CN110344554A - A kind of attic type building constructions hidden deformation stair - Google Patents
A kind of attic type building constructions hidden deformation stair Download PDFInfo
- Publication number
- CN110344554A CN110344554A CN201910479674.7A CN201910479674A CN110344554A CN 110344554 A CN110344554 A CN 110344554A CN 201910479674 A CN201910479674 A CN 201910479674A CN 110344554 A CN110344554 A CN 110344554A
- Authority
- CN
- China
- Prior art keywords
- ladder
- connecting plate
- cover board
- fixing axle
- wall
- 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.)
- Granted
Links
- 238000009435 building construction Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
- E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
- E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
- E04F11/062—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding
- E04F11/066—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding folding like scissors or accordions
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses a kind of attic type building constructions hiddens to deform stair, including loft mouth, axis is sleeved and fixed between loft mouth inner wall, fixed hub connects cover plate, cover board upper mounting rail, ladder is clamped on guide rail, ladder installs baffle far from one end of guide rail, clump weight is installed on baffle outer wall, block is installed at the top of loft mouth, baffle is clamped at the top of block, cover board installs connecting plate close to one end of fixing axle, connecting plate and fixed between centers are equipped with telescoping mechanism, and connecting plate and solar are equipped with scissor flexible chain.When use, cover board is pulled down, cover board is rotated around fixing axle, then telescoping mechanism linkage extends and pushes scissor flexible chain, scissor flexible chain lengthening pushes ladder, ladder is gradually glided by guide rail and is pressed on house earth surface, when not in use, upper knock-out pad, telescoping mechanism connection, which is shunk, pulls scissor flexible chain, so that scissor flexible chain shrinks and pull ladder, then ladder gradually rises up on loft, thus hidden storage.
Description
Technical field
The present invention relates to architectural stair technical field, specially a kind of attic type building constructions hidden deforms stair.
Background technique
With the continuous development of building trade, loft is increasingly common in building, and loft is usually used in storing some be of little use
Article, people be all when using loft by removing the method for ladder then upper loft again, it is not only inconvenient, and usually ladder
It puts and occupies parking space in a room, and will be installed electronic flexible stair at some loft mouths, this flexible stair are all logical
Excessive root connecting rod cross-articulation is stretched (such as patent document CN204940724) in pedal side, still, such ladder it is whole
Body bearing capacity is low, very high to the connecting rod strength requirement of cross-articulation, not enough securely and reliably, and needs electric control system distant
It is flexible to control ladder, cost is higher, thus it is proposed that a kind of attic type building constructions hidden deformation stair are above-mentioned for solving
Problem.
Summary of the invention
The purpose of the present invention is to provide a kind of attic type building constructions hiddens to deform stair, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme: a kind of attic type building constructions hidden deforms building
Ladder, including loft mouth are fixedly attached fixing axle between one end inner wall of the loft mouth, turning set connects cover plate in the fixing axle
Guide rail is fixedly mounted in one end, the other end top of the cover board, and sliding clamping ladder on the guide rail, the ladder is far from guide rail
One end baffle is fixedly mounted, clump weight is fixedly mounted on the outer wall of the baffle, the loft mouth is close to one end of fixing axle
Block, the bottom of the block top movable clamping baffle are installed in top, and the cover board is fixed at the top of one end of fixing axle
Connecting plate is installed, the connecting plate and fixed between centers are equipped with telescoping mechanism, and the connecting plate and solar are equipped with scissor
Flexible chain, the scissor flexible chain include multiple groups long connecting rod, are hinged in the middle part of long connecting rod described in multiple groups, the long connecting rod
Both ends are respectively articulated with the both ends of another group of long connecting rod, the hinged short connecting rod of two groups of long connecting rods of the close connecting plate and guide rail
One end, the short connecting rod other end at the connecting plate are hinged on connecting plate, and are handed over close to one group of long connecting rod of connecting plate
Telescoping mechanism is connected by fixed link at fork, the short connecting rod other end close to the guide rail is hinged and fixes by fixed link
Connect ladder.
Preferably, the length and width of the cover board is equal to the length and width of loft mouth, and the cover board is far from fixed
One side bottom of axis is fixedly installed with pull ring, and the height of the connecting plate and the height of block are equal to the sliding slot on guide rail to lid
The distance of plate.
Preferably, the telescoping mechanism includes fixing sleeve, and the fixing sleeve is fixedly mounted on connecting plate far from fixing axle
Side, turning set switches through axis in the fixing sleeve, and through connecting plate and bevel gear is fixedly mounted in one end of the shaft, described solid
Cone fluted disc is fixedly attached on dead axle, the bevel gear engagement bores fluted disc, is slidably socketed sliding sleeve, the sliding on the fixing sleeve
Helicla flute is provided on set outer wall, through fixing sleeve and push rod is fixedly mounted in the other end of the shaft, and the both ends of the push rod are sliding
It is dynamic to be connected in helicla flute, it is provided with limiting slot on the outer wall of the fixing sleeve, limit is fixedly mounted on the inner wall of the sliding sleeve
Block, the limited block sliding are connected in limiting slot, are connected by fixed link close to connecting plate on the outer wall of the sliding sleeve
One group of long connecting rod infall.
Preferably, through slot, the cone fluted disc outer wall sliding clamping through slot inner wall are provided on the cover board at the cone fluted disc.
Preferably, the ladder is that hollow stainless steel tube integral solder is formed, and the weight of the clump weight is greater than cover board, leads
The sum of the weight of ladder of length corresponding to rail, connecting plate, telescoping mechanism, scissor flexible chain and cover board.
Compared with prior art, the beneficial effects of the present invention are: when in use by ladder decentralization convenient for climbing up loft, not
Ladder rise is hidden in loft when use, without manual handling ladder and will not occupy room space；Lead to when the rotation of cover board
It crosses telescoping mechanism and realizes linkage telescopic, so that scissor flexible chain is extended and shunk automatically, realize automatic decentralization and the liter of ladder
It rises, without installing electric control system, reduces cost；Ladder be an entirety, and using when both ends be pressed respectively against block and ground
On face, bearing capacity is strong, highly-safe；After cover board seals loft mouth, ladder is in a horizontal state and bottom is supported on block,
One end connects clump weight by guide rail connecting cover plate, the other end, to constitute a lever mechanism, is made by the gravity of clump weight
Obtaining cover board will not automatically open under the effect of gravity, and realization is self-locking, be easy to use.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is partial structural diagram at cover board of the present invention；
Fig. 3 is telescoping mechanism structural representation of the present invention；
Fig. 4 is that ladder of the present invention shrinks hiding rear structural schematic diagram.
In figure: 1 loft mouth, 2 fixing axles, 3 cover boards, 4 guide rails, 5 ladders, 6 connecting plates, 7 telescoping mechanisms, 71 cone fluted discs, 72
It is bevel gear, 73 limited blocks, 74 limiting slots, 75 fixing sleeves, 76 shafts, 77 sliding sleeves, 78 helicla flutes, 79 push rods, 8 scissor flexible
Chain, 81 long connecting rods, 82 short connecting rods, 83 fixed links, 9 blocks, 10 baffles, 11 clump weights.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of attic type building constructions hidden deformation stair,
Including loft mouth 1, fixing axle 2 is fixedly attached between one end inner wall of loft mouth 1, one end of turning set connects cover plate 3 in fixing axle 2,
Guide rail 4 is fixedly mounted at the top of the other end of cover board 3, sliding clamping ladder 5, ladder 5 are fixed far from one end of guide rail 4 on guide rail 4
Baffle 10 is installed, clump weight 11, the installation gear at the top of one end of fixing axle 2 of loft mouth 1 are fixedly mounted on the outer wall of baffle 10
Block 9,9 top movable of block are clamped the bottom of baffle 10, and connecting plate 6 is fixedly mounted in cover board 3 at the top of one end of fixing axle 2,
Telescoping mechanism 7 is installed between connecting plate 6 and fixing axle 2, scissor flexible chain 8 is installed between connecting plate 6 and ladder 5, it is scissor
Flexible chain 8 includes multiple groups long connecting rod 81, is hinged in the middle part of multiple groups long connecting rod 81, the both ends of long connecting rod 81 are respectively articulated with another group
The both ends of long connecting rod 81, close to one end of the hinged short connecting rod 82 of two groups of long connecting rods 81 of connecting plate 6 and guide rail 4, close to connection
82 other end of short connecting rod at plate 6 is hinged on connecting plate 6, and is passed through admittedly close to one group of 81 infall of long connecting rod of connecting plate 6
Fixed pole 83 connects telescoping mechanism 7, and being hinged close to 82 other end of short connecting rod of guide rail 4 and pass through fixed link 83 is fixedly connected with ladder
Son 5.In use, drop-down cover board 3, so that cover board 3 is rotated around fixing axle 2, then the linkage of telescoping mechanism 7 extends and pushes scissor stretch
Contracting chain 8, so that the elongation of scissor flexible chain 8 pushes ladder 5, ladder 5 is gradually glided by guide rail 4 and cover board 3 is followed to rotate, most
Whole 5 bottom of ladder is pressed on house bottom surface, and 5 top flap 10 of ladder is pressed on block 9, can climb up pavilion by ladder 5 at this time
Building, ladder 5 is an entirety and both ends are pressed respectively against on block 9 and ground, and bearing capacity is strong, highly-safe, when not in use,
Upper knock-out pad 3 seals loft mouth 1 so that cover board 3 is rotated around fixing axle 2, and in 3 rotation process of cover board, telescoping mechanism 7 is connected to
It shrinks and pulls scissor flexible chain 8, so that scissor flexible chain 8 shrinks and pulls ladder 5, then ladder 5 gradually rises up on loft,
And ladder finally follows cover board 3 to turn to level, block 9 is supported on 5 middle part of ladder, and clump weight 11 is pressed in 5 end face of ladder, in thick stick
Automatically open cover board 3 will not under the effect of gravity, realization is self-locking, and it is whole to be not necessarily to electric control system, thus
Reduce cost.
The length and width of cover board 3 is equal to the length and width of loft mouth 1, enables cover board 3 that loft mouth 1 is close
Envelope, realizes hidden effect, and cover board 3 is fixedly installed with pull ring far from a side bottom of fixing axle 2, convenient for main with hand or hook etc.
Dynamic push-and-pull cover board 3, the height of connecting plate 6 and the height of block 9 are equal to distance of the sliding slot to cover board 3 on guide rail 4, connecting plate
6 can contact the bottom of ladder 5 into Auxiliary support in 5 sliding process of ladder, and block 9 being capable of supporting ladder after ladder 5 is packed up
Play the role of levers support point in sub 5 bottoms.
Telescoping mechanism 7 includes fixing sleeve 75, and fixing sleeve 75 is fixedly mounted on side of the connecting plate 6 far from fixing axle 2, fixed
Turning set switches through axis 76 in set 75, and through connecting plate 6 and bevel gear 72 is fixedly mounted in one end of shaft 76, fixed in fixing axle 2
Socket cone fluted disc 71, the engagement of bevel gear 72 bore fluted disc 71, are slidably socketed sliding sleeve 77 on fixing sleeve 75, open on 77 outer wall of sliding sleeve
There is helicla flute 78, through fixing sleeve 75 and push rod 79 is fixedly mounted in the other end of shaft 76, and the both ends sliding of push rod 79 is connected to
In helicla flute 78, it is provided with limiting slot 74 on the outer wall of fixing sleeve 75, limited block 73, limit are fixedly mounted on the inner wall of sliding sleeve 77
The sliding of block 73 is connected in limiting slot 74, is connected by fixed link 83 close to the one group long of connecting plate 6 on the outer wall of sliding sleeve 77
81 infall of connecting rod, in 3 rotation process of cover board, bevel gear 72 rotates around fixing axle 2, and bevel gear 72 and cone fluted disc 71 are nibbled at this time
It closes, and bores fluted disc 71 and fix, then by cone 71 rotation of fluted disc while bevel gear 72 is revolved around fixing axle 2, to drive shaft
76 rotations, then shaft 76 drives push rod 79 to rotate along helicla flute 78, and sliding sleeve 77 can not because of clamping limiting slot 74 of limited block 73
Rotation, then sliding sleeve 77 is by thrust of the helicla flute 78 by push rod 79 at this time, so that sliding sleeve 77 is sliding along fixing sleeve 75
It is dynamic, realize linkage telescopic effect.
Through slot, cone 71 outer wall of fluted disc sliding clamping through slot inner wall are provided on cover board 3 at cone fluted disc 71.
Ladder 5 is that hollow stainless steel tube integral solder is formed, and reduces 5 overall weight of ladder, the weight of clump weight 11 is greater than
The weight of the ladder 5 of length corresponding to cover board 3, guide rail 4, connecting plate 6, telescoping mechanism 7, scissor flexible chain 8 and cover board 3 it
With, it is ensured that after cover board 3 seals loft mouth 1, clump weight 11 makes cover board 3 automatic under the effect of gravity under lever principle
It opens, realizes self-locking.
Working principle: the present invention is in use, drop-down cover board 3, so that cover board 3 is rotated around fixing axle 2, bevel gear 72 is around fixation
Axis 2 rotates, and bevel gear 72 and cone fluted disc 71 engage at this time, and bore fluted disc 71 and fix, then bevel gear 72 is revolved same around fixing axle 2
When by cone 71 rotation of fluted disc, thus drive shaft 76 rotate, then shaft 76 drive push rod 79 along helicla flute 78 rotate, sliding sleeve
77 can not rotate because limited block 73 is clamped limiting slot 74, then sliding sleeve 77 is pushed away by helicla flute 78 by push rod 79 at this time
Power, so that sliding sleeve 77 is slided along fixing sleeve 75, sliding sleeve 77 pushes scissor flexible chain 8, so that pressing from both sides between long connecting rod 81
Angle reduces, then to push ladder 5, ladder 5 gradually glides by guide rail 4 and follows 3 turns of cover board for the scissor elongation of flexible chain 8
Dynamic, final 5 bottom of ladder is pressed on house bottom surface, and 5 top flap 10 of ladder is pressed on block 9, can be climbed at this time by ladder 5
Upper loft, ladder 5 is an entirety and both ends are pressed respectively against on block 9 and ground, and bearing capacity is strong, highly-safe；It does not use
When, upper knock-out pad 3 seals loft mouth 1 so that cover board 3 is rotated around fixing axle 2, and in 3 rotation process of cover board, telescoping mechanism 7
Connection, which is shunk, pulls scissor flexible chain 8, so that scissor flexible chain 8 shrinks and pulls ladder 5, then ladder 5 gradually rises up into pavilion
Upstairs, and ladder finally follows cover board 3 to turn to level, and block 9 is supported on 5 middle part of ladder, and clump weight 11 is pressed in 5 end of ladder
Face automatically open cover board 3 will not under the effect of gravity, and realization is self-locking, whole to be not necessarily to Electronic control system
System, to reduce cost.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of attic type building constructions hidden deforms stair, including loft mouth (1), it is characterised in that: the loft mouth (1)
One end inner wall between be fixedly attached fixing axle (2), one end of turning set connects cover plate (3), the cover board on the fixing axle (2)
(3) guide rail (4) are fixedly mounted at the top of the other end, sliding clamping ladder (5) on the guide rail (4), the ladder (5) is separate to lead
Baffle (10) are fixedly mounted in one end of rail (4), clump weight (11) are fixedly mounted on the outer wall of the baffle (10), the loft mouth
(1) block (9) are installed at the top of the one end of fixing axle (2), the bottom of block (9) top movable clamping baffle (10),
Connecting plate (6) are fixedly mounted at the top of the one end of fixing axle (2) in the cover board (3), the connecting plate (6) and fixing axle (2)
Between be equipped with telescoping mechanism (7), scissor flexible chain (8) is installed between the connecting plate (6) and ladder (5), it is described scissor
Flexible chain (8) include multiple groups long connecting rod (81), are hinged in the middle part of long connecting rod (81) described in multiple groups, and the two of the long connecting rod (81)
End is respectively articulated with the both ends of another group of long connecting rod (81), equal close to two groups of long connecting rods (81) of the connecting plate (6) and guide rail (4)
One end of hinged short connecting rod (82), short connecting rod (82) other end at the connecting plate (6) are hinged on connecting plate (6),
And it is led by fixed link (83) connection telescoping mechanism (7) close to described close to one group of long connecting rod (81) infall of connecting plate (6)
Short connecting rod (82) other end of rail (4), which is hinged and passes through fixed link (83), is fixedly connected with ladder (5).
2. a kind of attic type building constructions hidden according to claim 1 deforms stair, it is characterised in that: the cover board
(3) length and width is equal to the length and width of loft mouth (1), a side bottom of the cover board (3) far from fixing axle (2)
It is fixedly installed with pull ring, the height of the connecting plate (6) and the height of block (9) are equal to the sliding slot on guide rail (4) to cover board
(3) distance.
3. a kind of attic type building constructions hidden according to claim 1 deforms stair, it is characterised in that: described flexible
Mechanism (7) includes fixing sleeve (75), and the fixing sleeve (75) is fixedly mounted on the side of connecting plate (6) far from fixing axle (2), institute
It states fixing sleeve (75) interior turning set to switch through axis (76), through connecting plate (6) and cone tooth is fixedly mounted in one end of the shaft (76)
It takes turns (72), cone fluted disc (71) is fixedly attached on the fixing axle (2), bevel gear (72) engagement cone fluted disc (71) is described solid
It is slidably socketed sliding sleeve (77), is provided with helicla flute (78) on sliding sleeve (77) outer wall, the shaft (76) on fixed set (75)
The other end through fixing sleeve (75) and being fixedly mounted push rod (79), the both ends sliding of the push rod (79) is connected to helicla flute
(78) it in, is provided with limiting slot (74) on the outer wall of the fixing sleeve (75), limit is fixedly mounted on the inner wall of the sliding sleeve (77)
Position block (73), limited block (73) sliding are connected in limiting slot (74), pass through fixation on the outer wall of the sliding sleeve (77)
Bar (83) connects one group of long connecting rod (81) infall close to connecting plate (6).
4. a kind of attic type building constructions hidden according to claim 3 deforms stair, it is characterised in that: the cone tooth
Through slot, cone fluted disc (71) the outer wall sliding clamping through slot inner wall are provided on cover board (3) at disk (71).
5. a kind of attic type building constructions hidden according to claim 1 deforms stair, it is characterised in that: the ladder
(5) it is formed for hollow stainless steel tube integral solder, the weight of the clump weight (11) is greater than cover board (3), guide rail (4), connecting plate
(6), the sum of the weight of ladder (5) of length corresponding to telescoping mechanism (7), scissor flexible chain (8) and cover board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479674.7A CN110344554B (en) | 2019-06-04 | 2019-06-04 | Concealed type deformation stair for loft type building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910479674.7A CN110344554B (en) | 2019-06-04 | 2019-06-04 | Concealed type deformation stair for loft type building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110344554A true CN110344554A (en) | 2019-10-18 |
| CN110344554B CN110344554B (en) | 2021-03-12 |
Family
ID=68181466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910479674.7A Expired - Fee Related CN110344554B (en) | 2019-06-04 | 2019-06-04 | Concealed type deformation stair for loft type building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110344554B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609915A (en) * | 2020-12-08 | 2021-04-06 | 温州堡司家具科技有限公司 | Loft staircase convenient to narrow and small space is accomodate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1683721A1 (en) * | 1966-03-02 | 1969-10-30 | Johann Wagner | Retractable attic stairs with articulated scissors |
| CN204001497U (en) * | 2014-07-28 | 2014-12-10 | 周继雄 | Loft ladder |
| CN104847063A (en) * | 2015-06-09 | 2015-08-19 | 无锡阁美楼梯有限公司 | Electric folding attic staircase |
| CN106677450A (en) * | 2017-03-11 | 2017-05-17 | 陈彦名 | Space-saving intelligent movable staircase |
| CN207092416U (en) * | 2017-08-28 | 2018-03-13 | 深圳市龙洋兴粮油供应有限公司 | A kind of adjustable warehouse stair |
-
2019
- 2019-06-04 CN CN201910479674.7A patent/CN110344554B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1683721A1 (en) * | 1966-03-02 | 1969-10-30 | Johann Wagner | Retractable attic stairs with articulated scissors |
| CN204001497U (en) * | 2014-07-28 | 2014-12-10 | 周继雄 | Loft ladder |
| CN104847063A (en) * | 2015-06-09 | 2015-08-19 | 无锡阁美楼梯有限公司 | Electric folding attic staircase |
| CN106677450A (en) * | 2017-03-11 | 2017-05-17 | 陈彦名 | Space-saving intelligent movable staircase |
| CN207092416U (en) * | 2017-08-28 | 2018-03-13 | 深圳市龙洋兴粮油供应有限公司 | A kind of adjustable warehouse stair |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609915A (en) * | 2020-12-08 | 2021-04-06 | 温州堡司家具科技有限公司 | Loft staircase convenient to narrow and small space is accomodate |
| CN112609915B (en) * | 2020-12-08 | 2022-01-11 | 江苏中腾石英材料科技股份有限公司 | Loft staircase convenient to narrow and small space is accomodate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110344554B (en) | 2021-03-12 |
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Effective date of registration: 20230109 Address after: 100000 Room 2201, 22/F, Caidike Gran Yuntian Hotel, No. 18, Beichen East Road, Chaoyang District, Beijing Patentee after: Zhongxu Holding Group Co.,Ltd. Address before: 239000 No. 89 Huayuan West Road, Chuzhou City, Anhui Province Patentee before: SINO RISING-SUN CONSTRUCTION GROUP Co.,Ltd. |
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Granted publication date: 20210312 |