EP1608827A1 - Elevated floor assembly - Google Patents
Elevated floor assemblyInfo
- Publication number
- EP1608827A1 EP1608827A1 EP04725058A EP04725058A EP1608827A1 EP 1608827 A1 EP1608827 A1 EP 1608827A1 EP 04725058 A EP04725058 A EP 04725058A EP 04725058 A EP04725058 A EP 04725058A EP 1608827 A1 EP1608827 A1 EP 1608827A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- floor
- elevated
- assembly according
- floor assembly
- panel
- 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.)
- Granted
Links
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
-
- 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
- E04F15/02405—Floor panels
Definitions
- the present invention relates to an elevated floor assembly
- Elevated floor assemblies are commonly used in commercial applications and office buildings, where a substantial number of cables, pipes and ducts are required and where it is desirable to maintain accessibility to the latter for ease of installation, change 01 removal
- An elevated floor assembly basically consists of floor panels supported above the base floor by pedestals The pedestals are normally located so as to provide support at panel corners Cables, pipes or even air conditioning services are thus installed in a chamber formed between the base floor and the elevated floor and are easily accessible by simply removing the floor panels where needed
- the pedestals geneially comprise a column having a lowet end and an upper end, wherein the lower end is connected to a base plate foi resting on the base floor and the upper end is connected to a support plate for receiving the floor panels thereon
- the design of the support plate is often very complicated, especially if stnnger membeis, which are geneially used to reinforce the elevated flooi assembly, are to be connected lo the support plates
- Such support plates aie e g shown m GB 2 226 060, wherein the support plate has radial tabs for the coupling of coi responding ends of stringer members
- the pedestals are often designed so that the height of the elevated flooi above the base floor can be adjusted Such adjustment is often necessary due to irregularities in the surface of the base floor Often, the pedestal comprises two members, connected together via a threaded connection By rotating one member with respect to the other, fine height adjustment of the pedestal is achieved This design does however generally not allow for a more substantial height adjustment It will also be appreciated that the
- the invention proposes an elevated floor assembly comprising floor panels having an upper surface, an opposite lower surface and side faces, two adjoining side faces meeting in corner portions of the floor panel.
- the elevated floor assembly further comprises pedestals for supporting the floor panels at their corner portions above a base floor, wherein the pedestals comprise a shaft having a lower end being connected to a base plate for resting on the base floor and an upper end being connected to a supporting column for supporting the corner portions of the floor panels.
- the floor panels comprise lugs on the lover surface In the region of tiie corner portions, the lugs extending in a direction that Is substantially perpendicular to the lower surface and away from the floor panel: and the supporting column comprises a receiving end for receiving the lugs therein.
- the pedestals used in the present elevated floor assembly are easy to manufacture. There is no need to provide a complicated support plate, as in prior art assemblies, thereby notably reducing manufacturing costs. All that is necessary is that the lug is received in the receiving end of the supporting column.
- the installation of the elevated floor assembly is also simplified; the floor panels are simply placed with their corner portion over the pedestal so that the lug engages the receiving end of the supporting column. This leads to a simpler and speedier installation of the elevated floor assembly, and hence reduces labour costs Furthermore, by cutting the receiving end to size, the height of the pedestal can easily be reduced on site Also, due to the fact that there is no support plate, deflection load on the pedestal is reduced
- the ! ug comprises a first lug oortion and an adjoining second lug portion the first lug portion beirg in a plane ecser tially paiallel to a plane of a first side face of the flooi panel the second lug oortson being in a plane essential 1 / parat ⁇ l to a plane of a second side face of the floo panel, the second side ce adjoin ng tho first side face
- the first and second lug portions are therefore arranged at an angle to each other, thereby reinforcing the structure of the lug
- the [li t and record lug portionc are arranged In the SJI ⁇ e pl-me as the fust and second s de faces or the floor panel
- the lug is hence located tight at the edge of the corner portion of the floor panel It is however not excluded to place the lug slightly in retreat of the edge of the corner portion
- the lug can co pr se s t ?p&t in a tection away from the toot panel
- the taper allows easier installation of the floor panel by guiding the lug into the receiving end of the supporting column n > e ipcjiving end ! ⁇ ?
- the cross section of the cylindrical hollow member can be circular, square, hexagonal oi of any other convenient shape
- Such a cylindrical hollow member piovides a further important advantage of the invention If the height of the pedestal needs to be reduced, this can be achieved by cutting off a top portion of the leceiving end The resulting receiving end will still be a cylindrical hollow membei being able to receive the lugs of the floor panels therein The height of the pedestal can therefore very easily be reduced on site during installation There is no need to provide pedestals of different heights for the installation of the elevated floor assembly An accurate survey of the installation site is no longer needed and savings in transport, handling and storage costs can be made
- the rec e iving end is preferably dimensioned so as to receive t e lugs of all the co er portions me e ting ovei one pedestal
- the shaft preferably comprises a thread and a nut with a correspo nding internal trread wherein the support ng column is des gned so as to engage the fan aft and rest on the nut
- the nut can be rotated about the shaft, thereby moving the nut up or down the shaft
- the height adjustment by means of the nut is preferably used for fine adjusting the height, e g to compensate for small irregularities in the base floor
- the lower end of the supporting column can be tapered in order to provide engagement with the shaft Alternatively, a plastic or metal buckle shape can be fixed inside the lower end of the supporting column for the same purpose In ordei to reinforce tho f hor pmci, the latter can comprise a Total pltfo on the lower SLi face
- the tloor panel comp'i°es «? ⁇ fenei elements the st ⁇ r fere elements being arranged or the lower sui ce of th° floo r pai el along the side faces and extending in a generally perpendicular diieo' on a ⁇ iy from the floor pane'
- Such stiffener elements provide a facilitatectural reinforcement along the sides of the flooi panels
- the facilitatectural reinfoicement provides additional stiffness to the floor panels and increased stability to the floor assembly
- stringer members are connected to the pedestals before installation of the floor panels to provide the structural reinforcement The Installation of such stringer members is rather time consuming The need for such st ⁇ ngei members is eliminated by the stiffener elements In the present assembly the stiffener elements are connected to the flooi panel, so that the structural reinforcement is provided with the installation of the floor panel It will be appreciated that installation time and costs of the elevated floor assembly is substantially reduced with respect to prior art
- the stiffener elements can be arranged on the edge of the floor panel or slightly in retreat of the edge of the floor panel. By placing the stiffener elements slightly in retreat of the edge of the floor panel, it can be ensured that the stiffener elements do not hinder the introduction of the lugs into the receiving ends of the supporting columns of the pedestals.
- stiffener elements and/or the lugs are preferably formed in one piece with the metal support.
- the stiffener elements and/or She lugs can be welded or otherwise fixed to the metal support.
- the metal support comprisos at least ono blocking tab for receiving an edge of the stiffener element in engagement between the at least ono blocking tab and the metal plate.
- the at least one blocking tab is formed in one piece with the metal plate.
- the edge of the stiffener element is engaged in a plurality of blocking tabs.
- Fig.1 is a perspective view of a floor panel and a pedestal of an elevated floor assembly in accordance with the present invention
- Fig.2 is an enlarged view of the corner portion of the floor panel of FIG.1 ;
- Fig.3 is a perspective view of a floor panel received on a supporting column of a pedestal;
- Fig.4 is a perspective view of three floor panels received on a supporting column of a pedestal
- Fig.5 is a section view through an edge portion of a floor panel according to a first embodiment
- Fig.6 is a section view through an edge portion of a floor panel according to a second embodiment
- Fig.7 is a section view through an edge portion of a floor panel according to a third embodiment
- Fig.8 is a section view through an edge portion of a floor panel according to a fourth embodiment.
- Fig.9 is a bottom view of the edge portion of the floor panel of Fig.8.
- FIG.1 A floor panel and a pedestal of an elevated floor assembly in accordance with the present invention are shown in Fig.1.
- Such an elevated floor assembly consists of individual floor panels 10, only one of which is shown in Fig.1 , supported above a base floor by means of pedestals 12 so as to define a chamber between the base floor and the elevated floor in which cables, pipes
- the floor panels 10 are generally of square or rectangular shape and have an upper surface 14, an opposite lower surface 16 and side faces 18, 18', the latter meeting in corner portions 20 of the floor panels 10.
- the pedestals are designed to provide support to the floor panels 10 at their corner portions 20.
- the pedestal 12 comprises a shaft 22 with an upper end 24 and a lower end 26.
- the lower end 26 of the shaft 22 is rigidly connected to a base plate 28 for resting on the base floor.
- the upper end 24 of the shaft 22 is designed to receive a supporting column 30 thereon for supporting the corner portions 20 of 25 the floor panels 10.
- the lower end 32 of the supporting column 30 engages the upper end 24 of the shaft 22.
- the receiving end 34 of the supporting column 30 supports the corner portion 20 of the floor panel 10.
- the floor panel 10 comprises, on the lower surface 16 of the corner portion 20, a lug 36 designed to engage in the receiving end 34 of the supporting column 30.
- the receiving end 34 is preferably designed as a hollow cylinder for receiving the lug 36 therein It will be understood that the cross- section of the cylindrical receiving end can be circular, square, hexagonal or of any other convenient shape
- the lug 36 can be more clearly seen in Fig 2, which is an enlarged view of the corner portion 20 of the floor panel 10 of Fig 1
- the lug 36 can e g compiise a first lug portion 38, being essentially in the same plane as the side face 18, and a second lug portion 38', being essentially in the same plane as the side face 18'
- the two lug portions 38, 38' are then at right angles to one another
- the lug portions 38, 38' comprise a taper in a direction away from the lower surface 16 of the flooi panel 10
- the lug 36 can also be differently shaped in ordei to piovide an engagement of the lug 36 in the receiving end 34
- lug 36 is shown in engagement with the cylinder shaped receiving end 34 of the supporting column 30
- the receiving end 34 is designed so as to receive the lugs of all the corner portions meeting over one pedestal
- lugs 36, 36', 36" are shown with then lugs 36, 36', 36" engaged in the receiving end 34 of the supporting column 30
- the shaft 22 comprises a thread and a nut 40 with a corresponding internal thread
- the lower end 32 of the supporting column 30 is designed so as to engage the upper end 24 of the shaft 22
- the lower end 32 can e g comprise an internal thread corresponding to the thread of the shaft 22
- a lower surface 42 of the lower end 32 of the supporting column 30 rests on an upper surface 44 of the nut 40
- the height of the pedestal 12 can be adjusted Height adjustment by means of the nut 40 can be made especially for fine-tuning
- the receiving end 34 of the supporting column 30 can be shortened An upper portion of the receiving end 34 can simply be cut off, for example along cutting line 45 as indicated in Fig 3 This can easily be carried out on site, thereby simplifying the installation of the elevated floor
- stiffener elements 46, 46' can be connected to the lower surface 16 of the floor panels 10 The stiffener elements 46, 46' extend along the side faces 18, 18' of the floor panel 10 so as to structurally reinforce the floor panel 10
- the stiffenei elements 46, 46 can be connected to a metal plate 48 attached to the lowei surface 16 of the floor panel 10
- the stiffener element 46 is formed in one piece with the metal plate 48
- a marginal legion 50 of the metal plate 48 can be folded so as to form the stiffenei element 46
- the edge 52 of the marginal region 50 can be welded to the lower surface 54 of the metal plate 48 facing away from the floor panel 10
- the stiffener element 46 can be arranged right at the edge of the floor panel 10 as shown In Fig 5 or 8, or slightly in retieat as shown in Figs 6 and 7
- the stiffenei elements 46, 46' can be separate elements welded to the metal plate 48
- the stiffener element can be formed so as to have a generally triangular cross-section as shown in Figs 5, 6 or 8, or a generally rectangular cross- section as shown in Fig 7 It will be undeistood that many othei configurations are possible
- the lugs 36 are preferably also connected to the metal plate 48, either formed in one piece therewith or welded thereon This will increase the strength of the assembly
- the metal plate 48 can comprise one or more blocking tabs 56 for receiving the edge 52 of the stiffener element 46 in engagement between the blocking tabs 56 and the metal plate 48. Such blocking tabs 56 can be seen on
- the blocking tabs 56 are formed in one piece with the
- a floor panel for an elevated floor assembly commonly has a square shape. However it is not excluded to design the elevated floor assembly with floor panels having any other polygonal shape.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU91018A LU91018B1 (en) | 2003-04-01 | 2003-04-01 | Elevated floor assembly. |
LU91018 | 2003-04-01 | ||
PCT/EP2004/050416 WO2004088063A1 (en) | 2003-04-01 | 2004-04-01 | Elevated floor assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1608827A1 true EP1608827A1 (en) | 2005-12-28 |
EP1608827B1 EP1608827B1 (en) | 2011-06-29 |
Family
ID=33129068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04725058A Expired - Lifetime EP1608827B1 (en) | 2003-04-01 | 2004-04-01 | Elevated floor assembly |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP1608827B1 (en) |
JP (1) | JP4659735B2 (en) |
CN (1) | CN100417779C (en) |
AT (1) | ATE514824T1 (en) |
DK (1) | DK1608827T3 (en) |
ES (1) | ES2372250T3 (en) |
LU (1) | LU91018B1 (en) |
RU (1) | RU2327018C2 (en) |
WO (1) | WO2004088063A1 (en) |
ZA (1) | ZA200507852B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012154172A (en) * | 2012-05-21 | 2012-08-16 | Kumagai Gumi Co Ltd | Reinforcing floor panel |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3295272A (en) * | 1963-08-07 | 1967-01-03 | Furukawa Casting Company Ltd | Raised floor construction |
DE3405682A1 (en) * | 1984-02-17 | 1985-08-22 | H. Krantz Gmbh & Co, 5100 Aachen | LOST FORMWORK |
GB8417605D0 (en) * | 1984-07-10 | 1984-08-15 | Floorplan Electrica Ltd | Access floor structure |
JPS6213650A (en) * | 1985-07-10 | 1987-01-22 | 未来工業株式会社 | Floor material |
IT1227965B (en) | 1988-11-02 | 1991-05-20 | Sisa S A | FOOT FOR RAISED FLOORS. |
US5333423A (en) * | 1992-12-23 | 1994-08-02 | Propst Robert L | Floor system |
DE29520100U1 (en) * | 1995-12-19 | 1996-02-08 | Schmitt Karl Gmbh | Raised floor |
DE29707739U1 (en) * | 1997-04-29 | 1997-08-28 | Maechtle Woehler Margot | Cavity support |
EP1143083A1 (en) * | 2000-03-31 | 2001-10-10 | Martin Lange | Assembly of moulded plates including moulded plates and supporting modules and its building method |
-
2003
- 2003-04-01 LU LU91018A patent/LU91018B1/en active
-
2004
- 2004-04-01 AT AT04725058T patent/ATE514824T1/en not_active IP Right Cessation
- 2004-04-01 ES ES04725058T patent/ES2372250T3/en not_active Expired - Lifetime
- 2004-04-01 EP EP04725058A patent/EP1608827B1/en not_active Expired - Lifetime
- 2004-04-01 JP JP2006505510A patent/JP4659735B2/en not_active Expired - Fee Related
- 2004-04-01 RU RU2005133477/03A patent/RU2327018C2/en not_active IP Right Cessation
- 2004-04-01 CN CNB2004800087758A patent/CN100417779C/en not_active Expired - Fee Related
- 2004-04-01 DK DK04725058.4T patent/DK1608827T3/en active
- 2004-04-01 WO PCT/EP2004/050416 patent/WO2004088063A1/en active Application Filing
-
2005
- 2005-09-28 ZA ZA200507852A patent/ZA200507852B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2004088063A1 * |
Also Published As
Publication number | Publication date |
---|---|
DK1608827T3 (en) | 2011-09-26 |
ES2372250T3 (en) | 2012-01-17 |
WO2004088063A1 (en) | 2004-10-14 |
EP1608827B1 (en) | 2011-06-29 |
RU2327018C2 (en) | 2008-06-20 |
RU2005133477A (en) | 2006-05-27 |
ATE514824T1 (en) | 2011-07-15 |
ZA200507852B (en) | 2007-03-28 |
JP4659735B2 (en) | 2011-03-30 |
CN1777728A (en) | 2006-05-24 |
JP2006522243A (en) | 2006-09-28 |
CN100417779C (en) | 2008-09-10 |
LU91018B1 (en) | 2004-10-04 |
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