CN215167068U - Ceiling expansion joint structure - Google Patents
Ceiling expansion joint structure Download PDFInfo
- Publication number
- CN215167068U CN215167068U CN202120875780.XU CN202120875780U CN215167068U CN 215167068 U CN215167068 U CN 215167068U CN 202120875780 U CN202120875780 U CN 202120875780U CN 215167068 U CN215167068 U CN 215167068U
- Authority
- CN
- China
- Prior art keywords
- ceiling
- expansion joint
- keel
- suspension mechanism
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model discloses a ceiling expansion joint structure, which comprises a first suspension mechanism, a second suspension mechanism and a baffle plate, wherein the upper end of the first suspension mechanism is connected with a floor plate, the lower end of the first suspension mechanism is connected with a first ceiling plate, the second suspension mechanism and the first suspension mechanism are adjacently arranged, the upper end of the second suspension mechanism is connected with the floor plate, the lower end of the second suspension mechanism is connected with a second ceiling plate, an expansion joint is formed between the first ceiling plate and the second ceiling plate, the baffle plate is arranged in the expansion joint for sealing the expansion joint, one end of the baffle plate is movably connected with the first ceiling plate, the other end of the baffle plate is movably connected with the second ceiling plate, the ceiling expansion joint structure provided by the utility model avoids the extrusion damage of the ceiling due to deformation or vibration, the suspended ceiling structure is more attractive.
Description
Technical Field
The utility model relates to a building field, specific saying relates to a smallpox expansion joint structure.
Background
The ceiling expansion joint is a protective reserved gap which avoids the ceiling from being damaged by extrusion due to the expansion and contraction of the ceiling structure caused by the change of the environmental temperature and the vibration generated by the external force, although the ceiling is prevented from being damaged by the reserved gap, the reserved ceiling expansion joint still has some defects, such as the aesthetic feeling of the ceiling structure and the dust on the roof are influenced, and the expansion joint drops to the ground, thereby influencing the tidiness of the indoor environment.
Therefore, there is a need for further improvements in the prior art.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model aims to provide a smallpox expansion joint structure.
In order to achieve the above object, according to the utility model discloses a ceiling expansion joint structure, suspend mechanism and baffle in midair including first suspension mechanism, second.
The upper end of the first suspension mechanism is connected to the floor plate, and the lower end of the first suspension mechanism is connected with the first ceiling plate.
The second suspension mechanism and the first suspension mechanism are arranged adjacently, the upper end of the second suspension mechanism is connected to the floor plate, the lower end of the second suspension mechanism is connected with a second ceiling, and an expansion joint is formed between the first ceiling and the second ceiling.
The partition board is arranged in the expansion joint and used for sealing the expansion joint, one end of the partition board is movably connected with the first ceiling board, and the other end of the partition board is movably connected with the second ceiling board.
Additionally, according to the utility model discloses a ceiling expansion joint structure of above-mentioned embodiment can also have following additional technical characterstic:
according to the utility model discloses an embodiment, first ceiling with the relative side of second smallpox all is equipped with a square tube, two the opposite face of square tube has all been seted up one and has been run through to the inside logical groove of square tube, mobilizable passing respectively at the both ends of baffle the logical groove extends to inside the square tube.
According to the utility model discloses an embodiment, the baffle is located two the one end in the square tube all forms the upwards crookedly and describes.
According to an embodiment of the present invention, the first suspension mechanism includes a first main runner, a first suspension member, a first cross runner, and a first suspension member.
The upper end of the first suspension piece is connected to the floor plate, and the lower end of the first suspension piece is connected to the first main keel.
The first auxiliary keel is connected to the lower end of the first main keel.
The lower end of the first hanging piece is connected to the first ceiling plate, and the upper end of the first hanging piece is hung on the first auxiliary keel.
According to an embodiment of the present invention, the second suspension mechanism includes a second main keel, a second suspension member, a second sub keel, and a second hanging member.
The upper end of the second suspension piece is connected to the floor plate, and the lower end of the second suspension piece is connected to the second main keel.
The second auxiliary keel is connected with the lower end of the second main keel.
The second pendant lower extreme connect in the second ceiling, second pendant upper end articulate in on the vice fossil fragments of second.
According to the utility model discloses an embodiment, first main joist lower extreme is equipped with the third false keel, the third false keel with the adjacent setting of first false keel, two be close to in the square tube be equipped with the third pendant on the square tube of first day card, articulate in on the third pendant on the third false keel.
According to the utility model discloses an embodiment, second main joist lower extreme is equipped with fourth false keel, fourth false keel with the adjacent setting of second false keel, two be close to in the square tube be equipped with the fourth pendant on the square tube of second ceiling, hang on fourth pendant upper end on the fourth false keel.
According to the utility model discloses an embodiment, still include first reinforcement, the laminating of first reinforcement is located one side of first day card, first reinforcement lower extreme orientation is kept away from one side of square tube is buckled, and laminate in first day card bottom surface, first reinforcement upper end with first false keel is connected.
According to the utility model discloses an embodiment still includes the second reinforcement, the laminating of second reinforcement is located one side of second ceiling, second reinforcement lower extreme orientation is kept away from one side of square tube is buckled, and laminate in second ceiling bottom surface, second reinforcement upper end with the vice fossil fragments of second are connected.
According to an embodiment of the invention, the height of the baffle bend is greater than the height of the through groove.
According to the embodiment of the utility model provides a ceiling expansion joint structure, through first ceiling with form between the second ceiling the expansion joint can effectively avoid the ceiling to cause the vibrations that the expend with heat and contract with cold, the exogenic action of furred ceiling structure produce because of ambient temperature changes and take place the extrusion damage, and the baffle is located in the expansion joint, can be right the expansion joint is sealed, and the whole aesthetic property of effectual reinforcing furred ceiling structure has also avoided debris such as the dust of floor board to pass through simultaneously the expansion joint drops subaerially, because the one end of baffle with first ceiling swing joint, the baffle other end with second ceiling swing joint, so, can make the baffle along with first ceiling with the change of interval carries out corresponding removal between the second ceiling, has also guaranteed when having guaranteed aesthetic property and clean and tidy nature that the ceiling does not take place to damage when taking place deformation or vibrations.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic plan view of the overall structure in an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to an embodiment of the present invention;
fig. 3 is an enlarged view of a portion B in fig. 1 according to an embodiment of the present invention.
Reference numerals:
a first suspension mechanism 10;
a first main runner 101;
a first suspender 102;
a first cross runner 103;
a first hanger 104;
a third cross runner 105;
a first stiffener 106;
a first ceiling 20;
the second suspension mechanism 30;
a second main runner 301;
a second suspension 302;
a second secondary keel 303;
a second hanger 304;
a fourth cross runner 305;
a second stiffener 306;
a second ceiling 40;
a partition plate 50;
a square tube 501;
a through slot extension 502;
a third hanger 5011;
the fourth hanger 5012.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The utility model discloses smallpox expansion joint structure of embodiment is described in detail with reference to the attached drawing below.
Referring to fig. 1 to 3, an embodiment of the present invention provides a ceiling expansion joint structure, which includes a first suspension mechanism 10, a second suspension mechanism 30 and a partition 50.
The upper end of the first suspension mechanism 10 is connected to the floor plate, and the lower end of the first suspension mechanism 10 is connected to the first ceiling plate 20.
The second suspension mechanism 30 and the first suspension mechanism 10 are adjacently arranged, the upper end of the second suspension mechanism 30 is connected to a floor plate, the lower end of the second suspension mechanism 30 is connected to a second ceiling 40, and an expansion joint is formed between the first ceiling plate 20 and the second ceiling 40.
The partition board 50 is arranged in the expansion joint and used for sealing the expansion joint, one end of the partition board 50 is movably connected with the first ceiling board 20, and the other end of the partition board 50 is movably connected with the second ceiling board 40.
It should be noted that, in actual situations, in order to avoid adverse effects such as extrusion damage and the like caused by environmental and temperature changes or vibration of floor boards, so that a protective gap is reserved between two adjacent floor boards, then, by forming the expansion joint between the first ceiling board 20 and the second ceiling board 40, extrusion damage caused by expansion and contraction of the ceiling structure caused by environmental temperature changes and vibration caused by external force can be effectively avoided, and the partition board 50 is arranged in the expansion joint, so that the expansion joint can be sealed, the overall aesthetic property of the ceiling structure can be effectively enhanced, and meanwhile, impurities such as dust and the like of the floor boards can be prevented from falling onto the ground through the expansion joint, because one end of the partition board 50 is movably connected with the first ceiling board 20, and the other end of the partition board 50 is movably connected with the second ceiling board 40, accordingly, the partition 50 can be moved according to the change of the distance between the first ceiling board 20 and the second ceiling board 40, thereby ensuring the appearance and neatness of the ceiling board without being damaged when the ceiling board is deformed or vibrated.
Preferably, in an embodiment of the present invention, a square tube 501 is disposed on a side opposite to the first ceiling 20 and the second ceiling 501, a through groove extending to the inside of the square tube 501 is disposed on an opposite surface of the square tube 501, and two ends of the partition board 50 respectively movably pass through the through groove and extend 502 to the inside of the square tube 501.
Thus, because the two ends of the partition board 50 respectively movably penetrate through the through groove extension 502 to the inside of the square tube 501, then, the expansion joint can be closed, and can also correspondingly slide along with the change of the gap between the first ceiling board 20 and the second ceiling board 40, when the gap between the first ceiling board 20 and the second ceiling board 40 is reduced, the two ends of the partition board 50 can more extend into the square tube 501, when the gap between the first ceiling board 20 and the second ceiling board 40 is increased, the part of the partition board 50 located inside the square tube 501 can correspondingly slide out, and the expansion joint is constantly ensured to be in a closed state while the effect is ensured.
Preferably, in an embodiment of the present invention, one end of the partition board 50 located in the two square channels 501 is formed to be bent upwards, and the height of the bent portion of the partition board 50 is greater than the height of the through groove.
In this way, since the ends of the partition boards 50 located in the two square tubes 501 are both formed to be bent upwards, and the bent portions of the partition boards 50 are higher than the height of the through slots, when the first ceiling board 20 and the second ceiling board 40 are deformed or vibrated to different degrees, the one end of the partition board 50 can be effectively prevented from sliding out of the square tubes 501.
Preferably, in an embodiment of the present invention, the first suspension mechanism 10 includes a first main keel 101, a first suspension member 102, a first cross keel 103 and a first hanging member 104.
The upper end of the first suspending member 102 is connected to the floor slab, and the lower end of the first suspending member 102 is connected to the first main runner 101.
The first cross runner 103 is connected to the lower end of the first main runner 101.
The lower end of the first hanging member 104 is connected to the first ceiling plate 20, and the upper end of the first hanging member 104 is hung on the first secondary keel 103.
Thus, as the first ceiling plate 20 is connected to the first auxiliary keel 103 through the first hanging member 104, and the first auxiliary keel 103 is connected to the first main keel 101, the connection is more stable, and meanwhile, the first auxiliary keel 103 is distributed according to requirements, and correspondingly, the first main keel 101 is connected to the floor plate through the first hanging member 102, so that the whole installation is more convenient and rapid.
Preferably, in an embodiment of the present invention, the second suspension mechanism 30 includes a second main keel 301, a second suspension member 302, a second auxiliary keel 303 and a second suspension member 304.
The upper end of the second suspending member 302 is connected to the floor slab, and the lower end of the second suspending member 302 is connected to the second main keel 301.
The second cross runner 303 is connected to the lower end of the second main runner 301.
The lower end of the second hanging member 304 is connected to the second ceiling 40, and the upper end of the second hanging member 304 is hung on the second auxiliary keel 303.
So, because the second and the ceiling pass through the second pendant 304 connect in on the second vice fossil fragments 303, and the second vice fossil fragments 303 then connect in on the second main joist 301, so, can be so that connect more firm, also can go on according to the demand simultaneously the distribution of second vice fossil fragments 303, and corresponding, the second main joist 301 passes through the second hangs up the piece 302 and connects on the floor board, makes its overall installation convenient and fast more.
Preferably, in an embodiment of the present invention, the lower end of the first main keel 101 is provided with a third cross keel 105, the third cross keel 105 is adjacent to the first cross keel 103, two of the square tube 501 is close to the third pendant 5011 on the square tube 501 of the first ceiling plate 20, and the upper end of the third pendant 5011 is hung on the third cross keel 105.
So, through set up first main joist 101 lower extreme the third false keel 105, and two be close to in the square tube 501 be equipped with the third pendant 5011 on the square tube 501 of first ceiling plate 20, and will the third pendant 5011 upper end articulate in on the third false keel 105, so, can be to being close to the square tube 501 of first ceiling plate 20 is fixed, and its fixed mode is simple and reliable.
Preferably, in an embodiment of the present invention, a fourth cross member 305 is disposed at a lower end of the second main keel 301, the fourth cross member 305 and the second cross member 303 are disposed adjacently, two of the square tube 501 is close to a fourth hanging part 5012 disposed on the square tube 501 of the second ceiling 40, and an upper end of the fourth hanging part 5012 is hung on the fourth cross member 305.
So, through set up second main joist 301 lower extreme the fourth false keel 305, and two be close to in the square tube 501 be equipped with the fourth pendant 5012 on the square tube 501 of second ceiling 40, and will the upper end articulate in on the fourth false keel 305 of fourth pendant 5012, so, can be to being close to the square tube 501 of second ceiling 40 is fixed, and its fixed mode is simple and reliable.
Preferably, in an embodiment of the present invention, the ceiling structure further includes a first reinforcing member 106, the first reinforcing member 106 is attached to one side of the first ceiling plate 20, the lower end of the first reinforcing member 106 is bent towards one side away from the square tube 501, and is attached to the bottom surface of the first ceiling plate 20, and the upper end of the first reinforcing member 106 is connected to the first cross keel 103.
Thus, because the lower end of the first reinforcing member 106 is bent towards one side far away from the square tube 501, and is attached to the bottom surface of the first ceiling 20, the upper end of the first reinforcing member 106 is connected with the first sub keel 103, so that the first ceiling 20 can be supported by the bent part of the first reinforcing member 106, and the installation stability of the first ceiling 20 is further enhanced.
Preferably, in an embodiment of the present invention, the ceiling structure further includes a second reinforcing member 306, the second reinforcing member 306 is attached to one side of the second ceiling 40, the lower end of the second reinforcing member 306 is bent towards one side away from the square tube 501, and is attached to the bottom surface of the second ceiling 40, and the upper end of the second reinforcing member 306 is connected to the second sub-keel 303.
In this way, because the lower end of the second reinforcement 306 is bent towards the side far away from the square tube 501 and is attached to the bottom surface of the second ceiling 40, the upper end of the second reinforcement 306 is connected with the second sub-keel 303, so that the second ceiling 40 can be supported by the bent part of the second reinforcement 306, and the installation stability of the second ceiling 40 is further enhanced.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. A ceiling expansion joint structure, characterized by, includes:
the upper end of the first suspension mechanism is connected to the floor plate, and the lower end of the first suspension mechanism is connected with a first ceiling plate;
the second suspension mechanism and the first suspension mechanism are arranged adjacently, the upper end of the second suspension mechanism is connected to a floor plate, the lower end of the second suspension mechanism is connected with a second ceiling, and an expansion joint is formed between the first ceiling plate and the second ceiling;
the baffle is arranged in the expansion joint and used for sealing the expansion joint, one end of the baffle is movably connected with the first ceiling, and the other end of the baffle is movably connected with the second ceiling.
2. The ceiling expansion joint structure of claim 1, wherein a square tube is disposed on each of opposite sides of the first ceiling and the second ceiling, a through slot penetrating into the square tube is disposed on each of opposite sides of the square tube, and two ends of the partition plate respectively movably penetrate through the through slot and extend into the square tube.
3. The ceiling expansion joint structure of claim 1, wherein one end of the partition board located in the two square passages is formed to be bent upwards.
4. The ceiling expansion joint structure of claim 2, wherein the first suspension mechanism comprises:
a first main keel;
the upper end of the first suspension piece is connected to the floor plate, and the lower end of the first suspension piece is connected to the first main keel;
the first auxiliary keel is connected to the lower end of the first main keel;
the lower end of the first hanging piece is connected to the first ceiling plate, and the upper end of the first hanging piece is hung on the first auxiliary keel.
5. The ceiling expansion joint structure of claim 2, wherein the second suspension mechanism comprises:
a second main keel;
the upper end of the second suspension piece is connected to the floor plate, and the lower end of the second suspension piece is connected to the second main keel;
the second auxiliary keel is connected to the lower end of the second main keel;
and the lower end of the second hanging piece is connected to the second ceiling, and the upper end of the second hanging piece is hung on the second auxiliary keel.
6. The ceiling expansion joint structure according to claim 4, wherein a third auxiliary keel is arranged at the lower end of the first main keel, the third auxiliary keel is arranged adjacent to the first auxiliary keel, a third hanging piece is arranged on one of the two square tubes close to the first ceiling plate, and the upper end of the third hanging piece is hung on the third auxiliary keel.
7. The ceiling expansion joint structure of claim 5, wherein a fourth auxiliary keel is arranged at the lower end of the second main keel, the fourth auxiliary keel and the second auxiliary keel are arranged adjacently, a fourth hanging piece is arranged on the square tube close to the second ceiling in the two square tubes, and the upper end of the fourth hanging piece is hung on the fourth auxiliary keel.
8. The ceiling expansion joint structure according to claim 4, further comprising a first reinforcing member, wherein the first reinforcing member is attached to one side of the first ceiling plate, the lower end of the first reinforcing member is bent towards one side away from the square tube and attached to the bottom surface of the first ceiling plate, and the upper end of the first reinforcing member is connected with the first sub keel.
9. The ceiling expansion joint structure of claim 5, further comprising a second reinforcement member, wherein the second reinforcement member is attached to one side of the second ceiling, the lower end of the second reinforcement member is bent toward the side away from the square tube and attached to the bottom surface of the second ceiling, and the upper end of the second reinforcement member is connected to the second sub-keel.
10. The ceiling expansion joint structure according to claim 3, wherein the height of the partition plate curved portion is greater than the height of the through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875780.XU CN215167068U (en) | 2021-04-26 | 2021-04-26 | Ceiling expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875780.XU CN215167068U (en) | 2021-04-26 | 2021-04-26 | Ceiling expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215167068U true CN215167068U (en) | 2021-12-14 |
Family
ID=79363846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120875780.XU Active CN215167068U (en) | 2021-04-26 | 2021-04-26 | Ceiling expansion joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215167068U (en) |
-
2021
- 2021-04-26 CN CN202120875780.XU patent/CN215167068U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7578107B2 (en) | Suspended ceiling segment | |
| RU2221118C2 (en) | Suspended latticed ceiling | |
| CN215167068U (en) | Ceiling expansion joint structure | |
| US20220056690A1 (en) | Ceiling system and method of installation | |
| CN207846777U (en) | A kind of office partitions wall mounting structure | |
| US20230183971A1 (en) | Folded architectural panel | |
| EP1167649A2 (en) | Compression relief section | |
| JP2018003416A (en) | Partition member and floor surface partition structure | |
| JP2002542411A (en) | Ceiling panels | |
| CN111910828A (en) | Suspended ceiling and installation method | |
| JP7054298B2 (en) | Floor insulation structure | |
| KR102484748B1 (en) | Fixing apparatus of clip bar insert type drain board for wall | |
| CN212405706U (en) | Keel hanging structure of assembled ceiling | |
| US20230040670A1 (en) | Suspended ceiling system | |
| JP4651572B2 (en) | Gradient type ventilation building | |
| JPS6015857Y2 (en) | rain gutter | |
| CN215948646U (en) | Sound-absorbing ceiling board | |
| KR102628256B1 (en) | Ceiling panel for clean room | |
| JPH02248565A (en) | Sound-absorbing and heat-insulating roof and ceiling structure | |
| CN215167078U (en) | Clamping formula furred ceiling mounting structure | |
| CN214941946U (en) | Dry-hanging wall structure | |
| CN218990755U (en) | Glass mounting structure for house inner wall | |
| KR102145328B1 (en) | Eco-lock panel for building | |
| RU223503U1 (en) | Universal panel | |
| CN215802603U (en) | Suspended ceiling assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |