Continuous railing with adjustable base plate

Abstract

Continuous guardrail (1) comprising a continuous bottom rail (3) and a top rail for a handrail, wherein the continuous bottom rail has at least one anchor hole (36) for an anchor screw (5) in a support and beneath which is provided a plate (7) having at least one central hole (70) for the passage of the anchor screw, and support members (8) movably mounted in peripheral holes formed in the plate (7) and aligned with access holes (37) formed in the continuous bottom rail, and wherein each of the support members is selectively and independently movable between a retracted position inside the corresponding peripheral hole without protruding from an underside of the plate, and extended positions outside the peripheral hole, protruding from the underside of the plate, by distinct extension distances. (See abstract figure: Figure 3)

Description

Title of the invention: Continuous guardrail with adjustable base plate technical field

[0001] The invention relates to a continuous guardrail comprising a continuous lower rail and a top rail for a handrail. Previous technique

[0002] In a known manner, a guardrail is fixed to a support, such as a roof, a terrace or a low wall, and includes a bottom rail (in the lower part) and a top rail (in the upper part) to form or support a handrail.

[0003] Classically, the guardrail includes brackets anchored to the support and which include sleeves inside which vertical posts are housed; the bottom rail and the top rail are fixed by stirrups to the vertical posts and infill elements are fixed between the vertical posts, such as bars and panels (glass panels, metal panels, openwork or solid panels, etc.).

[0004] The height of the shoes is adapted so that the sleeves offer sufficient depth to receive the vertical posts so that the latter form the stiffening elements capable of ensuring a rigidity to the guardrail which complies with the regulations and safety standards in force.

[0005] However, with this type of guardrail, the bottom rail must imperatively be fixed above the brackets, so that this bottom rail is separated from the support by a distance at least equal to the height of the brackets.

[0006] This spacing results in the presence of a void under the bottom rail, between the support and the bottom rail, which must be less than a minimum regulatory distance, for example 110 millimeters in the context of the French standard NF P 01-012.

[0007] There is a need to reduce this gap, both for safety reasons (to be below the minimum regulatory distance) and also for aesthetic reasons.

[0008] It is thus known, for example from document FR3137696A1, to propose a continuous railing which includes a continuous bottom rail, that is to say, a bottom rail which is fixed directly to the support, and which includes balusters fixed between the bottom rail and the top rail, and where the continuous bottom rail has anchor holes allowing the passage of anchor screws (also called fixing plugs) for anchoring in the support. These balusters serve both as infill elements and as stiffening elements.

[0009] Such a continuous guardrail also includes plates (also called wedges), provided under the anchor holes, and having holes for the passage of the anchor screws.

[0010] These plates are thus interposed between the continuous bottom rail and the support, at the level of the anchoring screws, so as to leave a slight gap allowing the evacuation of rainwater or runoff.

[0011] However, the continuous guardrail poses several problems, including that of adjusting the horizontality of the top rail or handrail.

[0012] Because the support is generally not perfectly flat and / or horizontal, it is indeed necessary to use additional shims of varying thicknesses, which have notches that engage around the anchor screws, between the continuous bottom rail and the plates. This additional shim work is tedious and lengthens the installation time.

[0013] Another problem arises from the fact that all the forces are transmitted by the bars to the continuous bottom rail, which therefore works in torsion. To withstand these forces, the continuous bottom rail must have suitable inertia, and it is therefore common to use a tubular profile, as described for example in document FR3137696A1.

[0014] However, such tubular profiles present risks of deformation (or crushing) when tightening the anchor screws, thus affecting the horizontality of the handrail, the aesthetics and the rigidity.

[0015] Furthermore, when a force is applied to the tops of the bars, for example under the effect of a push against the top rail or handrail, this force is transmitted to the continuous bottom rail which is simply placed on the additional plates and / or shims, so that the continuous bottom rail is likely to deform and detach from the additional plates and / or shims; which has the effect of impairing the horizontality of the handrail and the rigidity of the continuous guardrail. Summary of the invention

[0016] The invention aims to remedy in whole or in part the aforementioned disadvantages by proposing a continuous guardrail which includes a plate allowing easy adjustment of the horizontality of the handrail.

[0017] Another objective of the invention is to reduce, or even avoid, the risk of the continuous lower rail detaching from the plate.

[0018] To this end, the invention proposes a continuous guardrail comprising a continuous lower rail and a top rail for a handrail, wherein the continuous lower rail has at least one anchoring hole allowing the passage of an anchoring screw for anchoring in a support and beneath which is provided a plate having a bottom face, a top face and at least one central hole opening into the bottom face and the top face for the passage of the anchoring screw.

[0019] This continuous guardrail is remarkable in that it comprises support members mounted movably in peripheral holes made in the plate and opening into the lower and upper faces, where these peripheral holes are aligned with access holes made in the continuous lower rail, and where each of the support members is selectively and independently movable between a retracted position inside the corresponding peripheral hole without protruding from the lower face of the plate, and deployed positions outside the peripheral hole protruding from the lower face of the plate according to distinct deployment distances.

[0020] Thus, thanks to these support members which are accessible from the access holes provided in the continuous bottom rail, it is possible to adjust the deployment distances of the different support members and therefore to adjust the inclination of the plate, as well as the spacing between the plate and the support.

[0021] Indeed, when a support member is in the deployed position, this support member will partially and more or less detach the lower face of the plate from the support; on the other hand, when it is in the retracted position, the plate remains partially in contact with the support.

[0022] Thus, by playing on the deployment distances of the different support elements, the installer can therefore adjust the spacing between the plate and the support and / or the inclination of the plate, so as to ultimately adjust the horizontality of the handrail, despite any defects in flatness and / or horizontality of the support.

[0023] Moreover, the inclination of the plate with respect to the support corresponds to an inclination in a three-dimensional space, which can be defined for example by two angles of inclination in two respective reference planes, which allows a fine adjustment which is not possible to obtain with conventional additional shims.

[0024] In the sense of the invention, it is provided that each support member, when in a deployed position, is locked in this deployed position in the sense that it cannot move back (i.e., enter the corresponding peripheral hole) when this support member comes to rest against the support, unless of course the installer acts on this support member (in particular by means of a dedicated tool) to make it move back.

[0025] It should be noted that the plate or each plate can be associated with a single anchor screw and, in this case, the plate or each plate includes a central hole aligned with an anchor hole in the continuous bottom rail to be passed through by the anchor screw.

[0026] Alternatively, the plate or plates can be associated with several anchor screws, for example two anchor screws, and in this case, the plate or plates comprise several central holes aligned over several anchor holes of the continuous bottom rail to be passed through by the several respective anchor screws.

[0027] According to one feature, each of the support members is selectively movable by screwing by having a threaded rod having an upper end accessible from the corresponding access hole in the continuous lower rail, and a lower end which does not protrude from the lower face of the plate in the retracted position, and which protrudes from the lower face of the plate in the deployed positions.

[0028] In this way, each support member is moved from its retracted position to a deployed position by screwing, providing for example that each turn of screwing corresponds to a given step in the deployment distance.

[0029] It should be noted that such screwing prevents the recoil of the support members, without the direction of a return in the peripheral holes, when the support members come to rest against the support.

[0030] According to one possibility, the upper end of the threaded rod is provided with a male or female recess suitable for cooperating with a screwing / unscrewing tool.

[0031] Thus, the installer simply needs to engage the screwing / unscrewing tool (manual or motorized) through the access holes, to cooperate with the impressions of the support members in order to be able to screw / unscrew them.

[0032] According to another possibility, the lower end of the threaded rod is provided with a male or female recess suitable for cooperating with a screwing / unscrewing tool.

[0033] Thus, the support members can be screwed into the peripheral holes from below (i.e. from the side of the lower face), so as to be in place and in a retracted position before use.

[0034] According to another possibility, the lower end of the threaded rod includes an enlarged head which is abutted against an internal shoulder formed in the corresponding peripheral hole when the support member is in the retracted position.

[0035] In this way, the support members can be screwed into the peripheral holes until their enlarged heads are against the internal shoulders of the various peripheral holes, so that they are all in the retracted position before use.

[0036] In a particular embodiment, the lower face of the continuous lower rail has at least one longitudinal groove along its entire length, and the plate has at least one tongue on its upper face which is mounted to slide inside at least one longitudinal groove.

[0037] Thus, it is enough to slide the plate (and more specifically at least one tab of the plate) into the longitudinal groove of the continuous bottom rail until it reaches the required position, facilitating its placement.

[0038] Advantageously, the at least one longitudinal groove comprises two longitudinal grooves formed on either side of the at least one anchoring hole, and the less than one tongue comprises two tongues mounted to slide inside the two respective longitudinal grooves.

[0039] In other words, it is enough to slide the plate (and more specifically the two tabs of the plate) into the two respective longitudinal grooves of the continuous bottom rail until the required position.

[0040] In a particular embodiment, the peripheral holes are provided in at least one tongue, and the access holes are provided in at least one longitudinal groove.

[0041] According to one possibility, at least one longitudinal groove has two retaining lips opposite each other, and at least one tongue has two lateral slots in which the two respective retaining lips are engaged.

[0042] Thus, each longitudinal groove has a C-shaped cross-section, with retaining lips at the ends of the C that provide a retaining function for the mounting plate, or in other words, hold each tongue in the longitudinal groove without risk of it coming loose. This configuration prevents the continuous bottom rail from separating from the mounting plate, with the torsional forces on the continuous bottom rail being transferred to the longitudinal groove(s).

[0043] According to another possibility, the continuous guardrail includes at least one joining piece for a butt joint between one end of the continuous bottom rail and one end of another continuous bottom rail, said joining piece being slid and fixed inside at least one longitudinal groove.

[0044] Thus, thanks to this conformation, at least one longitudinal groove allows to receive such a joining piece and therefore allow a butt joint without discontinuity between two continuous lower rails, therefore a joint which is both aesthetic and rigid.

[0045] The or each joining piece can be shaped for a straight joining (the bottom continuous rails are therefore oriented in the same directions) or an angled joining (the bottom continuous rails are therefore oriented in non-parallel directions and therefore form a non-zero angle between them).

[0046] In an advantageous embodiment, the continuous guardrail includes at least one finishing cap for closing one end of the continuous bottom rail, said finishing cap including at least one fixing finger which is slid and fixed inside at least one longitudinal groove.

[0047] Thus, thanks to this conformation, at least one longitudinal groove allows such a finishing cap to be received for an aesthetic finish of the ends of the continuous lower rails.

[0048] According to one possibility, there are three or more support members, and for example four in number.

[0049] Indeed, with three or four support members, the number of support points on the support is multiplied, and therefore the possibilities of inclination and adjustment of the plate with respect to the support, and therefore the precision in adjusting the horizontality of the handrail.

[0050] According to another possibility, the continuous guardrail comprises several plates arranged under the continuous lower rail and spaced apart from each other.

[0051] In other words, several plates conforming to the one described above are placed under the continuous lower rail. Brief description of the drawings

[0052] Other features and advantages of the present invention will become apparent from the following detailed description, with non-limiting examples of implementation, made with reference to the accompanying figures in which:

[0053] [Fig.l] is a schematic side view of a continuous railing on a terrace-type support (left) and on a parapet or low wall-type support (right);

[0054] [Fig.2] is a schematic view of the continuous guardrail of [Fig.1], zoomed in on one turntables and on the continuous lower rail;

[0055] [Fig.3] is a schematic perspective and exploded view of the lower part of the continuous guardrail of the [Fig.l];

[0056] [Fig.4] is a schematic cross-sectional and transparent view of a plate and the continuous lower rail of the continuous guardrail of the [Fig.l], with one of the support members in the deployed position to provide an inclination at an angle of 3 degrees to the plate;

[0057] [Fig.5] is a schematic perspective view illustrating the implementation of a plate under the continuous lower rail;

[0058] [Fig.6] is a schematic top perspective view in transparency of a plate mounted under the continuous lower rail between two bars;

[0059] [Fig.7] is a schematic perspective view from below and in partial transparency of a plate mounted under the continuous lower rail between two bars;

[0060] [Fig.8] is a schematic perspective view of a single support member in the form of a screw;

[0061] [Fig.9] is a schematic perspective view of a screwing / unscrewing tool used to screw / unscrew one of the support elements in order to adjust the inclination and / or spacing of one of the plates;

[0062] [Fig. 10] is a schematic view equivalent to that of [Fig. 9] but in transparency; and

[0063] [Fig. 11] is a schematic perspective top view in transparency of an alternative embodiment with two anchor screws which pass through the same plate and with a bar fixed on the continuous bottom rail and on the plate;

[0064] [Fig. 12] is a schematic perspective view from below of the variant of [Fig.11];

[0065] [Fig. 13] is a schematic perspective view of two flat lower rails ready to be joined end to end and in alignment by means of two straight joining pieces;

[0066] [Fig. 14] is a schematic perspective and transparency view of two flat lower rails joined end to end at right angles by means of two right-angled joining pieces;

[0067] [Fig. 15] is a schematic perspective and transparency view of two flat lower rails joined end to end at an angle of 150 degrees by means of two variable angle joining pieces;

[0068] [Fig. 16] is a schematic perspective view of the end of a continuous lower rail ready to receive a finishing cap (top) and after having been closed by this finishing cap (bottom).

[0069] [Detailed description of several embodiments of the invention]

[0070] With reference to [Fig. 1], a continuous guardrail 1 comprises a continuous lower rail 3 and a top rail 2 for a handrail, as well as several bars 4 fixed between the continuous bottom rail 3 and the top rail 2; these bars 4 each having a lower end fixed on the continuous bottom rail 3 and an upper end fixed on the top rail 2.

[0071] In the example of Figures 11 and 12, the continuous guardrail 1 also includes, in addition to the bars 4, stiffening uprights 40 fixed between the continuous bottom rail 3 and the top rail 2; these stiffening uprights 40 each having a lower end fixed on the continuous bottom rail 3 and an upper end fixed on the top rail 2.

[0072] The continuous bottom rail 3 is formed from a profile having:

[0073] - a platform 30 having an upper face 31 on which the bars are fixed 4 (and possibly also the stiffening uprights 40), and a lower face 32 opposite the upper face 31; - two longitudinal grooves 33 provided on the lower face 32 and arranged on the two respective longitudinal edges (right edge and left edge) of the plate 30.

[0074] These longitudinal grooves 33 are each delimited by two opposite wings which protrude from the lower face 32 of the plate 30. Each of the two longitudinal grooves 33 has two retaining lips 34 opposite each other; in this case the two wings terminate with folded edges which form these two retaining lips 34.

[0075] Holes 35 are provided in the plate 30 either for the passage of screws 41 used to fix the bars 4 from below, or for the passage of screws 410 used to fix the stiffening uprights 40 from below; each bar 4 being fixed on the continuous bottom rail 3 by means of one or two screws 41 depending on the bar model.

[0076] In the example of Figures 3, 6, 7, 9 and 10, the bars 4 of the continuous guardrail 1 are fixed by two screws 41.

[0077] In the example of Figures 11 and 12, the bars 4 are fixed by a screw 41, and the stiffening uprights 40 are fixed by two screws 410.

[0078] The bars 4 have a lower resistance than the stiffening uprights 40. Similarly, the screws 41 used to fix the bars 4 have a lower resistance than the screws 410 used to fix the stiffening uprights 40. These stiffening uprights 40, together with their screws 410, serve to resist forces that the bars 4, together with their screws 41, could not withstand alone.

[0079] The continuous bottom rail 3 has anchoring holes 36 provided in the plate 30 and each allowing the passage of an anchoring screw 5 for anchoring in a support 6, such as a terrace floor or roof terrace in the example of [Fig.1] on the left, or a low wall or a parapet in the example of [Fig.1] on the right.

[0080] The anchor holes 36 open between the two longitudinal grooves 33, halfway between these two longitudinal grooves 33. The anchor screw 5 can be a screw equipped with a head, or be a headless anchor stud which cooperates with a nut 50.

[0081] In the example of Figures 3, 6, 7, 9 and 10, the anchor holes 36 are regularly spaced from each other. In the example of Figures 11 and 12, the anchor holes 36 are arranged in pairs, and the pairs of anchor holes 36 are regularly spaced from each other.

[0082] The continuous lower rail 3 has access holes 37 provided in the plate 30 and allowing the passage of a screwing / unscrewing tool 9 (as seen in Figures 9 and 10 and which is for example a hex key or a screwdriver).

[0083] The access ports 37 are of four numbers and they include two access ports 37 which open into one of the two longitudinal grooves 33 and two other access ports 37 which open into the other of the two longitudinal grooves 33. The access ports 37 are distributed at the four corners of a fictitious rectangle.

[0084] The continuous guardrail 1 also includes, under the anchor holes 36, plates 7 spaced apart from each other and used to hold the continuous lower rail 3 on the support 6.

[0085] In the example of Figures 3, 6, 7, 9 and 10, each plate 7 (called the first plate 7) is placed under a single anchoring hole 36. In the example of Figures 11 and 12, each plate 7 (called second plate 7 in the rest of the description) is placed under a pair of anchoring holes 36.

[0086] Within the continuous guardrail 1, the plates 7 are identical and are all formed of profiles, which are shorter than the continuous bottom rail 3.

[0087] Each plate 7 has a lower face 72 pressed against the support 6, and an upper face 71 opposite the lower face 72; the lower face 32 of the continuous lower rail 3 being pressed against the upper face 71 of the plate 7.

[0088] Each plate 7 has at least one central hole 70 opening into the lower face 72 and the upper face 71 for the passage of the corresponding anchoring screw 5. Thus, the first plate 7 has a single central hole 70, while the second plate 7 has two central holes 70.

[0089] In position, the central hole or each central hole 70 is aligned with one of the anchor holes 36 provided in the continuous bottom rail 3. When the plate 7 is in place, the central hole or each central hole 70 is aligned with the corresponding anchor hole 36.

[0090] Each plate 7 also has four peripheral holes 73 with internal threads; these peripheral holes 73 open into the lower face 72 and the upper face 71. Each plate 7 is substantially rectangular in shape and has four corners at which the peripheral holes 73 are located. When the plate 7 is in place, the peripheral holes 73 are aligned with the access ports 37.

[0091] The continuous guardrail 1 also includes support members 8 mounted movably in the peripheral holes 73 of each plate 7, and therefore it includes four support members 8 per plate 7.

[0092] For each plate 7, each support member 8 is screwed into the corresponding peripheral hole 73, and is therefore selectively movable by screwing.

[0093] Each support member 8 has a threaded rod 80 having an upper end 81 in which a female recess 82 is provided, and this upper end 81 is accessible from the corresponding access hole 37 in the continuous lower rail 3.

[0094] This recess 82 is suitable for cooperating with the screwing / unscrewing tool 9, so that an operator can introduce this screwing / unscrewing tool 9 through the access hole 37 (therefore from the top of the continuous lower rail 3) and thus reach the recess 82 in order to screw / unscrew the support member 8.

[0095] The threaded rod 80 has a lower end comprising an enlarged head 83 in which a female recess 84 is formed for use with the same tightening / loosening tool 9, or with another tightening / loosening tool. Thus, the operator can tighten / loose the support member 8 before the plate 7 is placed on the support 6.

[0096] Each of the support members 2 is selectively and independently movable between: - a retracted position inside the corresponding peripheral hole 73 without protruding from the lower face 72 of the plate 7 (this retracted position corresponding to the position of the support member 7 on the right in [Fig. 4]); and - deployed positions outside the corresponding peripheral hole 73, extending beyond the lower face 72 of the plate 7 by distinct deployment distances (one of these deployed positions corresponding to the position of the support member 7 on the left in [Fig.4]).

[0097] In the retracted position, the enlarged head 83 located at the lower end of the threaded rod 80 does not protrude from the lower face 72 of the plate 7, and this enlarged head 83 abuts against an internal shoulder 730 formed in the corresponding peripheral hole 73. Thus, before the plate 7 is installed, each support member 8 is screwed into the corresponding peripheral hole 73 until the enlarged head 83 abuts against the internal shoulder 730.

[0098] In the deployed positions, the enlarged head 83 located at the lower end of the threaded rod 80 protrudes from the lower face 72 of the plate 7, so that this enlarged head 83 comes to rest against the support 6, thus temporarily separating the plate 7 from the support 6, which makes it possible, for example, to compensate for a slope or a non-horizontal or a lack of flatness of the support 6.

[0099] In [Fig.4], the support member 8 on the right is in its retracted position, and the support member 8 on the left is deployed so as to obtain an inclination of 3 degrees between the lower face 72 of the plate 7 and the support 6.

[0100] Each plate 7 also has, on its upper face 71, two tabs 74 which are of complementary shapes to those of the two longitudinal grooves 33 so that these tabs 74 can be mounted sliding inside these two respective longitudinal grooves 33.

[0101] The peripheral holes 73 are provided in the tabs 74, in other words two peripheral holes 73 go through one of the two tabs 74 and two other peripheral holes 73 go through the other of the two tabs 74.

[0102] Each tongue 74 has two lateral slots 75 in which the two retaining lips 34 of the respective corresponding longitudinal groove 33 are engaged, which prevents the continuous bottom rail 3 from lifting once the tongues 74 are engaged in the two respective longitudinal grooves 33.

[0103] Thus, the operator can slide each plate 7 into the two longitudinal grooves 33 of the continuous bottom rail 3, as shown schematically by the arrows in [Fig. 5], until each plate 7 is in position under the relevant central hole 70, or under the relevant pair of central holes 70. Then the operator can place the anchor screws 5 without fully tightening them, in order to be able to adjust the positions of the different support elements 8 using the wise screw / unwise screw tool 9 to adjust the position of the plate 7 and thus adjust the horizontality of the top rail 2. Once this adjustment has been made for each plate 7, the operator can finish tightening the anchor screws 5.

[0104] In the example of Figures 3, 6, 7, 9 and 10, each first plate 7 is placed between two bars 4.

[0105] In the example of Figures 11 and 12, the stiffening uprights 40 are fixed to the second plate 7 between the two anchor screws 5, by means of screws 410 fixed from below and passing through both the second plate 7 and the continuous bottom rail 3; each stiffening upright 40 being fixed by means of two screws 410. Furthermore, the bars 4 are fixed to the continuous bottom rail 3 between the stiffening uprights 40, by means of screws 41 fixed from below and passing through the continuous bottom rail 3. Thus, each second plate 7 is placed between two bars 4 and is surmounted by a stiffening upright 40. It should be noted that, in this variant of Figures 11 and 12, the stiffening uprights 40 are associated with bars 4 of low inertia, which are primarily infill elements.

[0106] As seen in Figures 13 to 15, the conformation of the continuous bottom rail 3 allows for a butt joint between two continuous bottom rails 3 in a contiguous manner, with or without an angle, thanks to joining pieces 810, 820, 830 ensuring a joint between one end 38 of the continuous bottom rail 3 and one end 38 of another continuous bottom rail 3.

[0107] To do this, there are two of these connecting pieces 810, 820, 830, and they are slid and fixed inside the two longitudinal grooves 33 of each of these two continuous lower rails 3. They can be fixed on the continuous lower rails 3 by means of screws 84 screwed from above through the plate 30.

[0108] In the example of [Fig. 13], the junction between the two continuous lower rails 3 is straight, using straight joining pieces 810.

[0109] In the example of [Fig. 14], the junction between the two continuous bottom rails 3 is at a right angle, using right-angled joining pieces 820. Thus, each right-angled joining piece 820 has two branches perpendicular to each other; one of the branches being engaged in the longitudinal groove 33 of the continuous bottom rail 3 and the other of the branches being engaged in the longitudinal groove 33 of the other continuous bottom rail 3.

[0110] In the example of [Fig. 15], the junction between the two continuous lower rails 3 is angled, using adjustable angle connecting pieces 830. Thus, each adjustable angle connecting piece 830 has two branches articulated together to allow their relative orientations to be adjusted and then locked; one of the branches being engaged in the longitudinal groove 33 of the bottom continuous rail 3 and the other of the branches being engaged in the longitudinal groove 33 of the other bottom continuous rail 3.

[0111] As seen in [Fig. 16], the conformation of the continuous bottom rail 3 allows a clean finish to be achieved on one end 38 of the continuous bottom rail 3, thanks to a finishing cap 85 which allows this end 38 of the continuous bottom rail 3 to be closed.

[0112] To do this, this finishing cover 85 includes two fixing fingers 86 which are slid and fixed inside the two longitudinal grooves 33. These fixing fingers 86 can be fixed onto the continuous lower rails 3 by means of screws 87 screwed over through the plate 30.

Claims

Demands

1. Continuous guardrail (1) comprising a continuous bottom rail (3) and a top rail (2) for a handrail, wherein the continuous bottom rail (3) has at least one anchor hole (36) for the passage of an anchor screw (5) for anchoring to a support (6) and beneath which is provided a plate (7) having a lower face (72), an upper face (71) and at least one central hole (70) opening into the lower face (72) and the upper face (71) for the passage of the anchor screw (5), said continuous guardrail (1) being characterized in that it comprises support members (8) movably mounted in peripheral holes (73) formed in the plate (7) and opening into the lower face (72) and the upper face (71), wherein said peripheral holes (73) are aligned with access holes (37) formed in the continuous lower rail (3),and where each of the support members (8) is selectively and independently movable between a retracted position inside the corresponding peripheral hole (73) without protruding from the lower face (72) of the plate (7), and deployed positions outside the peripheral hole (73) protruding from the lower face (72) of the plate (7) according to distinct deployment distances.

2. Continuous railing (1) according to claim 1, wherein the continuous bottom rail (3) has along its entire length at least one longitudinal groove (33), and the plate (7) has on its upper face (71) at least one tongue (74) which is mounted to slide inside at least one longitudinal groove (33).

3. Continuous guardrail (1) according to claim 2, wherein at least one longitudinal groove (33) comprises two longitudinal grooves (33) provided on either side of at least one anchoring hole (36), and at least one tongue (74) comprises two tongues (74) mounted to slide inside the two respective longitudinal grooves (33).

4. Continuous guardrail (1) according to claim 2 or 3, wherein the peripheral holes (73) are provided in at least one tongue (74), and the access holes (37) are provided in at least one longitudinal groove (33).

5. Continuous guardrail (1) according to any one of claims 2 to 4, wherein at least one longitudinal groove (33) has two retaining lips (34) opposite each other, and at least one tongue (74) has two lateral slots (75) in which the two respective retaining lips (34) are engaged.

6. Continuous railing (1) according to any one of claims 2 to 5, comprising at least one joining piece (810; 820; 830) for a butt joint between one end (38) of the continuous bottom rail (3) and one end (38) of another continuous bottom rail (3), said joining piece (810; 820; 830) being slid and fixed inside at least one longitudinal groove (33).

7. Continuous guardrail (1) according to any one of claims 2 to 6, comprising at least one finishing cap (85) for closing one end (38) of the continuous bottom rail (3), said finishing cap (85) comprising at least one fixing finger (86) which is slid and fixed inside at least one longitudinal groove (33).

8. Continuous guardrail (1) according to any one of the preceding claims, wherein each of the support members (8) is selectively movable by screwing by having a threaded rod (80) having an upper end (81) accessible from the corresponding access hole (37) in the continuous lower rail (3), and a lower end which does not protrude from the lower face (72) of the plate (7) in the retracted position, and which protrudes from the lower face (72) of the plate (7) in the deployed positions.

9. Continuous guardrail (1) according to claim 8, wherein the upper end (81) of the threaded rod (80) is provided with a recess (82), male or female, adapted to cooperate with a screwing / unscrewing tool (9).

10. Continuous guardrail (1) according to claim 8 or 9, wherein the lower end of the threaded rod (80) is provided with a recess (84), male or female, adapted to cooperate with a screwing / unscrewing tool (9).

11. Continuous guardrail (1) according to any one of claims 8 to 10, wherein the lower end of the threaded rod (80) comprises an enlarged head (83) which abuts against an internal shoulder (730) formed in the corresponding peripheral hole (73) when the support member is in the retracted position.

12. Continuous guardrail (1) according to any one of the preceding claims, wherein the support members (8) are three or more in number, and for example four in number. 15

13. Continuous railing (1) according to any one of the preceding claims, comprising several plates (7) arranged under the continuous lower rail (3) and spaced apart from each other.

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