CN107663943B - Folding scaffold - Google Patents
Folding scaffold Download PDFInfo
- Publication number
- CN107663943B CN107663943B CN201710953338.2A CN201710953338A CN107663943B CN 107663943 B CN107663943 B CN 107663943B CN 201710953338 A CN201710953338 A CN 201710953338A CN 107663943 B CN107663943 B CN 107663943B
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- CN
- China
- Prior art keywords
- ladder
- folding
- pivoted
- straight
- side rod
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/34—Scaffold constructions able to be folded in prismatic or flat parts or able to be turned down
Abstract
The invention discloses a folding scaffold which comprises two telescopic straight ladders and a foldable bearing platform, wherein the two straight ladders are obliquely arranged, the upper ends of the two straight ladders are mutually pivoted, and the bearing platform is arranged between the two straight ladders; when the folding device is folded, the two straight ladders are mutually closed, and the bearing platform is closed to the straight ladders. The folding scaffold has the advantages of high stability, firm structure, easy folding, small volume and convenient transportation.
Description
Technical Field
The invention relates to a scaffold, in particular to a folding scaffold which is stable in structure, firm in connection, convenient to store after folding and small in size.
Background
In the engineering construction process, engineering personnel often need to work at a high place, so as to facilitate up-and-down work and ensure the safety of the construction personnel, and the engineering personnel need to climb by means of auxiliary tools such as ladders or scaffolds, and the scaffold solves the problem of vertical falling, ensures that each construction process is smoothly carried out, and is widely used in modern construction.
The existing scaffold is generally built by using steel pipes, all the steel pipes are connected by using bolts, and the steel pipes need to be detached one by one after construction is finished, and are built again when being used again. Although the design meets the construction requirement to a certain extent, the construction mode needs to consume a great deal of time and labor before and after construction, thus influencing the construction progress of engineering and prolonging the construction time; the built scaffold has poor flexibility, can not be conveniently transported, and is difficult to be applied to other engineering places; moreover, the non-foldability of such scaffolds makes their storage very difficult due to their bulkiness, and therefore must be removed after use.
Disclosure of Invention
The invention aims to provide a folding scaffold which has high stability, firm structure, easy folding, small volume and convenient transportation.
In order to achieve the above purpose, the folding scaffold provided by the invention comprises two telescopic straight ladders and a foldable bearing platform, wherein the two straight ladders are obliquely arranged, the upper ends of the two straight ladders are mutually pivoted, and the bearing platform is arranged between the two straight ladders; when the folding device is folded, the two straight ladders are mutually closed, and the bearing platform is closed to the straight ladders.
Compared with the prior art, the invention has the advantages that the two straight ladders are obliquely arranged, so that the upper ends of the two straight ladders are mutually pivoted, the two straight ladders form a herringbone structure, and the bearing platform is arranged between the two straight ladders, so that the bearing platform and the two straight ladders form a triangle structure, the triangle has stable characteristic, and the structure of the whole folding scaffold is quite stable and firm; in addition, because the bearing platform is foldable and the straight ladders are telescopic, when two straight ladders are mutually close, the bearing platform can be close to the straight ladders, and the straight ladders can shorten the extending length, so that the whole folding foot rest can be folded, the folding is convenient, the folded volume is very small, and the transportation is very convenient.
Preferably, the bearing platform comprises two bearing platform components which are symmetrically arranged, the adjacent first ends of the two bearing platform components are pivoted with each other and are propped against each other when being unfolded, and the second ends of the two bearing platform components are respectively pivoted with the two straight ladders. By arranging the two bearing table assemblies, the two bearing table assemblies can be respectively close to the two straight ladders when being folded, so that the folding purpose is achieved, the folding structure is compact, and the folded volume is reduced.
Specifically, a shaft pin for the bearing table component to pivot is arranged on the straight ladder.
More specifically, a linkage piece is arranged between the bearing table assembly and the straight ladder, one end of the linkage piece is pivoted with the bearing table assembly, and the other end of the linkage piece is pivoted with the shaft pin. Through setting up the interlock piece, can make the plummer subassembly with interconnect between the vertical ladder, on the one hand can make the plummer subassembly can overturn downwards and move to the outside of vertical ladder, on the other hand can prevent the plummer subassembly breaks away from the vertical ladder, guarantees the maneuverability of folding up.
More specifically, the bearing table component is provided with a locking device, and the locking device is buckled on the shaft pin so as to be pivoted with the straight ladder. The locking device can limit the bearing table assembly, so that the bearing table assembly is prevented from being folded accidentally when the scaffold is unfolded.
More specifically, the locking device comprises a lock catch and an elastic element, wherein the lock catch is slidably arranged in a bearing tube of the bearing table assembly and buckled with the shaft pin, and the elastic element is arranged between the lock catch and the bearing tube.
More specifically, the lock catch is provided with a first clamping groove which is horizontally arranged and a second clamping groove which is provided with a downward opening, the second clamping groove is connected with the first clamping groove, and the shaft pin enters the first clamping groove through the second clamping groove and is clamped in the first clamping groove.
Specifically, the first end of the bearing table component is provided with a downward inclined pivoting piece, and the pivoting pieces of the two bearing table components are mutually pivoted. The pivot joint piece can pivot the two bearing table components and can prevent the two bearing table components from being separated from each other when the bearing table components are folded.
Preferably, the folding scaffold further comprises a guardrail, and the guardrail is arranged on the straight ladder above the bearing platform. The guard rail is arranged, so that the use safety of the scaffold can be improved.
Specifically, the guardrail expands or folds along with the extension of the straight ladder.
More specifically, the guardrail comprises folding components symmetrically arranged on two sides of the straight ladder and a railing arranged between the two folding components, the folding components comprise a first side rod and a second side rod, one end of the first side rod is pivoted with one end of the second side rod, the other end of the first side rod is pivoted on one section of ladder column of the straight ladder, and the other end of the second side rod is pivoted on the other section of ladder column adjacent to the one section of ladder column. By arranging the folding component and the railing, the movable space above the bearing platform can be enlarged, so that construction staff can conveniently perform various construction operations.
More specifically, the ladder columns of the straight ladder are provided with locking mechanisms, and the locking mechanisms lock or release the lock of the two adjacent ladder columns.
More specifically, locking mechanical system includes base, operating handle, round pin post and compression spring, the base is fixed in the column upper end, the round pin post set up in on the operating handle, operating handle locates on the base and drive the round pin post is removed between two adjacent columns, compression spring set up in operating handle with between the base to operating handle provides a restoring force. The locking mechanism locks the ladder columns, so that the ladder columns and the guardrails can be in a stable state when being unfolded, and the guardrails are prevented from being folded accidentally.
More specifically, a connecting component is arranged between the railing and the first side rod or the second side rod, and the railing is detachably connected with the first side rod or the second side rod.
More specifically, the coupling assembling includes block axle, clip, locking piece and torsional spring, block the axle be fixed in first side lever or on the second side lever, the clip is fixed in the tip of railing, just the opening of clip detain in block axle, the locking piece pin joint in the clip, the torsional spring provides an elastic force makes the locking piece follow the opposite direction of opening supports in block axle.
Drawings
Fig. 1 is a perspective view of a folding scaffold according to the present invention.
Fig. 2 is a side view of the folding scaffold of the present invention.
Fig. 3 is a bottom view of the folding scaffold of the present invention.
Fig. 4 is another perspective view of the folding scaffold of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 3.
Fig. 6 is an enlarged view of a portion B in fig. 4.
Fig. 7 is a structural view of the locking device of the folding scaffold of the present invention.
Fig. 8 is a structural view of the guard rail of the folding scaffold of the present invention.
Fig. 9 is a structural view of a locking mechanism of the folding scaffold of the present invention.
Fig. 10 is an enlarged view of a portion C in fig. 8.
Fig. 11 is a state diagram of the folding scaffold of the present invention after the straight ladder is contracted.
Fig. 12 is a state diagram of the folding scaffold of the present invention after the carrying platform is folded.
Fig. 13 is a state diagram of the folding scaffold of the present invention after being fully folded.
Detailed Description
In order to describe the technical content, the constructional features and the effects achieved by the present invention in detail, the following description is made with reference to the embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 and 2, the folding scaffold 100 of the present invention comprises two telescopic straight ladders 1 and a foldable bearing platform 2, wherein the two straight ladders 1 are obliquely arranged and the upper ends of the straight ladders are mutually pivoted, the straight ladders 1 are composed of a plurality of sections of mutually sleeved ladder columns 11, and a locking device is arranged between the ladder columns 11 and the ladder columns 11 to lock the ladder columns 11; the bearing platform 2 is arranged between the two straight ladders 1; when the folding is carried out, the two straight ladders 1 are mutually close, and the bearing platform 2 is close to the straight ladders 1. Specifically, the following are:
as shown in fig. 2, 4, 5 and 6, the carrying platform 2 includes two symmetrically arranged carrying platform assemblies 21, the first ends of the two adjacent carrying platform assemblies 21 are provided with downward inclined pivoting members 211, and the two pivoting members 211 are mutually pivoted; the ends of the adjacent first ends of the two bearing table assemblies 21 are propped against each other when being unfolded. The cross bar of one section of ladder column 11 of the straight ladder 1 is provided with two shaft pins 12 for the bearing table component 21 to pivot through a fixing seat, and the shaft pins 12 are horizontally arranged. Both sides of the second ends of the two bearing table assemblies 21 are respectively pivoted to the two shaft pins 12. The pivot 211 is provided to pivot the two bearing table assemblies 21, and prevent the two bearing table assemblies from being separated from each other when being folded; the first ends of the two bearing table assemblies 21 are mutually propped against each other, so that the structure of the bearing platform 2 is stable, and bearing is realized; by arranging the two bearing table assemblies 21, the two bearing table assemblies 21 can be respectively closed to the two straight ladders 1 when being folded, so that the folding purpose is achieved, the folding structure is compact, and the folded volume is reduced.
Referring to fig. 3, 5 and 6, a linkage member 3 is disposed between the carrying table assembly 21 and the vertical ladder, and the linkage member 3 is disposed at two inner sides of the second end of the carrying table assembly 21. One end of the linkage member 3 is pivoted to the middle part of the bearing table assembly 21, and the other end of the linkage member 3 is pivoted to the shaft pin 12. Through setting up the interlock piece 3, can make between the plummer subassembly 21 with the vertical ladder 1 interconnect, on the one hand can make plummer subassembly 21 can overturn downwards and move to the outside of vertical ladder 1, on the other hand can prevent plummer subassembly 21 breaks away from vertical ladder 1, guarantees the maneuverability of folding up.
Referring to fig. 4, 6 and 7, the carrying table assembly 21 is provided with locking devices 4, and the locking devices 4 are disposed at two sides of the second end of the carrying table assembly 21. The locking device 4 includes a lock catch 41 and an elastic element 42, the elastic element 42 is a compression spring, the lock catch 41 is slidably disposed in a bearing tube of the bearing table assembly 21 and is fastened to the shaft pin 12, and the elastic element 42 is disposed between the lock catch 41 and the bearing tube, so as to implement pivotally connecting the second end of the bearing table assembly 21 to the vertical ladder 1. The locking device 4 can limit the bearing table assembly 21, so that the bearing table assembly 21 is prevented from being folded accidentally when the scaffold is unfolded. Of course, the abutment assembly 21 can be flipped up around the axle pin 12 when the locking device 4 is pinned to the axle pin 12. In addition, the lock catch 41 has a first slot 411 disposed horizontally and a second slot 412 disposed with a downward opening, the second slot 412 is connected to the first slot 411, and when the locking device 4 is locked on the pin 12, the pin 12 enters the first slot 411 through the second slot 412 and is locked in the first slot 411.
As shown in fig. 8 and 9, the folding scaffold 100 further includes a guard bar 5, and the guard bar 5 is disposed on the vertical ladder 1 above the carrying platform 2. The guard rail 5 is unfolded or folded along with the extension and retraction of the straight ladder 1. The guard rail 5 is arranged, so that the use safety of the scaffold can be improved. The locking mechanism 13 is arranged on the ladder columns 11 of the straight ladder 1, and the locking mechanism 13 locks or releases the lock of the two adjacent ladder columns 11. The locking mechanism 13 comprises a base 131, an operating handle 132, a pin 133 and a compression spring 134, wherein the base 131 is fixed at the upper end of the ladder post 11, the pin 133 is arranged on the operating handle 132, the operating handle 132 is arranged on the base 131 and drives the pin 133 to move between two adjacent ladder posts 11, and the compression spring 134 is arranged between the operating handle 132 and the base 131 and provides a restoring force for the operating handle 132, so that the pin 133 is kept and simultaneously inserted into two adjacent and sleeved ladder posts 11. The locking mechanism 13 locks the ladder columns 11, so that the ladder columns 11 and the guardrails 5 can be in a stable state when being unfolded, and the guardrails 5 are prevented from being folded accidentally.
Referring to fig. 8 and 10, the guardrail 5 includes folding members symmetrically disposed on two sides of the vertical ladder 1 and a rail 51 disposed between the folding members, the folding members include a first side bar 52 and a second side bar 53, one end of the first side bar 52 is pivotally connected to one end of the second side bar 53, the other end of the first side bar 52 is pivotally connected to the base 131 of one section of the ladder post 11 of the vertical ladder 1, and the other end of the second side bar 53 is pivotally connected to the base 131 of another section of the ladder post 11 adjacent to the one section of the ladder post 11. By providing the folding assembly and the railing 51, the movable space above the bearing platform 2 can be increased, thereby facilitating various construction operations for constructors.
Referring to fig. 10 again, a connecting component 54 is disposed between the rail 51 and the two first side bars 52, and the rail 51 is detachably connected to the first side bars 52 or the second side bars 53 through the connecting component 54. The connecting assembly 54 includes a locking shaft 541, a clasp 542, a locking member 543, and a torsion spring (not shown), wherein the locking shaft 541 is fixed on the first side rod 52 or the second side rod 53, the clasp 542 is fixed on an end portion of the rail 51, an opening of the clasp 542 is buckled on the locking shaft 541, the locking member 543 is pivotally connected to the clasp 542, and the torsion spring provides an elastic force to enable the locking member 543 to abut against the locking shaft 541 along a direction opposite to the opening.
With the foregoing and in conjunction with the foregoing drawings, the folding principles of the folding scaffold 100 of the present invention are described in detail as follows:
when the fully unfolded folding scaffold 100 needs to be folded, firstly, each section of the ladder column 11 of the vertical ladder 1 positioned below the bearing platform 2 is contracted, and the contracted state is shown in fig. 11; then, the latches 41 at the second ends of the two bearing table assemblies 21 are pressed, so that the latches 41 slide inwards and compress the elastic element 42, at this time, the shaft pin 12 slides horizontally from one end to the other end of the first clamping slot 411 and aligns with the second clamping slot 412, and then the second end of the bearing table assembly 21 is lifted, so that the shaft pin 12 exits the second clamping slot 412, and the second end of the bearing table assembly 21 is separated from the shaft pin 12. Thereafter, the carrying platform 2 is lifted up from the middle of the carrying platform 2, at this time, the two carrying platform assemblies 21 are separated from each other from the first end and each turn around the shaft pin 12 on the side of the two straight ladders 1, and at the same time, the two straight ladders 1 are also moved toward each other. The second end of the carrying table assembly 21 moves downward during the process of turning and approaching the vertical ladder 1, at this time, the linkage member 3 turns over, so that the carrying table assembly 21 is located near the second end of the carrying table assembly 21 and turns over to be located near the first end of the carrying table assembly 21, and when the carrying table assembly 21 is completely approaching the vertical ladder 1, the carrying table assembly 21 is located on the outer side of the vertical ladder, and at this time, the state is shown in fig. 12. Finally, the operation handle 132 is operated to enable the pin post 133 to pass through the ladder post 11, so that the lock release of the two adjacent ladder posts 11 is realized, at this time, the two adjacent ladder posts 11 can be contracted, when the upper ladder post 11 is contracted into the passing seed of the lower ladder post 11, the upper ladder post 11 drives the first side rod 52 to be close to the second side rod 53, when the upper ladder post 11 is completely contracted into the lower ladder post 11, the first side rod 52 is completely closed to the second side rod 53, and the first side rod 52 and the second side rod 53 are closed to the straight ladder 1; the ladder post 11 and the guard rail 5 are completely folded in sequence. At this time, the folding scaffold 100 is completely folded, and the folded state is shown in fig. 13.
Compared with the prior art, the invention has the advantages that the two straight ladders 1 are obliquely arranged, so that the upper ends of the two straight ladders 1 are mutually pivoted, the two straight ladders 1 form a herringbone structure, and the bearing platform 2 is arranged between the two straight ladders 1, therefore, the bearing platform 2 and the two straight ladders 1 form a triangular structure, and the triangle has stable characteristic, so that the structure of the whole folding scaffold 100 is quite stable and firm; in addition, because the bearing platform 2 is foldable and the straight ladders 1 are telescopic, when two straight ladders 1 are mutually close, the bearing platform 2 can be close to the straight ladders 1, and the straight ladders 1 can shorten the extending length, so that the whole folding foot stool can be folded, the folding is convenient, the folded volume is very small, and the transportation is very convenient.
The foregoing disclosure is merely illustrative of the principles of the present invention, and thus, it is intended that the scope of the invention be limited thereto and not by this disclosure, but by the claims appended hereto.
Claims (12)
1. A folding scaffold, characterized in that: the foldable vertical ladder comprises two telescopic vertical ladders and a foldable bearing platform, wherein the two vertical ladders are obliquely arranged, the upper ends of the two vertical ladders are mutually pivoted, and the bearing platform is arranged between the two vertical ladders; when the folding is carried out, the two straight ladders are mutually closed, and the bearing platform is closed to the straight ladders; the bearing platform comprises two bearing platform components which are symmetrically arranged, wherein the adjacent first ends of the two bearing platform components are pivoted with each other and mutually propped against each other when being unfolded, and the second ends of the two bearing platform components are respectively pivoted with the two straight ladders; the vertical ladder is provided with a shaft pin for the bearing table component to pivot; a linkage piece is arranged between the bearing table assembly and the straight ladder, one end of the linkage piece is pivoted to the middle part of the bearing table assembly, and the other end of the linkage piece is pivoted to the shaft pin; when the folding is carried out, the second end of the bearing table assembly is separated from the shaft pin and is turned over to the outer side of the straight ladder, and the linkage piece is turned over from the second end of the bearing table assembly to the first end of the bearing table assembly.
2. The folding scaffold of claim 1, wherein: the bearing table assembly is provided with a locking device which is buckled on the shaft pin so as to be pivoted with the straight ladder.
3. The folding scaffold of claim 2, wherein: the locking device comprises a lock catch and an elastic element, wherein the lock catch is slidably arranged in a bearing tube of the bearing table assembly and buckled on the shaft pin, and the elastic element is arranged between the lock catch and the bearing tube.
4. A folding scaffold as in claim 3, wherein: the lock catch is provided with a first clamping groove which is horizontally arranged and a second clamping groove which is downwards arranged, the second clamping groove is connected with the first clamping groove, and the shaft pin enters the first clamping groove through the second clamping groove and is clamped in the first clamping groove.
5. The folding scaffold of claim 1, wherein: the first end of the bearing table component is provided with a downward inclined pivot piece, and the pivot pieces of the two bearing table components are mutually pivoted.
6. The folding scaffold of claim 1, wherein: the folding scaffold further comprises guardrails, and the guardrails are arranged on the straight ladder above the bearing platform.
7. The folding scaffold of claim 6, wherein: the guardrail is unfolded or folded along with the extension of the straight ladder.
8. The folding scaffold of claim 7, wherein: the guardrail comprises folding assemblies symmetrically arranged on two sides of the straight ladder and a railing arranged between the two folding assemblies, the folding assemblies comprise a first side rod and a second side rod, one end of the first side rod is pivoted with one end of the second side rod, the other end of the first side rod is pivoted on one section of ladder column of the straight ladder, and the other end of the second side rod is pivoted on the other section of ladder column adjacent to the one section of ladder column.
9. The folding scaffold of claim 8, wherein: the locking mechanism is arranged on the ladder columns of the straight ladder and locks or releases locks of two adjacent ladder columns.
10. The folding scaffold of claim 9, wherein: the locking mechanism comprises a base, an operating handle, pin posts and a compression spring, wherein the base is fixed at the upper end of each ladder post, the pin posts are arranged on the operating handle, the operating handle is arranged on the base and drives the pin posts to move between two adjacent ladder posts, and the compression spring is arranged between the operating handle and the base and provides a restoring force for the operating handle.
11. The folding scaffold of claim 8, wherein: the railing is provided with a connecting component between the railing and the first side rod or the second side rod, and the railing is detachably connected with the first side rod or the second side rod.
12. The folding scaffold of claim 11, wherein: the connecting assembly comprises a clamping shaft, a clasp, a locking piece and a torsion spring, wherein the clamping shaft is fixed on the first side rod or the second side rod, the clasp is fixed at the end part of the railing, an opening of the clasp is buckled on the clamping shaft, the locking piece is pivoted on the clasp, and the torsion spring provides an elastic force to enable the locking piece to prop against the clamping shaft along the opposite direction of the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953338.2A CN107663943B (en) | 2017-10-13 | 2017-10-13 | Folding scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953338.2A CN107663943B (en) | 2017-10-13 | 2017-10-13 | Folding scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107663943A CN107663943A (en) | 2018-02-06 |
| CN107663943B true CN107663943B (en) | 2023-08-22 |
Family
ID=61097180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710953338.2A Active CN107663943B (en) | 2017-10-13 | 2017-10-13 | Folding scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107663943B (en) |
Citations (10)
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|---|---|---|---|---|
| US6070367A (en) * | 1997-08-01 | 2000-06-06 | Sico Incorporated | Folding stage |
| JP2002250124A (en) * | 1997-08-07 | 2002-09-06 | Nakao:Kk | Working scaffolding platform |
| CN2821125Y (en) * | 2005-09-16 | 2006-09-27 | 李达 | Folding ladder |
| GB201005581D0 (en) * | 2010-04-01 | 2010-05-19 | Weston James L | Collapsible scaffolding tower |
| CN103046729A (en) * | 2012-12-25 | 2013-04-17 | 袁士风 | Foldable scaffold |
| CN103321397A (en) * | 2013-05-03 | 2013-09-25 | 武济群 | Folding scaffold |
| CN103883111A (en) * | 2014-03-04 | 2014-06-25 | 袁士风 | Folding scaffold |
| WO2016131839A1 (en) * | 2015-02-16 | 2016-08-25 | Declan Gallagher | Collapsible elevated platforms |
| CN206376733U (en) * | 2016-11-28 | 2017-08-04 | 厦门新技术集成有限公司 | A kind of folding arm rest ladder |
| CN207484930U (en) * | 2017-10-13 | 2018-06-12 | 东莞威信运动用品有限公司 | Foldable scaffold |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100071996A1 (en) * | 2008-09-24 | 2010-03-25 | Wen-Hung Huang | Collapsible platform ladder |
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2017
- 2017-10-13 CN CN201710953338.2A patent/CN107663943B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6070367A (en) * | 1997-08-01 | 2000-06-06 | Sico Incorporated | Folding stage |
| JP2002250124A (en) * | 1997-08-07 | 2002-09-06 | Nakao:Kk | Working scaffolding platform |
| CN2821125Y (en) * | 2005-09-16 | 2006-09-27 | 李达 | Folding ladder |
| GB201005581D0 (en) * | 2010-04-01 | 2010-05-19 | Weston James L | Collapsible scaffolding tower |
| CN103046729A (en) * | 2012-12-25 | 2013-04-17 | 袁士风 | Foldable scaffold |
| CN103321397A (en) * | 2013-05-03 | 2013-09-25 | 武济群 | Folding scaffold |
| CN103883111A (en) * | 2014-03-04 | 2014-06-25 | 袁士风 | Folding scaffold |
| WO2016131839A1 (en) * | 2015-02-16 | 2016-08-25 | Declan Gallagher | Collapsible elevated platforms |
| CN206376733U (en) * | 2016-11-28 | 2017-08-04 | 厦门新技术集成有限公司 | A kind of folding arm rest ladder |
| CN207484930U (en) * | 2017-10-13 | 2018-06-12 | 东莞威信运动用品有限公司 | Foldable scaffold |
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| Publication number | Publication date |
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| CN107663943A (en) | 2018-02-06 |
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| CB02 | Change of applicant information |
Address after: 523000 No. 8, 1st Road, Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Applicant after: Guangdong Qunwang Technology Co.,Ltd. Address before: 523000 Dongguan Weixin sporting goods Co., Ltd., Qiaotou third industrial zone, Houjie Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN PRESTIGE SPORTING PRODUCTS Co.,Ltd. |
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