CN1650325A

CN1650325A - Suspended ceiling grid structure with main runners incorporating coded matching indicia for receiving cross runners in desired spaced apart fashion

Info

Publication number: CN1650325A
Application number: CN02829475.0A
Authority: CN
Inventors: 威廉·保罗; 卡罗尔·保罗
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-03
Filing date: 2002-07-03
Publication date: 2005-08-03
Also published as: CA2491473A1; WO2004006174A1; MXPA05000249A; AU2002329205A1; EP1540579A1

Abstract

A marking system incorporated into a suspended grid structure supporting a plurality of ceiling tiles. A first plurality of main runners are suspending from a ceiling by hanger wires and in parallel, spaced apart and elongated extending fashion. Each of main runners defines, in cross section, a tile support lip and a web extending from the support lip. A plurality of elongated channels are formed through first and second opposite faces of the main runner web at axially spaced apart intervals and between a first end and a secone end. A second plurality of cross runners extend between the main runners and each also defines in cross section a tile support lip and a web extending in substantially perpendicular fashion from a midpoint of the support lip. First and second connector clips extend from a midpoint of the support lip. First and second connector clips extend from associated first and secone ends of each of the cross runners and engage, in laterally inserting fashion, through aligning channels defined in the main runners, opposing ends of first and second of a selected cross runners further engaging through an elongated channel of a selected main runner.

Description

The main joist that employing contains the codes match mark is accepted the suspension type ceiling cell structure of secondary joist with the predetermined space form

Technical field

The present invention relates generally to suspension type ceiling cell structure (suspended ceiling gridstructures), more particularly, relate to the cell structure that adopts main joist (main runners), this main joist contains the receiving orifice that separates by regulation coded system sign.The secondary joist that links (cross runners) engages with regulation hole on the main joist, and its subset code corresponding to coded system (subset code).Coding configuration is applied to main joist has guaranteed correct lineal measure (lineal footage), with accurate aligning secondary joist along main joist.

Background technology

The suspended structure that is used to form the ceiling grid is well-known in this field, and this structure notion is behind provided for ceiling board (ceiling tile) and hangs support.This plate is rectangle normally, and itself has a sound insulation function, so that form evenly and the ceiling outward appearance of " hanging outstanding " for the interior enclosure wall (interiorenclosure) of not fitting up ceiling again, this enclosure wall comprises commercial establishment inside, also has the basement ceiling in the dwelling house.

The U.S. Patent No. 4,677,802 that Vukmanic delivers discloses a kind of known suspension type canopy system and keel (runner) structure, it is characterized in that each keel is made up of first member and caping member.First member is bent to form the inverted T-shaped keel configuration with groove, this groove extends internally from the flange of T shape, and the caping member has identical configuration and be fixed on the flange of tee girder configuration, to form the used passage (channel) of canopy system support plate with flange portion in every side.

The U.S. Patent No. 4,712,350 that Vukmanic also delivers discloses a kind of centering device that is used for suspension type ceiling T shape member, is used for a plurality of lattice plates that supported by keel are remained on precalculated position on the keel flange.Centering device comprises the projection (bump) of extending from each side of the cross sectional web profile of keel, and this projection be close to the otch formation in the keel on web, so that can not pull out material near flange or its when material is drawn in projection.The shape of projection is preferably " first quarter moon " or semicircle configuration, so as to give the lattice plate along flange transverse movement and provide level and smooth cammed surfaces towards the vertical moving of flange.

The U.S. Patent No. 4,525,973 that Vukmanic delivers is again pointed out a kind of canopy system that dangles, and proposition is bonded with each other and limits the main joist and the secondary joist of square-grid system once more.Suitable configuration and slot are formed on the web profile of main joist and accept the link of the selected suitable configuration of secondary joist in the mode of axially spaced-apart, thereby secondary joist and main joist are bonded with each other on its opposite flank.Other example of suspension type ceiling trellis system is illustrated in U.S. Patent No. 5,839,246 these class patents that the U.S. Patent No. 4,470,239 that resembles Sauer and deliver, U.S. Patent No. 4,727,703 that Platt delivers and Ziegler deliver.

Summary of the invention

The present invention is the Mk system that a kind of suspension type cell structure that supports a plurality of ceiling floors contains, and this Mk system assurance secondary joist is correctly aimed at respect to the main joist of parallel spaced apart.Particularly Mk system assurance secondary joist is correctly located before the continuous arrangement length joint along main joist at assigned position between the main joist.So far, still having a very big shortcoming in the prior art is secondary joist correctly to be aimed at the cell structure main joist along continuous development length.

More than first main joist with suspension wire from ceiling with parallel, separate and the mode of elongated extension suspended.Each main joist xsect limiting plate support lugn (support lip) and the web that extends from this support lugn.A plurality of elongated channel axis separate first and second opposite faces that run through the main joist web towards each other and form, and between first end and second end.Each elongated passage presents unique configuration, comprises the shape of increasing or rhombus, and its purposes is described later.

More than second secondary joist extends with space increment between main joist, and each secondary joist xsect also limiting plate support lugn and the web that extends in the mode of approximate vertical from the mid point of this support lugn.First and second connect clamps (connector clips) extends from first and second ends that link of each secondary joist, and passes in laterally inserted mode and to be limited to the aligned with channel on the main joist and to engage.In preferred structure, the enlarged configuration of passage makes the opposite end of the first and second selected secondary joists to engage in its opposite flank with main joist.Each connects clamp also can comprise the shank that expands outwardly, and its purposes is the lateral edge that links near elongated passageway, thereby prevents that secondary joist breaks away from from the main joist that engages with it is accidental.

Tag application in the selected passage of main joist and connecting clamp be bonded in the main joist passage before the tram of identification secondary joist.In an advantageous variant, mark comprises and the selected accordingly channel coding of at least one color indicia (being preferably first, second, third, fourth color indicia).In the Another Application of this modification, color indicia can be provided as the form of cementation floriation.Can estimate in addition, provide mark with offset form, can adopt different linear standards in any one side of main joist like this in two sides of main joist.

Description of drawings

With reference now to accompanying drawing,, and read together in conjunction with following detailed description, wherein identical Reference numeral is represented identical parts in a few width of cloth views, and its figure is as follows:

Fig. 1 is all edge views of low furred ceiling (drop ceiling) cell structure of expression, as providing according to Mk system of the present invention;

Fig. 2 is the main joist of the Mk system according to the present invention and relative paired joint secondary joist cross section exploded view;

Fig. 3 is a planimetric map, first modification of first side of the selected main joist of expression and demonstration mark according to the present invention;

Fig. 4 is a planimetric map, represents second side of selected main joist shown in Figure 3 and second modification of demonstration mark according to the present invention; With

Fig. 5 is the sectional view of mark second modification and illustrates according to cementation floriation of the present invention (appliqu é).

Embodiment

Referring now to Fig. 1,, total figure of low ceiling grid structure marks with 10, and it contains with good grounds Mk system of the present invention.As previously mentioned, Mk system guarantees a plurality of

secondary joists

12,12 ', 12 " and following, 14,14 ', 14 " and following, 16,16 ', 16 " and following

main joist

18,20,22 and following correct aligning with respect to parallel spaced apart.Particularly Mk system guarantees that a plurality of

secondary joists

12,14,16 correctly locate then just at

main joist

18,20, and assigned position engages along the continuous arrangement length of main joist between 22.

As previously mentioned, so far, still having a very big shortcoming in the prior art is secondary joist correctly to be aimed at the cell structure main joist along these continuous development lengths.Often, the installation personnel of the cell structure secondary joist aligning not of just after a lot of follow-up keel install according to the measurement of mistake, just recognizing joint.The purpose of this invention is to provide a kind of accurately anti-coding or Mk system, keep correct linear alignment with respect to main joist to guarantee secondary joist.

Referring now to Fig. 2,, the partial view of selected main joist 18 wherein is shown with decomposed form, and has the

keel

12 and 12 ' and 14 and 14 ' that respective transversal is extended.Although only show the part of whole cell structure, it is to be understood that still the main joist that each spaced-apart parallel is extended all is constructed substantially into identical form with the secondary joist that is bonded with each other.Therefore, the repeatability of each main joist and secondary joist describes to illustrate it is unnecessary for this.

Main joist 18 is configured to elongated extended element and comprises the plate support lugn 24 of xsect and the web 26 that extends from flange 24 approximate midpoint.Can see also and understanding well that from Fig. 1 described flange 24 provides the lug supporting surface for extending edges with 28 ceiling floors of representing among Fig. 1.With reference to figure 2, the web 26 slave plate support lugns 24 of main joist 18 roughly extend upward again, and end at thickening coboundary 30.Main joist and secondary joist are preferred all with the flat blank into manufacturing of aluminium or similar material, and self-evident, and thickening coboundary (representing with 30 equally) can be by being folded the extension formation of blank.Also wish to strengthen main joist 18 in case cantilever force vertically and twisting resistance, this is provided by the cross sectional configuration that has the web 26 that strengthens coboundary 30 to a great extent.

First and second opposite faces 40 and 42 that run through main joist 18 (again referring to Fig. 2) below a plurality of

elongated passageways

32,34,36,38 reach form, and are axially offset from one another between first and second ends of selected keel 18.Passage 32,34,36,38 reach following particular configuration within the free process range of this area individual skilled, yet can estimate, and each passage will comprise basic configuration for increasing or rhombus, as being shown clearly among the figure.The purposes of channel configurations is further to be convenient to the insertion of secondary joist and main joist and to engage, and will further describe this.Can also estimate that passage forms with six inches incremental increase along the length that extends axially of main joist, yet can also estimate to adopt other augmental interval, for example at interval one foot, and do not depart from scope of the present invention.

Main joist 18 usefulness suspension wires (for example seeing 44) are suspended from the ceiling (not shown) of interior enclosure wall, and this suspension wire passes a plurality of webs 26 that run through main joist 18 and extends axially one 46 selected in the hole that the length each interval forms along it.Refer again to accompanying drawing, make with paired 46 ground of alternate form usually in this hole, and along main joist corresponding to

passage

32,34,36,38 and following layout.Can also estimate, adopt other structure to suspend keel in midair, and not depart from scope of the present invention from ceiling.

Referring to Fig. 2, wherein a plurality of selected

secondary joists

12,12 ' and 14,14 ' are shown again, and the selected hole of main joist corresponding with it 18 is bonded with each other for being easy to show with the length of dwindling.For convenience of explanation, the secondary joist xsect is all constructed identical.Therefore, for reaching illustration purpose, this explanation will be defined in the selected cross member 14 shown in the length form of dwindling simultaneously.

Referring to Fig. 2, cross member 14 comprises plate support lugn 48 again, and its structure is similar to the respective support flange 24 of main joist 18, therefore, when secondary joist and main joist are bonded with each other, is formed for supporting the continuous rectangle extension edge edge at ceiling floor 28 edges.

Each cross member (representing with cross member 14 once more) comprises web 50, the approximate midpoint of its slave plate support lugn 48 extends upward, and end at the coboundary 52 that strengthens or thicken, this coboundary 52 reaches the identical effect of aforementioned main joist 18 thickening coboundarys 30 substantially, for example, offset bending force and the twisting resistance that extends axially length along each secondary joist.

First and second connect

clamps

54 and 56 extends from first and second of each secondary joist (for example secondary joist 14) end that links.Connect

clamp

54 and 56 be fixed on the opposite end of keel 14 with classic method (for example rivet), and be configured to again usually make select elongated passage (for example passage 32 and 36) by a side be connected clamp and/or relative connection clamp (refer again to secondary joist 14 usefulness 56 and secondary joist 12 usefulness 56) joint.Can also estimate that additional connection clamp (not shown) is fixed to

main joist

18,20,22 reach following elongated end, thereby make cell structure can fixedly lean against room enclosure wall wall marginal position.

In a preferred configuration, each connect

clamp

54,56,58 and below comprise the shank that expands outwardly, refer to and expand outwardly

part

60,62,64 and below, and correspond respectively to clamp 54,56,58 and below.The shank that setting expands outwardly makes and connects the link lateral edge of clamp near each elongated passageway, thereby prevents that secondary joist breaks away from from the main joist that engages with it is accidental.Pay special attention to

elongated passage

32 and 36, wherein each all demonstrates the configuration of increasing or rhombus, so just makes the relative connection clamp of paired

secondary joist

12,14 and 12 ', 14 ' therefrom pass joint.

Again referring to Fig. 2, and Fig. 3 and 4, wherein flag activation is applied to the selected passage of main joist (quoting main joist 18 once more), and engages the tram that connects identification secondary joist before the clamp in described main joist passage.Referring to Fig. 3, select first side 40 of main joist 18 shown in it, and it comprises and the corresponding color-code passage of a plurality of color indicia especially.Passage 36 and 38 particularly are shown, and

other passage

66,68,70,72 are shown continuously, 74,76,78 and below.

First 80, the second 82, the three 84 and the 4th 86 selected color indicia are shown in addition, and it is corresponding to selected and staggered

passage

36,66,70 and 74.Shown in mark configuration repeat usually, and passage 78 first color indicia subsequently is shown again with 88.Selected color is within those skilled in the art's free process range, and a kind of application of recommendation imagination is blueness 80, redness 82, black 84 and white 86 (repeating blue 88 once more at passage 78).Can also estimate that every kind of color indicia can be used by japanning.Referring to improved main joist 18 ', another kind of scheme is shown again, wherein every kind of color indicia is provided as bonding floriation form, and illustrates by the

floriation

90 and 92 that is adhered to hole 94 and 96.

Referring to Fig. 4, the back side 42 of main joist 18 is shown again, wherein color indicia is offset with respect to passage, or displacement.Particularly white 98 coincides with passage 76 with passage 72 and last blue 104 with passage 68, red 102 with passage 38, black 100.Providing the purpose of mark in two sides of main joist with offset manner is to make different linear standards can be applied to arbitrary side of main joist according to user's selection and select according to the user.

In any application, but make mark and make user's energy measurement go out to separate the correct lineal measure of engage lateral member.For example, cross member can be contained on the passage that each blueness, redness, black or white marking mark.In preferred example, matched indicia separates with four feet increment, with corresponding to ceiling floor and/or be installed in the size of light-duty lattice plate in the network.The user also can be chosen in the back side of main joist and use different separation standards, and utilizes the advantage of marking bias mode.

Therefore, the invention discloses a kind of Mk system of Nover practical, be used to guarantee the secondary joist and the correct linear alignment of main joist of network.For a person skilled in the art, will come into plain view in other advantageous applications that belongs to He do not depart from the claims scope.

Claims

1. Mk system that the suspension type cell structure that supports a plurality of ceiling floors contains, described system comprises:

More than first main joist and be used for from ceiling with parallel, separate and the mode of elongated extension is suspended the device of described main joist in midair, each described main joist limiting plate support lugn on xsect reaches the web that extends from described support lugn, a plurality of elongated channel axis separate first and second opposite faces that run through described web towards each other and form, and between first end and second end.

More than second secondary joist, between first and second main joists of selecting, extend, each described secondary joist also limiting plate support lugn and web of extending in the mode of approximate vertical from the mid point of described support lugn on xsect, first and second connect the link first and second ends extension of clamp from each described secondary joist, and with laterally inserted mode pass be limited to the aligned with channel on the described first and second selected main joists and engage and

Mark, be applied to the selected passage of described main joist and before described connection clamp is bonded in the described main joist passage identification described secondary joist the tram.

2. Mk system as claimed in claim 1, described mark also comprise according at least one color indicia selected passage of encoding.

3. Mk system as claimed in claim 2 also comprises corresponding to the first, second, third and the 4th of selected and channels interleaved the selected color indicia.

4. Mk system as claimed in claim 2 comprises that also every kind of color indicia is by the japanning use.

5. Mk system as claimed in claim 2 comprises that also every kind of color indicia is by bonding floriation use.

6. Mk system as claimed in claim 1, the opposite end that also comprises the first and second selected secondary joists pass elongated passageway and lean against on the opposite face of selected main joist and engage.

7. Mk system as claimed in claim 6, each described connection clamp also comprises the shank that expands outwardly, described shank is near the lateral edge that links of described elongated passageway, thereby prevents that described secondary joist breaks away from from the described main joist that engages with it is accidental.

8. Mk system as claimed in claim 1, the described device that is used to suspend in midair described main joist also comprise and run through the hole that each described main joist web forms, and suspension wire extends from ceiling, and pass one of the selected kink that forms in the described hole.

9. Mk system that the suspension type cell structure that supports a plurality of ceiling floors contains, described system comprises:

More than second secondary joist, between described main joist, extend, each described secondary joist also limiting plate support lugn and web of extending in the mode of approximate vertical from the mid point of described support lugn on xsect, first and second connect the link first and second ends extension of clamp from each described secondary joist, and pass in laterally inserted mode and to be limited to the aligned with channel on the described main joist and to engage, the opposite ends of the first and second selected secondary joists pass elongated passage and lean against engage on the opposite face of selected main joist and

Mark, be applied to the selected passage of described main joist and before described connection clamp is bonded in the described main joist passage tram of the described secondary joist of identification, described mark also comprises according at least one color indicia selected passage of encoding.