WO2009154926A2 - Expandable ceiling grid - Google Patents
Expandable ceiling grid Download PDFInfo
- Publication number
- WO2009154926A2 WO2009154926A2 PCT/US2009/044582 US2009044582W WO2009154926A2 WO 2009154926 A2 WO2009154926 A2 WO 2009154926A2 US 2009044582 W US2009044582 W US 2009044582W WO 2009154926 A2 WO2009154926 A2 WO 2009154926A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tees
- main
- tee
- cross
- preassembled
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
- E04B9/065—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section
- E04B9/067—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section with inverted T-shaped cross-section
- E04B9/068—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section with inverted T-shaped cross-section with double web
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
- E04B9/08—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members having the capability of expansion, e.g. in case of fire
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/18—Means for suspending the supporting construction
- E04B9/20—Means for suspending the supporting construction adjustable
Definitions
- the invention relates to improvements in suspended ceiling grid structure.
- Suspended ceilings typically include a rectangular metal grid that supports rectangular tiles.
- the grid elements ordinarily are suspended from overhead structure by spaced hanging wires and, most commonly, have a cross-sectional shape of an inverted "T".
- the tiles are removably layed onto the flanges of the tees.
- the grid is ordinarily constructed in "stick- like" fashion with main tees first being suspended and cross tees thereafter being individually assembled onto the main tees.
- Skilled installers have developed various techniques and methodologies to reduce the time required to erect a ceiling grid. The need to individually handle, align and insert tees into main tee slots has presented a barrier to further large reductions in labor for the erection of a grid.
- the invention provides factory assembled grid modules for suspended ceilings that can significantly reduce the labor needed to erect a grid.
- a module comprises multiple main tees and a complimentary set of cross tees.
- the cross tees are hinged at their ends to the main tees at locations regularly spaced along the main tees.
- the module can be warehoused and shipped in a collapsed configuration of limited volume in which the tees are all aligned in the same or essentially the same direction immediately adjacent one another.
- the module is expanded when it is being erected by simply swinging the cross tees on their hinged ends relative to the main tees.
- the hinge joints are arranged to allow the cross tees to fold against the main tees with their flanges overlying the main tee flanges to advantageously reduce the girth of the collapsed module.
- the disclosed hinge structure has an indexing or detent feature that biases the expanded grid into a squared-up configuration.
- FIGS. IA, IB, 1C, and ID are diagrammatic plan views of a progression of a grid module from a fully collapsed condition to a fully expanded condition. Each figure represents a successive stage;
- FIG. 2 is a fragmentary plan view of an area of cross tee and main tee joints with the module in a folded or collapsed condition;
- FIG. 3 is a cross-section elevational view of the grid module in a folded condition
- FIG. 3A is a fragmentary cross-sectional view similar to FIG. 3, but on an enlarged scale
- FIG. 4 is a perspective view of a main tee and cross tee joint area showing the cross tee in the foreground in a folded condition
- FIG. 5 is a perspective view of a joint area between a main tee and opposed cross tees in their unfolded or expanded position.
- the invention is diagrammatically illustrated in FIGS. IA through ID where a folded grid assembly or module 10 (FIG. IA) is progressively opened or expanded to a fully deployed or expanded configuration (FIG. ID) .
- the grid module 10 comprises relatively long main tees 11 typically nominally 10 foot in length and shorter cross tees 12, typically nominally two foot in length. Metric equivalent lengths can be used for the main and cross tees.
- the cross section of the illustrated tees 11, 12 is conventional with a horizontal lower flange 13 extending laterally symmetrically on both sides of a lower edge of a vertically extending plane of a web 14.
- a hollow reinforcing bulb 16 extends laterally symmetrically along the top of the web 14.
- the tees 11, 12 are roll-formed from sheet steel.
- the ends of the cross tees 12 are hinged to the main tees 11 at regularly spaced locations along the lengths of the main tees 11. These locations along the main tees 11 correspond to conventional locations and in the illustrated example are on two foot centers or metric equivalent.
- the module 10 comprises five main tees 11 and 25 cross tees 12.
- Identical brackets 21 are centered and fixed on the main tees 11 at locations corresponding to points where extended center lines of the cross tees 12 intersect the main tees at right angles when the module 10 is in its expanded installed condition.
- the illustrated bracket 21 serves to couple an end of a separate cross tee 12 on each side of the main tee 11 to which it is mounted.
- the bracket 21 of the illustrated style can be die cast of suitable metal or molded of a suitable fire retardant plastic.
- the bracket 21 has a central main body with a cross-section transverse to its longitudinal direction of an inverted U.
- a slot 23 of this main body 22 is complementary to the cross-sectional shape of the main tee 11 in the area of its bulb 16 enabling it to be snapped over the tee or slid lengthwise from the end of the tee to a desired location thereby giving the main body a saddle- like relation to the tee.
- the bracket 21 can be fixed in place on the tee 11 by screws, rivets, or like fasteners assembled in holes 24.
- the bracket 21 On each of a pair of opposed legs 26 straddling the tee 11, the bracket 21 includes an integral lateral extension 27 near its lower edge.
- Each extension 27 has a vertical counterbore 28 proportioned to receive a vertical shoulder bolt 29 that operates as a hinge pin with its longitudinal axis forming a pivot center spaced from the central plane or web 14 of the respective main tee 11.
- Each end of a cross tee 12 is fitted with a hinge connector bracket 31.
- the cross tee bracket 31 can be die cast of metal or molded of a suitable plastic.
- the cross tee bracket 31 has an inverted U-shaped portion 32 that is assembled, saddle- like, over the cross tee bulb 16 and upper area of the web 14. The bracket 31 is fixed to the cross tee 12 with screws or other fasteners positioned in holes 33.
- the bracket 31 includes a coupling arm 34 that extends upwardly and longitudinally from the U-shaped saddle part 32.
- the arm 34 has a vertical through bore 36 of a diameter essentially the same or slightly larger than the major diameter of the main tee bracket extension counterbore 28.
- the axis of the bore 36 lies in the plane of the web 14 of the cross tee 12.
- the shoulder bolt 29 is assembled in the bracket bores 28, 36 to couple an associated end of a cross tee 12 to a main tee 11.
- the shoulder of the bolt 29 abuts the bottom of the counterbore 28 in the extension 27 and the bolt is retained in place by a nut 37.
- the bolt 29 has a shank length long enough to carry a compression spring 38 between its head 39 and a top surface of the coupling arm 34.
- Mating surfaces 41, 42 of the main and cross tee bracket extension and arm 27, 34 have complimentary crown-like configurations that provide a detent action that releasably locks the cross tee 12 in either a collapsed position generally aligned with the associated main tee 11 or a deployed position where it is at right angles to the main tee.
- This detent action involves rounded downward projections 43 on opposite sides of the bore 36 on the lower face of the cross tee bracket arm 34 that fit in rounded notches 46, 47 on the upper face of the main tee extension 27.
- Shallower notches 46 correspond to the collapsed position of the cross tee and the deeper notches 47 correspond to the deployed position.
- the compression spring 38 biases the cross tee projections 43 into the notches 46, 47 to releasably maintain the cross tee in either the collapsed or the deployed position.
- the cross tee 12 is maintained parallel to the main tee 11 to which it is coupled as well as all of the other main tees and cross tees.
- the detent action of all the projections 43 serves to hold the grid module 10 square.
- the brackets 21, 31, are proportioned to hold the cross tee flanges 13 slightly above and out of contact with the flanges 13 of the main tees 11 as shown in FIG.
- the grid module 10 in a collapsed or folded condition represents a package that, by way of example, is 143" x 7.25" x 2" (11.92' x 0.61' x 0.17') .
- this module When this module is fully expanded, it can cover an area 10' x 10' . It will be seen essentially no labor is expended in the field in assembling the cross tees 12 to the main tees 11 within the module 10 thereby offering considerable speed in installation.
- the invention is particularly suited for use in large areas where modules 10 can be quickly joined together along their margins and the ends of a limited number of cross pieces are attached to the successive modules.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Building Environments (AREA)
- Residential Or Office Buildings (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Toys (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2010153381/03A RU2495206C2 (en) | 2008-06-17 | 2009-05-20 | Sliding ceiling lattice structure |
CA2728201A CA2728201A1 (en) | 2008-06-17 | 2009-05-20 | Expandable ceiling grid |
MX2010013558A MX2010013558A (en) | 2008-06-17 | 2009-05-20 | Expandable ceiling grid. |
EP09767238.0A EP2313573A4 (en) | 2008-06-17 | 2009-05-20 | Expandable ceiling grid |
BRPI0915305A BRPI0915305A2 (en) | 2008-06-17 | 2009-05-20 | expandable ceiling grille |
NZ590049A NZ590049A (en) | 2008-06-17 | 2009-05-20 | A foldable expandable ceiling grid |
AU2009260614A AU2009260614B2 (en) | 2008-06-17 | 2009-05-20 | Expandable ceiling grid |
JP2011514662A JP5601620B2 (en) | 2008-06-17 | 2009-05-20 | Pre-assembled suspended ceiling grate |
CN2009801216477A CN102057114B (en) | 2008-06-17 | 2009-05-20 | Expandable ceiling grid |
ZA2011/00389A ZA201100389B (en) | 2008-06-17 | 2011-01-14 | Expandable ceiling grid |
HK11107271.2A HK1153247A1 (en) | 2008-06-17 | 2011-07-13 | Expandable ceiling grid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/140,293 US8181412B2 (en) | 2008-06-17 | 2008-06-17 | Expandable ceiling grid |
US12/140,293 | 2008-06-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009154926A2 true WO2009154926A2 (en) | 2009-12-23 |
WO2009154926A3 WO2009154926A3 (en) | 2010-04-15 |
Family
ID=41413484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/044582 WO2009154926A2 (en) | 2008-06-17 | 2009-05-20 | Expandable ceiling grid |
Country Status (17)
Country | Link |
---|---|
US (1) | US8181412B2 (en) |
EP (1) | EP2313573A4 (en) |
JP (1) | JP5601620B2 (en) |
KR (1) | KR20110029143A (en) |
CN (1) | CN102057114B (en) |
AU (1) | AU2009260614B2 (en) |
BR (1) | BRPI0915305A2 (en) |
CA (1) | CA2728201A1 (en) |
CO (1) | CO6331379A2 (en) |
HK (1) | HK1153247A1 (en) |
MX (1) | MX2010013558A (en) |
MY (1) | MY159226A (en) |
NZ (1) | NZ590049A (en) |
RU (1) | RU2495206C2 (en) |
TW (1) | TW201000725A (en) |
WO (1) | WO2009154926A2 (en) |
ZA (1) | ZA201100389B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8316607B2 (en) * | 2010-04-16 | 2012-11-27 | Ceilings Plus | Metal ceiling system having locking panels without visible access holes |
US8381486B1 (en) * | 2011-12-29 | 2013-02-26 | Usg Interiors, Llc | Unique profile ceiling grid |
JP5829348B1 (en) * | 2015-05-29 | 2015-12-09 | 旭ビルト工業株式会社 | Lightweight system ceiling base |
CN107288249B (en) * | 2017-06-22 | 2023-05-16 | 浙江亚厦装饰股份有限公司 | Folding suspended ceiling and installation method thereof |
US10676925B2 (en) | 2018-03-21 | 2020-06-09 | Awi Licensing Llc | Ceiling system having a plurality of different panels |
CN112726933A (en) * | 2020-12-24 | 2021-04-30 | 常德祉博新型装饰材料有限责任公司 | Indoor suspended ceiling structure |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2032226A (en) * | 1933-03-18 | 1936-02-25 | Roeder Charles | Metal frame and rail for tile |
US2257770A (en) * | 1940-01-05 | 1941-10-07 | American Diagrid Corp | Beam grid |
US2744590A (en) * | 1950-12-12 | 1956-05-08 | Alfred M Butts | Load-supporting structures |
US2912910A (en) * | 1953-08-05 | 1959-11-17 | Acme Steel Co | Beach landing mat |
US3111202A (en) * | 1959-07-16 | 1963-11-19 | Nat Gypsum Co | Preassembled wall frame |
US3083761A (en) * | 1960-10-25 | 1963-04-02 | Charles W Attwood | Screens |
US3292332A (en) * | 1960-12-21 | 1966-12-20 | Chicago Metallic Sash Co | Suspended ceiling structure |
US3727365A (en) * | 1971-04-29 | 1973-04-17 | Anderson Bros Mfg Co | Method and apparatus for wrapping articles |
US4042991A (en) * | 1976-06-21 | 1977-08-23 | Suntech, Inc. | Parallelogram structure |
US4115975A (en) * | 1977-08-11 | 1978-09-26 | University Of Utah | Foldable/extensible structure |
CA1209770A (en) * | 1982-12-17 | 1986-08-19 | Robert C. Heritage | Openwork screen assembly |
US4827681A (en) * | 1986-11-28 | 1989-05-09 | National Rolling Mills, Inc. | Interlocking cross tee |
US4785603A (en) * | 1986-11-28 | 1988-11-22 | National Rolling Mills Inc. | Interlocking cross tee |
BR9100456A (en) * | 1991-02-05 | 1992-09-22 | Almeida Borges Carlos A De | SYSTEM OF ARMACATION OF CURVED INTEGRAL METALLIC GUTTER COVERINGS AND THEIR PANTOGRAPHICALLY DISTENDED SUPPORT AND RESULTING PRODUCT |
JPH05221392A (en) | 1992-02-12 | 1993-08-31 | Uchu Tsushin Kiso Gijutsu Kenkyusho:Kk | Unfolding truss structure |
JPH05221394A (en) | 1992-02-12 | 1993-08-31 | Uchu Tsushin Kiso Gijutsu Kenkyusho:Kk | Unfolding truss structure |
US5363622A (en) * | 1992-12-24 | 1994-11-15 | Armstrong World Industries, Inc. | Fire-rated drywall suspension system |
JP3056067B2 (en) * | 1996-02-21 | 2000-06-26 | 寺田 秀 | Folding ceiling panel |
US5735100A (en) * | 1996-10-07 | 1998-04-07 | 527233 B.C. Ltd. | Folding telescopic prefabricated framing units for non-load-bearing walls |
US6047511A (en) * | 1998-03-04 | 2000-04-11 | Usg Interiors, Inc. | Grid tee with integrally stitched web |
EP1276938B1 (en) * | 2000-04-24 | 2006-06-14 | Hunter Douglas Inc. | Compressible structural panel |
US6769515B2 (en) * | 2002-08-09 | 2004-08-03 | Cosco Management, Inc. | Multi-fold collapsible ladder |
US7690168B2 (en) * | 2005-07-29 | 2010-04-06 | Usg Interiors, Inc. | Wall mold attachment clip |
CN200946341Y (en) * | 2006-09-18 | 2007-09-12 | 梁少明 | Keel connection device for decoration |
-
2008
- 2008-06-17 US US12/140,293 patent/US8181412B2/en active Active
-
2009
- 2009-05-20 EP EP09767238.0A patent/EP2313573A4/en not_active Withdrawn
- 2009-05-20 WO PCT/US2009/044582 patent/WO2009154926A2/en active Application Filing
- 2009-05-20 JP JP2011514662A patent/JP5601620B2/en not_active Expired - Fee Related
- 2009-05-20 CN CN2009801216477A patent/CN102057114B/en not_active Expired - Fee Related
- 2009-05-20 CA CA2728201A patent/CA2728201A1/en not_active Abandoned
- 2009-05-20 NZ NZ590049A patent/NZ590049A/en not_active IP Right Cessation
- 2009-05-20 AU AU2009260614A patent/AU2009260614B2/en not_active Ceased
- 2009-05-20 MX MX2010013558A patent/MX2010013558A/en active IP Right Grant
- 2009-05-20 KR KR1020117000027A patent/KR20110029143A/en not_active Application Discontinuation
- 2009-05-20 MY MYPI2010005991A patent/MY159226A/en unknown
- 2009-05-20 BR BRPI0915305A patent/BRPI0915305A2/en not_active IP Right Cessation
- 2009-05-20 RU RU2010153381/03A patent/RU2495206C2/en not_active IP Right Cessation
- 2009-05-21 TW TW098116852A patent/TW201000725A/en unknown
-
2010
- 2010-12-29 CO CO10164094A patent/CO6331379A2/en active IP Right Grant
-
2011
- 2011-01-14 ZA ZA2011/00389A patent/ZA201100389B/en unknown
- 2011-07-13 HK HK11107271.2A patent/HK1153247A1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of EP2313573A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR20110029143A (en) | 2011-03-22 |
JP2011524480A (en) | 2011-09-01 |
CO6331379A2 (en) | 2011-10-20 |
RU2495206C2 (en) | 2013-10-10 |
ZA201100389B (en) | 2011-10-26 |
AU2009260614A2 (en) | 2011-03-24 |
EP2313573A2 (en) | 2011-04-27 |
NZ590049A (en) | 2013-04-26 |
AU2009260614A1 (en) | 2009-12-23 |
HK1153247A1 (en) | 2012-03-23 |
CA2728201A1 (en) | 2009-12-23 |
CN102057114A (en) | 2011-05-11 |
CN102057114B (en) | 2012-11-14 |
EP2313573A4 (en) | 2014-10-29 |
US8181412B2 (en) | 2012-05-22 |
AU2009260614B2 (en) | 2013-12-05 |
TW201000725A (en) | 2010-01-01 |
MX2010013558A (en) | 2011-01-14 |
MY159226A (en) | 2016-12-30 |
WO2009154926A3 (en) | 2010-04-15 |
BRPI0915305A2 (en) | 2015-10-27 |
JP5601620B2 (en) | 2014-10-08 |
RU2010153381A (en) | 2012-07-27 |
US20090308013A1 (en) | 2009-12-17 |
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