least one panel (21) of safety module (20) comprises a plurality of elongated mounting elements which are arranged substantially parallel to each other.
4. Covering device according to claim 3, characterized in that each detachable panel (31) of complementary functional module (30) is mounted so as to be movable in translation between two adjacent elongated mounting elements, which are integral with said at least one panel (21) of said safety module (20).
5. Covering device according to claims 2 to 4, characterized in that joining means (50) comprise said at least one elongated mounting element made of at least one transverse profile (51) provided with at least two longitudinal guidance areas (52), in that joining means (50) comprise at least two sliding elements (53) with shapes complementary to said guidance areas (52), said two sliding elements (53) being connected to said complementary functional module (30), and in that said transverse profile (51) is connected to said safety module (20), said guidance areas (52) and said sliding elements (53) being arranged to cooperate with each other in a reversible way.
6. Covering device according to claim 5, characterized in that joining means (50) are reversible and in that said transverse profile (51) is provided with at least three longitudinal guidance areas (52), and with at least three sliding elements (53) with shapes complementary to said guidance areas (52), and of which at least two sliding elements (53) are connected to said complementary functional module (30) and at least one sliding element (53) is connected to said safety module (20).
7. Covering device according to any of claims 5 or 6, characterized in that it comprises at least a plurality of said transverse profiles (51) extending over safety module (20) in a direction transverse to said safety module (20) between two opposite edges of said technical frame (40) and in that detachable panels (31) of said complementary functional module (30) are arranged each at least partly between two adjacent transverse profiles (51).
8. Covering device according to claim 6, characterized in that said safety module (20) comprises at least a plurality of sliding elements (53) extending in a transverse direction between two opposite edges (20a, 20b) of said safety module (20) and arranged to cooperate with one of guidance areas (52) of said transverse profile (51).
9. Covering device according to claim 6, characterized in that the safety module comprises a plurality of panels comprising each two sliding elements located respectively along two opposite edges and arranged to cooperate with two of the guidance areas (52) of said transverse profile (51).
10. Covering device according to any of claims 5 or 6, characterized in that safety module (20) comprises a plurality of panels (21) and in that at least two adjacent panels (21) are welded together by means of a tape (22) connecting their adjacent edges and in that said tape (22) comprises one of the sliding elements (53) or said transverse profile (51).
11. Covering device according to claim 10, characterized in that tape (22) comprises an anti-wear profile (221) arranged on the lower side of said tape (22) and on the whole or on a part of the length of said tape (22).
12. Covering device according to claim 5 or 6, characterized in that said detachable panels (31) of said complementary functional module (30) comprise each two sliding elements (53) located respectively along two opposite edges (31a, 31b) and arranged to cooperate with two of the guidance areas (52) of two adjacent transverse profiles (51).
13. Covering device according to claims 6 to 8 and 10 to 12, characterized in that said transverse profile (51) comprises three guidance areas (52), in that two guidance areas (52) are located on two opposite lateral sides (51a, 51b) of said transverse profile (51), in a same parallel plane and above said safety module (30), and are arranged to reversibly receive the sliding elements (53) of two adjacent detachable panels (31) of complementary functional module (30), and in that one guidance area (52) is located on lower side (51c) of said transverse profile (51) and is arranged to receive a sliding element (53) of said safety module (20).
14. Covering device according to claims 6 to 9, 11 and 12, characterized in that said transverse profile comprises four guidance areas, in that two first guidance areas are located on two opposite lateral sides of said transverse profile, in a same parallel plane and above said safety module, and are arranged to reversibly receive the sliding elements of two adjacent detachable panels of the complementary functional module, and in that two second guidance areas are located on said opposite lateral sides of said profile, in a same plane and below first guidance areas, and in that they are arranged to reversibly receive the sliding element of two adjacent panels of the safety module.
15. Covering device according to any of claims 5 to 14, characterized in that said guidance areas are made of longitudinal grooves (52) and the sliding elements are made of bolt ropes (53) or rods.
16. Covering device according to claim 1 or 5, characterized in that said technical frame (40) comprises first fastening means (44) distributed on peripheral frame (40) and in that detachable panels (31) of complementary functional module (30) comprise on their free edges second fastening means (32) complementary to said first fastening means (44).
17. Covering device according to claim 16, characterized in that technical frame (40) comprises, on its two opposite edges, between transverse profiles (51), tilting flaps (43), said tilting flaps (43) and said technical frame (40) being provided with said first fastening means made of snap fasteners (44), and in that said second fastening means provided on the two free edges of detachable panels (31) comprise oblong holes (32) through which said snap fasteners (44) close.
18. Covering device according to any of claims 5 to 17, characterized in that the two opposite lateral sides (51a, 51b) of said transverse profile (51) are flat and not parallel to each other, in that lower side (51c) of said transverse profile (51) is flat and in that upper side (51d) of said transverse profile (51) is curved.
19. Covering device according to claim 1, characterized in that detachable panels (31) can be made out of polymers or fluoropolymers chosen in the group including polyvinyl chloride, polyurethane, polyethylene, polyethylene-vinyl acetate, polyethylene-co-tetrafluoroethylene, polyvinylidene fluoride.
20. Covering device according to claim 1, characterized in that said detachable panel (31) has a solar factor g comprised between 60% and 100%.
21. Covering device according to claim 1, characterized in that the weight of said detachable panel (31) is comprised between 50 and 300g/m².
22. Covering device according to claim 1, characterized in that said detachable panel (31) comprises at least one hole arranged for receiving a hook fastened to a strap.
23. Covering device according to claim 1, characterized in that panel (21) of safety module (20) is a net out of polyester coated with polyvinyl chloride whose meshes show a free area / mesh size ratio larger than 50%.
24. Covering device according to claim 23, characterized in that said net comprises fixed warp/weft junctions.

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