EP1464773B1 - Construction kit with a construction element and a spacer - Google Patents
Construction kit with a construction element and a spacer Download PDFInfo
- Publication number
- EP1464773B1 EP1464773B1 EP04075716A EP04075716A EP1464773B1 EP 1464773 B1 EP1464773 B1 EP 1464773B1 EP 04075716 A EP04075716 A EP 04075716A EP 04075716 A EP04075716 A EP 04075716A EP 1464773 B1 EP1464773 B1 EP 1464773B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support foot
- construction element
- construction
- spacer
- spacer screw
- 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.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 title claims abstract description 100
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 88
- 238000013016 damping Methods 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 15
- 238000004873 anchoring Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 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
- E04F15/02476—Screw jacks height-adjustable from the upper side of the floor
-
- 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
- E04F15/02005—Construction of joints, e.g. dividing strips
- E04F15/02022—Construction of joints, e.g. dividing strips with means for aligning the outer surfaces of the flooring elements
Definitions
- the present invention relates to a construction kit comprising a construction element, a thread, a spacer screw and a damping support foot wherein the thread is interiorly provided in the construction element, the spacer screw has a thread for cooperation with the inner thread, and the support foot is intended for abutment against a support surface, the distance between the support foot and the construction element being adjustable by rotation of the spacer screw, and the spacer screw and the support foot have mutually corresponding engagement means, by means of which the spacer screw is fixable in or on the support foot.
- Spacers for construction elements such as, for example, studs or boards are previously known in the art.
- a few common fields of practical use are the alignment of walls and floors.
- the spacers are inserted through holes in the construction elements or are alternatively disposed under them. It is to be particularly preferred if the spacers are accessible once the construction element has been finally positioned so that the alignment of the construction element may be adjusted. For example, the slope of a floor may be kept constant even if the substrate is uneven.
- Such ventilation constitutes one of many conceivable measures for alleviating a poor indoor environment, for example because of fungus or radon.
- dampers are of two main types.
- the first type is dampers which are so small that they are insertable through a hole in the construction element, i.e. their transverse dimension does not exceed the transverse dimension of the hole in the construction element.
- dampers which are so small that they are insertable through a hole in the construction element, i.e. their transverse dimension does not exceed the transverse dimension of the hole in the construction element.
- many problems are associated with these dampers. If the elastic damping material is excessively hard, vibrations will be propagated through it, in other words the damping effect will be insufficient. If, on the other hand, a softer material is employed, this suffers from the drawback that it is far too easily deformed, perhaps permanently, and breaks because the pressure on the damper is too great.
- the second type of damper is considerably larger, in order to reduce the pressure on the damper.
- the problem in this case is that such a damper cannot be passed through the hole in the construction element.
- This entails that the spacer and the damper must be mounted on the underside of the construction clement, which may cause difficulties in transport, assembly and adjustment. The situation becomes particularly complex if the spacers are long. Transport of construction elements with pre-assembled spacers can, in such instance, be extremely bulky and as a result costly.
- DE-A-22 43 102 discloses a support foot in a construction element. There is an interior thread in the construction element and a spacer screw in cooperation therewith. The support foot is fixable on the spacer screw, when the spacer screw is rotated, the distance between the support foot and the construction element is varied.
- SE-C-508 986 discloses construction elements supported by spacer screws, which are adjustable in an interior thread in the construction element.
- the spacer screws are hollow and fixable against a substructure.
- WO 00/63509 discloses a hollow spacer screw in an interior thread in a joist. At the bottom of the spacer screw there is an elastic damping element.
- the object is to realise a construction kit which affords adequate damping and functions satisfactorily in all other respects.
- it must be easy to transport and assemble the construction elements and later adjust the spacer to a suitable level.
- the damping feet are delivered separately from the construction element.
- the support foot has a second engagement means by means of which it is fixable in the construction element, and the second engagement means of the support foot is releasable from the construction element, by means of the mutually corresponding engagement means of the spacer screw and the support foot.
- Fig. 1 shows a construction element 1 in the form of a board, for example for a bearing layer for a flooring.
- the construction element 1 is provided with a number of holes 2 in which may be disposed spacers 3.
- a bushing 4 is disposed in the hole 2 and is interiorly threaded.
- a corresponding thread 5 be provided on the inside of the hole 2, in some other way.
- damping support foot 6 In the hole 2, there is disposed a damping support foot 6.
- the support foot 6 is preferably pre-mounted in the hole 2.
- the construction element 1 which may be a board or a stud, has a spatial extent, i.e. the construction element 1 has its major extent in one plane, as is the case in a board, or substantially along a line, as is the case in stud.
- the extent of the construction element 1 depends upon the type of construction element 1, as well as the stresses and loading which it is expected to withstand.
- the construction element 1 proper is thin in relation to the space behind or beneath the assembled construction element 1.
- the space beneath the floor is quite large in the vertical direction, and this entails that the spacer 3 must be of an extent in the longitudinal direction which substantially exceeds the thickness of the construction element 1.
- the thread 5 provided interiorly in the construction element 1 is either disposed directly in the board or element 1 or in a loose bushing 4 which has been provided in the hole 2.
- the bushing 4 is manufactured from plastic, but other materials are also conceivable.
- the bushing 4 is disposed in position in the hole 2 preferably by a press- or snap-action.
- the damping support foot 6 has a damping coating 7 and is of a transverse dimension that is greater than the hole 2.
- the damping coating 7 is intended to abut against the substrate on a sufficiently large surface area for a soft material to be able to be used without the pressure being so great that the damping coating 7 is excessively deformed.
- the support foot 6 may be manufactured from numerous different materials, for example metal, plastic such as polyamide, or hard rubber, while the damping coating is preferably manufactured from some rubber-like elastic material or a material with inner damping.
- the damping support foot 6 is pre-mounted in the hole 2 in the construction element 1. This entails that it projects out from the construction element 1 only to a limited extent, which affords good possibilities for storing and transporting the construction element 1 with pre-mounted damping support feet 6 in an economically efficient manner.
- the support foot 6 has an upwardly directed sleeve 8 which, in addition to being upwardly directed, is provided with an outer thread 9.
- the length of the sleeve 8 is less than the thickness of the construction element 1 so that the sleeve 8 and its thread 9 may be wholly accommodated in the inner thread 5 of the construction element 1 for realising a damping support foot 6 which projects minimally.
- the thread 9 of the sleeve 8 need not be particularly long, since its function is merely to keep the support foot 6 in place during transport.
- the sleeve 8 is further provided with an inner engagement means 10 which, in the preferred embodiment, is an inner thread.
- Fig. 2 is a side elevation of the construction element 1 and the damping support foot 6 is screwed in position.
- a spacer screw 11 which is about to be inserted in the hole 2 in the construction element 1.
- the spacer screw 11 has an upper region 12 which is threaded and whose length is optional and advantageously variable, for example by cutting. The cutting operation is advantageously carried out once the spacer screw 11 has been adjusted to its final position.
- the upper region 12 is thus provided with a first outer thread 13 which meshes with the inner thread 5 provided in the construction element.
- a lower region in the form of a projection or a pin 14 is provided with an engagement means 15 which, in the preferred embodiment, is a second, outer thread which meshes in the inner thread 10 of the sleeve 8.
- the pin 14 is so long that it can be screwed to bottom in the sleeve 8 of the support foot 6 so that an additional rotation of the spacer screw 11 entails a simultaneous rotation of the damping support foot 6. In such instance, this allows the support foot 6 to be released from the inner thread 5 in the construction element 1 before the outer thread 13 of the upper region 12 meshes with the inner thread in the construction element 1.
- the sum total of the length of the inner thread 10 of the support foot 6 and the length of the inner thread 5 in the construction element 1 is thus less than the length of the pin 14.
- Fig. 3 shows a sectional view of the spacer 3 which includes the spacer screw 11, the support foot 6 and the inner thread 5 in the construction element 1.
- the spacer screw 11 and the support foot 6 are interconnected to one another via the second outer thread 15 of the spacer screw 11 and the inner thread 10 of the sleeve 8.
- the spacer screw 11 has meshed with the inner thread 5 of the bushing 4 with its upper region 12.
- the outer thread 9 of the support foot 6 has been released from the inner thread 5 of the construction element 1. This release operation does not take place until the pin 14 of the spacer screw 11 has bottomed out in the sleeve 8.
- the total length of the spacer screw 11 is optional, which gives a very high degree of flexibility for the fields of use of the construction element 1.
- the distance between the construction element 1 and the substrate depends upon the length of the spacer screw 11 and its insertion in the inner thread 5. The distance is variable from a distance that merely entails that the damping foot will have room beneath the construction element 1, to a considerable length of the spacer which, however, must still afford stability to the construction as a whole.
- Fig. 4 shows a schematic sectional view through the support foot 6 and the pin 14 of the spacer screw 11.
- the spacer screw is advantageously hollow so that a screw, bolt or other anchorage device 16 may be fixed in the substrate 17.
- the support foot 6 has a central hole 18 and the spacer screw 11 a corresponding hole 19 for simple passage of the anchorage device 16, but it is also conceivable to design the anchorage device 16 so that it is capable of drilling through the bottom of the spacer screw 11 and the support foot 6 only on anchorage in the substrate 17.
- the material in the spacer screw 11 and the support foot 6, respectively, should be selected so that through drilling is possible.
- Fig. 5 shows an alternative embodiment in greater detail and in section after fixing of the spacer screw 11 and its foot 6 in the substrate 17.
- the screw 16 which may be a concrete screw or bolt
- a spacer sleeve 20 which is exteriorly provided with a damping bushing 21.
- the spacer sleeve 20 is disposed with friction fit in the hole 18 in the support foot 6.
- the length of the spacer sleeve 20 is adapted to the length of the screw 16 so that the screw 16 is screwed in a sufficient distance when it urges the spacer sleeve 20 against the substrate 17. With the aid of the spacer sleeve 20, uniform tightening of the screws 16 in the substrate 17 will be achieved.
- the damping bushing 21 is disposed outside the spacer sleeve 20 in order to prevent a direct, vibration-transmitting contact between the substrate 17 and the spacer screw 11.
- footfall noise is prevented from being transmitted from the construction element 1 to the substrate 17, which in turn may propagate noise to other parts of the building.
- the damping bushings 21 has a collar 22 which is disposed between the head of the screw 16 and the inside of the spacer screw 11.
- the soft material in the collar 22 and the rest of the bushing 21 together damp noise and other vibrations in a corresponding manner to the material in the support foot 6.
- the bushing 21 with the spacer sleeve 20 pre-mounted therein is located as a continuous unit interiorly in the lower, pin-shaped projection 14 of the spacer screw 11, for example by friction.
- the engagement means 10 in the foot 6 has been described above as being in the form of a thread. However, it is entirely possible to modify the kit according to the present invention so that cooperation between the engagement means 10 and the pin 14 of the spacer screw 11 takes place by some other form of engagement.
- a type of engagement could be a bayonet catch.
- the essential feature is that the spacer screw 11 is capable of acting on the support foot 6 so that this is screwed out of the thread 5.
- FIG. 6 Another type of engagement is shown in Fig. 6 .
- the spacer screw 11 is provided with an engagement means which comprises a series, in this case four in number, of ribs 23, 24 at uniform spacing from one another about the circumference of the spacer screw 11.
- Two of the ribs 23 are resilient, since slots 25 are disposed on either side of these ribs 23 and extend a distance, approximately halfway, along the sides of the ribs 23.
- the two ribs 24 which are not resilient are slightly shorter than the other ribs 23, so that they do not cooperate with the projections and depressions in the sleeve 8 of the support foot 6. The resulting connection can absorb both torsional forces and tractive
- the spacer screw 11 may be provided at its lower end 14 with a so-called spline connection which comprises a series of projecting ribs at uniform spacing from one another about the circumference of the spacer screw 11.
- Each rib has a depression for cooperation with a complementarily formed projection in the sleeve 8 of the support foot 6.
- the projections are disposed in the bottom of grooves interiorly in the sleeve 8 of the support foot 6 and the grooves complement the ribs.
- the resulting spline connection can absorb forces both in the longitudinal direction as well as torsional forces.
- the inner thread 5 disposed in the construction element 1 has been presented as disposed in a loose bushing 4 which is inserted in the hole 2 in the construction element 1.
- the support foot 6 in the pre-mounted position was threaded in the inner thread 5 in the construction element.
- a few examples are a friction engagement which is realised by a specifically provided friction layer, an elastic ring around the sleeve 8 or slots in the sleeve 8 which permit pressing in the hole 2.
- the engagement means for the pre-mounted position further.
- the support foot be provided with engagement means which cooperate with the underside of the construction element 1 rather than with the hole 2 or its thread 5.
- One example is upwardly directed projections on the upper side of the support foot 6. The projections are disposed so that they can be pressed into the construction element 1 around the hole 2.
- a feature common to the different methods is that it must be quite simple to release the support foot 6 from the pre-mounted state on mounting and subsequent adjustment of the construction element 1.
- the support foot 6 and the spacer screw 11 are non-rotationally interconnectable to one another, since the support foot 6 must be screwed out of the thread 5 provided in the construction element 1. This implies that the support foot 6 will rotate with spacer screws 11 throughout the entire adjustment procedure. Possibly, this may occasion problems since the friction between the underside 7 of the support foot and a subjacent concrete floor may be expected to be high.
- the lower end region 14 of the spacer screw 11 is rotatably fixable, for example via a snap connection, in the upwardly directed sleeve 8 of the support foot.
- This sleeve 8 is then fixable in the construction element 1 or in its bushing 4 in such a manner that it does not need to be rotated in order to be released.
- An axial movement for release is appropriate and the fixing of the sleeve 8 may be realised by friction, by snap action, by a frangible glue connection etc. Regardless of how this fixing is realised, it is important that the fixing of the spacer screw 11 in the sleeve 8 requires considerably less axial compression force than does the release of the sleeve 8 from the construction element 1.
Abstract
Description
- The present invention relates to a construction kit comprising a construction element, a thread, a spacer screw and a damping support foot wherein the thread is interiorly provided in the construction element, the spacer screw has a thread for cooperation with the inner thread, and the support foot is intended for abutment against a support surface, the distance between the support foot and the construction element being adjustable by rotation of the spacer screw, and the spacer screw and the support foot have mutually corresponding engagement means, by means of which the spacer screw is fixable in or on the support foot.
- Spacers for construction elements such as, for example, studs or boards are previously known in the art. A few common fields of practical use are the alignment of walls and floors. Typically, the spacers are inserted through holes in the construction elements or are alternatively disposed under them. It is to be particularly preferred if the spacers are accessible once the construction element has been finally positioned so that the alignment of the construction element may be adjusted. For example, the slope of a floor may be kept constant even if the substrate is uneven. In certain cases, it is desirable to provide space beneath or behind the construction element, respectively, since it is then possible to provide ventilation therethrough. Such ventilation constitutes one of many conceivable measures for alleviating a poor indoor environment, for example because of fungus or radon.
- One aspect that is interesting in certain practical applications is sound damping and in particular the damping of footfall noise in floors. To these ends, the spacers are occasionally provided with elastic dampers on their end facing towards the substrate. These dampers are of two main types.
- The first type is dampers which are so small that they are insertable through a hole in the construction element, i.e. their transverse dimension does not exceed the transverse dimension of the hole in the construction element. Unfortunately, many problems are associated with these dampers. If the elastic damping material is excessively hard, vibrations will be propagated through it, in other words the damping effect will be insufficient. If, on the other hand, a softer material is employed, this suffers from the drawback that it is far too easily deformed, perhaps permanently, and breaks because the pressure on the damper is too great.
- The second type of damper is considerably larger, in order to reduce the pressure on the damper. However, the problem in this case is that such a damper cannot be passed through the hole in the construction element. This entails that the spacer and the damper must be mounted on the underside of the construction clement, which may cause difficulties in transport, assembly and adjustment. The situation becomes particularly complex if the spacers are long. Transport of construction elements with pre-assembled spacers can, in such instance, be extremely bulky and as a result costly.
-
DE-A-22 43 102 discloses a support foot in a construction element. There is an interior thread in the construction element and a spacer screw in cooperation therewith. The support foot is fixable on the spacer screw, when the spacer screw is rotated, the distance between the support foot and the construction element is varied. -
SE-C-508 986 -
WO 00/63509 -
US-A-4 258 516 discloses a damping foot which is connected to a floor plate by means of a threaded supporting rod. - Hence, the object is to realise a construction kit which affords adequate damping and functions satisfactorily in all other respects. At the same time, it must be easy to transport and assemble the construction elements and later adjust the spacer to a suitable level. In the constructions according to the prior art, the damping feet are delivered separately from the construction element.
- The object forming the basis of the present invention will be attained if the construction kit intimated by way of introduction is characterised in that the support foot has a second engagement means by means of which it is fixable in the construction element, and the second engagement means of the support foot is releasable from the construction element, by means of the mutually corresponding engagement means of the spacer screw and the support foot.
- Further advantages will be attained if the construction kit according to the present invention is moreover given one or more of the characterising features as set forth in appended
Claims 2 to 14. - The present invention will now be described in greater detail hereinbelow, with reference to the accompanying Drawings. In the accompanying Drawings:
- Fig. 1
- is a section through a construction element with a damping support foot included in the spacer in the kit according to the present invention disposed therein;
- Fig. 2
- is a straight side elevation of the construction element, the damping support foot and a spacer screw in the kit included in the present invention;
- Fig. 3
- is a section corresponding to that of
Fig. 1 where the spacer screw according toFig. 2 has been inserted a distance in the construction element and the damping support foot; - Fig. 4
- is a section through the support foot, an anchorage in the substrate being shown;
- Fig. 5
- is a section through an alternative embodiment showing parts in the anchorage; and
- Fig. 6
- is a perspective view of the alternative embodiment of the engagement means of the spacer screw.
-
Fig. 1 shows aconstruction element 1 in the form of a board, for example for a bearing layer for a flooring. Theconstruction element 1 is provided with a number ofholes 2 in which may be disposedspacers 3. In the preferred embodiment, abushing 4 is disposed in thehole 2 and is interiorly threaded. However, it is conceivable that acorresponding thread 5 be provided on the inside of thehole 2, in some other way. - In the
hole 2, there is disposed a dampingsupport foot 6. Thesupport foot 6 is preferably pre-mounted in thehole 2. - In all cases, the
construction element 1, which may be a board or a stud, has a spatial extent, i.e. theconstruction element 1 has its major extent in one plane, as is the case in a board, or substantially along a line, as is the case in stud. The extent of theconstruction element 1 depends upon the type ofconstruction element 1, as well as the stresses and loading which it is expected to withstand. In many cases, theconstruction element 1 proper is thin in relation to the space behind or beneath the assembledconstruction element 1. In the case where the intention is to install equipment, such as conduits, beneath a floor, the space beneath the floor is quite large in the vertical direction, and this entails that thespacer 3 must be of an extent in the longitudinal direction which substantially exceeds the thickness of theconstruction element 1. - As was intimated above, the
thread 5 provided interiorly in theconstruction element 1 is either disposed directly in the board orelement 1 or in aloose bushing 4 which has been provided in thehole 2. In the preferred embodiment, thebushing 4 is manufactured from plastic, but other materials are also conceivable. Thebushing 4 is disposed in position in thehole 2 preferably by a press- or snap-action. - The damping
support foot 6 has a dampingcoating 7 and is of a transverse dimension that is greater than thehole 2. The dampingcoating 7 is intended to abut against the substrate on a sufficiently large surface area for a soft material to be able to be used without the pressure being so great that the dampingcoating 7 is excessively deformed. Thesupport foot 6 may be manufactured from numerous different materials, for example metal, plastic such as polyamide, or hard rubber, while the damping coating is preferably manufactured from some rubber-like elastic material or a material with inner damping. - The damping
support foot 6 is pre-mounted in thehole 2 in theconstruction element 1. This entails that it projects out from theconstruction element 1 only to a limited extent, which affords good possibilities for storing and transporting theconstruction element 1 with pre-mounted dampingsupport feet 6 in an economically efficient manner. Thesupport foot 6 has an upwardly directedsleeve 8 which, in addition to being upwardly directed, is provided with anouter thread 9. The length of thesleeve 8 is less than the thickness of theconstruction element 1 so that thesleeve 8 and itsthread 9 may be wholly accommodated in theinner thread 5 of theconstruction element 1 for realising a dampingsupport foot 6 which projects minimally. Thethread 9 of thesleeve 8 need not be particularly long, since its function is merely to keep thesupport foot 6 in place during transport. - The
sleeve 8 is further provided with an inner engagement means 10 which, in the preferred embodiment, is an inner thread. -
Fig. 2 is a side elevation of theconstruction element 1 and the dampingsupport foot 6 is screwed in position. Above theconstruction element 1, there is disposed aspacer screw 11 which is about to be inserted in thehole 2 in theconstruction element 1. Thespacer screw 11 has anupper region 12 which is threaded and whose length is optional and advantageously variable, for example by cutting. The cutting operation is advantageously carried out once thespacer screw 11 has been adjusted to its final position. Theupper region 12 is thus provided with a firstouter thread 13 which meshes with theinner thread 5 provided in the construction element. A lower region in the form of a projection or apin 14 is provided with an engagement means 15 which, in the preferred embodiment, is a second, outer thread which meshes in theinner thread 10 of thesleeve 8. Thepin 14 is so long that it can be screwed to bottom in thesleeve 8 of thesupport foot 6 so that an additional rotation of thespacer screw 11 entails a simultaneous rotation of the dampingsupport foot 6. In such instance, this allows thesupport foot 6 to be released from theinner thread 5 in theconstruction element 1 before theouter thread 13 of theupper region 12 meshes with the inner thread in theconstruction element 1. The sum total of the length of theinner thread 10 of thesupport foot 6 and the length of theinner thread 5 in theconstruction element 1 is thus less than the length of thepin 14. - In order for it to be possible to turn and adjust the
spacer screw 11, it is suitably provided at its upper end with an engagement means which may cooperate with a tool. -
Fig. 3 shows a sectional view of thespacer 3 which includes thespacer screw 11, thesupport foot 6 and theinner thread 5 in theconstruction element 1. In the Figure, thespacer screw 11 and thesupport foot 6 are interconnected to one another via the secondouter thread 15 of thespacer screw 11 and theinner thread 10 of thesleeve 8. Thespacer screw 11 has meshed with theinner thread 5 of thebushing 4 with itsupper region 12. Prior to this, theouter thread 9 of thesupport foot 6 has been released from theinner thread 5 of theconstruction element 1. This release operation does not take place until thepin 14 of thespacer screw 11 has bottomed out in thesleeve 8. - The total length of the
spacer screw 11 is optional, which gives a very high degree of flexibility for the fields of use of theconstruction element 1. The distance between theconstruction element 1 and the substrate depends upon the length of thespacer screw 11 and its insertion in theinner thread 5. The distance is variable from a distance that merely entails that the damping foot will have room beneath theconstruction element 1, to a considerable length of the spacer which, however, must still afford stability to the construction as a whole. -
Fig. 4 shows a schematic sectional view through thesupport foot 6 and thepin 14 of thespacer screw 11. The spacer screw is advantageously hollow so that a screw, bolt orother anchorage device 16 may be fixed in thesubstrate 17. Thesupport foot 6 has acentral hole 18 and the spacer screw 11 a correspondinghole 19 for simple passage of theanchorage device 16, but it is also conceivable to design theanchorage device 16 so that it is capable of drilling through the bottom of thespacer screw 11 and thesupport foot 6 only on anchorage in thesubstrate 17. In such instance, the material in thespacer screw 11 and thesupport foot 6, respectively, should be selected so that through drilling is possible. -
Fig. 5 shows an alternative embodiment in greater detail and in section after fixing of thespacer screw 11 and itsfoot 6 in thesubstrate 17. In addition to thescrew 16, which may be a concrete screw or bolt, there is also advantageously provided aspacer sleeve 20 which is exteriorly provided with a dampingbushing 21. Thespacer sleeve 20 is disposed with friction fit in thehole 18 in thesupport foot 6. The length of thespacer sleeve 20 is adapted to the length of thescrew 16 so that thescrew 16 is screwed in a sufficient distance when it urges thespacer sleeve 20 against thesubstrate 17. With the aid of thespacer sleeve 20, uniform tightening of thescrews 16 in thesubstrate 17 will be achieved. - The damping
bushing 21 is disposed outside thespacer sleeve 20 in order to prevent a direct, vibration-transmitting contact between thesubstrate 17 and thespacer screw 11. By such means, for example footfall noise is prevented from being transmitted from theconstruction element 1 to thesubstrate 17, which in turn may propagate noise to other parts of the building. - The damping
bushings 21 has acollar 22 which is disposed between the head of thescrew 16 and the inside of thespacer screw 11. The soft material in thecollar 22 and the rest of thebushing 21 together damp noise and other vibrations in a corresponding manner to the material in thesupport foot 6. Thebushing 21 with thespacer sleeve 20 pre-mounted therein is located as a continuous unit interiorly in the lower, pin-shapedprojection 14 of thespacer screw 11, for example by friction. - The engagement means 10 in the
foot 6 has been described above as being in the form of a thread. However, it is entirely possible to modify the kit according to the present invention so that cooperation between the engagement means 10 and thepin 14 of thespacer screw 11 takes place by some other form of engagement. For example, such a type of engagement could be a bayonet catch. The essential feature is that thespacer screw 11 is capable of acting on thesupport foot 6 so that this is screwed out of thethread 5. - Another type of engagement is shown in
Fig. 6 . At itslower end 14, thespacer screw 11 is provided with an engagement means which comprises a series, in this case four in number, ofribs spacer screw 11. Two of theribs 23 are resilient, sinceslots 25 are disposed on either side of theseribs 23 and extend a distance, approximately halfway, along the sides of theribs 23. At the lower ends of theribs 23, there are provided twodepressions 26 and oneprojection 27 which are disposed to cooperate with complementarily formed projections and depressions in thesleeve 8 of thesupport foot 6. In thesleeve 8 of thesupport foot 6, there are also provided grooves which are complementary to theribs ribs 24 which are not resilient are slightly shorter than theother ribs 23, so that they do not cooperate with the projections and depressions in thesleeve 8 of thesupport foot 6. The resulting connection can absorb both torsional forces and tractive forces. - Alternatively, the
spacer screw 11 may be provided at itslower end 14 with a so-called spline connection which comprises a series of projecting ribs at uniform spacing from one another about the circumference of thespacer screw 11. Each rib has a depression for cooperation with a complementarily formed projection in thesleeve 8 of thesupport foot 6. The projections are disposed in the bottom of grooves interiorly in thesleeve 8 of thesupport foot 6 and the grooves complement the ribs. The resulting spline connection can absorb forces both in the longitudinal direction as well as torsional forces. - In the foregoing description, the
inner thread 5 disposed in theconstruction element 1 has been presented as disposed in aloose bushing 4 which is inserted in thehole 2 in theconstruction element 1. Naturally, it is possible to provide theinner thread 5 in theconstruction element 1 in a different manner, for example directly in the material of the element. - In the preferred embodiment, it was described how the
support foot 6 in the pre-mounted position was threaded in theinner thread 5 in the construction element. Alternatively, it is entirely possible to hold thesupport foot 6 in the pre-mounted position with the aid of some other type of engagement means. A few examples are a friction engagement which is realised by a specifically provided friction layer, an elastic ring around thesleeve 8 or slots in thesleeve 8 which permit pressing in thehole 2. It is entirely possible to vary the engagement means for the pre-mounted position further. In such instance, it is conceivable that the support foot be provided with engagement means which cooperate with the underside of theconstruction element 1 rather than with thehole 2 or itsthread 5. One example is upwardly directed projections on the upper side of thesupport foot 6. The projections are disposed so that they can be pressed into theconstruction element 1 around thehole 2. However, a feature common to the different methods is that it must be quite simple to release thesupport foot 6 from the pre-mounted state on mounting and subsequent adjustment of theconstruction element 1. - In the above-described embodiments, the
support foot 6 and thespacer screw 11 are non-rotationally interconnectable to one another, since thesupport foot 6 must be screwed out of thethread 5 provided in theconstruction element 1. This implies that thesupport foot 6 will rotate withspacer screws 11 throughout the entire adjustment procedure. Possibly, this may occasion problems since the friction between theunderside 7 of the support foot and a subjacent concrete floor may be expected to be high. - The above-mentioned problem is obviated in one embodiment where the
lower end region 14 of thespacer screw 11 is rotatably fixable, for example via a snap connection, in the upwardly directedsleeve 8 of the support foot. Thissleeve 8 is then fixable in theconstruction element 1 or in itsbushing 4 in such a manner that it does not need to be rotated in order to be released. An axial movement for release is appropriate and the fixing of thesleeve 8 may be realised by friction, by snap action, by a frangible glue connection etc. Regardless of how this fixing is realised, it is important that the fixing of thespacer screw 11 in thesleeve 8 requires considerably less axial compression force than does the release of thesleeve 8 from theconstruction element 1. - The present invention may be modified further without departing from the scope of the appended Claims.
Claims (14)
- Construction kit comprising a construction element (1), a thread, a spacer screw and a damping support foot, wherein the thread (5) is interiorly provided in the construction element (1), the spacer screw (11) has a thread (13) for cooperation with the inner thread (5), and the support foot (6) is intended for abutment against a support surface, the distance between the support foot and the construction element being adjustable by rotation of the spacer screw, and the spacer screw (11) and the support foot (6) have mutually corresponding engagement means (10, 15) by means of which the spacer screw (11) is fixable in or on the support foot (6), characterised in that the support foot (6) has a second engagement means (9) by means of which it is fixable in the construction element (1); and the second engagement means (9) of the support foot is releasable from the construction element (1) by means of the mutually corresponding engagement means of the spacer screw and the support foot.
- The construction kit as claimed in Claim 1, characterised in that the spacer screw (11) has a longitudinal channel (18) in which a fixing means (16) is disposed so that it extends down in a substrate (17) beneath the support foot (6) for anchoring, in the axial direction, the spacer in the substrate.
- The construction kit as claimed in Claim 2, characterised in that there is disposed, about the fixing means (16), a spacer sleeve (20) which, on fixing of the fixing means, is disposed to abut against both the head of the fixing means and against the surface of the substrate.
- The construction kit as claimed in Claim 2 or 3, characterised in that the channel (18) has a radial abutment; that there is disposed, about the fixing means (16), a noise-damping bushing (21) which has a radially projecting flange which, when the fixing means is fixed in place, is located between the abutment of the channel and the head of the fixing means (16).
- The construction kit as claimed in Claim 4, characterised in that the spacer sleeve (20) is disposed interiorly in the noise-damping bushing (21).
- The construction kit as claimed in any of Claims 1 to 5, characterised in that the support foot (6) and the spacer screw (11) are manufactured in two separate parts (6, 11).
- The construction kit as claimed in any of Claims 1 to 6, characterised in that the first engagement means of the support foot (6) is releasably fixable in the inner thread (5).
- The construction kit as claimed in Claim 7, characterised in that the second engagement means (9) of the support foot (6) is a thread.
- The construction kit as claimed in any of Claims 1 to 8, characterised in that the mutually corresponding engagement means (10, 15) of the support foot (6) and the spacer screw (11) are threads.
- The construction kit as claimed in any of Claims 1 to 9, characterised in that the mutually corresponding engagement means (10, 15) of the support foot (6) and the spacer screw (11) are splines.
- The construction kit as claimed in any of Claims 1 to 10, characterised in that the support foot (6) is pre-mounted in the inner thread (5) of the construction element (1).
- The construction kit as claimed in any of Claims 1 to 11, characterised in that the support foot (6) has a largest transverse dimension which exceeds the transverse dimension of the thread (5) provided in the construction element (1).
- The construction kit as claimed in Claim 9 or 10, characterised in that the length of the outer engagement means (15) of the spacer screw (11) exceeds the sum total of the length of the inner engagement means (10) of the support foot (6) and the inner thread (5) of the construction element (1).
- The construction kit as claimed in any of Claims 1 to 13, characterised in that the inner thread (5) of the construction element (1) is realised in a bushing (4) disposed in the construction element (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04075716T PL1464773T3 (en) | 2003-04-04 | 2004-03-11 | Construction kit with a construction element and a spacer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0300996 | 2003-04-04 | ||
SE0300996A SE525035C2 (en) | 2003-04-04 | 2003-04-04 | Spacers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1464773A1 EP1464773A1 (en) | 2004-10-06 |
EP1464773B1 true EP1464773B1 (en) | 2011-06-29 |
Family
ID=20290935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04075716A Expired - Lifetime EP1464773B1 (en) | 2003-04-04 | 2004-03-11 | Construction kit with a construction element and a spacer |
Country Status (8)
Country | Link |
---|---|
US (1) | US20040206039A1 (en) |
EP (1) | EP1464773B1 (en) |
AT (1) | ATE514823T1 (en) |
DK (1) | DK1464773T3 (en) |
ES (1) | ES2368840T3 (en) |
NO (1) | NO326917B1 (en) |
PL (1) | PL1464773T3 (en) |
SE (1) | SE525035C2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7210557B2 (en) * | 2004-04-06 | 2007-05-01 | Ets-Lindgren, L.P. | Low profile acoustic flooring |
ITVR20070043A1 (en) * | 2007-03-22 | 2008-09-23 | Valeria Santolin | LAMINATED LEATHER FLOOR WITH FLEXIBLE SELF-LOCKING SYSTEM |
BE1019482A3 (en) * | 2010-09-14 | 2012-07-03 | Solidor Rubber & Products Bvba | FORM ELEMENT AND A METHOD FOR MANAGING THEM. |
WO2022137073A1 (en) * | 2020-12-21 | 2022-06-30 | Dakota Group S.A.S. Di Zeno Cipriani & C. | Support system for raised floors |
EP4257776A1 (en) | 2022-04-08 | 2023-10-11 | Hertig Knut AB | Dampening spacer |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2940784A (en) * | 1956-06-06 | 1960-06-14 | William B Fell | Precision threaded adjustment |
US3216157A (en) * | 1961-06-28 | 1965-11-09 | George S Pinter | Concrete structure and process for making same |
US3308587A (en) * | 1963-12-30 | 1967-03-14 | G L C Bowling Supplies Inc | Bowling alley board adjustor |
US3511001A (en) * | 1968-03-14 | 1970-05-12 | William R Morgan Jr | Resilient leveling means for floors |
DE2243102C3 (en) * | 1972-09-01 | 1975-03-27 | Kurt 8900 Augsburg Brendle | Subfloor composed of panels, elevated on a solid raw floor with height-adjustable support devices |
US4258516A (en) * | 1978-06-16 | 1981-03-31 | Bridgestone Tire Company Limited | Apparatus for supporting floor plates above substrate |
US4348841A (en) * | 1979-05-18 | 1982-09-14 | Bridgestone Tire Co., Ltd. | Outer heat insulating structure on a building roof |
NO155784C (en) * | 1985-02-13 | 1987-05-27 | Terje Edvardsen | ADJUSTABLE MOUNTING MOUNT FOR JOINING TWO CONSTRUCTION PARTS. |
SE508986C2 (en) * | 1994-12-29 | 1998-11-23 | Bo Livre | Device for installation of building plates |
SE514157C2 (en) * | 1999-04-20 | 2001-01-15 | Nivell System Ab | Building construction for floors, walls or ceilings including rules fitted with level setting screws and rules therefore |
US6185870B1 (en) * | 1999-08-06 | 2001-02-13 | Stafast Products, Inc. | Adjustable threshold assembly |
-
2003
- 2003-04-04 SE SE0300996A patent/SE525035C2/en not_active IP Right Cessation
-
2004
- 2004-03-11 ES ES04075716T patent/ES2368840T3/en not_active Expired - Lifetime
- 2004-03-11 PL PL04075716T patent/PL1464773T3/en unknown
- 2004-03-11 AT AT04075716T patent/ATE514823T1/en not_active IP Right Cessation
- 2004-03-11 DK DK04075716.3T patent/DK1464773T3/en active
- 2004-03-11 EP EP04075716A patent/EP1464773B1/en not_active Expired - Lifetime
- 2004-03-12 NO NO20041067A patent/NO326917B1/en not_active IP Right Cessation
- 2004-05-07 US US10/840,858 patent/US20040206039A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
NO20041067L (en) | 2004-10-05 |
PL1464773T3 (en) | 2011-11-30 |
SE525035C2 (en) | 2004-11-16 |
US20040206039A1 (en) | 2004-10-21 |
ATE514823T1 (en) | 2011-07-15 |
NO326917B1 (en) | 2009-03-16 |
DK1464773T3 (en) | 2011-10-17 |
EP1464773A1 (en) | 2004-10-06 |
ES2368840T3 (en) | 2011-11-22 |
SE0300996D0 (en) | 2003-04-04 |
SE0300996L (en) | 2004-10-05 |
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