US20090293403A1 - Connections for suspended ceiling system - Google Patents

Connections for suspended ceiling system Download PDF

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Publication number
US20090293403A1
US20090293403A1 US12/300,895 US30089507A US2009293403A1 US 20090293403 A1 US20090293403 A1 US 20090293403A1 US 30089507 A US30089507 A US 30089507A US 2009293403 A1 US2009293403 A1 US 2009293403A1
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US
United States
Prior art keywords
main grid
members
grid members
web portion
abutting ends
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.)
Abandoned
Application number
US12/300,895
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English (en)
Inventor
Maurizio Cedrone
Shiu Ming Leung
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.)
Filoma Construction Ltd
Original Assignee
Filoma Construction Ltd
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 Filoma Construction Ltd filed Critical Filoma Construction Ltd
Publication of US20090293403A1 publication Critical patent/US20090293403A1/en
Abandoned legal-status Critical Current

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    • 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
    • E04B9/10—Connections between parallel members of the supporting construction
    • 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
    • E04B9/122—Connections between non-parallel members of the supporting construction one member passing through the other member, both members laying at least partly in the same plane

Definitions

  • the present invention relates to suspended ceiling systems and in particular improved connections for end to end connection of the main grid members of such systems and for connection of cross members to the main grid members.
  • Suspended ceiling systems are well known and are commonly used to conceal piping, wiring or ductwork beneath the overhead structure.
  • the suspended ceiling grid system comprises wall angle mouldings, main grid members (main tees) running in one direction of the ceiling with cross members (cross tees) connected to adjacent grid members to form the grid pattern.
  • main tees main grid members
  • cross tees cross tees
  • the most common grid patterns are rectilinear or square grids although non-rectilinear patterns can be used.
  • Each grid defined by the main grid members and cross members is typically filled with a lightweight acoustic ceiling tile or panel which is suspended within the grid.
  • the main grid members or tees are suspended from the floor above by wire or plastic fasteners and span the length of the room. If a single strip of the main grid member is not long enough to span the entire room two or more main tees are connected end to end.
  • U.S. Pat. No. 6,523,313 shows a an end-to-end connection of main grid members in a ceiling grid.
  • a pocket is formed about an opening in the web of a first main grid member.
  • a clip is secured to one side of the end of the first main grid member.
  • a forward end of the clip is clamped within a pocket formed on the second main grid member.
  • a corresponding clip on the opposite side of the end of the second grid member is clamped within the pocket formed on the first grid member. While the connection is intended to be disengaged when required the pockets must be opened first which is not easy to do.
  • U.S. Pat. No. 6,729,100 Another example of a method of connection is illustrated in U.S. Pat. No. 6,729,100.
  • the connector has an end tab with a forward portion bent at a lead angle and a receiving pocket with an outwardly flared entrance that, with an opposed identical connector, cooperate to provide smooth horizontal alignment.
  • the end portion additionally, includes an edge profile that vertically aligns itself with the receiving pocket of the opposed connector.
  • the receiving pocket includes a spring-like resilient wall that limits the assembly force to overcome interference with projecting lock lances even when the connectors are nearly out of dimensional tolerance.
  • the spring-like pocket wall, shape of the lock lance, and reinforcing beads contribute to an improved audible click signalling that a connection has been completed.
  • the lock lance works with a relief groove to augment self-alignment of the connectors.
  • One method of connection between the cross members and main grid members is to attach a clip by riveting or other suitable means to the end of the cross member so that it extends beyond the end of the cross member.
  • the clip includes a tab which is adapted to pass through a slot provided in the web or vertical portion of the main grid member to secure the cross member in place as shown for example in U.S. Pat. No. 4,161,856; 4,389,828; 4,499,697 and 5,154,031.
  • the present invention provides a longitudinal connection for abutting ends of main grid members of a suspended ceiling system.
  • Each of the main grid members have a vertical web portion and a horizontal flange extending across a bottom of the web portion.
  • the longitudinal connection comprises retaining means on the web portion of each of the main grid members adjacent the abutting ends providing an upper and a lower channel.
  • a connecting plate member having opposite first and second sides is slidable within the upper and lower channels on the retaining means on the ends of each of said main grid members.
  • Moveable pin members are provided on the plate member where the pin members are biased to the web portion of the main grid members.
  • Holes on the retaining means on the web portion of each of the main grid members are positioned to receive the pin members when the abutting ends of the main grid members are aligned. This results in the connecting plate member pulling the main grid members together at the abutting ends.
  • the invention provides a method of forming a longitudinal connection for abutting ends of main grid members of a suspended ceiling system, wherein the main grid members have a vertical web portion and a horizontal flange extending across a bottom of said web portion.
  • the method comprises (a) providing retaining means on the web portion of each of the main grid members adjacent the abutting ends to form an upper and a lower channel (b) providing a connecting plate member having opposite first and second sides slidable within the upper and lower channels on the retaining means on the ends of each of said main grid members (c) aligning the abutting ends of main grid members (d) sliding the plate member in the upper and lower channels of the retaining means on each grid member until moveable pin members on said connecting plate member are aligned with and are received in holes on the retaining means on the web portion of each of the main grid members whereby said connecting plate member pulls the main grid members together at said abutting ends.
  • the present invention provides a linear connection for connecting cross members to the main grid members of a suspended ceiling system, each of said main grid members and the cross members having a web portion, the linear connection comprising: (a) means on the web portion of each of the cross members adjacent their ends providing an upper and a lower channel (b) a clip having opposite first and second sides slidable within the upper and lower channels on the ends of each of said cross members to permit a linear connection of the cross members to the main grid members.
  • FIG. 1 is a perspective view of the longitudinal connection of two main grid members utilizing connecting blocks attached to the ends of the main grid members and a connecting plate in accordance with the present invention.
  • FIG. 2 is a perspective view of the linear connection of two cross members with a main grid member utilizing a block on the ends of each cross member and a slidable clip in accordance with the present invention.
  • FIG. 3 is a perspective view of a section of the connecting block attached to the abutting ends of the main grid members of FIG. 1 .
  • FIG. 4 is a top view of the connecting plate of FIG. 1 with spring arms.
  • FIG. 5 is a side view of the slideable clip of FIG. 2 .
  • FIG. 6 is a perspective view of the block of FIG. 2 .
  • FIG. 7 is a partially exploded view of the cross member of FIG. 2 .
  • FIG. 8 is cross section view of another embodiment of the main grid member and connecting block according to the present invention.
  • FIG. 9 is a plan view of another embodiment of the spring member attached to the connecting plate shown in FIG. 1 .
  • FIG. 10 is a top plan view of another embodiment of the clip shown in FIG. 2 .
  • FIG. 11 is a cross section of the clip of FIG. 10 through B-B.
  • FIG. 12 is a side view in cross section of the clip of FIGS. 10 and 11 .
  • FIG. 1 illustrates a longitudinal connection according to the present invention between the abutting ends of one main grid member, generally indicated at 11 and a second main grid member, generally indicated at 12 .
  • both main grid members 11 , 12 each have an inverted T cross section having a web portion 13 , 14 with a horizontal flange 15 , 16 extending perpendicular from the base of the web portion 13 , 14 .
  • the grid members 11 , 12 may be made of conventional materials and formed by conventional techniques or may be made by extrusion molding aluminum or zinc or other suitable material.
  • each connecting block 21 , 22 has a generally flat rectangular base portion 23 with opposite sides 24 , 25 .
  • the opposite side 24 of the base portion 23 has a series of right angle flanges 26 , 27 , 28 , 29 that together form a channel 211 .
  • a similar series of flanges 26 ′, 27 ′, 28 ′, 29 ′ on the opposite side 25 form another channel 212 .
  • On the base portion 23 of connecting blocks 21 , 22 are holes 210 and 220 .
  • the abutting ends 17 A, 18 B of connecting blocks 21 , 22 are preferably beveled at 200 , 201 as shown in FIG. 1 . It is possibly to indent the face of the web portion to which the connecting blocks 21 , 22 are connected so that when connected as described below the longitudinal axis of the connection is aligned as close as possible with the longitudinal axis of main grid members 11 , 12 . (see FIG. 8 )
  • connecting plate member 31 shaped and sized to fit in the channels 211 , 212 on each of connecting blocks 21 , 22 when the abutting ends 17 , 18 of main grid members 11 , 12 are aligned longitudinally.
  • Connecting plate 31 in the embodiment illustrated is generally rectangular with opposite ends 33 , 34 and opposite sides 35 , 36 and having slight octagonal characteristics at its opposite ends 33 , 34 to be aligned with channels 211 , 212 on connecting blocks 23 , 24 .
  • the opposite sides 35 , 36 of connecting plate 31 slide in channels 211 , 212 .
  • Connecting plate 31 is provide with pin members that cooperate with features provided on connecting blocks 23 , 24 to retain the main grid members in abutting connection.
  • the pin members on connecting plate 31 comprises a pair of pins 321 , 322 that project from the back side 37 of connecting plate 31 .
  • the pins 321 , 322 are positioned to fit within holes 210 , 221 on connecting blocks 21 , 22 when the main grid members 11 , 12 are abutting.
  • pins 321 , 322 project through holes 38 , 39 in the connecting plate 31 .
  • the ends of pins 321 , 322 that extend to the front side 40 of connecting plate 31 are connected to the ends of spring member 32 .
  • pins 321 , 322 and spring member 32 are a single integral piece of resilient material.
  • the mid point of spring member 32 is affixed to the front side 40 of connecting plate 31 . This results in spring member 32 and pins 321 , 322 having an “M-shaped” form (see FIGS.
  • the spring member 32 has two spring arms 32 A, 32 B. As noted above the spring arms bias pins 321 , 322 within holes 210 , 220 in connecting blocks 21 , 22 . With pins 321 , 322 engaged within holes 210 , 220 on connecting blocks 21 , 22 the main grid members are retained in longitudinal abutment.
  • the present invention provides a simple, fast and secure connection between the abutting ends of the main grid members.
  • One end 34 of connecting plate 31 is slid into position within channels 211 , 212 on connecting block 21 on main grid member 11 .
  • the bevel 200 at the end 17 of connecting block 21 pushes pin 321 away from the back side of connecting plate 31 so that connecting plate 31 can be slid within channels 211 , 212 .
  • Connecting plate 31 can be slid until pin 321 aligns with and is pushed into hole 210 .
  • the other main grid member 12 can then be aligned so the other end 33 of connecting plate 31 slides into position within channels 211 , 212 on connecting block 22 on main grid member 12 .
  • connecting plate 31 pushes pin 322 away from the back side of connecting plate 31 so that connecting plate 31 can slide within channels 211 , 212 .
  • Connecting plate 31 can be slid until pin 322 aligns with and is pushed into hole 220 .
  • the ends 17 , 18 of main grid members 11 , 12 can be aligned, then connecting plate 31 slid into the channels 211 , 212 on either connecting block 21 or 22 then slid along until it slides into the channels on the other connecting block.
  • a section of desired length can be formed by connecting the abutting ends of numerous grid members using a multiplicity of connecting plates 31 .
  • the connecting blocks are attached to opposite faces of the main grid member at opposite ends of the main grid member.
  • connecting plate 31 can be slid out of engagement with channels 211 , 212 on either one of connecting block 21 , 22 so that main grid members can be separated.
  • the present invention provides for a method of connection of the cross members to the main grid members.
  • cross members 41 , 42 are shown connected to a main grid member 1 in accordance with the present invention.
  • the cross members 41 , 42 each have an inverted T cross section having a web portion 43 , 44 with a horizontal flange 45 , 46 extending perpendicular from the base of the web portion 43 , 44 .
  • the connection is formed by inserting a clip 51 with a tab 510 through a slot 70 provided in the web portion 2 of main grid member 1 not unlike conventional methods.
  • the design of the clip 51 of the present invention permits an improved linear connection that is simple, fast and secure.
  • each connecting block 52 has a generally flat rectangular base portion 53 with opposing sides 54 , 55 having a C-shaped cross section to form grooves 56 , 57 . While the embodiment illustrated in the Figures shows the present invention used in association with main grid members and cross members having an inverted T cross-section, it should be appreciated that the present invention is applicable to other shapes of main grid members and cross members.
  • left cross member 41 and the end 48 of right cross member 42 are connected through a slidable locking interaction between clip 51 on the proximal side of block 52 mounted on right cross member 42 and a corresponding block 52 mounted on the distal side of left cross member 41 .
  • clip 51 is formed from a sheet material with upturned edges 65 , 66 and end 67 .
  • the head 68 of clip 51 is tapered with a tab or barb 510 .
  • Tab 510 has spring-like properties, being able to be pushed from a clearance position to a locking position.
  • Clip 51 is sized and shaped to slide within grooves 56 , 57 on block 52 .
  • the clip 51 is inserted into the grooves 56 , 57 of block 52 with the tab or barb 510 projecting away from block 52 .
  • the tab or barb 510 is pushed through the aperture in main grid member 1 , the tab 510 is depressed and once tab 510 passes through the aperture it returns to the extended or locking position with the edge of the aperture.
  • the upturned end 67 of clip 51 acts as a limit block and, together with the tab 510 in locking position, prevents clip 51 from moving past block 52 .
  • left cross bar 41 and right cross bar 42 become perpendicularly contiguous with section bar 1 .
  • the user should manually push down on barb 510 thereby allowing clip 51 to slide back out of the aperture in section bar 1 .
  • block 52 on cross member 41 adjacent the end connecting to main grid member 1 is on the opposite face of the web portion of cross member 41 than the block 52 on the face of the web portion of cross member 42 .
  • projections 511 on the back side of block 52 may be provided to match with the positioning holes 521 on block 52 in FIG. 6 , so as to facilitate the operation as the clip 51 is inserted into position.
  • FIG. 8 shows another embodiment of the main grid member 80 with retaining means, in the form of a connecting block 81 riveted to the web portion 82 of grid member.
  • the connecting block 81 provides channels 83 , 84 for the connecting plate (not shown).
  • FIG. 9 shows the spring member 32 with ends that form pins 321 , 322 .
  • FIGS. 10 , 11 and 12 show another embodiment of a clip 100 for making a linear connection between the cross members and main grid members of a suspended ceiling system.
  • the clip slides within the block 52 on the cross members.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Joining Of Building Structures In Genera (AREA)
US12/300,895 2006-05-15 2007-05-15 Connections for suspended ceiling system Abandoned US20090293403A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200620115122.6 2006-05-15
CNU2006201151226U CN2895583Y (zh) 2006-05-15 2006-05-15 装修用龙骨连接机构
PCT/CA2007/000847 WO2007131351A1 (fr) 2006-05-15 2007-05-15 Meilleures connexions pour dispositif de plafond suspendu

Publications (1)

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US20090293403A1 true US20090293403A1 (en) 2009-12-03

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Application Number Title Priority Date Filing Date
US12/300,895 Abandoned US20090293403A1 (en) 2006-05-15 2007-05-15 Connections for suspended ceiling system

Country Status (4)

Country Link
US (1) US20090293403A1 (fr)
CN (1) CN2895583Y (fr)
CA (2) CA2746404A1 (fr)
WO (1) WO2007131351A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130205689A1 (en) * 2010-10-29 2013-08-15 Plafometal Connector for suspended metal ceiling framework and ceiling employing same
US20130227907A1 (en) * 2012-03-01 2013-09-05 Usg Interiors, Llc Splice clip for ceiling grid systems
US9637918B1 (en) * 2016-01-06 2017-05-02 Usg Interiors, Llc Cross runner to main runner anchor clip
US9920524B2 (en) * 2016-01-19 2018-03-20 Usg Interiors, Llc Trim strip system for use with underhung ceiling panels
US10106982B2 (en) 2017-03-13 2018-10-23 Rockwool International A/S High strength grid member for suspended ceilings
US11053682B1 (en) * 2020-03-12 2021-07-06 Usg Interiors, Llc High strength main tee splice
US11802407B2 (en) 2021-11-23 2023-10-31 Rockwool A/S Suspended drywall ceiling grid system support members
USD1009309S1 (en) * 2020-04-21 2023-12-26 Rockwool A/S Grid tee for suspended ceiling

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7788872B2 (en) * 2008-03-06 2010-09-07 Worthington Armstrong Venture Seismic main beam connection
EP3019674A4 (fr) * 2013-07-09 2017-01-11 Studform Pty Ltd. Système de plafond parasismique
CN103452222B (zh) * 2013-09-23 2015-08-12 杭州奥普博朗尼厨卫科技有限公司 龙骨连接件及便于运输的龙骨

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284977A (en) * 1965-04-08 1966-11-15 Lickliter Expansion splice
US3333387A (en) * 1965-08-27 1967-08-01 Deakins Donald Ceiling panel structure
US3496690A (en) * 1967-04-17 1970-02-24 Chicago Metallic Sash Co Main runner part
US3640557A (en) * 1969-12-19 1972-02-08 Armstrong Cork Co Expansion splice
US3979874A (en) * 1972-11-24 1976-09-14 Alabama Metal Industries Corporation Suspended ceiling system and runner joints therefor
US4389828A (en) * 1980-06-12 1983-06-28 Howmet Aluminum Corp. Suspended ceiling system with crossing clip
US4462198A (en) * 1981-04-03 1984-07-31 Ceiling Dynamics, Inc. Suspended ceiling system
US4494350A (en) * 1982-09-20 1985-01-22 Ceiling Dynamics, Inc. Aluminum suspension system
US4498802A (en) * 1983-09-29 1985-02-12 Burroughs Corporation Coupling arrangement
US4685262A (en) * 1985-10-17 1987-08-11 Consolidated Systems, Inc. Main beam for ceiling panel suspension system
US5154031A (en) * 1991-03-26 1992-10-13 Schilling Components, Incorporated Suspended ceiling system and connector clip therefor
US5271202A (en) * 1992-05-12 1993-12-21 Chicago Metallic Corporation Suspended ceiling system with staked-on connectors
US6138425A (en) * 1997-12-16 2000-10-31 Usg Interiors, Inc. Splice clip for drywall suspension grid
US6523313B2 (en) * 2001-03-06 2003-02-25 Worthington Armstrong Venture Main beam connection

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284977A (en) * 1965-04-08 1966-11-15 Lickliter Expansion splice
US3333387A (en) * 1965-08-27 1967-08-01 Deakins Donald Ceiling panel structure
US3496690A (en) * 1967-04-17 1970-02-24 Chicago Metallic Sash Co Main runner part
US3640557A (en) * 1969-12-19 1972-02-08 Armstrong Cork Co Expansion splice
US3979874A (en) * 1972-11-24 1976-09-14 Alabama Metal Industries Corporation Suspended ceiling system and runner joints therefor
US4389828A (en) * 1980-06-12 1983-06-28 Howmet Aluminum Corp. Suspended ceiling system with crossing clip
US4462198A (en) * 1981-04-03 1984-07-31 Ceiling Dynamics, Inc. Suspended ceiling system
US4494350A (en) * 1982-09-20 1985-01-22 Ceiling Dynamics, Inc. Aluminum suspension system
US4498802A (en) * 1983-09-29 1985-02-12 Burroughs Corporation Coupling arrangement
US4685262A (en) * 1985-10-17 1987-08-11 Consolidated Systems, Inc. Main beam for ceiling panel suspension system
US5154031A (en) * 1991-03-26 1992-10-13 Schilling Components, Incorporated Suspended ceiling system and connector clip therefor
US5271202A (en) * 1992-05-12 1993-12-21 Chicago Metallic Corporation Suspended ceiling system with staked-on connectors
US6138425A (en) * 1997-12-16 2000-10-31 Usg Interiors, Inc. Splice clip for drywall suspension grid
US6523313B2 (en) * 2001-03-06 2003-02-25 Worthington Armstrong Venture Main beam connection

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130205689A1 (en) * 2010-10-29 2013-08-15 Plafometal Connector for suspended metal ceiling framework and ceiling employing same
US9315991B2 (en) * 2010-10-29 2016-04-19 Plafometal Connector for suspended metal ceiling framework and ceiling employing same
US9745745B2 (en) 2010-10-29 2017-08-29 Plafometal Ceiling framework
US20130227907A1 (en) * 2012-03-01 2013-09-05 Usg Interiors, Llc Splice clip for ceiling grid systems
US8782985B2 (en) * 2012-03-01 2014-07-22 Usg Interiors, Llc Splice clip for ceiling grid systems
US9637918B1 (en) * 2016-01-06 2017-05-02 Usg Interiors, Llc Cross runner to main runner anchor clip
US9920524B2 (en) * 2016-01-19 2018-03-20 Usg Interiors, Llc Trim strip system for use with underhung ceiling panels
US10006199B2 (en) 2016-01-19 2018-06-26 Usg Interiors, Llc Trim strip system for use with underhung ceiling panels
US10106982B2 (en) 2017-03-13 2018-10-23 Rockwool International A/S High strength grid member for suspended ceilings
US20190024372A1 (en) * 2017-03-13 2019-01-24 Rockwool International A/S High strength grid member for suspended ceilings
US11053682B1 (en) * 2020-03-12 2021-07-06 Usg Interiors, Llc High strength main tee splice
USD1009309S1 (en) * 2020-04-21 2023-12-26 Rockwool A/S Grid tee for suspended ceiling
US11802407B2 (en) 2021-11-23 2023-10-31 Rockwool A/S Suspended drywall ceiling grid system support members

Also Published As

Publication number Publication date
CA2645824C (fr) 2011-10-04
CA2645824A1 (fr) 2007-11-22
CN2895583Y (zh) 2007-05-02
WO2007131351A1 (fr) 2007-11-22
CA2746404A1 (fr) 2007-11-22

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