EP3686371B1 - A support for raised floor - Google Patents
A support for raised floor Download PDFInfo
- Publication number
- EP3686371B1 EP3686371B1 EP20154206.5A EP20154206A EP3686371B1 EP 3686371 B1 EP3686371 B1 EP 3686371B1 EP 20154206 A EP20154206 A EP 20154206A EP 3686371 B1 EP3686371 B1 EP 3686371B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- friction
- extension
- base
- engagement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 125000006850 spacer group Chemical group 0.000 claims description 51
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02447—Supporting structures
- E04F15/02464—Height adjustable elements for supporting the panels or a panel-supporting framework
- E04F15/0247—Screw jacks
- E04F15/02482—Screw jacks with a variable angle between panel and support
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02447—Supporting structures
- E04F15/02464—Height adjustable elements for supporting the panels or a panel-supporting framework
- E04F15/0247—Screw jacks
Definitions
- the invention relates to a support for raised floors, preferably of the height-adjustable type.
- cylindrical support elements having two opposite bases, a first base configured to be supported on the ground and a second base configured to receive in a supporting way the covering elements of the floor.
- the support elements have a support member which can be screwed to the first and/or second base in order to adjust the height of the raised floor and, therefore, the dimensions of the space under it.
- the upper base has a circular form when viewed from above and the support elements are positioned in such a way that angular portions are supported on each upper base, said angular portions being of four different covering elements which converge at the centre of the upper base.
- the covering elements are positioned on the upper base so that each element occupies one of the four quadrants, into which the upper base can be ideally divided.
- a problem in relation to this covering system is that often, after installation, it is necessary to adjust the height of the various support elements in order to construct a flat floor, particularly if the ground on which the support elements are supported is irregular or inclined.
- the support elements are provided with an adjustment key which is accessible from the upper base in order to adjust the screwing of the support member.
- these elements are constructed with a given dimensional tolerance. Therefore, clearances are defined between the support member and the base which allow a relative movement between the support member and the base during vibrations and impacts.
- the mat is constructed from a rubber-like material which allows the vibrations and noise to be damped.
- this solution has the disadvantage that it does not allow adjustment of the height of the support without disassembling the raised floor.
- WO2018/122159 describes a support made according to the known art.
- An object of the invention is to provide a support for raised floors which makes it possible to overcome the abovementioned disadvantages with reference to the known art.
- the support head is supported on the support structure in the region of the friction end-piece and so friction is generated between the support head and the support structure.
- the presence of the friction end-piece at the interface between the support head and the support structure allows friction to be applied to the relative sliding actions between the support head and the support structure.
- the present invention provided a support structure for raised floors comprising connection elements to connect the support structure to a base element of the support and an abutment surface which is configured to receive in a supporting way a face of a support head of the support, wherein it is provided a friction-producing device having a friction end-piece which is defined on the abutment surface and which is positioned so as to abut the second face which is made of a high friction coefficient material in order to apply friction to the relative sliding between the support structure and the support head.
- This support structure can be used in the construction of various adjustable supports and allows the construction of adjustable supports which have a stable connection between the support head and the support structure.
- adjustable supports for raised floors are obtained which allow the impacts and vibrations generated during use of the floor itself to be damped.
- the support may be provided with one or more spacer members which are configured as extensions.
- the extension is configured to be interposed between the base element and the support head, the extension being provided at a first longitudinal end thereof with an engagement device for engaging the extension with the base element of the adjustable support, or with another extension of the adjustable support, and at an opposite longitudinal end with an additional engagement device which is configured to be connected to the engagement device of an additional extension or of the annular member of the base element.
- the second face of the support head is configured to be supported during use on the support structure, the support head being provided with a friction-producing device comprising a friction end-piece which is defined on one among said second face and said abutment surface and which is positioned so as to abut against the other among said abutment surface and said second face which is made of a high friction coefficient material in order to apply friction to the relative sliding between the support structure and the support head.
- the presence of the engagement device and the additional engagement device allows a stable engagement of the extension with the base element, with the annular member or a stable engagement between two extensions .
- the extension has a substantially cylindrical member which is internally hollow and which is provided with a longitudinal cavity.
- the engagement device comprises a first engagement element and a second engagement element which project longitudinally from the extension and which are mutually spaced apart in a radial direction so that between the first element and the second element an engagement sleeve remains defined for engaging the extension with the base element or another extension.
- the first engagement element comprises an internal collar which projects from the extension and the second engagement element comprises an external collar which projects from the extension which is spaced apart from the internal collar.
- the external collar is provided with a plurality of fins which project from the external collar in a longitudinal direction and which are configured to be connected to the other engagement device of another extension or of the base element.
- the internal collar is provided with a plurality of fins which project from the internal collar in a longitudinal direction and which are configured to be connected to the other engagement device of another extension or of the base element.
- Each fin of the plurality of fins is provided with an engagement tooth which projects in a radial direction and which is configured to be received in a connection seat which is provided in the additional engagement device of another extension or on the base element.
- the fins can be spaced apart circumferentially on the external surface of the extension, preferably in an equidistant way. In a preferred embodiment, four fins are provided.
- the additional engagement device comprises a plurality of connection seats which are provided on the external or internal surface of the extension and which are configured to receive the engagement teeth of the fins of an additional extension or of the annular member.
- the extension is further provided with a plurality of ribs which are defined on the external surface thereof.
- the ribs are preferably longitudinal and act as reinforcement elements of the adjustable support.
- the ribs also act as guide elements for inserting the engagement elements.
- the ribs are positioned in such a way that it is defined a guide seat in which the fins are received in a sliding manner and that it is substantially prevented any relative rotation between two consecutive extensions and/or between an extension and the annular member.
- the extension further comprises a plurality of internal ribs which are defined on an internal wall of the extension and which extend in a substantially longitudinal direction.
- the internal ribs extend over a longitudinal portion of the internal wall in such a way that an insertion portion without any ribs is defined in the region of the second longitudinal end of the extension.
- This insertion portion is formed so as to receive an internal collar of another extension.
- the internal collar and the support portion are formed in such a way that, by inserting the other extension in the extension, the internal collar of the extension is inserted in the insertion portion of the other extension and the external edge of the internal collar is supported on the internal ribs of the other extension.
- the base element is provided with a filler element which is inserted in the base element in order to increase the stability of the base element.
- the adjustable support 100 is arranged to be positioned on a support surface "S", such as an external surface of a roof, the ground, etc., and is configured to receive covering elements 101 of a floor 102 in a supporting way.
- a support surface "S" such as an external surface of a roof, the ground, etc.
- the support surface "S" may also be an impermeable covering sheath which is applied to the surface to be covered.
- a raised floor 102 which is schematically shown in Figure 8 , comprises a plurality of covering elements 101 preferably having a rectangular shape which are placed side by side to form the floor 102.
- These covering elements 101 are supported on a plurality of supports 100 so as to be spaced apart from the support surface "S" by a distance Z1 which almost corresponds to the height Z1 of the adjustable support 100.
- Each covering element 101 can be constructed from any material which is suitable for the purpose and which has a quadrangular shape with four different angular portions 103, each one configured to be supported on a respective support 100, as described in greater detail below.
- Each adjustable support 100 which can better be seen in Figures 1 to 3 , has a substantially cylindrical shape and comprises a base element 1 which is configured to be supported in use on the support surface S and a support head 2 which is longitudinally opposite along a longitudinal axis Z' of the adjustable support 100 with respect to the base element 1.
- the support head 2 which can better be seen in Figures 4 to 6 , is configured to receive in a supporting way one or more covering elements 101 of the floor 102, as better explained below.
- the longitudinal axis Z' of the adjustable support 100 coincides with the vertical axis Z.
- the longitudinal axis Z' of the adjustable support 100 corresponds to the vertical axis Z, while the support surface S is located in a plane XY perpendicular to the vertical axis Z.
- the adjustable support 100 further comprises a support structure 3 which is configured to be interposed in use between the base element 1 and the support head 2, and which can be connected adjustably to at least one of the base element 1 and the support head 2 in order to adjust the height of the adjustable support 100.
- the support structure 3 comprises connection elements 31 for connecting the support structure 3 to the base element 1.
- connection elements are configured as a spacer member 31 having an internally hollow cylindrical shape.
- the spacer member 31 is delimited by a side wall 31A, by an abutment surface 32 which is provided at a longitudinal end of the spacer member 31 and which is configured to abut the support head 2, as better explained below.
- the abutment surface 32 is concave towards the outer side of the spacer member 31 and is defined by a wall which slopes from an external edge 32A towards the centre 32B of the abutment surface 32 which is placed in the region of the longitudinal axis Z' of the spacer member 31.
- the spacer member 31 is internally hollow and is delimited at the side opposite the abutment surface 32 by a free edge 32C. At the centre 32B of the abutment surface 32, the spacer member 31 is provided with an adjustment head 15 which projects from the abutment surface 32 towards the support head 2 and which is configured to be actuated by a user to adjust the height of the support 100.
- a slot 15A for an adjustment key is provided on the adjustment head 15.
- the slot 15A has dimensions corresponding to those of the joints of the floor 102 so as to be accessible for a user even with the floor 102 assembled.
- the side wall 31A is provided with an external thread 33 which is configured to be connected to an internal thread 13 which is provided on the base element 1 in order to mutually screw adjustably the spacer member 31 and the base element 1 in order to adjust the overall height Z1 of the adjustable support 100.
- the presence of the external thread 33 and the internal thread 13 allows the support structure 3 to be connected in an adjustable way to the base element 1.
- the overall height Z1 of the adjustable support 100 being defined as the distance between the support face 21 and the support surface S.
- the external thread 33 extends over the entire longitudinal extent of the side wall 31A of the spacer member 31, it is thereby possible to maximize the possibility of adjusting the height "Z1" of the adjustable support 100.
- the external thread is provided only on a portion of the side wall 31A of the spacer member 31.
- the spacer member 31 is further provided with the external thread only at two different portions of the individual longitudinally opposite side wall 31A of the external thread.
- the support structure 3 comprises a plurality of spacer members which are suitable to be positioned successively one above the other and configured so that adjacent spacer members can be connected to each other in order to vary the overall height Z1 of the adjustable support 100.
- the height of the spacer members may be different from each other and defined on the basis of needs for use.
- each spacer member comprises an engagement sleeve which is provided at a longitudinal end of the spacer member and which is configured to be fitted on an additional spacer member so as to mutually connect a plurality of spacer members in series.
- At least the two end spacer members of the series of spacer members are further suitable to be connected to the support head 2 and/or the base element 1 in order to connect the support structure 3 to the support head 2 and to the base element 1.
- one spacer member 31 of the plurality of spacer members is provided with the external thread, the other members may not have it.
- the adjustable support is provided with connection elements which are different from the thread and which are suitable for connecting in a stable and adjustable way the support structure 3 and the base element 1 and the support head 2 and which are formed so as to be able to adjust the overall height Z1 of the adjustable support 100.
- the support structure 3 is constructed integrally with the base element 1.
- the base element 1 has an annular member 10 which is provided with the internal thread 13 which is configured to be connected to the external thread 33 of the spacer member 31 in order to fix the spacer member 31 to the base element 1.
- the annular member may be provided with an external thread, the spacer member of the support structure being provided with an internal thread which can be connected with form-fitting connection to the external thread of the annular member.
- the annular member 10 is provided with a blocking device which cannot be seen in the Figures in order to block the rotation of the spacer member 31 in order to prevent the removal of the spacer member 31 from the annular member 10.
- the edge 10A of the annular member 10 directed towards the support head is folded so as to define an engagement sleeve 10' which is configured to be fitted on a vertical wall 101 of the base 11.
- the edge 10A defines a circumferential seat for the vertical wall 101 of the base 11.
- the base element 1 further comprises a base 11 which is fixed to the annular member 10 and which is configured to be supported in use on the ground in order to define the base of the support 100.
- the base 11 has a vertical wall 101 which is formed so as to define a longitudinal through-hole 11A.
- the base 11 and the annular member 10 can be fixed in a removable way, preferably in a snap-fitting manner, in a longitudinal direction so as not to be able to rotate with respect to each other about the longitudinal axis of the support 100.
- the base 11 is provided with a flange 12 which projects from the vertical wall 101 of the base 11 in a transverse plane XY relative to the longitudinal axis Z' and which has dimensions when viewed from above in a Cartesian reference system in which the longitudinal axis of the annular member corresponds to the vertical axis Z, in a plane XY, greater than the base 11.
- the flange 12 is configured to be supported, in use, on the support surface S.
- the flange 12 has a width D1 which depends on the dimensions of the support 100 and/or the characteristics of the floor to be supported and/or the use thereof.
- the presence of the flange 12 allows an increase of the stability of the support 100 on the ground.
- the base 11 is further provided with a filling element 700 which is shown in detail in Figure 14B and which is inserted in the through-hole 11A of the base 11 and which is configured to be connected in a form-fitting way to the through-hole 11A so as to close it.
- a filling element 700 which is shown in detail in Figure 14B and which is inserted in the through-hole 11A of the base 11 and which is configured to be connected in a form-fitting way to the through-hole 11A so as to close it.
- a support base of the support 100 having a discoidal shape. This allows an increase in the stability of the base element 1. This further allows an increase in the stability of the adjustable support on the support surface S and more homogeneous distribution of the weight to be supported.
- the adjustable support 100 further comprises a support head 2 which is configured to receive in a supporting way one or more covering elements 101 of the floor 102 to be supported.
- each support head 2 is configured to support four different covering elements 101, but in accordance with the position of the support in the floor and/or the configuration of the floor and/or the arrangement of the covering elements or the configuration thereof, the number of covering elements on each support may be different from 4, for example, as shown with reference to Figures 11 to 13 and as better described below.
- the support head 2 comprises a discoidal member 20 having a height H1 which is considered along the longitudinal axis Z' of the support 100 and which is delimited by an external edge 20A, by a support face 21 which defines the support base for the covering elements 101 of the floor 102 and an opposing second face 22 which is directed in use towards the support structure 3 and which is supported in use thereon and longitudinally opposite the first face 21.
- the discoidal element 20 is configured so that the support face 21 is substantially planar; the second face 22 comprises a curved central portion 42 and a peripheral flange 43 which is substantially planar.
- the curved central portion 42 is outwardly convex.
- the curved central portion 42 is formed so as to be connected with form-fitting connection to the abutment surface 32 of the spacer member 31, as better explained below.
- the curved central portion 42 and the abutment surface 32 constitute the connection surfaces between the support structure 3 and the support head 2.
- the formation of the curved central portion 42 and the abutment surface 32 allows a self-levelling support 100 to be obtained.
- the curved central portion 42 can slide on the abutment surface 32 in order to allow alignment of the support 100 and in particular the support face 21.
- the second face 22 is supported in use on the abutment surface 32 of the spacer member 31 opposite the base element 1.
- the second face 22 has such dimensions that, during use, the support head 2 is supported on the abutment surface 32 in the region of the curved central portion 42, the peripheral flange 43 projecting in a transverse plane XY with respect to the spacer member 31.
- the support head 2 is further provided with positioning elements 23 which project from the support face 21 in a direction opposite the second face 22 and which are configured to be interposed between the covering elements 101 which are supported on the support face 21 of the adjustable support 100.
- the positioning elements 23 are advantageously arranged in openings 230 which are formed in the support head 2.
- the number of positioning elements 23 depends on the number of covering elements 101 which are supported on the support face 21 of the same adjustable support 100 and the positioning thereof.
- the position and/or the formation of the positioning elements 23 depends on the number, the formation and/or the positioning of the covering elements 101 which are supported on the support face 21 of the same adjustable support 100.
- each positioning sector 28 being suitable for receiving an angular portion 103 of a corresponding covering element 101.
- Each positioning sector 28 is configured to receive in a supporting way an angular portion 103 of a corresponding covering element 101.
- Each positioning element 23 is in the form of a plate and is configured to be positioned in use in the joints between two adjacent covering elements 101.
- the positioning elements 23 define a lateral spacing between the adjacent covering elements 101 in order to allow rain water and other fluids to be discharged through the flooring 102.
- the positioning elements 23 further act as alignment elements for the covering elements 101 during the positioning thereof on the support 100, the side walls 23A of the positioning elements 23 being positioned in abutment and in alignment with the side walls of the angular portions 103 of the covering elements 101.
- the positioning elements 23 have a height Z2 which depends on the thickness of the covering elements 101 to be positioned on the support 100, usually between 3 and 4 mm, and a thickness which depends on the dimensions of the joints to be formed between the covering elements 101.
- the support head 2 is provided with a central through-hole 14 which extends in the direction of the longitudinal axis Z' of the support 100 and which is configured to allow the adjustment of the height of the support 100, as will be better explained below.
- the central hole 14 has a shape, when viewed from above, corresponding to the shape of the adjustment head 15 provided on the abutment surface 32 of the spacer member 31 and dimensions greater, when viewed from above, than those of the adjustment head 15.
- the central hole 14 and the adjustment head 15 have cross-like shapes, when viewed from above, as can better be seen in Figures 3 and 6 , so as to prevent undesirable unscrewing of the spacer member.
- the central hole 14 has a circular shape, when viewed from above, with an aperture which is greater than the dimensions of the central hole defined in the second face 22.
- the adjustment head 15 constitutes an adjustment device 15 for the support 100 which can be actuated by means of the central hole 14 and which is configured to be actuated in order to adjust the height Z1 of the support 100.
- the central hole 14 is partially covered, in use, by the covering elements 101 which are supported on the support face 21, as explained below.
- the user can access to the adjustment head 15 with an adjustment key which is connected to the slot 15A which is provided in the adjustment head 15 in order to rotate the spacer member 31 and consequently to vary the height of the support 100.
- Each positioning sector 28 receives an angular portion 103 of a covering element 101
- the side walls 23A of the positioning elements 23 allow alignment of the angular portions 103 of the support elements 101 on the adjustable support 100 and define a lateral spacing between the adjacent covering elements 101 in order to allow rain water and other fluids to be discharged through the floor 102.
- the support head 2 is further provided with a friction-producing device 25 in order to apply friction between the support head 2 and the support structure 3 and between the support head 2 and the covering elements 101.
- the friction-producing device 25 comprises friction mats 26 which are provided on the support face 21 and which are configured to receive in a supporting way the covering elements 101 and friction end-pieces 27 which are provided on the second face 22 of the support head 2 and which are configured to be supported on the abutment surface 32 of the spacer member 31, as better explained below.
- the four friction mats 26 are provided on the support face 21 and project therefrom so as each can receive in a supporting manner the angular portion 103 of a corresponding covering element 101.
- Each friction mat 26 is positioned so as to project with respect to the support face 21 by a thickness "D" between 1 and 10 mm, preferably approximately 2 mm.
- a single friction mat which is configured to receive in a supporting way all the covering elements 101 which are supported on the same support 100.
- the friction mats 26 are configured to apply friction to the sliding action of the covering elements 101 with respect to the support face 21 and therefore the support 100.
- Each friction mat 26 may be made from rubber or an elastomer material or other material with a high friction coefficient, preferably EPDM.
- the friction mats 26 allow attenuation of the noise generated by the footsteps on the floor 102 and attenuation of the vibrations generated during use.
- the friction mats 26 can be produced separately with respect to the support head 2 and subsequently fixed in a stable way to the support face 21, for example, by means of mechanical fixing elements and/or by means of adhesives.
- the friction mat 26 may be produced by co-moulding at the same time as the support head 2, as better explained below.
- the support face 21 is provided with recesses 29 which are configured to receive the friction mats 26 and which are configured so as to receive the friction mats 26 in a stable way on the support head 2.
- Each recess 29 may be provided with engagement elements, which are not visible in the Figures and which are configured to engage with the respective friction mat 26, keeping it received in the recess 29 itself in a stable way.
- the friction mats 26 increase the friction between the covering elements 101 and the support head 2, preventing damage to the support face 21 of the support 100 during positioning of the covering elements 101.
- the support head 2 is further provided on the second face 22 with friction end-pieces 27 which are positioned so as to abut the support structure 3 in order to apply friction to the relative sliding between the support structure 3 and the support head 2. In this way, the relative rotation between the support head 2 and the support structure 3 is impeded.
- the friction end-pieces 27 are configured to be supported in use on the abutment surface 32 of the spacer member 31. Therefore, the support head 2 is supported on the support structure 3, and in particular on the abutment surface 32 in the region of the friction end-pieces 27.
- the four different friction end-pieces 27 are arranged in a cross-like way on the second face 22, that is to say diametrically opposite in pairs.
- the friction device 25 comprises a number of friction end-pieces other than four, advantageously suitably spaced apart on the second face 22.
- Each friction end-piece 27 is positioned on the second face 22 so as to project with respect thereto by a projection "d" between 0.1 and 1 mm, preferably of approximately 0.2 mm.
- Each friction end-piece 27 is produced from rubber or elastomer material, or another material with a high friction coefficient, which is suitable for generating friction for the relative sliding between the support structure 3 and the support head 2 and also to dampen the impacts and friction between the support head 2 and the support structure 3.
- each friction end-piece 27 is made from EPDM.
- Each friction end-piece 27 extends radially on the second face 22 and preferably has a width L, measured circumferentially, which increases in the direction away from the centre 14 of the second face 22.
- each friction end-piece 27 is preferably, as in the embodiment shown, in the form of a circular sector or a circular corona arc.
- Each friction end-piece 27 may be constructed separately with respect to the support head 2 and subsequently fixed in a stable way to the second face 22, for example, by means of fixing elements of the mechanical type and/or by means of adhesives.
- the second face 22 of the support head 2 is provided with a plurality of receptacles 30 in a number that corresponds to the number of the friction end-pieces 27, each receptacle 30 being intended to receive in a stable way a corresponding friction end-piece 27.
- Each receptacle 30 may be provided with engagement elements which cannot be seen in the Figures and which are configured to engage with the respective friction end-piece 27 by keeping it in a stable way in the receptacle 30 itself.
- Each friction end-piece 27 comprises a plurality of rib structures 27A which have a width L2, measured in the circumferential direction, and which extend in the radial direction and which are configured to abut the abutment surface 32 of the spacer member 31.
- the adjacent rib structures 27A are spaced apart by indentations 27B and interconnected by one or more connection bridge(s) 27C which have a circumferential extent.
- Each friction end-piece 27 is therefore supported on the abutment surface 32 in the region of the rib structures 27A and the connection bridges 27C.
- the friction generated by the friction end-piece 27 on the spacer member 31 is increased by increasing the width L2 of the rib structures 27A, the number and extent of the connection bridges 27C.
- This selection is carried out on the basis of the loads and the impacts to which the floor 102 is subjected.
- the friction end-pieces are provided on the abutment surface 32 of the spacer member 31, which is configured to receive in a supporting way the second face 22 of the support head 2, and are positioned so as to abut the second face 22.
- the friction end-pieces are also provided at the interface between the support structure 3 and the support head 2 and are configured to apply friction to the relative sliding action between the support structure 3 and the support head 2.
- the friction end-pieces also constitute the support interface between the support structure 3 and the support head 2.
- the friction end-piece(s) 27 can be produced by co-moulding together with the support head 2 or the spacer member 31.
- the friction end-pieces 27 and the friction mats 26 are provided on the support head 2 in a mutually corresponding position.
- the friction device 25 comprises four different friction elements 25A.
- each friction element 25A as can be seen in Figure 7 , comprises a first friction element which is positioned on the support face 21 and which projects therefrom, and a second friction element which is positioned on the second face 22 and which projects therefrom, the first and second friction elements being integrally produced with each other.
- each friction element 25A comprises a friction mat 26 which is positioned on the support face 21 and a friction end-piece 27 which is positioned on the second face 22 and a connection end-piece 5 which is interposed between the friction mat 26 and the friction end-piece 27 and which is configured to mutually connect the friction mat 26 and the friction end-piece 27.
- connection end-piece 5 is integrally produced with the friction mat 26 and the friction end-piece 27, that is to say, each friction element 25A is formed as a single member.
- connection end-piece 5 is configured to extend at the height H1 of the discoidal member 20 of the support head 2.
- the support head 2 is provided with one or more through-holes 6 for receiving the connection end-pieces 5.
- This embodiment of the friction elements 25A is advantageously obtained by co-moulding with the support head 2.
- the adjustable support 100 may be provided with one or more spacer members which are configured, for example, as the extensions described below.
- the spacer member is formed in the way of an extension 200 which includes a member 201 which preferably has a substantially cylindrical shape and which is internally hollow.
- the member 201 has a height "h" which is defined as the spacing between an upper edge 209 and a lower edge 222 of the member 201 of the extension 200.
- Figures 9A to 9D show an extension having a first height h
- Figure 9E shows an extension 200' having a height h' which is less than that of the extension 200 of Figures 9A-9D
- the extensions 200 and 200' are structurally and functionally similar with the exception of the height, therefore only one of them will be described in detail below.
- the extension 200 is configured to be interposed during use between the annular member 10 of the base element 1 and the base 11 of the base element 1 support structure 2 of the adjustable support 100.
- the extension 200 is provided at a first longitudinal end 200A thereof with an engagement device 40 in order to engage the extension 200 with the base element 1 of the adjustable support 100 or with another extension.
- the extension 200 is provided at a second opposite longitudinal end 200B with an additional engagement device 41 which is configured to be connected to the engagement device 40 of an additional extension or the annular member 10.
- extension 200 can be engaged in a stable way with the base element 1, the support structure or another extension.
- the engagement device 40 comprises an internal collar 207 and an internal collar 203 which project longitudinally from the extension 200 and which are mutually spaced apart in the radial direction so as to define an engagement sleeve.
- the internal collar 207 and the external collar 203 define an engagement cavity for engaging the extension 200 with the base element 1 or another extension.
- the external collar 207 and the internal collar 203 define first and second engagement elements of the engagement device 40.
- the external collar 203 is provided with a plurality of fins 204 which project from the external collar 203 in a longitudinal direction and which are configured to be connected to the additional engagement device 41 of another extension or the base element 1.
- Each fin 204 of the plurality of fins is provided with an engagement tooth 205 which projects in a radial direction and which is configured to be received in a connection seat 206 which is provided on the additional engagement device 41 of another extension or on the base element 1, as better explained below.
- the fins 204 are spaced circumferentially apart on the external surface "S1" of the extension 200. In a preferred embodiment, there are provided 4 fins.
- the additional engagement device 41 comprises a plurality of connection seats 206 which are provided on the external surface S1 of the extension 200 and which are configured to receive the engagement teeth 205 of the fins 204 of an additional extension or the support structure 3.
- Each engagement seat is shaped like a slot 206 which is preferably substantially horizontal and which is arranged near the second end 200B of the extension 200.
- the engagement seat is a through-slot, but in other embodiments there may be provided as an engagement seat a recess which is defined in the external surface and which is configured to receive the engagement tooth of a fin.
- the position of the engagement tooth and of the slot can be transposed, that is to say the slot can be provided in the fin and the engagement tooth can be provided on the external surface S1 of the extension 200.
- the internal collar is provided with a plurality of fins which project from the internal collar in a longitudinal direction and which are configured to be connected to the additional engagement device of another extension or the base element.
- the additional engagement device comprises a plurality of connection seats which are provided on the internal surface S2 of the extension.
- the extension 200 is further provided with a plurality of ribs 202 which are defined on the external surface S1 and which extend in a substantially longitudinal direction.
- the ribs 202 allow reinforcement of the extension 200 and therefore of the adjustable support 100.
- the ribs 202 also act as guide elements for the insertion of the fins 204, as better explained below.
- the guide seat 292 is formed so as to slidingly receive in the longitudinal direction the fins and to substantially prevent a relative rotation between two consecutive extensions and/or between an extension and the annular member.
- the internal ribs 211 extend over a longitudinal portion of the internal surface S2 so that in the region of the second longitudinal end 200B of the extension 200 an insertion portion 213 is defined, which does not have any ribs.
- This insertion portion 213 is formed so as to receive the internal collar 207 of another extension.
- the internal collar 207 and the insertion portion 213 are formed so that, by inserting one extension into the other, the external edge 208 of the internal collar 207 is inserted in the insertion portion 213 and moves into abutment with the end 212 of the internal ribs 211.
- the presence of the internal ribs 211 allows reinforcement of the structure of the extension 200.
- the internal ribs 211 further allow distribution of the weight applied to the extension 200, preventing localized overloads.
- the extensions of the invention can be mutually engaged in a simple way and at the same time in a resistant and stable way.
- the internal ribs 211 also have the function of preventing the relative rotation between the consecutive extensions and/or between the extension and the support head 2.
- FIGS. 10A and 10B illustrate an additional embodiment of a support 100' according to the invention, in which portions identical to the support previously described will be indicated with the same reference numerals and will not be described in detail.
- the support 100' comprises an extension 200 and an additional extension 200' which are engaged with each other.
- the annular member 10 is connected to the upper edge 209 of the extension 200 by inserting the upper edge 209 in the engagement sleeve 10' which is defined by the edge 10A of the annular member 10.
- An internal portion 10B of the edge 10A of the annular member 10 is inserted in the insertion portion 213 of the extension 200 and urged into abutment against the internal ribs 212 thereof.
- the upper edge 209 of the extension is urged into abutment against the bottom of the engagement sleeve 10'.
- the annular member 10 is further provided with a plurality of additional fins 204'' which project from the edge 10A and which are connected to the slots 206 of the extension 200.
- Each additional fin 204'' is provided with a tooth 19, which is inserted in the slot 206 of the extension 200 when the extension 200 is inserted in the engagement sleeve 10'.
- the additional fins 204'' are inserted between two contiguous ribs 202.
- the extension 200 is in turn engaged with the additional extension 200' by inserting the upper edge 209' of the additional extension 200' into the engagement sleeve which is defined in the extension 200 by the fins 204 and the internal sleeve 207.
- the internal sleeve 207 of the extension 200 is inserted in the insertion portion 213 of the additional extension 200' and urged into abutment against the internal ribs 212.
- extension 200 is supported on the additional extension 200' and the weight is distributed.
- the additional extension 200' is engaged with the base element 1 by inserting the vertical wall 110 in the engagement sleeve of the additional extension 200'.
- the tooth 205' of the fin 204' of the additional extension 200' is inserted in a grooved area 113, defined on the vertical wall 110 of the base 11.
- the base 11 is further provided with a plurality of reinforcement elements 111 which are defined between the vertical wall 110 and the flange 12.
- the grooved area 113 is preferably formed between two contiguous reinforcement elements 111.
- the grooved area 113 is configured to receive a fin of an extension.
- the flange 12 is provided with a plurality of positioning pins 410 which are configured to receive positioning elements 400 as better described below.
- Figures 11 to 13 show additional embodiments of an adjustable support according to the invention which differ from the embodiment of Figures 10A and 10B substantially as a result of the presence of support inserts which are provided on the support face 21 and which are configured to support particular covering elements, as better explained below.
- the adjustable support 100' comprises an upper insert 300 and a lower insert 400 which are suitable for supporting a possible vertical covering element of the floor, for example, to produce a step.
- the upper insert 300 is mounted on the support face 21 of the support head 2 and is substantially parallelepipedal.
- the upper insert 300 comprises a pair of openings 301, 302 which are suitable for receiving the positioning elements 23 of the support face 21.
- the upper insert 300 preferably has a central opening 303 in the region of the central hole 14 of the support head 2.
- the central hole 303 of the upper insert 300 has a plurality of fins, preferably directed towards the bottom so as to project inside the central hole 14 of the support head 2 in order to connect the upper insert to the support head.
- the upper insert 300 includes a first end 310 and a second opposite end 320, each provided with at least one plate 330 which projects towards the base element 1.
- the second end 320 advantageously projects to a greater extent towards the outer side with respect to the first end 310.
- Both the first end 310 and the second end 320 advantageously comprise a pair of plates 330 which are directed towards the lower insert 400, preferably arranged on the sides of each end 310, 320.
- the second end 320 comprises an extension 340, preferably in the form of a T, which advantageously extends from the second end 320 towards the outer side, even more preferably in a direction parallel with the support surface S.
- the extension 340 advantageously includes a central plate 330 which is directed towards the base element 1 and a pair of lateral fins 330 which are directed in opposite directions.
- the lower positioning insert 400 is preferably mounted on the flange 12 of the base element 1 in such a way that it is positioned in the region of the upper insert 300.
- the flange 12 advantageously comprises protuberances 410, wherein each protuberance is advantageously arranged between two reinforcement elements.
- the protuberances 410 have preferably a substantially cylindrical shape.
- the lower insert 400 includes a member 413, which is substantially flat and suitable for being arranged between two successive reinforcement elements of the flange 12.
- the member 413 advantageously comprises a hole 401 which is suitable for receiving the protuberance 410 of the flange 12.
- the member 413 comprises an end 414 which projects outwards.
- the end 414 advantageously comprises a pair of plates 430 which are directed towards the support head 2, preferably arranged at the sides of the end 414.
- the end 414 comprises an extension 440 which advantageously extends from the end 414 outwards, even more preferably in a direction parallel with the support surface S.
- the extension 440 includes an additional plate 441 which is preferably directed towards the support head 2.
- a possible vertical covering element of the floor may be positioned so as to have: an upper tip which is arranged between the plates 330 of the second end 320 of the upper insert 300 and the central fin 330 of the extension 340 of the upper insert 300; and a lower tip which is arranged between the flat fins of the end 414 of the lower insert 400 and the additional plate 430 of the extension 440 of the lower insert 400.
- the inserts 300, 400 could have forms, configurations and orientations which are different from what is illustrated in Figure 11 .
- the support of the invention may be used to support elongate covering elements of the floor which are configured as beams, for example wooden or aluminium beams.
- the adjustable support 100' is configured to support wooden beams and aluminium beams, respectively, or generally elongate elements which extend over the support face so as to cover the central hole 14.
- the support 100' has an annular member 10 which is provided with projections 501.
- projections 501 preferably comprise support elements 502, for example, gripping handles, which allow the user to interact with the adjustable support 100 in spite of the central hole 14 of the support head 2 not being directly accessible, as will be explained below.
- support elements 502 for example, gripping handles, which allow the user to interact with the adjustable support 100 in spite of the central hole 14 of the support head 2 not being directly accessible, as will be explained below.
- there are present four projections 501 which are mutually equidistant.
- a plate 600 is provided which is substantially discoidal and which includes a central depression 610 in the region of the central hole 14 of the support head 2.
- the plate 600 preferably comprises a vertical bulkhead 601 in order to support the beam to be positioned on the support 100'.
- This embodiment is particularly suitable for wooden beams.
- the support 100' is provided with an additional plate 650 comprising a pair of hooked projections 651 in order to block the beam to be positioned on the support 100'.
- This embodiment is particularly suitable for aluminium beams.
- the lower portion of the plate 600 and the additional plate 650 advantageously comprises a plurality of positioning and/or connection elements, preferably projections and/or snap-fit engagements, which are suitable for being connected to the openings 230 of the support head 2.
- the support head 2 is not provided with the projections 23 in order to be able to be connected to the plate 600 or to additional plate 650.
- the base element 1 comprises a closure insert 700, which can be seen in Figure 14B and which can be mounted in the lower portion of the base 11 in order to cover the openings present in the base itself.
- the closure insert 700 has preferably a parallelepipedal shape, even more preferably a square shape. This closure insert 700 allows isolation of the base element 1 from possible infiltrations, for example, when the support surface S is constituted by a sheath.
- the closure insert 700 allows to define a support base with a discoidal shape. Therefore, the support of the invention solves the proposed problems by allowing at the same time a number of advantages to be achieved with respect to the known supports.
- the supports of the invention can be used to construct raised floors to be supported on a surface S which is planar or also inclined.
- the support is further particularly flexible in use thanks to the possibility of using any combination of elements described in accordance with the needs of the user and the conditions of use.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
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- Replacement Of Web Rolls (AREA)
Description
- The invention relates to a support for raised floors, preferably of the height-adjustable type.
- It is known to construct floors or coverings which are raised from the plane of the ground or of the ceiling in such a way that, between the floor and the ground, a space is defined where wires or service devices can be received.
- In order to construct such floors, there are used cylindrical support elements having two opposite bases, a first base configured to be supported on the ground and a second base configured to receive in a supporting way the covering elements of the floor.
- Usually, the support elements have a support member which can be screwed to the first and/or second base in order to adjust the height of the raised floor and, therefore, the dimensions of the space under it.
- The upper base has a circular form when viewed from above and the support elements are positioned in such a way that angular portions are supported on each upper base, said angular portions being of four different covering elements which converge at the centre of the upper base.
- In other words, the covering elements are positioned on the upper base so that each element occupies one of the four quadrants, into which the upper base can be ideally divided.
- A problem in relation to this covering system is that often, after installation, it is necessary to adjust the height of the various support elements in order to construct a flat floor, particularly if the ground on which the support elements are supported is irregular or inclined.
- In order to address this requirement, the support elements are provided with an adjustment key which is accessible from the upper base in order to adjust the screwing of the support member.
- Another problem in relation to this covering system is that often the covering elements of the floor tend to move on the upper base, particularly as a result of vibrations, excessive loads, etc.
- In order to be able to mutually screw the support member to the base of the adjustable supports, these elements are constructed with a given dimensional tolerance. Therefore, clearances are defined between the support member and the base which allow a relative movement between the support member and the base during vibrations and impacts.
- In order to overcome this disadvantage, it has been proposed by
US8438805 to position on the upper base a damping mat which is configured to receive the covering elements in a supporting manner. - The mat is constructed from a rubber-like material which allows the vibrations and noise to be damped.
- However, the vibrations and the settlements resulting from the use of the supports are not completely eliminated and are concentrated on the support structure, generating relative movements between the upper base, support member and lower base.
- This causes undesirable movements and variations of height of the known supports.
- Therefore, there are often required adjustment interventions to act on the support member in order to adjust the screwing thereof with respect to the upper and/or lower base.
- Alternatively, have been proposed supports where the support member is fixed at a predetermined position to the bases after having adjusted the desired height for the support.
- In these supports, it is necessary to disassemble the raised floor in order to access the supports for adjusting their height, if desired.
- Therefore, this solution has the disadvantage that it does not allow adjustment of the height of the support without disassembling the raised floor.
-
WO2018/122159 describes a support made according to the known art. - Therefore, remains the need to provide a support for raised floors which is stable and easy to install and which allows simple adjustment of the height of the support itself.
- An object of the invention is to provide a support for raised floors which makes it possible to overcome the abovementioned disadvantages with reference to the known art.
- This object is achieved by a support for raised floors constructed according to the
independent claim 1. - As a result of the invention, it is obtained a support for raised floors which is at the same time easy to adjust and which is dimensionally stable.
- The support head is supported on the support structure in the region of the friction end-piece and so friction is generated between the support head and the support structure.
- The presence of the friction end-piece at the interface between the support head and the support structure allows friction to be applied to the relative sliding actions between the support head and the support structure.
- This prevents undesirable relative movements between the support head and the support structure and therefore undesirable height variations of the supports of the invention.
- The present invention provided a support structure for raised floors comprising connection elements to connect the support structure to a base element of the support and an abutment surface which is configured to receive in a supporting way a face of a support head of the support, wherein it is provided a friction-producing device having a friction end-piece which is defined on the abutment surface and which is positioned so as to abut the second face which is made of a high friction coefficient material in order to apply friction to the relative sliding between the support structure and the support head.
- This support structure can be used in the construction of various adjustable supports and allows the construction of adjustable supports which have a stable connection between the support head and the support structure.
- It is possible, with the support head and/or with the support structure to construct adjustable supports for raised floors which are dimensionally stable and their height can readily be adjusted if necessary.
- Furthermore, adjustable supports for raised floors are obtained which allow the impacts and vibrations generated during use of the floor itself to be damped.
- In an embodiment, the support may be provided with one or more spacer members which are configured as extensions. The extension is configured to be interposed between the base element and the support head, the extension being provided at a first longitudinal end thereof with an engagement device for engaging the extension with the base element of the adjustable support, or with another extension of the adjustable support, and at an opposite longitudinal end with an additional engagement device which is configured to be connected to the engagement device of an additional extension or of the annular member of the base element.
- In the present invention, the second face of the support head is configured to be supported during use on the support structure, the support head being provided with a friction-producing device comprising a friction end-piece which is defined on one among said second face and said abutment surface and which is positioned so as to abut against the other among said abutment surface and said second face which is made of a high friction coefficient material in order to apply friction to the relative sliding between the support structure and the support head.
- The presence of the engagement device and the additional engagement device allows a stable engagement of the extension with the base element, with the annular member or a stable engagement between two extensions .
- It is thereby possible to obtain adjustable supports with heights which are different from each other and to obtain stable and strong adjustable supports.
- The extension has a substantially cylindrical member which is internally hollow and which is provided with a longitudinal cavity.
- In an embodiment, the engagement device comprises a first engagement element and a second engagement element which project longitudinally from the extension and which are mutually spaced apart in a radial direction so that between the first element and the second element an engagement sleeve remains defined for engaging the extension with the base element or another extension.
- Preferably, the first engagement element comprises an internal collar which projects from the extension and the second engagement element comprises an external collar which projects from the extension which is spaced apart from the internal collar.
- In an embodiment, the external collar is provided with a plurality of fins which project from the external collar in a longitudinal direction and which are configured to be connected to the other engagement device of another extension or of the base element.
- In an embodiment, the internal collar is provided with a plurality of fins which project from the internal collar in a longitudinal direction and which are configured to be connected to the other engagement device of another extension or of the base element.
- Each fin of the plurality of fins is provided with an engagement tooth which projects in a radial direction and which is configured to be received in a connection seat which is provided in the additional engagement device of another extension or on the base element.
- The fins can be spaced apart circumferentially on the external surface of the extension, preferably in an equidistant way. In a preferred embodiment, four fins are provided.
- The additional engagement device comprises a plurality of connection seats which are provided on the external or internal surface of the extension and which are configured to receive the engagement teeth of the fins of an additional extension or of the annular member.
- Advantageously, the extension is further provided with a plurality of ribs which are defined on the external surface thereof.
- The ribs are preferably longitudinal and act as reinforcement elements of the adjustable support. The ribs also act as guide elements for inserting the engagement elements.
- It is defined between contiguous ribs of the plurality of ribs a guide seat for inserting the engagement elements of another extension or of the annular member.
- The ribs are positioned in such a way that it is defined a guide seat in which the fins are received in a sliding manner and that it is substantially prevented any relative rotation between two consecutive extensions and/or between an extension and the annular member.
- In a preferred embodiment, the extension further comprises a plurality of internal ribs which are defined on an internal wall of the extension and which extend in a substantially longitudinal direction.
- The internal ribs extend over a longitudinal portion of the internal wall in such a way that an insertion portion without any ribs is defined in the region of the second longitudinal end of the extension.
- This insertion portion is formed so as to receive an internal collar of another extension.
- The internal collar and the support portion are formed in such a way that, by inserting the other extension in the extension, the internal collar of the extension is inserted in the insertion portion of the other extension and the external edge of the internal collar is supported on the internal ribs of the other extension. In a preferred embodiment, the base element is provided with a filler element which is inserted in the base element in order to increase the stability of the base element.
- The features and advantages of the invention will be better appreciated from the following detailed description of a number of preferred embodiments thereof which are illustrated by way of non-limiting example with reference to the attached drawings, in which:
-
Figure 1 is a perspective view of an adjustable support according to a first embodiment of the invention; -
Figure 2 is a perspective plan view of the support ofFigure 1 ; -
Figure 3 is a front cross-section of the support ofFigure 1 ; -
Figure 4 is a front view of a head element of the support ofFigure 1 ; -
Figure 5 is a perspective plan view of the head element ofFigure 4 ; -
Figure 6 is a perspective bottom view of the head element ofFigure 4 ; -
Figure 7 is an enlarged perspective view of a detail of the head element ofFigure 4 ; -
Figure 8 is a schematic view of a floor constructed with the support of the invention; -
Figures 9A, 9B, 9C and 9D are a perspective plan view, a perspective bottom view, a front view and a longitudinal section of an extension for an adjustable support according to the invention, respectively; -
Figure 9E is a front view of an additional embodiment of an extension for an adjustable support according to the invention; -
Figures 10A and 10B are a perspective view and a longitudinal section of a second embodiment of an adjustable support according to the invention, respectively; -
Figures 11, 12 and13 are perspective views of three different embodiments of an adjustable support according to the invention; -
Figures 14A and 14B are a perspective plan view and perspective bottom view of the base element provided with a closure insert. - With reference to
Figures 1 to 8 , it is shown anadjustable support 100 for raised floors according to the invention. - The
adjustable support 100 is arranged to be positioned on a support surface "S", such as an external surface of a roof, the ground, etc., and is configured to receive coveringelements 101 of afloor 102 in a supporting way. - The support surface "S" may also be an impermeable covering sheath which is applied to the surface to be covered.
- A raised
floor 102, which is schematically shown inFigure 8 , comprises a plurality of coveringelements 101 preferably having a rectangular shape which are placed side by side to form thefloor 102. - These covering
elements 101 are supported on a plurality ofsupports 100 so as to be spaced apart from the support surface "S" by a distance Z1 which almost corresponds to the height Z1 of theadjustable support 100. - In this way, it is defined between the
floor 102 and the support surface S a gap for receiving pipes, wires and for the correct drainage of fluids, such as rain, etc. - Each covering
element 101 can be constructed from any material which is suitable for the purpose and which has a quadrangular shape with four differentangular portions 103, each one configured to be supported on arespective support 100, as described in greater detail below. - Each
adjustable support 100, which can better be seen inFigures 1 to 3 , has a substantially cylindrical shape and comprises abase element 1 which is configured to be supported in use on the support surface S and asupport head 2 which is longitudinally opposite along a longitudinal axis Z' of theadjustable support 100 with respect to thebase element 1. - The
support head 2, which can better be seen inFigures 4 to 6 , is configured to receive in a supporting way one or more coveringelements 101 of thefloor 102, as better explained below. - In an ideal positioning of the
adjustable support 100, the longitudinal axis Z' of theadjustable support 100 coincides with the vertical axis Z. - It may be assumed below, considering a Cartesian reference system, that the longitudinal axis Z' of the
adjustable support 100 corresponds to the vertical axis Z, while the support surface S is located in a plane XY perpendicular to the vertical axis Z. - The
adjustable support 100 further comprises asupport structure 3 which is configured to be interposed in use between thebase element 1 and thesupport head 2, and which can be connected adjustably to at least one of thebase element 1 and thesupport head 2 in order to adjust the height of theadjustable support 100. - In the embodiment shown, the
support structure 3 comprisesconnection elements 31 for connecting thesupport structure 3 to thebase element 1. - In the embodiment shown, the connection elements are configured as a
spacer member 31 having an internally hollow cylindrical shape. - The
spacer member 31 is delimited by aside wall 31A, by anabutment surface 32 which is provided at a longitudinal end of thespacer member 31 and which is configured to abut thesupport head 2, as better explained below. - The
abutment surface 32 is concave towards the outer side of thespacer member 31 and is defined by a wall which slopes from anexternal edge 32A towards thecentre 32B of theabutment surface 32 which is placed in the region of the longitudinal axis Z' of thespacer member 31. - In this manner, the
abutment surface 32 projects inside thespacer member 31. - The
spacer member 31 is internally hollow and is delimited at the side opposite theabutment surface 32 by afree edge 32C. At thecentre 32B of theabutment surface 32, thespacer member 31 is provided with anadjustment head 15 which projects from theabutment surface 32 towards thesupport head 2 and which is configured to be actuated by a user to adjust the height of thesupport 100. - A slot 15A for an adjustment key is provided on the
adjustment head 15. - The slot 15A has dimensions corresponding to those of the joints of the
floor 102 so as to be accessible for a user even with thefloor 102 assembled. - The
side wall 31A is provided with anexternal thread 33 which is configured to be connected to aninternal thread 13 which is provided on thebase element 1 in order to mutually screw adjustably thespacer member 31 and thebase element 1 in order to adjust the overall height Z1 of theadjustable support 100. - The presence of the
external thread 33 and theinternal thread 13 allows thesupport structure 3 to be connected in an adjustable way to thebase element 1. - The overall height Z1 of the
adjustable support 100 being defined as the distance between thesupport face 21 and the support surface S. - By rotating the
spacer member 31 with respect to thebase element 1, as indicated by the arrow F, the mutual screwing between thespacer member 31 and thebase element 1 is varied, bringing about a variation of the height Z1 of theadjustable support 100. - In the embodiment shown, the
external thread 33 extends over the entire longitudinal extent of theside wall 31A of thespacer member 31, it is thereby possible to maximize the possibility of adjusting the height "Z1" of theadjustable support 100. - This further allows the
spacer member 31 to be fixed both to thebase element 1 and to thesupport head 2. - In other embodiments which are not shown, however, the external thread is provided only on a portion of the
side wall 31A of thespacer member 31. - In other embodiments which are not shown, the
spacer member 31 is further provided with the external thread only at two different portions of the individual longitudinallyopposite side wall 31A of the external thread. - It is thereby possible to fix the
spacer member 31 both to thebase element 1 and to thesupport head 2. - In other embodiments of the adjustable support which are not shown, the
support structure 3 comprises a plurality of spacer members which are suitable to be positioned successively one above the other and configured so that adjacent spacer members can be connected to each other in order to vary the overall height Z1 of theadjustable support 100. The height of the spacer members may be different from each other and defined on the basis of needs for use. - In this case, each spacer member comprises an engagement sleeve which is provided at a longitudinal end of the spacer member and which is configured to be fitted on an additional spacer member so as to mutually connect a plurality of spacer members in series.
- It is thereby possible to obtain a
support structure 3 which is formed by a plurality ofspacer members 31 which are connected to each other. - At least the two end spacer members of the series of spacer members are further suitable to be connected to the
support head 2 and/or thebase element 1 in order to connect thesupport structure 3 to thesupport head 2 and to thebase element 1. - In this embodiment, one
spacer member 31 of the plurality of spacer members is provided with the external thread, the other members may not have it. - These additional spacer members can be configured as described below.
- In other embodiments which are not shown, the adjustable support is provided with connection elements which are different from the thread and which are suitable for connecting in a stable and adjustable way the
support structure 3 and thebase element 1 and thesupport head 2 and which are formed so as to be able to adjust the overall height Z1 of theadjustable support 100. - In another embodiment which is not shown, the
support structure 3 is constructed integrally with thebase element 1. - The
base element 1 has anannular member 10 which is provided with theinternal thread 13 which is configured to be connected to theexternal thread 33 of thespacer member 31 in order to fix thespacer member 31 to thebase element 1. In another embodiment which is not shown, the annular member may be provided with an external thread, the spacer member of the support structure being provided with an internal thread which can be connected with form-fitting connection to the external thread of the annular member. - The
annular member 10 is provided with a blocking device which cannot be seen in the Figures in order to block the rotation of thespacer member 31 in order to prevent the removal of thespacer member 31 from theannular member 10. - The
edge 10A of theannular member 10 directed towards the support head is folded so as to define an engagement sleeve 10' which is configured to be fitted on avertical wall 101 of thebase 11. - The
edge 10A defines a circumferential seat for thevertical wall 101 of thebase 11. - The
base element 1 further comprises a base 11 which is fixed to theannular member 10 and which is configured to be supported in use on the ground in order to define the base of thesupport 100. Thebase 11 has avertical wall 101 which is formed so as to define a longitudinal through-hole 11A. - The
base 11 and theannular member 10 can be fixed in a removable way, preferably in a snap-fitting manner, in a longitudinal direction so as not to be able to rotate with respect to each other about the longitudinal axis of thesupport 100. - The
base 11 is provided with aflange 12 which projects from thevertical wall 101 of the base 11 in a transverse plane XY relative to the longitudinal axis Z' and which has dimensions when viewed from above in a Cartesian reference system in which the longitudinal axis of the annular member corresponds to the vertical axis Z, in a plane XY, greater than thebase 11. - The
flange 12 is configured to be supported, in use, on the support surface S. - The
flange 12 has a width D1 which depends on the dimensions of thesupport 100 and/or the characteristics of the floor to be supported and/or the use thereof. - The presence of the
flange 12 allows an increase of the stability of thesupport 100 on the ground. - In an embodiment, the
base 11 is further provided with a filling element 700 which is shown in detail inFigure 14B and which is inserted in the through-hole 11A of thebase 11 and which is configured to be connected in a form-fitting way to the through-hole 11A so as to close it. - There is thereby defined a support base of the
support 100 having a discoidal shape. This allows an increase in the stability of thebase element 1. This further allows an increase in the stability of the adjustable support on the support surface S and more homogeneous distribution of the weight to be supported. - Localized overloads and undesirable damage to the support surface S are prevented, particularly when a covering sheath is provided.
- The
adjustable support 100 further comprises asupport head 2 which is configured to receive in a supporting way one or more coveringelements 101 of thefloor 102 to be supported. In a conventional positioning of thefloor 102, eachsupport head 2 is configured to support fourdifferent covering elements 101, but in accordance with the position of the support in the floor and/or the configuration of the floor and/or the arrangement of the covering elements or the configuration thereof, the number of covering elements on each support may be different from 4, for example, as shown with reference toFigures 11 to 13 and as better described below. - The
support head 2 comprises adiscoidal member 20 having a height H1 which is considered along the longitudinal axis Z' of thesupport 100 and which is delimited by anexternal edge 20A, by asupport face 21 which defines the support base for the coveringelements 101 of thefloor 102 and an opposingsecond face 22 which is directed in use towards thesupport structure 3 and which is supported in use thereon and longitudinally opposite thefirst face 21. - The
discoidal element 20 is configured so that thesupport face 21 is substantially planar; thesecond face 22 comprises a curvedcentral portion 42 and aperipheral flange 43 which is substantially planar. - The curved
central portion 42 is outwardly convex. - The curved
central portion 42 is formed so as to be connected with form-fitting connection to theabutment surface 32 of thespacer member 31, as better explained below. - The curved
central portion 42 and theabutment surface 32 constitute the connection surfaces between thesupport structure 3 and thesupport head 2. - The formation of the curved
central portion 42 and theabutment surface 32 allows a self-levellingsupport 100 to be obtained. - In case of variation of inclination, the curved
central portion 42 can slide on theabutment surface 32 in order to allow alignment of thesupport 100 and in particular thesupport face 21. - In the embodiment shown, the
second face 22 is supported in use on theabutment surface 32 of thespacer member 31 opposite thebase element 1. - The
second face 22 has such dimensions that, during use, thesupport head 2 is supported on theabutment surface 32 in the region of the curvedcentral portion 42, theperipheral flange 43 projecting in a transverse plane XY with respect to thespacer member 31. - The
support head 2 is further provided withpositioning elements 23 which project from thesupport face 21 in a direction opposite thesecond face 22 and which are configured to be interposed between the coveringelements 101 which are supported on thesupport face 21 of theadjustable support 100. Thepositioning elements 23 are advantageously arranged inopenings 230 which are formed in thesupport head 2. - The number of
positioning elements 23 depends on the number of coveringelements 101 which are supported on thesupport face 21 of the sameadjustable support 100 and the positioning thereof. - The position and/or the formation of the
positioning elements 23 depends on the number, the formation and/or the positioning of the coveringelements 101 which are supported on thesupport face 21 of the sameadjustable support 100. - In the embodiment shown, four
different positioning elements 23 are provided which are arranged on thesupport face 21 so as to define thereon fourdifferent positioning sectors 28, eachpositioning sector 28 being suitable for receiving anangular portion 103 of acorresponding covering element 101. Eachpositioning sector 28 is configured to receive in a supporting way anangular portion 103 of acorresponding covering element 101. - Each
positioning element 23 is in the form of a plate and is configured to be positioned in use in the joints between twoadjacent covering elements 101. - The
positioning elements 23 define a lateral spacing between theadjacent covering elements 101 in order to allow rain water and other fluids to be discharged through theflooring 102. - The
positioning elements 23 further act as alignment elements for the coveringelements 101 during the positioning thereof on thesupport 100, theside walls 23A of thepositioning elements 23 being positioned in abutment and in alignment with the side walls of theangular portions 103 of the coveringelements 101. - The
positioning elements 23 have a height Z2 which depends on the thickness of the coveringelements 101 to be positioned on thesupport 100, usually between 3 and 4 mm, and a thickness which depends on the dimensions of the joints to be formed between the coveringelements 101. - The
support head 2 is provided with a central through-hole 14 which extends in the direction of the longitudinal axis Z' of thesupport 100 and which is configured to allow the adjustment of the height of thesupport 100, as will be better explained below. - In the
second face 22, thecentral hole 14 has a shape, when viewed from above, corresponding to the shape of theadjustment head 15 provided on theabutment surface 32 of thespacer member 31 and dimensions greater, when viewed from above, than those of theadjustment head 15. - The
central hole 14 and theadjustment head 15 have cross-like shapes, when viewed from above, as can better be seen inFigures 3 and6 , so as to prevent undesirable unscrewing of the spacer member. - On the
support face 21, thecentral hole 14 has a circular shape, when viewed from above, with an aperture which is greater than the dimensions of the central hole defined in thesecond face 22. - The
adjustment head 15 constitutes anadjustment device 15 for thesupport 100 which can be actuated by means of thecentral hole 14 and which is configured to be actuated in order to adjust the height Z1 of thesupport 100. - The
central hole 14 is partially covered, in use, by the coveringelements 101 which are supported on thesupport face 21, as explained below. - When it is necessary to adjust the height of the
support 100, the user can access to theadjustment head 15 with an adjustment key which is connected to the slot 15A which is provided in theadjustment head 15 in order to rotate thespacer member 31 and consequently to vary the height of thesupport 100. - Each
positioning sector 28 receives anangular portion 103 of acovering element 101, theside walls 23A of thepositioning elements 23 allow alignment of theangular portions 103 of thesupport elements 101 on theadjustable support 100 and define a lateral spacing between theadjacent covering elements 101 in order to allow rain water and other fluids to be discharged through thefloor 102. - The
support head 2 is further provided with a friction-producingdevice 25 in order to apply friction between thesupport head 2 and thesupport structure 3 and between thesupport head 2 and the coveringelements 101. - The friction-producing
device 25 comprisesfriction mats 26 which are provided on thesupport face 21 and which are configured to receive in a supporting way the coveringelements 101 and friction end-pieces 27 which are provided on thesecond face 22 of thesupport head 2 and which are configured to be supported on theabutment surface 32 of thespacer member 31, as better explained below. - The four
friction mats 26 are provided on thesupport face 21 and project therefrom so as each can receive in a supporting manner theangular portion 103 of acorresponding covering element 101. - Each
friction mat 26 is positioned so as to project with respect to thesupport face 21 by a thickness "D" between 1 and 10 mm, preferably approximately 2 mm. - In other embodiments, there may be provided a single friction mat which is configured to receive in a supporting way all the covering
elements 101 which are supported on thesame support 100. - The
friction mats 26 are configured to apply friction to the sliding action of the coveringelements 101 with respect to thesupport face 21 and therefore thesupport 100. - Each
friction mat 26 may be made from rubber or an elastomer material or other material with a high friction coefficient, preferably EPDM. - The
friction mats 26 allow attenuation of the noise generated by the footsteps on thefloor 102 and attenuation of the vibrations generated during use. - The
friction mats 26 can be produced separately with respect to thesupport head 2 and subsequently fixed in a stable way to thesupport face 21, for example, by means of mechanical fixing elements and/or by means of adhesives. - Alternatively, the
friction mat 26 may be produced by co-moulding at the same time as thesupport head 2, as better explained below. - The
support face 21 is provided withrecesses 29 which are configured to receive thefriction mats 26 and which are configured so as to receive thefriction mats 26 in a stable way on thesupport head 2. - Each
recess 29 may be provided with engagement elements, which are not visible in the Figures and which are configured to engage with therespective friction mat 26, keeping it received in therecess 29 itself in a stable way. - The
friction mats 26 increase the friction between the coveringelements 101 and thesupport head 2, preventing damage to thesupport face 21 of thesupport 100 during positioning of the coveringelements 101. - The
support head 2 is further provided on thesecond face 22 with friction end-pieces 27 which are positioned so as to abut thesupport structure 3 in order to apply friction to the relative sliding between thesupport structure 3 and thesupport head 2. In this way, the relative rotation between thesupport head 2 and thesupport structure 3 is impeded. The friction end-pieces 27 are configured to be supported in use on theabutment surface 32 of thespacer member 31. Therefore, thesupport head 2 is supported on thesupport structure 3, and in particular on theabutment surface 32 in the region of the friction end-pieces 27. - In the embodiment shown, four different friction end-pieces 27are provided which are suitably spaced apart on the
second face 22. - Advantageously, the four different friction end-
pieces 27 are arranged in a cross-like way on thesecond face 22, that is to say diametrically opposite in pairs. - In other embodiments which are not shown, the
friction device 25 comprises a number of friction end-pieces other than four, advantageously suitably spaced apart on thesecond face 22. By increasing the number of the friction end-pieces and/or their extent, that is to say the contact surface between the friction end-pieces and the support structure, the relative friction between the support structure and the support head is increased. - Each friction end-
piece 27 is positioned on thesecond face 22 so as to project with respect thereto by a projection "d" between 0.1 and 1 mm, preferably of approximately 0.2 mm. - Each friction end-
piece 27 is produced from rubber or elastomer material, or another material with a high friction coefficient, which is suitable for generating friction for the relative sliding between thesupport structure 3 and thesupport head 2 and also to dampen the impacts and friction between thesupport head 2 and thesupport structure 3. - In a particularly preferred embodiment, each friction end-
piece 27 is made from EPDM. - Each friction end-
piece 27 extends radially on thesecond face 22 and preferably has a width L, measured circumferentially, which increases in the direction away from thecentre 14 of thesecond face 22. - Therefore, each friction end-
piece 27 is preferably, as in the embodiment shown, in the form of a circular sector or a circular corona arc. - Each friction end-
piece 27 may be constructed separately with respect to thesupport head 2 and subsequently fixed in a stable way to thesecond face 22, for example, by means of fixing elements of the mechanical type and/or by means of adhesives. - The
second face 22 of thesupport head 2 is provided with a plurality of receptacles 30 in a number that corresponds to the number of the friction end-pieces 27, each receptacle 30 being intended to receive in a stable way a corresponding friction end-piece 27. - Each receptacle 30 may be provided with engagement elements which cannot be seen in the Figures and which are configured to engage with the respective friction end-
piece 27 by keeping it in a stable way in the receptacle 30 itself. - Each friction end-
piece 27 comprises a plurality ofrib structures 27A which have a width L2, measured in the circumferential direction, and which extend in the radial direction and which are configured to abut theabutment surface 32 of thespacer member 31. Theadjacent rib structures 27A are spaced apart byindentations 27B and interconnected by one or more connection bridge(s) 27C which have a circumferential extent. - Each friction end-
piece 27 is therefore supported on theabutment surface 32 in the region of therib structures 27A and the connection bridges 27C. - The friction generated by the friction end-
piece 27 on thespacer member 31 is increased by increasing the width L2 of therib structures 27A, the number and extent of the connection bridges 27C. - This allows adjustment of the friction generated by the friction end-
pieces 27, at the same time obtaining friction end-pieces having a stable member. - This advantage is obtained without complicating the production process of the
support head 2 of the invention. - In other words, by varying the number of the friction end-
pieces 27 and/or their extent, that is to say the contact surface between the friction end-pieces 27 and theabutment surface 32, it is possible to adjust the friction generated by the friction end-pieces 27, that is to say the resistance to relative rotation between thesupport head 2 and thesupport structure 3. - This selection is carried out on the basis of the loads and the impacts to which the
floor 102 is subjected. - In an embodiment which is not shown, the friction end-pieces are provided on the
abutment surface 32 of thespacer member 31, which is configured to receive in a supporting way thesecond face 22 of thesupport head 2, and are positioned so as to abut thesecond face 22. - In this case, the friction end-pieces are also provided at the interface between the
support structure 3 and thesupport head 2 and are configured to apply friction to the relative sliding action between thesupport structure 3 and thesupport head 2. - In this case, the friction end-pieces also constitute the support interface between the
support structure 3 and thesupport head 2. - In a preferred embodiment, the friction end-piece(s) 27 can be produced by co-moulding together with the
support head 2 or thespacer member 31. - In a preferred embodiment of the
friction device 25, the friction end-pieces 27 and thefriction mats 26 are provided on thesupport head 2 in a mutually corresponding position. In the preferred embodiment shown in the Figures, thefriction device 25 comprises fourdifferent friction elements 25A. - In this case, each
friction element 25A, as can be seen inFigure 7 , comprises a first friction element which is positioned on thesupport face 21 and which projects therefrom, and a second friction element which is positioned on thesecond face 22 and which projects therefrom, the first and second friction elements being integrally produced with each other. - In this embodiment, as can better be seen in
Figure 7 , eachfriction element 25A comprises afriction mat 26 which is positioned on thesupport face 21 and a friction end-piece 27 which is positioned on thesecond face 22 and a connection end-piece 5 which is interposed between thefriction mat 26 and the friction end-piece 27 and which is configured to mutually connect thefriction mat 26 and the friction end-piece 27. - The connection end-
piece 5 is integrally produced with thefriction mat 26 and the friction end-piece 27, that is to say, eachfriction element 25A is formed as a single member. - The connection end-
piece 5 is configured to extend at the height H1 of thediscoidal member 20 of thesupport head 2. Thesupport head 2 is provided with one or more through-holes 6 for receiving the connection end-pieces 5. - This embodiment of the
friction elements 25A is advantageously obtained by co-moulding with thesupport head 2. - In an embodiment, the
adjustable support 100 may be provided with one or more spacer members which are configured, for example, as the extensions described below. - With reference to
Figures 9A to 9E , it is shown a preferred embodiment of a spacer member according to the invention. - The spacer member is formed in the way of an
extension 200 which includes amember 201 which preferably has a substantially cylindrical shape and which is internally hollow. Themember 201 has a height "h" which is defined as the spacing between anupper edge 209 and alower edge 222 of themember 201 of theextension 200. In the invention, there may be used extensions having a height "h" having a desired value in accordance with the final height which it is desirable to achieve with theadjustable support 100. -
Figures 9A to 9D show an extension having a first height h, whileFigure 9E shows an extension 200' having a height h' which is less than that of theextension 200 ofFigures 9A-9D . Theextensions 200 and 200' are structurally and functionally similar with the exception of the height, therefore only one of them will be described in detail below. - Preferably, the
extension 200 is configured to be interposed during use between theannular member 10 of thebase element 1 and thebase 11 of thebase element 1support structure 2 of theadjustable support 100. - The
extension 200 is provided at a firstlongitudinal end 200A thereof with anengagement device 40 in order to engage theextension 200 with thebase element 1 of theadjustable support 100 or with another extension. - The
extension 200 is provided at a second opposite longitudinal end 200B with anadditional engagement device 41 which is configured to be connected to theengagement device 40 of an additional extension or theannular member 10. - In this way, the
extension 200 can be engaged in a stable way with thebase element 1, the support structure or another extension. - This allows a modular structure to be obtained, the overall height of which can be readily varied by engaging successively with each other various extensions.
- It is thereby possible to obtain adjustable supports with different heights from each other.
- The
engagement device 40 comprises aninternal collar 207 and aninternal collar 203 which project longitudinally from theextension 200 and which are mutually spaced apart in the radial direction so as to define an engagement sleeve. - The
internal collar 207 and theexternal collar 203 define an engagement cavity for engaging theextension 200 with thebase element 1 or another extension. - The
external collar 207 and theinternal collar 203 define first and second engagement elements of theengagement device 40. - The
external collar 203 is provided with a plurality offins 204 which project from theexternal collar 203 in a longitudinal direction and which are configured to be connected to theadditional engagement device 41 of another extension or thebase element 1. - Each
fin 204 of the plurality of fins is provided with anengagement tooth 205 which projects in a radial direction and which is configured to be received in aconnection seat 206 which is provided on theadditional engagement device 41 of another extension or on thebase element 1, as better explained below. - The
fins 204 are spaced circumferentially apart on the external surface "S1" of theextension 200. In a preferred embodiment, there are provided 4 fins. - The
additional engagement device 41 comprises a plurality ofconnection seats 206 which are provided on the external surface S1 of theextension 200 and which are configured to receive theengagement teeth 205 of thefins 204 of an additional extension or thesupport structure 3. - Each engagement seat is shaped like a
slot 206 which is preferably substantially horizontal and which is arranged near the second end 200B of theextension 200. - In the embodiment shown, the engagement seat is a through-slot, but in other embodiments there may be provided as an engagement seat a recess which is defined in the external surface and which is configured to receive the engagement tooth of a fin.
- In other embodiments, the position of the engagement tooth and of the slot can be transposed, that is to say the slot can be provided in the fin and the engagement tooth can be provided on the external surface S1 of the
extension 200. - In another embodiment which is not shown, the internal collar is provided with a plurality of fins which project from the internal collar in a longitudinal direction and which are configured to be connected to the additional engagement device of another extension or the base element. In this embodiment, the additional engagement device comprises a plurality of connection seats which are provided on the internal surface S2 of the extension.
- The
extension 200 is further provided with a plurality ofribs 202 which are defined on the external surface S1 and which extend in a substantially longitudinal direction. - The
ribs 202 allow reinforcement of theextension 200 and therefore of theadjustable support 100. Theribs 202 also act as guide elements for the insertion of thefins 204, as better explained below. - The
guide seat 292 is formed so as to slidingly receive in the longitudinal direction the fins and to substantially prevent a relative rotation between two consecutive extensions and/or between an extension and the annular member. On the internal surface S2 of the extension 200 a plurality ofinternal ribs 211 are provided, which extend in a substantially longitudinal direction. - The
internal ribs 211 extend over a longitudinal portion of the internal surface S2 so that in the region of the second longitudinal end 200B of theextension 200 aninsertion portion 213 is defined, which does not have any ribs. - This
insertion portion 213 is formed so as to receive theinternal collar 207 of another extension. - The
internal collar 207 and theinsertion portion 213 are formed so that, by inserting one extension into the other, theexternal edge 208 of theinternal collar 207 is inserted in theinsertion portion 213 and moves into abutment with theend 212 of theinternal ribs 211. - The presence of the
internal ribs 211 allows reinforcement of the structure of theextension 200. - The
internal ribs 211 further allow distribution of the weight applied to theextension 200, preventing localized overloads. The extensions of the invention can be mutually engaged in a simple way and at the same time in a resistant and stable way. Theinternal ribs 211 also have the function of preventing the relative rotation between the consecutive extensions and/or between the extension and thesupport head 2. -
Figures 10A and 10B illustrate an additional embodiment of a support 100' according to the invention, in which portions identical to the support previously described will be indicated with the same reference numerals and will not be described in detail. - The support 100' comprises an
extension 200 and an additional extension 200' which are engaged with each other. - The
annular member 10 is connected to theupper edge 209 of theextension 200 by inserting theupper edge 209 in the engagement sleeve 10' which is defined by theedge 10A of theannular member 10. - An internal portion 10B of the
edge 10A of theannular member 10 is inserted in theinsertion portion 213 of theextension 200 and urged into abutment against theinternal ribs 212 thereof. - The
upper edge 209 of the extension is urged into abutment against the bottom of the engagement sleeve 10'. - In this embodiment, the
annular member 10 is further provided with a plurality of additional fins 204'' which project from theedge 10A and which are connected to theslots 206 of theextension 200. Each additional fin 204'' is provided with atooth 19, which is inserted in theslot 206 of theextension 200 when theextension 200 is inserted in the engagement sleeve 10'. The additional fins 204'' are inserted between twocontiguous ribs 202. - The
extension 200 is in turn engaged with the additional extension 200' by inserting the upper edge 209' of the additional extension 200' into the engagement sleeve which is defined in theextension 200 by thefins 204 and theinternal sleeve 207. Theinternal sleeve 207 of theextension 200 is inserted in theinsertion portion 213 of the additional extension 200' and urged into abutment against theinternal ribs 212. - In this way, the
extension 200 is supported on the additional extension 200' and the weight is distributed. - In turn, the additional extension 200' is engaged with the
base element 1 by inserting thevertical wall 110 in the engagement sleeve of the additional extension 200'. Advantageously, the tooth 205' of the fin 204' of the additional extension 200' is inserted in agrooved area 113, defined on thevertical wall 110 of thebase 11. - The
base 11 is further provided with a plurality ofreinforcement elements 111 which are defined between thevertical wall 110 and theflange 12. - As can better be seen in
Figure 14A , thegrooved area 113 is preferably formed between twocontiguous reinforcement elements 111. - The
grooved area 113 is configured to receive a fin of an extension. - The
flange 12 is provided with a plurality of positioning pins 410 which are configured to receivepositioning elements 400 as better described below. -
Figures 11 to 13 show additional embodiments of an adjustable support according to the invention which differ from the embodiment ofFigures 10A and 10B substantially as a result of the presence of support inserts which are provided on thesupport face 21 and which are configured to support particular covering elements, as better explained below. - For this reason, members which are identical to the support of
Figures 10A and 10B will not be described in detail and will be indicated with the same reference numerals. - In the embodiment of
Figure 11 , the adjustable support 100' comprises anupper insert 300 and alower insert 400 which are suitable for supporting a possible vertical covering element of the floor, for example, to produce a step. - Preferably, the
upper insert 300 is mounted on thesupport face 21 of thesupport head 2 and is substantially parallelepipedal. Theupper insert 300 comprises a pair ofopenings positioning elements 23 of thesupport face 21. Theupper insert 300 preferably has a central opening 303 in the region of thecentral hole 14 of thesupport head 2. Advantageously, the central hole 303 of theupper insert 300 has a plurality of fins, preferably directed towards the bottom so as to project inside thecentral hole 14 of thesupport head 2 in order to connect the upper insert to the support head. - The
upper insert 300 includes afirst end 310 and a secondopposite end 320, each provided with at least oneplate 330 which projects towards thebase element 1. - The
second end 320 advantageously projects to a greater extent towards the outer side with respect to thefirst end 310. Both thefirst end 310 and thesecond end 320 advantageously comprise a pair ofplates 330 which are directed towards thelower insert 400, preferably arranged on the sides of eachend second end 320 comprises anextension 340, preferably in the form of a T, which advantageously extends from thesecond end 320 towards the outer side, even more preferably in a direction parallel with the support surface S. Theextension 340 advantageously includes acentral plate 330 which is directed towards thebase element 1 and a pair oflateral fins 330 which are directed in opposite directions. - In the embodiment of
Figure 11 , there are provided a pair ofupper inserts 300 which are arranged in a cross-like manner so that therespective openings positioning elements 23 which are opposite with respect to thecentral hole 14. - The
lower positioning insert 400 is preferably mounted on theflange 12 of thebase element 1 in such a way that it is positioned in the region of theupper insert 300. Theflange 12 advantageously comprisesprotuberances 410, wherein each protuberance is advantageously arranged between two reinforcement elements. Theprotuberances 410 have preferably a substantially cylindrical shape. Thelower insert 400 includes amember 413, which is substantially flat and suitable for being arranged between two successive reinforcement elements of theflange 12. Themember 413 advantageously comprises ahole 401 which is suitable for receiving theprotuberance 410 of theflange 12. Themember 413 comprises anend 414 which projects outwards. Theend 414 advantageously comprises a pair ofplates 430 which are directed towards thesupport head 2, preferably arranged at the sides of theend 414. Advantageously, theend 414 comprises an extension 440 which advantageously extends from theend 414 outwards, even more preferably in a direction parallel with the support surface S. Advantageously, the extension 440 includes an additional plate 441 which is preferably directed towards thesupport head 2. - A possible vertical covering element of the floor, for example, a riser of a step, may be positioned so as to have: an upper tip which is arranged between the
plates 330 of thesecond end 320 of theupper insert 300 and thecentral fin 330 of theextension 340 of theupper insert 300; and a lower tip which is arranged between the flat fins of theend 414 of thelower insert 400 and theadditional plate 430 of the extension 440 of thelower insert 400. - In this way, the vertical covering element is blocked in the desired position.
- The plates and the additional plates of the upper insert and lower insert, respectively, act as blocking elements for the vertical covering element which is not shown in the Figures. In alternative embodiments, the
inserts Figure 11 . - In another embodiment, the support of the invention may be used to support elongate covering elements of the floor which are configured as beams, for example wooden or aluminium beams.
- In the embodiments of
Figures 12 and13 , the adjustable support 100' is configured to support wooden beams and aluminium beams, respectively, or generally elongate elements which extend over the support face so as to cover thecentral hole 14. - In this case, the support 100' has an
annular member 10 which is provided with projections 501. These projections 501 preferably comprisesupport elements 502, for example, gripping handles, which allow the user to interact with theadjustable support 100 in spite of thecentral hole 14 of thesupport head 2 not being directly accessible, as will be explained below. Advantageously, there are present four projections 501 which are mutually equidistant. - This also allows adjustment of the height of the adjustable support without being able to gain access directly to the
central hole 14. - In the embodiment of
Figure 12 , aplate 600 is provided which is substantially discoidal and which includes a central depression 610 in the region of thecentral hole 14 of thesupport head 2. - The
plate 600 preferably comprises avertical bulkhead 601 in order to support the beam to be positioned on the support 100'. This embodiment is particularly suitable for wooden beams. - In the embodiment of
Figure 13 , the support 100' is provided with anadditional plate 650 comprising a pair ofhooked projections 651 in order to block the beam to be positioned on the support 100'. This embodiment is particularly suitable for aluminium beams. - The lower portion of the
plate 600 and theadditional plate 650 advantageously comprises a plurality of positioning and/or connection elements, preferably projections and/or snap-fit engagements, which are suitable for being connected to theopenings 230 of thesupport head 2. In both cases, thesupport head 2 is not provided with theprojections 23 in order to be able to be connected to theplate 600 or toadditional plate 650. - With reference to
Figures 14A and 14B , thebase element 1 comprises a closure insert 700, which can be seen inFigure 14B and which can be mounted in the lower portion of the base 11 in order to cover the openings present in the base itself. The closure insert 700 has preferably a parallelepipedal shape, even more preferably a square shape. This closure insert 700 allows isolation of thebase element 1 from possible infiltrations, for example, when the support surface S is constituted by a sheath. - The closure insert 700 allows to define a support base with a discoidal shape. Therefore, the support of the invention solves the proposed problems by allowing at the same time a number of advantages to be achieved with respect to the known supports.
- The supports of the invention can be used to construct raised floors to be supported on a surface S which is planar or also inclined.
- The support is further particularly flexible in use thanks to the possibility of using any combination of elements described in accordance with the needs of the user and the conditions of use.
Claims (11)
- A support (100) for raised floors comprising✔ a base element (1) having an annular member (10) and a base (11, 12) which is fixed to the annular member (10) and which is configured to be supported on a support surface (S) so as to define the base of the support (100),✔ a support head (2) which is configured to receive in a supporting way a covering element (101) of the floor (102) to be supported and which has a support face (21) which defines the support base for the covering element (101) of the floor (102) to be supported and an opposite second face (22) which is directed in use towards the support surface (S),✔ a support structure (3) which is configured to be interposed in use between the base element (1) and the support head (2), said support structure (3) being provided with connection elements (31) to connect the support structure (3) to the base element (1), the second face (22) being configured to be supported in use on an abutment surface (32) of the support structure (3), wherein the support (100)comprises a friction-producing device (25) having a friction end-piece (27) which is defined on one among said second face (22) and said abutment surface (32) and which is positioned so as to abut against the other among said abutment surface (32) and said second face (22) which is made of a high friction coefficient material in order to apply friction to the relative sliding between the support structure (3) and the support head (2) characterised in that the friction-producing device (25) further comprises a friction mat (26) which projects from the support base (21) and which is configured to apply friction to the sliding of the covering element (101) in relation to the support (100), the friction mat (26) preferably being constructed integrally with the friction end-piece (27) so as to form a friction element of the friction-producing device (25), each friction element further comprising a connection end-piece (5) between the friction mat (26) and the friction end-piece (27), wherein the friction end-piece (27) comprises a rib structure (27A) which extends in a radial direction on the second face (22) or on the abutment surface (32), respectively.
- A support (100) according to the preceding claim, wherein the friction end-piece (27) is positioned on the second face (22) so as to project from it in order to abut the support structure (3).
- A support (100) according to claim 1 or claim 2, wherein the friction end-piece (27) has a radial shape, preferably with a circumferential extent which increases from a centre (14) of the second face (22) towards the outer edge (2A) thereof or from a centre (32B) of the abutment surface (32) towards the outer edge (32A) thereof, respectively.
- A support (100) according to any one of the preceding claims,
wherein the friction-producing device (25) comprises a plurality of friction end-pieces (27) which are suitably spaced apart on the second face (22) or on the abutment surface (32), respectively, preferably 4 individual friction end-pieces (27). - A support (100) according to any one of the preceding claims,
wherein the connection elements (31) of the support structure (3) are adjustable connection elements (31) in order to connect the support structure (3) to the base element (1) in an adjustable way in order to adjust the spacing of the support face (21) from the support surface (S) . - A support (100) according to claim 1, wherein the friction end-piece (27) is positioned on the abutment surface (32) so as to project from it in order to abut the support head (2), the friction-producing device (25) preferably being constructed from elastomer material, preferably EPDM.
- A support (100) according to any one of the preceding claims,
wherein the base element (1) comprises a base (11) configured to be supported in use on the ground in order to define the base of the support (100) and an annular member (10) removably fixed to the base (11) and the support (100) further comprises at least one spacer member which is configured as an extension (200, 200') which is configured to be interposed between the base (11) and the annular member (10) and which is provided at a first longitudinal end (200A) thereof with an engagement device (40) for engaging the extension (200, 200') with the base (11) of the adjustable support (100), or with another extension (200'), and at an opposite longitudinal end (200B) with an additional engagement device (41) which is configured to be connected to the engagement device (40') of an additional extension (200') or to the annular member (10) of the base element (1) of the support (100). - A support (100) according to the preceding claim, wherein the extension (200, 200') has a substantially cylindrical member which is internally hollow and which is provided with a longitudinal cavity, in which the engagement device (40) comprises a first engagement element and a second engagement element which project longitudinally from the extension (200, 200') and which are mutually spaced apart in a radial direction so that between the first engagement element and the second engagement element remains defined an engagement sleeve (215) for engaging the extension (200, 200') with the base element (1) or another extension (200, 200'), the first engagement element comprising an internal collar (207) and the second engagement element comprising an external collar (203) which both project from the extension (200).
- A support (100) according to the preceding claim, wherein the external collar is provided with a plurality of fins (204) which project from the external collar in a longitudinal direction and which are configured to be connected to the other engagement device (41) of another extension or of the base element, each fin (204, 204') preferably being provided with an engagement tooth (205) which projects in a radial direction and which is configured to be received in a connection seat (206) which is provided in the additional engagement device (41) of another extension or of the base element.
- A support (100) according to the preceding claim, wherein the additional engagement device (41) comprises a plurality of connection seats (206) which are configured to receive the engagement teeth of the fins of an additional extension or of the annular member.
- A support (100) according to any one of claims 8 to 10,
wherein the extension is further provided with a plurality of external ribs which extend in a substantially longitudinal direction and preferably with a plurality of internal ribs which are defined on an internal wall of the extension and which extend in a substantially longitudinal direction over a longitudinal portion of the internal wall so that in the region of the second longitudinal end of the extension an insertion portion is defined without any ribs projecting from the extension.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102019000001215A IT201900001215A1 (en) | 2019-01-28 | 2019-01-28 | SUPPORT FOR RAISED FLOORS |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3686371A1 EP3686371A1 (en) | 2020-07-29 |
EP3686371B1 true EP3686371B1 (en) | 2021-12-01 |
Family
ID=66776662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20154206.5A Active EP3686371B1 (en) | 2019-01-28 | 2020-01-28 | A support for raised floor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3686371B1 (en) |
ES (1) | ES2905596T3 (en) |
IT (1) | IT201900001215A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202200006638A1 (en) * | 2022-04-04 | 2023-10-04 | Gelli Plast S R L | SUPPORT DEVICE |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU201511U1 (en) * | 2020-06-16 | 2020-12-18 | Алексей Викторович Цыпляков | UPPER SUPPORT OF ADJUSTABLE SUPPORT FOR RAISED FLOOR |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080105172A1 (en) | 2006-11-02 | 2008-05-08 | John Repasky | Pedestal for Ballast Block Decking |
BE1019482A3 (en) * | 2010-09-14 | 2012-07-03 | Solidor Rubber & Products Bvba | FORM ELEMENT AND A METHOD FOR MANAGING THEM. |
IT201600131200A1 (en) * | 2016-12-27 | 2018-06-27 | Andrea Marana | IMPROVED SUPPORT SYSTEM FOR RAISED FLOORS. |
EP3563016B1 (en) * | 2016-12-27 | 2021-03-10 | Marana, Andrea | Support system for raised floors |
-
2019
- 2019-01-28 IT IT102019000001215A patent/IT201900001215A1/en unknown
-
2020
- 2020-01-28 EP EP20154206.5A patent/EP3686371B1/en active Active
- 2020-01-28 ES ES20154206T patent/ES2905596T3/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202200006638A1 (en) * | 2022-04-04 | 2023-10-04 | Gelli Plast S R L | SUPPORT DEVICE |
Also Published As
Publication number | Publication date |
---|---|
IT201900001215A1 (en) | 2020-07-28 |
EP3686371A1 (en) | 2020-07-29 |
ES2905596T3 (en) | 2022-04-11 |
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