US3785110A - Modular ceiling connector - Google Patents

Modular ceiling connector Download PDF

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Publication number
US3785110A
US3785110A US00106508A US3785110DA US3785110A US 3785110 A US3785110 A US 3785110A US 00106508 A US00106508 A US 00106508A US 3785110D A US3785110D A US 3785110DA US 3785110 A US3785110 A US 3785110A
Authority
US
United States
Prior art keywords
plate section
connector
central plate
grid
plate portion
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
Application number
US00106508A
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English (en)
Inventor
F Pliml
L Galloway
L Harast
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.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Application granted granted Critical
Publication of US3785110A publication Critical patent/US3785110A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04B9/12—Connections between non-parallel members of the supporting construction
    • E04B9/14—Connections between non-parallel members of the supporting construction all the members being discontinuous and laying at least partly in the same plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/34—Branched
    • Y10T403/341—Three or more radiating members
    • Y10T403/344—Plural pairs of axially aligned members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/60—Biased catch or latch
    • Y10T403/606—Leaf spring

Definitions

  • the present invention relates generally to improvements in modular connectors for horizontal runners of a ceiling grid system, and more particularly to improvements in modular connectors comprising a one piece sheet metal stamping.
  • the embodiment of the invention disclosed in the present application includes a central sheet metal plate section having a plurality of integral arms radiating therefrom.
  • Each arm presents a ABSTRACT plate portion having integral flanges extending upwardly from opposite margins thereof for telescopically accommodating the extremity of a complementary grid channel member.
  • Means is also provided for accommodating the lower extremity of a vertically disposed grid suspending member such as a wire.
  • the present invention contemplates an improved modular connector in the form of a one piece sheet metal stamping which is so designed as to readily accommodate the extremities of complementary grid channel members.
  • the invention also contemplates a modular connector arrangement having in association therewith a cover member which may be detachably associated with the connector so as to completely conceal structural areas of the connector which might otherwise present a rather unsightly appearance.
  • FIG. I is a perspective view of a modular connector of the type contemplated by the present invention, shown in association with the extremities of complimentary grid channel members adapted to be accommodated by the connector;
  • FIG. 2 is a vertical, transverse, sectional view taken substantially along the line 2-2 of FIG. 1;
  • FIG. 3 is a fragmentary, detailed, sectional view taken substantially along the line 33 of FIG. 2;
  • FIG. 4 is a fragmentary, detailed, sectional view taken substantially along the line 4-4 of FIG. 2;
  • FIG. 5 illustrates the manner in which the modular connectors contemplated by the present invention may be readily stacked to facilitate packaging for shipment and the like;
  • FIG. 6 is a perspective view of the underside of the modular connector and the grid channel members associated therewith prior to the application of a cover member, said cover member being disclosed in readiness for attachment, to the central plate section of the connector by a screw member;
  • FIG. 7 is a perspective view similar to FIG. 6 disclosing the cover member attached to the underside of the central plate section of the connector;
  • FIG. 8 is an enlarged, fragmentary, sectional view taken substantially along the line 8-8 of FIG. 6, more clearly to illustrate the manner in which the fastening screw is held in association with the cover member.
  • the connector 10 is generally cruciform in shape as viewed in plan and includes a central plate section 12 having plate portions 14, 16, 18 and 20, forming radial continuations of said central plate section.
  • the plate section 12 is preferably formed with a boss or rib 22 to lend lateral strength thereto.
  • Tabs 24 and 26 struck from the central plate section 12 are provided with apertures 24a and 26a, respectively, to hingedly accommodate hook extremities of a wire member 28.
  • the plate portion 14 is provided with a pair of upstanding flanges 14a and 14b.
  • the flange 14a extends along substantially the entire margin of the plate portion 14, whereas the flange 14b is of appreciably reduced length.
  • the plate portion 16 is correspondingly formed with a flange 16a and a shorter flange 16b.
  • the plate portions 18 and 20 respectively, support flanges 18a and 20a which extend over the full length thereof, and opposite flanges 18b and 20b of re Jerusalem length.
  • the above described connector 10 is designed to telescopically accommodate grid channel members indicated generally by the numeral 30.
  • Each channel member or runner 30 includes a bottom or base section 32 and sidewalls 34.
  • the upper margins of the sidewalls 34 are bent to provide reentrant flanges 36.
  • the space presented between the flanges 36 and the complementary sidewall 34 is sufficient to snugly accommodate the upper margins of the flanges of the connector 10.
  • Each of the sidewalls 34 of the runners 30 is provided with a recess 38, FIG. ll, adapted to interlock with abutments 40 struck or sheared from the material of each of the outstanding flanges of the connector 10, see for example, the flanges 16a and 16b of the plate portions 16.
  • Each plate portion and its associated flanges are so proportioned as to telescopically accommodate the extremity of a complementary runner or channel 30.
  • One of the problems which must be overcome and contemplated in the design of a system of this type is the effect that heat will have on the system in the event of a fire.
  • the runners 30 which are normally formed sheet metal have a tendency when exposed to thermal energy to expand or elongate.
  • the connector 10 is adapted to accept such expansions by the provision of the cam surface of the abutments 40. When the runners 30 expand, the walls of the recess or aperture 38 will ride up the cam surface and permit the expansion of the runner.
  • the flanges 34 of the runners 30 are positioned a short distance from the base 12 of the connector and hence the connector will accept such expansions. After a fire, and the resultant contraction of the runners, the shoulders of the aperture 40 will catch on the inside wall of the recess 38 and maintain the runners in a mounted position.
  • the bight of the U-shaped wire 28 is attached to the lower extremity of a suspension member or wire 42, FIG. 2, the upper extremity of which may be secured to a roof or truss (not shown).
  • the grid channel members 30 radiate from the connector as clearly shown in FIG. 6.
  • a cover member 44 is employed.
  • the cover member 44 is square in shape and centrally carries a fastener screw member 46.
  • the screw member 46 may be secured against longitudinal dislodgement from the connector 10 by a conical plastic washer member 48 as clearly shown in FIG. 8.
  • the cover member is preferably dished so that it may be yieldably clamped in position by tightening the screw member 46 within a screw accommodating aperture 50 in the plate section 12, as shown in FIG. 7.
  • Lugs or flanges 52 extending axially from intermediate marginal areas of the cover 44 are adapted to fit within longitudinal recesses 54 formed along the underside of each runner 30. In this manner the cover 44 is secured in a predetermined position of orientation with respect to the runners and positively secured against relative rotation with respect thereto.
  • the present invention contemplates a very practical modular type connector for supporting ceiling runners.
  • the connectors 10 may be nested for purposes of storage or shipment as illustrated in FIG. 5. Attention is also directed to the fact that in telescopically associating the extremities of the runners with a companion arm of the connector 10, the installer is positioned below the connector.
  • the outer edges of all of the connector flanges are tapered as at 14c, 16c, 18c and 200 toward the center of the connector.
  • the connector 10 may be manufactured by the practice of conven tional shearing and forming steps thereby enabling a relatively low cost of manufacture.
  • a modular connector for horizontal runners of a ceiling grid system including a central plate section, a plurality of integral arms radiating therefrom, each arm comprising a plate portion forming a continuation of said central plate section, integral flanges extending upwardly from opposite margins of said plate portion, said plate portion and flanges being adapted to telescopically accommodate the extremity of a complementary grid channel member, and means associated with said plate section for accommodating the lower extremity of a vertically disposed grid suspending member said means including a tiltable member adapted to be positioned in substantial parallelism with the plane of the central plate section when occupying an inoperative position whereby to facilitate nesting of said connector with another like connector.
  • a modular connector for horizontal runners of a ceiling grid system including a central plate section, a plurality ofintegral arms radiating therefrom, each arm comprising a plate portion forming a continuation of said central plate section, integral flanges extending upwardly from opposite margins of said plate portion, said plate portion and flanges being adapted to telescopically accommodate the extremity of a complementary grid channel member, and means associated with said plate section for accommodating the lower extremity of a vertically disposed grid suspending member said means including a pair of spaced tabs struck from the central plate section, and a U-shaped member hingedly connected at the free extremities thereof with said tabs.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Connection Of Plates (AREA)
  • Residential Or Office Buildings (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
US00106508A 1971-01-14 1971-01-14 Modular ceiling connector Expired - Lifetime US3785110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10650871A 1971-01-14 1971-01-14

Publications (1)

Publication Number Publication Date
US3785110A true US3785110A (en) 1974-01-15

Family

ID=22311784

Family Applications (1)

Application Number Title Priority Date Filing Date
US00106508A Expired - Lifetime US3785110A (en) 1971-01-14 1971-01-14 Modular ceiling connector

Country Status (12)

Country Link
US (1) US3785110A (enrdf_load_stackoverflow)
JP (1) JPS514578B1 (enrdf_load_stackoverflow)
AT (1) AT309039B (enrdf_load_stackoverflow)
AU (1) AU452485B2 (enrdf_load_stackoverflow)
BE (1) BE772360A (enrdf_load_stackoverflow)
CA (1) CA943319A (enrdf_load_stackoverflow)
CH (1) CH543651A (enrdf_load_stackoverflow)
DE (1) DE2160346A1 (enrdf_load_stackoverflow)
FR (1) FR2123249B1 (enrdf_load_stackoverflow)
GB (1) GB1359370A (enrdf_load_stackoverflow)
NL (1) NL7112243A (enrdf_load_stackoverflow)
ZA (1) ZA72249B (enrdf_load_stackoverflow)

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952462A (en) * 1971-03-18 1976-04-27 Barry Albert Beazley Panel wall systems
US3996716A (en) * 1976-09-15 1976-12-14 Johns-Manville Corporation Ceiling grid arrangement and connector used therewith
US4019300A (en) * 1975-08-04 1977-04-26 Roblin Industries, Inc. Suspended ceiling structure
US4047336A (en) * 1975-10-16 1977-09-13 Emerson Electric Co. Lighting system
US4055930A (en) * 1976-05-27 1977-11-01 Ceiling Resurfacing Systems, Inc. Grid ceiling trim
US4087947A (en) * 1976-09-15 1978-05-09 Superior Concrete Accessories, Inc. Edge-lifting system for a concrete slab
US4154038A (en) * 1977-06-06 1979-05-15 Bethlehem Steel Corporation Pedestal head for floor-supporting post
US4257205A (en) * 1979-07-16 1981-03-24 United States Gypsum Company Attachment system for suspended drywall ceiling panels
US4294054A (en) * 1979-08-09 1981-10-13 United States Gypsum Company Soffit system for suspended ceiling
US4464876A (en) * 1979-04-10 1984-08-14 Kern Gilbert G Suspended woodbeam ceiling construction
US4570391A (en) * 1982-12-20 1986-02-18 Flanders Filters, Inc. Connector for a filter bank supporting framework and method of assembling same
US4580387A (en) * 1984-12-12 1986-04-08 Crystaplex Plastics, Ltd. Corrosive resistant grid construction for a suspended ceiling
US4586205A (en) * 1984-08-09 1986-05-06 Leggett & Platt, Incorporated Sofa-sleeper having a removable sofa bed mechanism
GB2167779A (en) * 1984-11-26 1986-06-04 Special Acoustic Services Limi A suspended ceiling structure
US4671811A (en) * 1984-02-29 1987-06-09 Flanders Filters, Inc. Laminar flow clean room
US4678487A (en) * 1985-05-14 1987-07-07 Flanders Filters, Inc. Laminar flow clean room having improved filter bank
US4723388A (en) * 1985-04-26 1988-02-09 Mansion Industries, Inc. Easily formable grid for windows and the like
US4724650A (en) * 1986-09-30 1988-02-16 Usg Corporation Subceiling beam intersection
US4773200A (en) * 1986-08-06 1988-09-27 Young Jerry V Wooden suspended ceiling system
US4823529A (en) * 1987-03-17 1989-04-25 Canfield Ronald P Deck construction
US4986050A (en) * 1989-08-22 1991-01-22 Filtra Corporation Modular support system for a filter-type ceiling grid
USD357544S (en) 1992-03-02 1995-04-18 Daw Technologies, Inc. Intersectional casting for ceiling grid support system
WO1996006247A1 (en) * 1994-08-23 1996-02-29 Guilford (Delaware), Inc. Metal support framework for low profile raised panel flooring
US5579623A (en) * 1994-06-15 1996-12-03 Plastic Components, Inc. Prefabricated reveal joint
US5713168A (en) * 1994-03-25 1998-02-03 Guilford (Delaware), Inc. Junction box for low profile raised panel flooring
US5828001A (en) * 1995-02-15 1998-10-27 Guilford (Delaware), Inc. Plastic junction box with receptacle boxes
US5935482A (en) * 1997-05-16 1999-08-10 Peri Gmbh Plate to support a ceiling mould
US6244012B1 (en) * 1999-01-20 2001-06-12 Glass Equipment Development, Inc. Muntin grid and joiner
US20020186859A1 (en) * 2001-06-12 2002-12-12 Atia Gerardo W. Framework for home theater systems
US20040216420A1 (en) * 2003-04-29 2004-11-04 Jiri Poliacek Method and apparatus for floating installation of tiles
EP1498557A1 (de) * 2003-05-27 2005-01-19 Peri Gmbh Kreuzkopf mit geprägten Rungen
US20050102957A1 (en) * 2003-11-18 2005-05-19 Scharff John W. Muntin bar connector with positioning tabs
USRE39097E1 (en) 1994-03-25 2006-05-23 Guildford (Delaware), Inc. Metal support framework for low profile raised panel flooring
DE10028302B4 (de) * 1999-06-23 2006-11-02 Richter-System Gmbh & Co Kg Kreuzverbinder für CD-Schienen
EP1741848A1 (en) * 2005-07-08 2007-01-10 Tego System AB Functional ceiling system and method of earthing such system
US20080276560A1 (en) * 2007-04-30 2008-11-13 Les Plafonds Embassy Inc. / Embassy Ceiling Inc. Suspended ceiling
US20100005747A1 (en) * 2008-07-14 2010-01-14 Usg Interiors, Inc. Seismic clip for grid tee control joint
US20100043330A1 (en) * 2002-11-18 2010-02-25 Jan Svensson Functional ceiling system
USD611332S1 (en) 2008-07-14 2010-03-09 Usg Interiors, Inc. Four-way intersection clip
US8091846B1 (en) * 2008-10-14 2012-01-10 John D Britner Work supporting apparatus
USD656006S1 (en) * 2010-12-03 2012-03-20 USG Interiors, LLC. Intersection clip for suspended ceilings
US20120297724A1 (en) * 2011-05-24 2012-11-29 Mitek Holdings, Inc. Saddle hanger for a structure
US20130014461A1 (en) * 2010-03-30 2013-01-17 Corruven Canada Inc. Suspended Ceiling System and Foldable Runner Therefore
USD697394S1 (en) * 2012-12-17 2014-01-14 Quality Stone Veneer, Inc. Clip
USD793580S1 (en) * 2015-06-26 2017-08-01 Newtonoid Technologies, L.L.C. Insert for positioning against a window pane
USD799719S1 (en) * 2015-07-08 2017-10-10 Newtonoid Technologies, L.L.C. Insert for positioning between window panes
EP3306006A1 (en) 2016-10-04 2018-04-11 ATENA S.p.A. Connection and support bracket
US10010731B1 (en) * 2017-06-08 2018-07-03 Anvil International, Llc Sprinkler drop bracket for intersecting downlight
US20180252356A1 (en) * 2017-03-02 2018-09-06 Usg Interiors, Llc Open plenum utility channel
US10113317B1 (en) * 2015-04-16 2018-10-30 Gordon Sales, Inc. Apparatus and method for hanging architectural panels with concealed attachment points
US10610716B2 (en) 2017-06-08 2020-04-07 Anvil International, Llc Sprinkler drop bracket for intersecting downlight
US20200131765A1 (en) * 2018-10-24 2020-04-30 Price lndustries Limited Ceiling Beam Grid
US11286666B2 (en) * 2016-09-08 2022-03-29 Polygrid Pty Ltd Assemblies for suspending ceiling panels

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185771B (en) * 1986-01-24 1989-11-01 Profilex Ltd Loft hatch frames
CH677390A5 (enrdf_load_stackoverflow) * 1987-01-30 1991-05-15 Luwa Ag
DE202012003334U1 (de) * 2012-03-30 2013-07-01 Diemer & Dr. Jaspert GbR (vertretungsberechtigter Gesellschafter: Dr. Bodo F. Jaspert, 85630 Grasbrunn) Vorrichtung zum über Kreuz Verbinden zweier Streben
CN106906938B (zh) * 2017-04-13 2022-04-26 胡崇亮 用于衔接装饰顶梁的过渡连接组件
CN112227532B (zh) * 2020-09-29 2023-03-28 上海宝冶建筑装饰有限公司 室内穹形吊顶的施工方法

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US2698071A (en) * 1949-11-14 1954-12-28 Cepco Inc Light control fixture
GB821513A (en) * 1955-02-04 1959-10-07 Brian Harry George Halford Improvements in or relating to structural units for use in building
US2981386A (en) * 1955-09-08 1961-04-25 Fed Lighting Corp Illumination system
GB901894A (en) * 1959-01-20 1962-07-25 Sfim Great Britain Ltd Improvements in or relating to ceilings
US3089570A (en) * 1959-07-21 1963-05-14 Jr Timothy H O'neil Beam and tie support
GB1005866A (en) * 1960-08-16 1965-09-29 Grecon Systems Ltd Improvements in or relating to suspended ceilings
US3343309A (en) * 1965-06-08 1967-09-26 Integrated Systems Inc Coved ceiling assembly and bracket means therefor
US3486311A (en) * 1967-12-22 1969-12-30 Flanders Filters Filter bank assembly

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
US2830683A (en) * 1954-02-23 1958-04-15 Griffith Steward Means for securing inverted t-shaped members in a metal grid
FR1200648A (fr) * 1958-07-26 1959-12-23 Plafond
DE1251502B (enrdf_load_stackoverflow) * 1961-12-14
BE664862A (enrdf_load_stackoverflow) * 1964-06-30

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698071A (en) * 1949-11-14 1954-12-28 Cepco Inc Light control fixture
GB821513A (en) * 1955-02-04 1959-10-07 Brian Harry George Halford Improvements in or relating to structural units for use in building
US2981386A (en) * 1955-09-08 1961-04-25 Fed Lighting Corp Illumination system
GB901894A (en) * 1959-01-20 1962-07-25 Sfim Great Britain Ltd Improvements in or relating to ceilings
US3089570A (en) * 1959-07-21 1963-05-14 Jr Timothy H O'neil Beam and tie support
GB1005866A (en) * 1960-08-16 1965-09-29 Grecon Systems Ltd Improvements in or relating to suspended ceilings
US3343309A (en) * 1965-06-08 1967-09-26 Integrated Systems Inc Coved ceiling assembly and bracket means therefor
US3486311A (en) * 1967-12-22 1969-12-30 Flanders Filters Filter bank assembly

Cited By (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952462A (en) * 1971-03-18 1976-04-27 Barry Albert Beazley Panel wall systems
US4019300A (en) * 1975-08-04 1977-04-26 Roblin Industries, Inc. Suspended ceiling structure
US4047336A (en) * 1975-10-16 1977-09-13 Emerson Electric Co. Lighting system
US4055930A (en) * 1976-05-27 1977-11-01 Ceiling Resurfacing Systems, Inc. Grid ceiling trim
US3996716A (en) * 1976-09-15 1976-12-14 Johns-Manville Corporation Ceiling grid arrangement and connector used therewith
US4087947A (en) * 1976-09-15 1978-05-09 Superior Concrete Accessories, Inc. Edge-lifting system for a concrete slab
US4154038A (en) * 1977-06-06 1979-05-15 Bethlehem Steel Corporation Pedestal head for floor-supporting post
US4464876A (en) * 1979-04-10 1984-08-14 Kern Gilbert G Suspended woodbeam ceiling construction
US4257205A (en) * 1979-07-16 1981-03-24 United States Gypsum Company Attachment system for suspended drywall ceiling panels
US4294054A (en) * 1979-08-09 1981-10-13 United States Gypsum Company Soffit system for suspended ceiling
US4570391A (en) * 1982-12-20 1986-02-18 Flanders Filters, Inc. Connector for a filter bank supporting framework and method of assembling same
US4671811A (en) * 1984-02-29 1987-06-09 Flanders Filters, Inc. Laminar flow clean room
US4586205A (en) * 1984-08-09 1986-05-06 Leggett & Platt, Incorporated Sofa-sleeper having a removable sofa bed mechanism
GB2167779A (en) * 1984-11-26 1986-06-04 Special Acoustic Services Limi A suspended ceiling structure
US4580387A (en) * 1984-12-12 1986-04-08 Crystaplex Plastics, Ltd. Corrosive resistant grid construction for a suspended ceiling
US4723388A (en) * 1985-04-26 1988-02-09 Mansion Industries, Inc. Easily formable grid for windows and the like
US4678487A (en) * 1985-05-14 1987-07-07 Flanders Filters, Inc. Laminar flow clean room having improved filter bank
US4773200A (en) * 1986-08-06 1988-09-27 Young Jerry V Wooden suspended ceiling system
US4724650A (en) * 1986-09-30 1988-02-16 Usg Corporation Subceiling beam intersection
US4823529A (en) * 1987-03-17 1989-04-25 Canfield Ronald P Deck construction
US4986050A (en) * 1989-08-22 1991-01-22 Filtra Corporation Modular support system for a filter-type ceiling grid
USD357544S (en) 1992-03-02 1995-04-18 Daw Technologies, Inc. Intersectional casting for ceiling grid support system
US5675950A (en) * 1994-03-25 1997-10-14 Guilford (Delaware), Inc. Metal support framework for low profile raised panel flooring
US5713168A (en) * 1994-03-25 1998-02-03 Guilford (Delaware), Inc. Junction box for low profile raised panel flooring
USRE39097E1 (en) 1994-03-25 2006-05-23 Guildford (Delaware), Inc. Metal support framework for low profile raised panel flooring
US5579623A (en) * 1994-06-15 1996-12-03 Plastic Components, Inc. Prefabricated reveal joint
WO1996006247A1 (en) * 1994-08-23 1996-02-29 Guilford (Delaware), Inc. Metal support framework for low profile raised panel flooring
JP3363452B2 (ja) 1994-08-23 2003-01-08 ギルフォード（デラウェア），インコーポレイテッド フローリングシステム
US5828001A (en) * 1995-02-15 1998-10-27 Guilford (Delaware), Inc. Plastic junction box with receptacle boxes
US5935482A (en) * 1997-05-16 1999-08-10 Peri Gmbh Plate to support a ceiling mould
US6244012B1 (en) * 1999-01-20 2001-06-12 Glass Equipment Development, Inc. Muntin grid and joiner
DE10028302B4 (de) * 1999-06-23 2006-11-02 Richter-System Gmbh & Co Kg Kreuzverbinder für CD-Schienen
US20020186859A1 (en) * 2001-06-12 2002-12-12 Atia Gerardo W. Framework for home theater systems
US20100043330A1 (en) * 2002-11-18 2010-02-25 Jan Svensson Functional ceiling system
US6990777B2 (en) * 2003-04-29 2006-01-31 Jiri Poliacek Tile installation system
US20040216420A1 (en) * 2003-04-29 2004-11-04 Jiri Poliacek Method and apparatus for floating installation of tiles
EP1498557A1 (de) * 2003-05-27 2005-01-19 Peri Gmbh Kreuzkopf mit geprägten Rungen
US20050102957A1 (en) * 2003-11-18 2005-05-19 Scharff John W. Muntin bar connector with positioning tabs
US7124546B2 (en) 2003-11-18 2006-10-24 Pella Corporation Muntin bar connector with positioning tabs
EP1741848A1 (en) * 2005-07-08 2007-01-10 Tego System AB Functional ceiling system and method of earthing such system
US9340976B2 (en) 2007-04-30 2016-05-17 Les Plafonds Embassy Inc. Suspended ceiling
US20080276560A1 (en) * 2007-04-30 2008-11-13 Les Plafonds Embassy Inc. / Embassy Ceiling Inc. Suspended ceiling
USD611332S1 (en) 2008-07-14 2010-03-09 Usg Interiors, Inc. Four-way intersection clip
US7770349B2 (en) * 2008-07-14 2010-08-10 Usg Interiors, Inc. Seismic clip for grid tee control joint
US20100005747A1 (en) * 2008-07-14 2010-01-14 Usg Interiors, Inc. Seismic clip for grid tee control joint
US8091846B1 (en) * 2008-10-14 2012-01-10 John D Britner Work supporting apparatus
US20130014461A1 (en) * 2010-03-30 2013-01-17 Corruven Canada Inc. Suspended Ceiling System and Foldable Runner Therefore
US8820019B2 (en) * 2010-03-30 2014-09-02 Corruven Canada Inc. Suspended ceiling system and foldable runner therefore
USD656006S1 (en) * 2010-12-03 2012-03-20 USG Interiors, LLC. Intersection clip for suspended ceilings
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Also Published As

Publication number Publication date
CH543651A (fr) 1973-10-31
AT309039B (de) 1973-06-15
FR2123249A1 (enrdf_load_stackoverflow) 1972-09-08
AU3266271A (en) 1973-03-01
AU452485B2 (en) 1974-09-05
ZA72249B (en) 1973-09-26
FR2123249B1 (enrdf_load_stackoverflow) 1975-02-07
NL7112243A (enrdf_load_stackoverflow) 1972-07-18
DE2160346A1 (de) 1972-07-27
GB1359370A (en) 1974-07-10
BE772360A (fr) 1972-03-08
CA943319A (en) 1974-03-12
JPS514578B1 (enrdf_load_stackoverflow) 1976-02-13

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