EP1815085B1 - Support structure for elevated floor assembly - Google Patents

Support structure for elevated floor assembly Download PDF

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Publication number
EP1815085B1
EP1815085B1 EP05801763A EP05801763A EP1815085B1 EP 1815085 B1 EP1815085 B1 EP 1815085B1 EP 05801763 A EP05801763 A EP 05801763A EP 05801763 A EP05801763 A EP 05801763A EP 1815085 B1 EP1815085 B1 EP 1815085B1
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EP
European Patent Office
Prior art keywords
support structure
panel
supporting
pedestal
structure according
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
Application number
EP05801763A
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German (de)
English (en)
French (fr)
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EP1815085A1 (en
Inventor
Eric Peter Isaac
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uniflair Industries SpA
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Uniflair Industries SpA
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Publication date
Application filed by Uniflair Industries SpA filed Critical Uniflair Industries SpA
Publication of EP1815085A1 publication Critical patent/EP1815085A1/en
Application granted granted Critical
Publication of EP1815085B1 publication Critical patent/EP1815085B1/en
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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
    • E04F15/02447—Supporting structures
    • E04F15/02458—Framework supporting the panels

Definitions

  • the present invention relates to a support structure for an elevated floor assembly.
  • Such support structures generally comprise a number of pedestals, each including a column, a supporting head fixed to the upper end of the column, so as to be capable of supporting the floor panels of the elevated floor assembly, and a base plate fixed to the lower end of the column for providing a support platform for the pedestal resting on the base floor.
  • the length of the column is generally adjustable, so that the height of the pedestal can be adjusted.
  • all the supporting parts of the pedestal are generally made of metal, most often steel.
  • such support structures generally further comprise panel stringers coupled between adjacent pedestals to form a generally square grid when viewed from above. Floor panels normally rest on the panel stingers and form the elevated floor.
  • Such a support structure for an elevated floor assembly is e.g. disclosed in US 4,277,923 , wherein the structure comprises a plurality of pedestals and panel stringers coupled between adjacent pedestals.
  • Each pedestal has a column with a supporting head on an upper end of the column and a base plate on the lower end of the column.
  • the supporting head comprises radially protruding supporting arms for connecting panel stringers thereto.
  • Each panel stringer has a generally inverted U-shaped cross-section with two generally parallel side portions and an interconnecting portion, wherein the interconnecting portion rests on the radially protruding supporting arm.
  • self-tapping screws are driven through the panel stringers and the supporting head. This constitutes a rather cumbersome and time-consuming task.
  • the rigidity of the support structure is not adequate.
  • EP-A-1 247 922 discloses a support structure according to the preamble of claim 1.
  • It is an object of the present invention is to provide an improved support structure for an elevated floor assembly, wherein a rigid support structure can be quickly erected.
  • the present invention proposes a support structure for an elevated floor assembly comprising a plurality of pedestals and panel stringers coupled between adjacent pedestals, each pedestal having a column with a supporting head on an upper end of the column and a base plate on the lower end of the column, the supporting head having radially protruding supporting arms for connecting the panel stringers thereto, and each panel stringer having a generally inverted U-shaped cross-section with two generally parallel side portions and an interconnecting portion, wherein the interconnecting portion rests on the radially protruding supporting arm of the supporting head of the pedestal.
  • At an end portion of the panel stringer at least one of the side portions comprises a cavity proximate the interconnecting portion and a guide leading from an edge of the side portion remote from the interconnecting portion to the cavity.
  • the supporting arm comprises at least one lateral protrusion configured to be received in the cavities when the panel stringer is connected to the supporting arm of the pedestal.
  • the cavity and the guide are formed by an indentation on the inner surface, the guide extending from an edge of the side portion into the cavity.
  • both side portions comprise a cavity and a guide and the supporting arm comprises two protrusions cooperating with the two cavities.
  • the cavities are preferably dimensioned so as to securely receive the protrusions therein. The secure fit achieved thereby ensures that the panel stringer cannot accidentally be detached from the supporting arm of the pedestal.
  • the cavities and protrusions are advantageously arranged with slight play therebetween, so as to permit adaptation of the support structure to minor movement of the base floor.
  • the guides advantageously have a cross-section narrowing in direction of the cavities. This allows easy and fast alignment of the protrusions with the grooves, through which the protrusions are automatically led to the cavities.
  • the cross-section of the guides, in proximity to said cavities, is preferably slightly smaller than the cross-section of said protrusions.
  • the latter must hence be forced through the narrower portions of the guides in order to reach the cavities. This means that, once the protrusions are received in the cavities, a secure connection is achieved.
  • the protrusions cannot easily escape from the cavities unless sufficient force is applied in order to push the protrusions through the narrower portions of the guides. Accidental uncoupling of the panel stringers from the supporting arms is thereby prevented and an improved support structure is achieved.
  • the protrusions can e.g. be rounded for easier and faster connection of the panel stringer to the supporting arm.
  • the supporting head of the pedestal has four supporting arms arranged at right angles to each other.
  • the supporting arms can have a panel stringer coupled thereto, thereby forming a rectangular grid on which the floor panels of the elevated floor assembly can rest.
  • the supporting head of the pedestal has four main supporting arms arranged at right angles to each other and four auxiliary supporting arms arranged at right angles to each other and at 45° with respect to the main supporting arms.
  • the main supporting arms can have a panel stringer coupled thereto, thereby forming a square grid on which the floor panels of the elevated floor assembly can rest. Due to the auxiliary supporting arms, further panel stringers can be arranged diagonally through the squares of the grid, thereby providing further support to the floor panels.
  • stringer members are often shortened onsite to accommodate narrower floor panels.
  • an end of the stringer member without corresponding cavities can be connected to the auxiliary supporting arm.
  • This has the advantage that no other pedestals have to be provided for use at the edges of the elevated floor. Rather, the same pedestals can simply be turned by about 45 degrees and used to support shortened stringer members and ploor panels.
  • the auxiliary supporting arms are preferably longer than the main supporting arms. This allows the panel stringers coupled to the main supporting arms to be coupled as close as possible to the centre of the pedestal. The closer the coupling is made to the centre of the supporting head, the more stable the support structure becomes.
  • the supporting head is preferably generally square.
  • the supporting arms of the pedestals and the interconnecting portion of the panel stringers can comprise holes, the holes being arranged so as to be in alignment when the panel stringer is coupled to the pedestal. If desired, the coupling between panel stringer and pedestal can then be complemented by additional fixing means such as e.g. screws, nails or rivets through the bores.
  • Fig.1 shows a pedestal 10, which is mounted on a base floor 12 to form a support structure together with panel stringers 14, only one of which is partially shown.
  • the pedestal 10 comprises a column, which is globally identified with reference number 16, a supporting head 17 fixed to the upper end of the column 16, and a base plate 18 fixed to the lower end of the column 16.
  • the column 16 consists of a threaded rod 20, a bearing nut 22 screwed on the threaded rod 20 and a hollow support tube 24. The lower end of the support tube 24 is placed over the upper end of the threaded rod 20 and supported thereon by the bearing nut 22.
  • the support tube 24 can be raised or lowered by screwing the bearing nut 22 on the threaded rod 20, so that the height of the pedestal 10 can be freely adjusted.
  • the upper end of the support tube 24 is connected to the supporting head 17.
  • the latter includes normally four or eight supporting arms to which the panel stringers 14 are coupled. On Figure 1 only two supporting arms 26, 26' are seen. The floor panels, which rest on the panel stringers 14, are not shown on Figure 1 .
  • FIG.2 A top view of a supporting head 17 of a pedestal 10 is schematically shown in Fig.2 .
  • the shown supporting head 17 comprises four main supporting arms 26, 26', 26", 26'" arranged at right angles to each other and four auxiliary supporting arms 28, 28', 28", 28'” arranged at right angles to each other and at 45° with respect to the main supporting arms 26, 26', 26", 26"'.
  • panel stringers 14 By coupling panel stringers 14 to the main supporting arms 26, a square grid is formed, on which floor panels of the elevated floor assembly can rest. Further panel stringers can be coupled to the auxiliary supporting arms 28 and diagonally arranged through the squares of the grid. This allows providing further support for the floor panels. Only one 26 of the main supporting arms 26, 26', 26", 26'" will now be described in more detail.
  • the supporting arm 26 extends radially outwards, from the centre of the supporting head 17 and laterally comprises two generally rounded protrusions 30, 30'.
  • the shape and size of the protrusions 30, 30' is adapted to cooperate with two cavities arranged in the panel stringer as will be described below.
  • the supporting arm 26 can further comprise a hole 32 adapted to cooperate with a hole arranged in the panel stringer as will also be described below.
  • the supporting head 17 is preferably generally square when seen from above.
  • the auxiliary supporting arms 28, 28', 28", 28"' are longer than the main supporting arms 26, 26', 26", 26"'. This allows the panel stringers coupled to the main supporting arms to be coupled as close as possible to the axis of the pedestal, thereby achieving a more stable support structure.
  • the auxiliary supporting arms 28, 28', 28", 28'" are not provided with protrusions. It is however not excluded to provide all eight supporting arms with protrusions.
  • FIG.3 A simplified perspective view of an end portion of a panel stringer 14 is shown in Fig.3 .
  • the panel stringer 14 has a generally inverted U-shaped cross-section and comprises two generally parallel side portions 34, 34' and an interconnecting portion 36.
  • the corners 38, 38' of the side portions remote from the interconnecting portion 36 are preferably bevelled in order to facilitate the coupling of the panel stringer 14 to the supporting head 17 of the pedestal 10.
  • the side portions 34, 34' of the panel stringer 14 further comprise indentations on the inner surfaces 40, 40' of the respective side portions 34, 34'.
  • the indentations are such as to form cavities 42, 42' and guides 44, 44' leading from the bevelled corners 38, 38' of the side portions 34, 34' to the cavities 42, 42'.
  • the cavities 42, 42' are dimensioned so as to receive the protrusions 30, 30' of the supporting arm 26.
  • the cavities 42, 42' are dimensioned so as to securely receive the protrusions 30, 30' therein, so that a secure fit between panel stringer and pedestal can be achieved. This ensures that the panel stringer cannot be accidentally detached from the supporting arm of the pedestal.
  • the cavities 42, 42' and protrusions 30, 30' are further arranged with slight play therebetween, so as to permit adaptation of the support structure to minor movement of the base floor.
  • the guides 44, 44' have a cross-section narrowing in direction of the cavities 42, 42'.
  • the cross-section of the guides 44, 44' at the bevelled corners 38, 38' is bigger than that of the protrusions 30, 30', thereby allowing easy engagement of the protrusions 30, 30' in the guides 44, 44'.
  • the cross-section of the guides 44, 44' near the cavities 42, 42' is slightly smaller than that of the protrusions 30, 30'. This means that the protrusions 30, 30' have to be forced through the guides 44, 44' in order to reach the cavities 42, 42'. This however also means that once the protrusions 30, 30' have reached the cavities 42, 42', they cannot easily escape therefrom. Accidental uncoupling of the panel stringers 14 from the pedestals 10 is thereby prevented.
  • the panel stringers 14 are prevented from sliding on the supporting arms 26 and are always positioned correctly with respect to the pedestal. Correct coupling of the panel stringers 14 to the pedestals 10 is therefore always ensured and the correct distance between adjacent pedestals is also respected.
  • the interconnecting portion 36 of the panel stringer 14 further comprises a hole 46 arranged so as to cooperate with the hole 32 of the supporting arm 26 when the panel stringer 14 is coupled to the supporting head 17 of the pedestal 17.
  • the coupling between panel stringer 14 and pedestal 10 can then, if desired, be complemented by additional fixing means such as e.g. screws, nails or rivets through the bores 32, 46.
  • the side portions and the interconnecting portion of the panel stinger shown in the present application are substantially flat. Generally however they comprise longitudinal reinforcing ribs to confer further strength to the panel stinger. Also, the supporting arms 26, 28 of the supporting head 17 are then generally shaped so as to correspond to the shape of the interconnecting portion of the panel stinger.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Bridges Or Land Bridges (AREA)
EP05801763A 2004-11-16 2005-10-21 Support structure for elevated floor assembly Active EP1815085B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU91123A LU91123B1 (en) 2004-11-16 2004-11-16 Support structure for elevated floor assembly
PCT/EP2005/055467 WO2006053813A1 (en) 2004-11-16 2005-10-21 Support structure for elevated floor assembly

Publications (2)

Publication Number Publication Date
EP1815085A1 EP1815085A1 (en) 2007-08-08
EP1815085B1 true EP1815085B1 (en) 2009-03-25

Family

ID=34955602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05801763A Active EP1815085B1 (en) 2004-11-16 2005-10-21 Support structure for elevated floor assembly

Country Status (15)

Country Link
US (1) US20090205275A1 (zh)
EP (1) EP1815085B1 (zh)
JP (1) JP4571672B2 (zh)
CN (1) CN100445503C (zh)
AT (1) ATE426714T1 (zh)
AU (1) AU2005305902B2 (zh)
BR (1) BRPI0516809B1 (zh)
CA (1) CA2587549A1 (zh)
DE (1) DE602005013563D1 (zh)
ES (1) ES2323974T3 (zh)
LU (1) LU91123B1 (zh)
NO (1) NO20073121L (zh)
RU (1) RU2367751C2 (zh)
WO (1) WO2006053813A1 (zh)
ZA (1) ZA200704213B (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1393741B1 (it) * 2009-03-27 2012-05-08 Alca System S R L Struttura di pavimento flottante
EP2354371A1 (en) 2010-01-22 2011-08-10 Subfloor ApS Support system for a floor
JP5558633B2 (ja) 2011-06-13 2014-07-23 三菱電機株式会社 嵌め込みフレーム構造及びそれを用いた筐体
US10787817B1 (en) * 2017-04-17 2020-09-29 Henry H. Bilge System for mounting adjustable covering panels to a wall
US10113320B1 (en) * 2017-11-03 2018-10-30 United Construction Products, Inc. Restraint system for elevated flooring tiles
RU2751627C1 (ru) * 2020-06-29 2021-07-15 Игорь Викторович Прохоров Устройство для установки продольных опорных элементов фальшпола и способ его изготовления
US11725413B2 (en) 2020-07-17 2023-08-15 Granite Industries, Inc. Elevated flooring system for clearspan tent

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US2755107A (en) * 1952-12-18 1956-07-17 Air Way Ind Inc Internally flush latch for vacuum cleaner pipes
US3222030A (en) * 1964-06-22 1965-12-07 Unistrut Corp Floor structure elevating device
US3470663A (en) * 1968-05-24 1969-10-07 Tate Architectural Products Pedestal unit for access floors
BE759234A (fr) * 1970-01-06 1971-04-30 Liskey Aluminum Plancher sureleve
US4277923A (en) 1979-10-18 1981-07-14 Unistrut Corporation Support pedestal assembly for a raised floor system
IL73748A0 (en) * 1984-12-05 1985-03-31 Alcol Ltd Pedestals for access floors
DK161370C (da) * 1986-11-26 1991-12-23 Lego As Hjulleje isaer til legetoejsvogne
IT1227965B (it) * 1988-11-02 1991-05-20 Sisa S A Piedino per pavimenti sopraelevati.
JPH02128058A (ja) * 1988-11-04 1990-05-16 Naka Tech Lab フロアパネルの支持装置
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JPH06146548A (ja) * 1992-07-16 1994-05-27 Sumitomo Rubber Ind Ltd 二重床のストリンガ固定機構
DE4320989C1 (de) * 1993-06-24 1994-08-18 Fleischmann Geb Fahrzeug für elektrische Spiel- und Modellbahnen mit einem bei Kurvenfahrt nach innen neigbaren Wagenkasten
US5791096A (en) * 1997-03-07 1998-08-11 Chen; Kingbow Raised floor supporting structure
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Also Published As

Publication number Publication date
RU2367751C2 (ru) 2009-09-20
JP2008520865A (ja) 2008-06-19
NO20073121L (no) 2007-08-14
ZA200704213B (en) 2008-05-28
ES2323974T3 (es) 2009-07-28
RU2007122474A (ru) 2008-12-27
BRPI0516809A (pt) 2008-09-23
AU2005305902A1 (en) 2006-05-26
US20090205275A1 (en) 2009-08-20
CA2587549A1 (en) 2006-05-26
LU91123B1 (en) 2006-05-17
EP1815085A1 (en) 2007-08-08
DE602005013563D1 (de) 2009-05-07
JP4571672B2 (ja) 2010-10-27
CN101080537A (zh) 2007-11-28
AU2005305902B2 (en) 2010-09-02
ATE426714T1 (de) 2009-04-15
WO2006053813A1 (en) 2006-05-26
CN100445503C (zh) 2008-12-24
BRPI0516809B1 (pt) 2015-11-17

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