FR2519052A1 - BALUSTRADE IN ADJUSTABLE PREFABRICATED ELEMENTS FOR PROTECTION AND DELIMITATION OF PLANED AND INCLINED SURFACES - Google Patents

Abstract

BALUSTRADE OR RAILING IN PREFABRICATED ADJUSTABLE ELEMENTS FOR THE PROTECTION AND DELIMITATION OF FLAT SURFACES OR INCLINED SURFACES. THE BALUSTRADE INCLUDES BALUSTERS 4 ARTICULATED ON SHORT PROFILES 6 THAT FIT IN THE STAIR RAIL OR HANDRAIL 1 PROVIDING A PROTECTIVE WALL OF UPRIGHTS 8 ARTICULATED ON RAILS 10 INSERTED BETWEEN OTHER PROTECTIVE RAILS 11, THIS WALL GUARDS BEING ASSEMBLED TO THE BALUSTERS BY HANGING DEVICES, OR THE PROTECTIVE WALL CONSISTS OF PANELS SUPPORTED BY HINGED BRACKETS ON THE BALUSTRADS SO THAT THE BALUSTRADE CAN BE MOUNTED IN A HORIZONTAL OR INCLINED POSITION. APPLICATION TO FLAT SURFACES SUCH AS SHIP DECKS, PLATFORMS, BALCONIES, TERRACES, ETC., OR TO INCLINED SURFACES SUCH AS STAIRS, RAMPS, CHUTS, ETC.

Description

BALUSTRADE IN PREFABRICATED ELEMENTS ADJUSTABLE FOR

  PROTECTION AND DELIMITATION OF SURFACES

PLANES AND INCLINES

  The present invention relates to a balustrade or

  railing made of prefabricated elements; this balustrade is.

  adjustable type so that it can be mounted as well

  on flat surfaces only on inclined surfaces.

  It is known that various types of prefabricated balustrades are available at present, but in practice they only serve to reduce the cost of construction and assembly, although they have different configurations but similar in function of

their application.

  A balustrade intended for flat surfaces actually has a different configuration than a balustrade intended for inclined surfaces, involving

separate manufacture.

  The present invention makes it possible to eliminate the inconvenience

  As mentioned above, it provides an adjustable balustrade that can be used on both flat and sloped surfaces. In short, this balustrade has articulated balusters mounted on short sections that are embedded in the handrail, while protection are formed by amounts whose ends are articulated on ribs or hulls housed in protective profiles, these panels being fixed to the balusters by oscillating attachment devices, or, when they consist of metal tiles , of glass or plastic, these panels

  are mounted on supports oscillating on the balusters.

  By way of example, the invention is illustrated in the accompanying drawings, in which: FIGS. 1 and 2 show respectively a front view and a side view of an example of a profile for

the balustrade.

  Figures 3 and 4 show respectively a front view and a side view of the example of short section on which the amounts are hinged after being

  mounted and recessed into the handrail.

  Figures 5 and 6 show respectively a front view and a side view of the baluster example for

the balustrade.

  Figures 7 and 8 show respectively a front view and a side view of a profile covering the

  articulated profile on the uprights.

  Figures 9 and 10 respectively show a side view and a front view of the example of section on the ends of which are articulated the amounts of the panels. Figures 11 and 12 respectively represent

  a side view and a front view of a panel upright.

  Figures 13 and 14 respectively show a front view and a side view of an example of varlet now enclosed, each baluster and the corresponding amount. Figures 15 and 16 show respectively a front view and a section of a portion of the railing

adjustable after assembly.

  Figures 17 and 18 show respectively a railing mounted on a horizontal plane and on a cage

Stair.

  Figures 19 and 20 show respectively a side view and a top view of an example of adjustable connection of two horizontal handrails

  occupying different positions.

  Figures 21 and 22 show respectively a side view and a top view of the example of connection between two handrails inclined one by

report to the other.

  Figure 23 shows a side view of the central body constituting a second example of connection between

  two handrails inclined relative to each other.

  Figure 24 shows the central vertical section

  of the body shown in Figure 23.

  Figure 25 shows a top view of the body

shown in Figure 23.

  Figure 26 shows a front view of the connection according to the example of Figure 23, in its junction

with the handrail.

  Figure 27 shows a side view of the

connection according to Figure 26.

  Figure 28 shows the vertical center section of the joining connection shown on

Figure 27.

  Figure 29 is a top view of the

connection of Figure 27.

  Figure 30 shows a vertical section of the connection shown in Figures 23 to 29, in a complete example, between two successive handrails, one of which

  is horizontal and the other is sloping downward.

  Figure 31 shows a view from above of

  connection connection shown in Figure 3 t 1.

  Figure 32 shows a perspective view of a

  example of a mobile support for panel tiles.

  Figures 33 and 34 respectively show the installation of the panel railing on a plane

  horizontal and on a stairwell.

  Figures 35, 36 and 37 show a side view, a top view and a front view of the baluster fastener, respectively, as a

  alternative to the element in Figures 13 and 14.

  Figures 38 and 39 show respectively a side view and a top view of the panel fastener, as an alternative to

  that shown in Figures 13 and 14.

  Figure 40 shows a side view of the whole device fixing the panel to the baluster,

according to Figures 35 to 39.

  Figure 41 shows a prefabricated adjustable balustrade mounted on a flat surface using the fasteners shown in Figure 40,

  and subject of the present invention.

  Figure 42 shows the inclined balustrade that

is shown in Figure 41.

  Figures 43 and 44 show respectively a top view and a side view of an example of varlet holding the panel against the baluster, example in which the horizontal rails are connected to the baluster, as an alternative to that who is

  shown in Figures 13 and 14.

  Figures 45 and 46 respectively show a front view, a back view and a side view of an exemplary movable plate support as an alternative to that shown in Figure 32. Figures 47 and 48 respectively represent the use of the support of Figures 45 and 46 in a

  horizontal balustrade and in an inclined balustrade.

  Figures 49 and 50 show, in two side views, at right angles to one another, the connection of two side railings to a single end baluster common to the entire flight.

from the stairs.

  Figures 51 and 52 show respectively a side view and a top view of the connection of two superimposed and concurrent handrails at the end baluster common to the entire flight of stairs. Figure 53 shows a central section and

  vertical example of a support mounted on the floor.

  Figure 54 is a top view of the support shown in Figure 53 for a square baluster. Figure 55 shows the central section and

  vertical example of a support mounted on a wall.

  Figure 56 is a top view of the support shown in Figure 55 for a square baluster. Figure 57 shows a side view of one of the expansion plates of the support shown in Figures

2 2519052

53 to 56.

  Figure 58 is a top view of the

  support for a rectangular baluster.

  Figure 59 is a top view of a

  support for round and curved balusters.

  In the figures, the numeral 1 denotes the handrail having any cross section, although the shape of an inverted U is preferred, while the upper part of the profile 2 is beveled at its lower end and the wings The baluster 4, shown by way of example with a rectangular profile, is hinged at its upper end, by means of a suitable pin 5, is on a short section 6. having a suitable cross-section in which the handrail can slide and slide, and in the example of a handrail according to FIGS. 1 and 2, this short profile 6 is in the form of an u-shaped returned, the base of which corresponds to the part central 2 of the handrail and whose wings 7 have two recesses turned outwardly, so that they rest on the elbows 3 of the handrail Final installation of these short profile és 6 can be done by riveting; the lower end of the baluster will be primed, as usual, for mounting on a wall or base plate,

  as will be explained later.

  When the baluster 4 and the corresponding profile 6 are mounted inside the handrail, the pin 5 can not slide, or exit in any other way, holes formed in the baluster 4 and in the short section 6, if

  although their subsequent blocking becomes superfluous.

  The set of protective panels consists of uprights 8, having for example a square or rectangular shape, which are articulated at their two ends, by pins 9, on U-shaped rails 10, their central wing These hinges or hinge profiles 10 fit into other U-shaped balustrade profiles 11, which serve as closure profiles, the tips of the flanges of which are slightly turned towards the other. In this case also, when the uprights and the corresponding rails 10 are introduced into the cover rail 11, the pins 9 remain locked without any accessories being necessary, since they can not slip out of the gaps.

  holes in the uprights 8 and in the rails 10.

  For the mounting of the panels on the balusters, there are provided clamping devices which are shown by way of example in Figures 13 and 14 as comprising a portion 12 partially surrounding the baluster and a portion 13 partially surrounding the amount corresponding to the baluster; the element 12 has a through hole, while the element 13 has a threaded bore so that the two parts can be connected and held together

by a screw 14.

  It follows that the prefabricated balustrade can either be mounted horizontally to the desired length, as shown in Figure 17, or be mounted in an inclined position, as shown in Figure 18. Therefore, the same railing can be adapted to various requirements, according to the objectives of the present invention, by simply rotating the various elements

around pins 5 and 9.

  Figures 19 and 20 show by way of example

  the possible assembly of two horizontal balustrades

  In line with a prefabricated connection This connection consists of two parts 15 and 16 matching the configuration of the handrail and which, because they interpenetrate completely allow the adaptation of the connection on the two balustrades; the ends of the connection are dimensioned so as to fit a short length inside the ends of the two handrails, while the assembly can be locked by means of rivets 17. Figures 21 and 22 show as example a connection assembly between two inclined handrails or having different slopes, as in the case of two ramps or handrails staircase, between the stairwell and the bearing This connection can also be

  used to connect two horizontal handrails.

  For this purpose, there is provided an upper plate 18, equipped in its corners with four uprights 19 facing downwards and beveled V-shaped flared, between which the plate has a projection 20 V-shaped Such a connection can be used to mutually connect ramps and / or handrails covering a wide range of possible applications; it is thus possible to connect between them square handrails, as well as those forming an angle of about 900, thanks to the internal bevelling of the uprights 19; handrails can be connected to each other irrespective of the slope, given the beveling

of the plate 18.

  The handrails are mounted on the uprights by means of screws which fit into the holes 21 The sides of the connection 18 with which the handrails do not come into contact can be closed by plates

screwed 22.

  Figures 23 to 31 show a second example of handrail connection, the numeral 23 designating the hollow central body of the connection, having as an example the shape of a parallelepiped with square base representing for example walls horizontal convex semi-cylindrical shape with horizontal axis Three of these convex lateral surfaces have an elongate vertical slot 24, while the lower end of the body

  has a large circular opening 25.

  The connecting element 26 between the central body 23 and the handrail 1 has a semi-cylindrical recess matching the semicylindrical crown of the body 23, and this recess comprises an elongate vertical slot 27 whose position corresponds to that of the slot 24. arranged in the

convex walls of the body 23.

  The configuration of the connecting element 26 is such that it allows it to receive and house the handrail 1 while the two parts

19052

  can be securely assembled by riveting or

other means of assembly.

  As shown in Figures 8 and 9, the assembly of the hollow central body 23 with the connecting elements 26 is made by means of bolts 28 passing through the slots 24 and 27, and this mutual attachment may, depending on the location and the arrangement of the connecting elements, facilitate the interconnection of two handrails in a rectilinear 1 o continuity on a horizontal plane or on different planes, and their interconnection at right angles on a horizontal plane or on different planes As we can see it, only three slots 24 were made in the body 1, because this number proved sufficient to meet

to all the requirements.

  In the embodiment, the central body has the shape of a square parallelepiped so as to allow the mutual interconnection of two handrails in rectilinear continuity or at right angles for handrails occupying different positions, the central body can take other forms such as, for example, a triangular, trapezoidal, etc., so that the side convex walls remain perpendicular

  to the geometric axis of the handrails.

  As for the balustrades, railings or banisters, with flat panels, made of, for example, metal, glass or plastic, the balusters 4 remain as they are, and their articulation device on the handrail 1 is the same as that described

previously.

  For attaching panels 29 to the balusters 4, there are provided support members 30 which are shown in FIG.

Figure 32.

  These support elements 30 consist of a

  U-shaped profile that is modified by press forming so.

  to create a recess 31 in the form of X that can contain the front length of the baluster These supports are mounted two by two in opposition on each baluster with through screws 32 threaded in-holes 33 of the support

and screwed on this baluster.

  Depending on whether the railing is disposed horizontally or on an inclined plane, these supports 32, mounted in opposition two by two on each baluster as indicated above, are placed either in a horizontal position or in an inclined position, as shown in FIG.

show Figures 33 and 34.

  Thus, the prefabricated panel balustrade can be used interchangeably both in a horizontal position and in an inclined position, depending on the scope of the present invention. It will suffice only that the panels are arranged according to the

  needs, since they can not be deformed.

  Figures 35 to 42 show a fastener assembling the panel to the baluster as an alternative to that shown in the drawings.

Figures 13 and 14.

  This device consists of two elements, the first of which comprises a stirrup or flange 34 welded to a round plate 35 with a central threaded hole 36, while the second comprises a lower rectangular portion 37 having a lower longitudinal bulge 38 and a semi-circular portion. upper ring 39 having approximately the same diameter as the circular plate 35 forming part of the first element, which has a through hole 40 which

corresponds to the tapped hole 36.

  As shown in Figure 40, the first element surrounds the baluster 4 of the railing, while the second penetrates through its bulged portion 38 into the internal beam 10 in the form of X which is part of the panel of the baluster A screw, or a similar fastening device 41, firmly connects the two fasteners, so that they provide a stable interconnection of the panels

of baluster.

  The foregoing clearly illustrates the mounting of the panels on the baluster by means of the elements described in the present invention, fixing the rails of the upper and lower panels to this baluster allowing the oscillation of the railing and thus its installation flat as shown on Figure 41, or its installation on an inclined plane, as shown in Figure 42 In place of the panel locking devices on the balusters shown in Figures 13 and 14, a similar device may be used which is shown in Figures 43 and 44 This device also has a portion 12 surrounding the baluster 4 and the blocker, and another portion 13, which is slightly curved at its end, which allows it to penetrate into the upper and lower rails 10 and 11 of the panel,

  by fixing them to the baluster by means of the screw 14.

  When this solution is chosen, the exact centering of a panel upright 8 opposite the baluster 4 is no longer necessary. Instead of the support 30 of the panel plate 29, as shown in FIG. 32, there can be provided a movable support, which is shown in FIGS. 45 and 46. This support comprises two surfaces 43 creating two recesses 44 separated by a V-shaped frame that contains the corners of the panel; one of the outer surfaces 43 has two concentric circular slots between which the flat head bolts 47 can slide in

  blocking the band that surrounds the baluster 4.

  The method of disassembly of horizontal or inclined panels using the same support is represented as

for example in Figures 47 and 48.

  If stairs, in particular at their two ends, have the same balusters 44 for all flights of stairs or for all the bearings or platforms, the handrails 1 can be mounted on the side of this baluster, as shown by the Figures 49 and 50, or to be concurrent, as shown in Figures 51 and 52 In the case where the handrails are mounted laterally, they can be attached to the baluster 49, for example by means of double hooks similar to those which are shown in Figures 13, 14, 43 and 44, in which the portion 12 partially envelops the single baluster 49 while its sides 13 are hooked on the two handrails; in this solution with a lateral handrail, the railing can be entirely oscillating, as described above. However, in the solution using concurrent handrails 1 in the single baluster, mutual assembly can be ensured by a band comprising tongues articulated on a rod 53, one of the tabs, for example the central tongue 51, sliding in and being blocked by 1-a lower handrail, while the lateral tabs slip

  in and are blocked by the upper handrail.

  Since it will be impossible, by choosing this solution, to have the balusters 4 and the various panels under the handrail, it will be necessary to fix them in any manner and by any appropriate means to the sides of the handrail when these balusters and panels are of the articulated type, as described above, in order to meet all the requirements

  horizontal and inclined handrails.

  In particular, short profiles having a suitable configuration, such as U-shaped flanged flat sections assembled to the side of the handrail, may be used, or these profiles may be replaced by a single fixed stringer structure. to the handrail, or these short profiles can be removed and the different balusters 4 be

  articulated directly on the side of the handrail.

  As shown in Figures 53 and 54, the support mounted on the floor consists of a base plate 54 having two symmetrical holes 55 to accommodate the cylindrical stakes 56 of the expansion plate 57 rectangular cross section These plates are spaced apart suitably and of a size such that they can be accommodated in the hollow section of the baluster 4 The support also has an isosceles trapezoidal cross-section wedge, and a central threaded hole installed upside down between these plates 57, which in turn comprise short upper central walls beveled whose slope corresponds to that of the walls of the corner This corner is crossed by the threads of a screw 59, its head protruding from the base plate 1 This support is completed by holes 60 for fixing the plate of

  base 54 on the floor and by a protective coating 61.

  The foregoing description makes quite

  obvious use of said support.

  After having mounted the protective coating 61, the expansion plates 57 are fitted by means of partially loosened screws in the lower end of the baluster 4, after which the screws 59 are tightened so as to lower the wedge 58, thereby widening the plates 57. which come solidly against the inner walls of the baluster, before finally blocking in their

final position.

  The support mounted on the wall, as shown in Figures 55 and 56, differs from the previous one only in that its base plate 62 is L-shaped with holes 63 for fixing the wall on the vertical flange comprising

a suitable coating 64.

  In FIGS. 53 to 56, the support is suitable for square-section balusters, whereas in FIG. 58 the support is otherwise similar in all respects.

  suitable for balusters with rectangular cross section.

  It is also possible to use the support in question for circular or curved balusters, and in this case the external surfaces of the expansion plates 65 have a corresponding curvature, as shown in Figure 59, and when this solution is chosen, even the base plates 54 and 62 can be circular or curved, so

  that their form will marry that of the baluster.

  The support in question can also be used with polygonal balusters and in particular with those whose cross section is hexagonal, and in this case the base plate and the expansion plate will both have a corresponding shape. Corner 58, through which screw 7 passes, may also have another suitable configuration, still within the scope of the present invention; instead of having an isosceles trapezoid cross-section, the wedge can thus have a circular section or an elliptical profile with a horizontal axis parallel to the facing surfaces of the two expansion plates. When their wall is thin, the expansion plates can to be fixed on the base plate by welding instead of being fixed by pegs 56 threaded into the holes 55 In this case, the wedge will widen the plates by deformation and they will be applied firmly against the inner wall of the baluster. To guarantee a better blocking of the baluster by means of the expansion plates, these external surfaces of the plates can be ribbed or knurled in a manner

appropriate.

  In all the solutions envisaged, the alignment of the two stakes 56 and the screw 59 can be done in one and the same direction, for example the direction XX of FIGS. 53, 54, 55 and 56, or at right angles XY, as

  in the case of Figures 58 and 59 for example.

  It is obvious that the handrail, the baluster or the profiles of the uprights, as well as the corresponding articulation structures can take any aesthetic or ornamental configuration, without departing from the scope of application. of the present invention.

Claims (16)

  1 Balustrade made of prefabricated adjustable elements for the protection and delimitation of flat surfaces or inclined surfaces, characterized in that it comprises a handrail (1) with balusters (4) articulated by their upper part on short sections (6) which fit into this handrail, and panels formed by uprights (8) hinged at both ends on healds (10) which fit into other cover profiles (11), these panels being attached to the baluster by means of clamping devices (12, 13) connecting each baluster (4) to the corresponding upright (8) and to the profiled rails (10, 11) of the panel, or having plate panels (29) which are mounted on supports (30, 43) articulated on the balusters (4), so that the same railing can be arranged horizontally or with any slope, the adjustment of the balustrade being done by rotating the Balus very relative to the handrail and the uprights with respect to the profiled rails, or by rotating the baluster relative to the handrail and the panel supports relative to the balusters.   Balustrade according to claim 1, characterized   characterized in that the handrail (1) has a preferably U-shaped profile with profiled flanges, and in that the short sections (6) on which the balusters (4) are hinged also comprise a profile in U shape, so that they can easily be slid into the handrail and riveted to the appropriate position by means of rivets.   Balustrade according to claim 1, characterized in that the balusters (4) and the uprights (8) of the panels can have a cross section of any type, for example square, rectangular, polygonal, curved, etc. 4 Balustrade according to claim 1, characterized in that the smooth sections (10) on which the uprights of the panels- (8) are hinged at one end are U-shaped, the center of the wing being slightly returned to inside, while the cover profile (11) is U-shaped, the tips of the wings   being slightly curved from 1800 inwards.   Balustrade according to claim 1, characterized in that the articulation of the balusters (4) on the short sections (6) and the articulation of the uprights (8) on the profiled rails (10) is obtained by means of pins ( 5, 9) which fit in the holes prepared for this purpose and which are held in place by the handrail (1) and the profiled cover rail (11).   6 Balustrade according to claim 1, characterized in that the device which attaches the panels to the balusters (4) consists of two parts (12, 13) partially enveloping the uprights (8) and the balusters (4), these two parts being assembled and   applied against each other by means of screws (14).   Balustrade according to claims 1 and 6,   characterized in that the device which hooks the panels to the balusters (4) consists of two parts (12, 13) one of which (12) partially envelops the baluster (4), while the other (13), having a slightly curved end (42), penetrates into the upper and lower rails (11), where the two parts (12, 13) are assembled and applied against each other by screws (14).   Balustrade according to claims 1, 6 and 7,   characterized in that the device which hooks the panels to the balusters (4) is composed of two elements, the first element comprising a stirrup (34) welded to a round plate (35) having a central threaded hole (36) while the second member has a lower rectangular portion (37) with a lower longitudinal bulge (38) and an upper semicircular portion (39) with a central through hole (40), so that when sliding the baluster (4) into the stirrup (34) of the first element and the lower bulge portion (38) of the second element in the upper and lower X-shaped portions of the balustrade panel, the assembly of the two elements and the attachment of the panel to the baluster are made by means of screws or other similar means (41), offering the possibility of installing balustrades either on a flat surface or on an inclined surface.   Balustrade according to Claim 1, characterized in that the supports (30) of the plate panels (29) are U-shaped sections flattened at their center so as to form an X-shaped recess (31) in which accommodates the baluster (4), the support being screwed on the baluster by screws (32) passing through the hole (33) of the support.   Balustrade according to claims 1 and 9,   characterized in that the support is formed by two surfaces (43) creating two recesses (44) separated by a V-shaped frame (45), one of the surfaces having concentric circular slots (46) in which adapt the sliding flat head bolts (47) which block the   band (48) enveloping the baluster (4).   11 Balustrade according to claim 1, characterized in that the connection between two non-aligned horizontal handrails is provided by a connecting element consisting of two curved portions (15, 16) matching the configuration of the handrail (1), which interpenetrate completely and whose extremities   can accommodate both ends of the two handrails.   Balustrade according to Claim 1, characterized in that the connection of two handrails having different slopes is effected by means of a plate element (18) which is provided in its corners with four uprights (19) facing towards the floor. flared V-shaped bottom and bevels, this plate having a protrusion (20)   V-shaped between the uprights (19).   Balustrade according to claims 1 and 12,   characterized in that the connection between two handrails has a parallelepiped shaped hollow central connecting body (23) with convex lateral walls of which at least three have an elongate vertical slot (24) and at least two elements assembly (26), between the main body (23) and the handrail (1), each of these connecting elements having on one side a recess matching the bulge of the body, this recess having an elongated vertical slot (27) corresponding to the slot (24) of the body (23), while this connecting element has a shape that allows it to internally fit the handrail (1) to be fixed by rivets or similar elements and comprises bolts ( 28) passing through these slots (24, 27) for a permanent connection of the central body (23) and the connecting elements (26) interconnecting the handrails (4) and those which are arranged according to s different angles or to different levels.   Balustrade according to Claim 13, characterized in that the central body of the connection device is a square base parallelepiped allowing the rectilinear or orthogonal interconnection of two handrails.   Balustrade according to Claim 13, characterized in that the central body of the connecting device is a parallelepiped with a trapezoidal or triangular base enabling two hands to be interconnected.   currents forming any angle.   Balustrade according to claim 1, characterized in that the handrail (1) and the balustrade itself, are fixed by means of fastening devices alongside a baluster (49) common to all the flight of stairs is at all levels from the stairwell.   Balustrade according to claim 1, characterized in that, in the case where the two handrails (1) have in common one or more balusters (35) of the entire flight of stairs, they are fixed to these balusters by means of an articulated element (50, 51, 52, 53), and these balusters (40) and articulated panels are attached to the outer face of each handrail. Balustrade according to claim 1, characterized in that the fixing of the balusters (4) by their lower end is provided by a base plate (54, 62) having holes (60, 63) for mounting on a wall or a floor, while two expansion plates (57, 65) are mounted by means of two lower circular stakes (56) for fitting into symmetrical holes (55) in the base plate, or are attached to the base plate by welding, these expansion plates (57) being separated by appropriate distances and having a shape which allows them to penetrate the profile of the baluster (4), having a corner (58) of circular cross-section or isosceles trapezoidal shape with horizontal axis, and a central threaded hole acting between these expansion plates (55) which themselves comprise short upper surfaces slightly bevelled and a screw (59) passing through the base plate, acted on the tapping of the wedge - (58) so that the descent of the wedge causes a widening of the two expansion plates which, by applying firmly against the inner walls of the   baluster, block it in a stable position.   Balustrade according to claims 1 and 18,   characterized in that the base plate (54) can be square, rectangular or curved for floor-mounted or L-shaped supports (62) for brackets mounted on a wall.   Balustrade according to claims 1 and 18,   characterized in that the expansion plates (57) are rectangular parallelepiped-shaped for square, rectangular or polygonal balusters, or may have curved outer walls (65) for curved balusters.   Balustrade according to claims 1 and 18,   characterized in that the alignment between the two holes (55) of the base plates (54, 62), and thus the alignment between the two pegs (56) of the expansion plates (57, 65) can be arranged way to form a right angle   relative to each other (X-X, Y-Y).