CN109431140A - Elevating folding office chair - Google Patents
Elevating folding office chair Download PDFInfo
- Publication number
- CN109431140A CN109431140A CN201811594983.0A CN201811594983A CN109431140A CN 109431140 A CN109431140 A CN 109431140A CN 201811594983 A CN201811594983 A CN 201811594983A CN 109431140 A CN109431140 A CN 109431140A
- Authority
- CN
- China
- Prior art keywords
- supporting section
- seat board
- seat
- hinged
- bracket
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C16/00—Stand-alone rests or supports for feet, legs, arms, back or head
- A47C16/005—Back-rests
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/04—Folding chairs with inflexible seats
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Supports for the head or the back
- A47C7/40—Supports for the head or the back for the back
- A47C7/48—Supports for the head or the back for the back of freely-rotatable type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
Landscapes
- Special Chairs (AREA)
Abstract
The invention belongs to folding or dismountable chair arts, specifically disclose a kind of elevating folding office chair, including pedestal, further include seat board bracket, seat cushion seat plate, back bracket, backboard and two chair leg support rods；Two chair leg support rods are located at pedestal two sides；Every chair leg support rod lower end and pedestal are hinged, and the leg support rod other end and seat board bracket are hinged；The back bracket lower end and seat board bracket are hinged；The pedestal upper end is equipped with elevating mechanism, and the elevating mechanism and back bracket are hinged；The seat cushion seat plate is located at seat board pedestal upper end and affixed with seat board bracket；The backboard is connect with back bracket；Leg support rod includes the first supporting section and the second supporting section, and first supporting section and the second supporting section are obliquely installed and first supporting section and the second supporting section are formed by angle as obtuse angle.The office chair structure is simple, easy to operate, can uprightly fold, and storage space is small, and be seated convenient for people or stand office.
Description
Technical field
The present invention relates to folding or dismountable chair arts, specifically disclose a kind of elevating folding office chair.
Background technique
Office chair refers in routine work and social activities to be the work conveniently various chairs of outfit.The office chair of narrow sense
Refer to that the chair sat when people carries out desktop work under sitting posture state, the office chair of broad sense are all chairs for office
Son, including executive chair, middle class in a kindergarten chair, chair of receiving a visitor, office worker's chair, conference chair, visitor's chair, training chair etc..
Traditional office chair has a single function, and has seemed and has been difficult to adapt to the office demand of people, so being badly in need of on the market now
A multi-function ofice chair.
Summary of the invention
The purpose of the present invention is to provide a kind of elevating folding office chairs, and the office chair structure is simple, easy to operate, can be straight
Vertical to fold, storage space is small, and be seated convenient for people or stand office, meets people's office chair with multi-functional demand.
The present daily work of more and more people is exactly handled official business before computer, and the time that people handle official business before computer
More and more long.And sitting can be adversely affected before computer to the body of office worker.So people are during office,
Wish to stand up for a moment when having sat long, or the office that can stand, in favor of health.Traditional office chair
Be it is not folding, the place of general office space is limited, people station handle official business before computer, then office chair needs to occupy other
Space, cause earth bulging, make troubles to other people.Also occur some office chairs that can be folded on the market now,
But existing foldable office chair is all that office chair is deformed into bed, in order to people's rest, this still makes folded do
Public chair occupies more working spaces, causes earth bulging.And people are standing long and are wanting that leaning on respite not can rely on
Place.Inventor has found that existing office chair is not able to satisfy people not only and can be seated office but also can stand office for the first time
Problem has invented elevating folding office chair, has solved the above problem by concentrating on studies.
" preceding " described in this programme refers to the direction of direction when office worker is sitting on office chair.
In the present solution, the form of office chair is defined as form one when people are sitting on office chair, leans on and do when people stand
The form of office chair is defined as form two when public chair.
Elevating folding office chair, including pedestal further include seat board bracket, seat cushion seat plate, back bracket, backboard and two
Chair leg support rod；Two chair leg support rods are located at pedestal two sides；Chair leg support rod includes the first supporting section and second
Supporting section, first supporting section and the second supporting section are obliquely installed and first supporting section and the second supporting section are formed by
Angle is not less than 90 °；The middle part of the end and pedestal side of first supporting section of every chair leg support rod is hinged, leg branch
The end of second supporting section of strut and seat board bracket are hinged；The back bracket lower end and seat board back-end support are hinged；It is described
Pedestal upper surface rear portion is equipped with elevating mechanism, and the elevating mechanism upper end and back bracket rear end are hinged；Seat cushion seat plate position
In seat board pedestal upper end and with seat board bracket it is affixed；The backboard is connect with back bracket front end.
Use the beneficial effect of this base case to be: 1. pedestals provide support for entire office chair.It is needed in office worker
It is seated when handling official business, adjusts elevating mechanism, reduces the height of elevating mechanism, the form of office chair is form one, seat board bracket
The angle formed between back bracket is 90 ° or so, and elevating mechanism and chair leg support rod can be seat board bracket and backrest branch
Frame provides support, and office worker is allow to be seated office.And seat cushion seat plate and backboard can provide for the body of office worker
Support.
2. in the present solution, starting elevating mechanism when office worker needs to stand, elevating mechanism is increased, because rising
Descending mechanism upper end and back bracket are hinged, and back bracket and seat board bracket are hinged, chair leg support rod both ends respectively with pedestal and
Seat board bracket is hinged, so the angle of back bracket and seat board bracket can be in 180 ° when elevating mechanism increases, makes the first support
Section is almost parallel with seat board bracket, at this point, the form of office chair is form two, office chair be may be considered in vertical structure,
Facilitate office worker to stand to handle official business and respite can be able to by backboard.
3. passing through seat board bracket and back bracket, chair leg support rod and seat board bracket and pedestal pedestal in this programme is hinge
It connects, can achieve the effect that the shape for changing office chair by changing the height of elevating mechanism, handle official business for office worker
When multiple choices are provided.
4. making in the present solution, the angle of back bracket and seat board bracket can be in 180 ° when the form of office chair is form two
First supporting section and seat board bracket are almost parallel, and compared to common office chair, the space occupied is much smaller, not will cause road
Face obstacle.
5. the first supporting section and second support in the present solution, chair leg support rod includes the first supporting section and the second supporting section
The angle that section is formed is not less than 90 °, then is form a period of time in the form of office chair, chair leg support rod can cooperate with elevating mechanism
Strong support is provided for seat board bracket, and when the form of office chair is form two, the second supporting section of chair leg support rod
Again can be parallel with seat board bracket/back bracket, reduce the space occupied.
Further, seat board bracket two sides are respectively equipped with support portion；Each support portion includes handrail and handrail branch
Strut, described handrail one end and back bracket are hinged, and the handrail other end and arm supports bar one end are hinged, the handrail branch
The strut other end and seat board bracket are hinged.Setting support portion can make office worker help support portion in office, and support portion
Handrail and arm supports bar it is hinged, office chair can be made in deformation, handrail and arm supports bar and back bracket/seat board branch
The angle of frame changes, and reduces office chair and is taken up space.
Further, seat cushion seat plate upper end is equipped with soft cushion.Office worker can be improved comfortably when using office chair
Degree.
Further, the backboard is equipped with backrest cushion.Comfort level can be improved when using office chair in office worker.
Further, the elevating mechanism includes inner sleeve, outer tube, threaded screw rod, screw element and power source, the power
Source is fixed on the base end and for driving threaded screw rod to rotate, and the inner sleeve is located in outer tube, the inner sleeve with outside
Casing does not relatively rotate and inner sleeve is slidably matched with outer tube；Screw element and inner sleeve lower part are affixed, and the threaded screw rod is worn
It crosses screw element and is threadedly engaged with screw element.Power source provides power, driving threaded screw rod rotation.Inner sleeve can only be along outer tube
Sliding is without being able to rotate, likewise, the screw element being fixedly connected with inner sleeve can not rotate.So threaded screw rod rotate when with
The screw element that threaded screw rod is threadedly engaged drives inner sleeve to slide up and down.I.e. inner sleeve stretches out from outer tube or retracts inner sleeve,
It realizes the lifting of elevating mechanism, and then achievees the effect that office chair deforms.Realize that lifting is not only easy to operate using the above structure,
Convenient for the height of control lifting, and threaded screw rod and screw element are combined with self-locking effect, can be to avoid the height of elevating mechanism
Degree variation, provides support for office chair.
Further, institute's outer sleeve inner wall upper end is equipped with inner and outer pipes gap adjusting sleeve.If inner and outer pipes gap adjusting sleeve can disappear
Except the unstable factor in potentially moving because of the gap between inner and outer pipes, inner and outer pipes gap adjusting sleeve is in the time-varying that is squeezed
Shape, the fit clearance between effective two pipe of adjust automatically, while driving inner sleeve pipe outer wall to rise in telescopic process for threaded screw rod
To guiding role.
It further, further include that screw rod stablizes guide sleeve, the screw rod stablizes guide sleeve and threaded screw rod top is rotatablely connected.
When threaded screw rod rotates, stablizes in guide sleeve in screw rod and rotate, and screw rod is stablized guide sleeve and is not rotated with it, only with threaded screw rod
It in the flexible of the inner cavity of inner sleeve, is slided up and down with tube cavity wall, plays the stability for guaranteeing threaded screw rod top, while rising and leading
To effect.
Further, crosspiece is connected between two leg support rods.Crosspiece, which is arranged, can be improved the branch of chair leg support rod
Support intensity.
Detailed description of the invention
Fig. 1 is the right view of elevating folding office chair form one of the present invention；
Fig. 2 is the bottom view of elevating folding office chair form one of the present invention；
Fig. 3 is the perspective view of elevating folding office chair form two of the present invention；
Fig. 4 is the cross-sectional view of elevating mechanism.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: pedestal 1, elevating mechanism fixing seat 2, anti-skid pedal 3, chair leg strut
Attachment base 4, chair leg support rod 5, seat board bracket 6, seat cushion seat plate 7, soft cushion 8, arm supports bar 9, handrail fixing seat 10, handrail
11, back bracket 12, backboard 13, backrest cushion 14, elevating mechanism attachment base 15, elevating mechanism fixing axle 16, elevating mechanism
17, inner sleeve square tube 18, screw rod stablize guide sleeve 19, inner and outer pipes gap adjusting sleeve 20, housing square tube 21, threaded screw rod 22, screw thread
Swivel nut 23, screw rod shaft coupling 24, motor housing 25, motor fixing frame 26, driving motor 27.
Embodiment
It is as shown in Figure 1 and Figure 2: elevating folding office chair, including pedestal 1, seat board bracket 6, seat cushion seat plate 7, backrest branch
Frame 12, backboard 13, elevating mechanism 17, elevating mechanism fixing axle 16 and two chair leg support rods 5.Chair leg support rod 5 includes the
One supporting section and the second supporting section, the first supporting section and the second supporting section are obliquely installed, the first supporting section and in the present embodiment
It is obtuse angle that two supporting sections, which are formed by angle,.Crosspiece is connected between two chair leg support rods 5.The two of 1 medium position of pedestal
Side, is respectively welded with chair leg strut attachment base 4, and the lower end of the first linkage section of two chair leg support rods 5 passes through bolt and chair respectively
Leg strut attachment base 4 is hinged；1 rear portion of pedestal is welded with elevating mechanism fixing seat 2, and 17 bottom of elevating mechanism passes through bolt and lifting
Mechanism fixing seat 2 is fixedly connected.One piece of anti-skid pedal 3 is equipped in 1 upper surface front end of pedestal.
The upper end of two 5 second linkage sections of chair leg support rod and 6 on both sides of the middle face of seat board bracket are hinged.On seat board bracket 6
Wooden seat cushion seat plate 7 is installed, is cased with soft cushion 8 on wooden seat cushion seat plate 7.The rear end of 6 two sides of seat board bracket is equipped with
The attachment base being connected with 12 lower end of back bracket, attachment base and 12 lower part of back bracket pass through bolted splice.Back bracket 12
Front end is equipped with backboard 13, and backboard 13 is plank in the present embodiment.Backrest cushion 14 is set on backboard 13.Backrest branch
12 rear end face medium position of frame is welded with an elevating mechanism attachment base 15, elevating mechanism attachment base 15 and 17 upper end of elevating mechanism
It is hinged by elevating mechanism fixing axle 16, form a linkage body.
It further include two support portions in this programme, two support portions are located at 7 left and right sides of seat cushion seat plate.Each support
Portion includes handrail 11 and arm supports bar 9, and the lower part of the front end of each handrail 11 is equipped with handrail fixing seat 10,11 front end of handrail
Pass through bolted splice by the upper end of handrail fixing seat 10 and arm supports bar 9.The lower end of two arm supports bars 9 respectively with seat
Two sides of board mount 6 are hinged.It is bolted at left and right sides of the rear end of two handrails 11 and 12 lower part of back bracket,
Constitute interaction mechanism.
As shown in figure 4, elevating mechanism 17 includes: inner sleeve, outer tube, threaded screw rod 22, screw element, screw rod shaft coupling
24, motor housing 25, motor fixing frame 26, power source (use in the present embodiment is driving motor 27) and electric-control system and
Power supply, electric-control system and power supply be it is known in the art, do not do excessive description herein.In the present embodiment, inner sleeve is inner sleeve
Square tube 18, outer tube are housing square tube 21, and screw element is thread screw sleeve 23.
Motor housing 25 is fixedly connected by bolt with the subsequent elevating mechanism fixing seat 2 of pedestal 1,21 lower end of housing square tube
It is welded into an entirety with motor housing 25, driving motor 27 is fixed in motor housing 25 by motor fixing frame 26.Inner sleeve
18 lower end of square tube extend into housing square tube 21 and is slidably matched with housing square tube 21.18 upper end of inner sleeve square tube passes through elevating mechanism
Fixing axle 16 is connect with 12 rear end face medium position elevating mechanism attachment base 15 of back bracket.The lower end of inner sleeve square tube 18 and screw thread
Swivel nut 23 is fixedly connected, and threaded screw rod 22 passes through thread screw sleeve 23 and is threadedly engaged with thread screw sleeve 23,22 upper end of threaded screw rod
There is one screw rod of installation to stablize guide sleeve 19.The lower end of threaded screw rod 22 is connected by screw rod shaft coupling 24 with driving motor 27
It connects.
As shown in Figure 1, the height of elevating mechanism 17 reduces when office chair is in form a period of time, pedestal 1 is that entire office chair mentions
For support, the angle formed between seat board bracket 6 and back bracket 12 is 90 ° or so, and elevating mechanism 17 and chair leg support rod 5 can
To provide support for seat board bracket 6 and back bracket 12, office worker is allow to be seated office.And seat cushion seat plate 7 and backboard
13 can provide support for the body of office worker.
As shown in figure 3, office chair is in form two when people needs to stand office.Open power supply, the drive in elevating mechanism 17
Dynamic motor 27 rotates, and driving motor 27 rotates and drives threaded screw rod 22 to rotate by screw rod shaft coupling 24, in threaded screw rod 22
Under effect, the thread screw sleeve 23 for being fixed on 18 lower end of inner sleeve square tube generates upward stroke, drives inner sleeve square tube 18 along housing
21 inner wall of square tube skids off rising, then drives the elevating mechanism attachment base 15 in back bracket 12 to move by elevating mechanism fixing axle 16
It is dynamic, make back bracket 12 and meanwhile drive handrail fixing seat 10, handrail 11, arm supports bar 9, chair leg support rod 5, seat board bracket 6,
Back bracket 12 generates rotation with respective tie point and rises displacement, realizes upright fold.When driving motor reversion, inner sleeve side
Pipe 18 is moved down along housing square tube 21, and inner sleeve square tube 18 is retracted into housing square tube 21, and office chair just becomes as shown in Figure 1 again
Form one form.
The rotation of threaded screw rod 22 drives threaded screw rod 22 to drive by being fixed on the thread screw sleeve 23 of 18 lower end of inner sleeve square tube
When dynamic 18 stretching motion of inner sleeve square tube, threaded screw rod 22, which is only stablized in guide sleeve 19 in screw rod, to be rotated, and screw rod stablizes guide sleeve
19 do not rotate with it, and only slide up and down with inner wall of the threaded screw rod 22 in the inner cavity of inner sleeve square tube 18, play and guarantee screw thread silk
The stability of 22 top of bar, play the guiding role simultaneously.
For eliminate because the gap between inner sleeve square tube 18 and housing square tube 21 potentially move in unstable factor,
An inner and outer pipes gap adjusting sleeve 20 is also mounted in 21 upper end of housing square tube, and inner and outer pipes gap adjusting sleeve 20 is with resilient nonmetallic material
Material (in the present embodiment be rubber) is made micro- shape undaform, the deformation when being squeezed, effective adjust automatically inner sleeve square tube 18 and outer
The fit clearance between square tube 21 is covered, while driving 18 outer wall of inner sleeve square tube to play guiding in telescopic process for threaded screw rod 22
Effect.
To understand convenient for unified, " preceding " in the present embodiment still refers to the side of direction when office worker is sitting on office chair
To " rear ", "left", "right" are the directions for " preceding ".
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (8)
1. elevating folding office chair, including pedestal, seat board bracket, seat cushion seat plate, back bracket and backboard, which is characterized in that
It further include two chair leg support rods；Two chair leg support rods are located at pedestal two sides；Chair leg support rod includes first
Section and the second supporting section are supportted, first supporting section and the second supporting section are obliquely installed and first supporting section and second supports
Section is formed by angle not less than 90 °；The middle part of the end and pedestal side of first supporting section of every chair leg support rod is hinged,
The end of second supporting section of leg support rod and seat board bracket are hinged；The back bracket lower end and seat board back-end support
Hingedly；Pedestal upper surface rear portion is equipped with elevating mechanism, and the elevating mechanism upper end and back bracket rear end are hinged；The seat
Pad seat plate is located at seat board pedestal upper end and affixed with seat board bracket；The backboard is connect with back bracket front end.
2. elevating folding office chair according to claim 1, it is characterised in that: seat board bracket two sides, which are respectively equipped with, to be helped
Hold portion；Each support portion includes handrail and arm supports bar, and described handrail one end and back bracket are hinged, and the handrail is another
One end and arm supports bar one end are hinged, and the arm supports bar other end and seat board bracket are hinged.
3. elevating folding office chair according to claim 2, it is characterised in that: seat cushion seat plate upper end is equipped with soft seat
Pad.
4. elevating folding office chair according to claim 3, it is characterised in that: the backboard is equipped with backrest cushion.
5. elevating folding office chair according to claim 1-4, it is characterised in that: the elevating mechanism includes interior
Casing, outer tube, threaded screw rod, screw element and power source, the power source are fixed on the base end and for driving screw thread silk
Bar rotation, the inner sleeve are located in outer tube, and the inner sleeve is not relatively rotated with outer tube and inner sleeve and outer tube are sliding
Dynamic cooperation；Screw element and inner sleeve lower part are affixed, and the threaded screw rod passes through screw element and is threadedly engaged with screw element.
6. elevating folding office chair according to claim 5, it is characterised in that: institute's outer sleeve inner wall upper end is equipped with inner and outer pipes
Gap adjusting sleeve.
7. elevating folding office chair according to claim 5, it is characterised in that: it further include that screw rod stablizes guide sleeve, it is described
Screw rod stablizes guide sleeve and threaded screw rod top is rotatablely connected.
8. elevating folding office chair according to claim 1-4, it is characterised in that: two leg support rods
Between be connected with crosspiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594983.0A CN109431140B (en) | 2018-12-25 | 2018-12-25 | Lifting folding office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811594983.0A CN109431140B (en) | 2018-12-25 | 2018-12-25 | Lifting folding office chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109431140A true CN109431140A (en) | 2019-03-08 |
| CN109431140B CN109431140B (en) | 2022-04-08 |
Family
ID=65535709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811594983.0A Expired - Fee Related CN109431140B (en) | 2018-12-25 | 2018-12-25 | Lifting folding office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109431140B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749445A (en) * | 2021-09-16 | 2021-12-07 | 俞韦丞 | Student chair capable of standing and leaning |
| CN114468640A (en) * | 2022-01-24 | 2022-05-13 | 苏州大学 | Σ-shaped folding seat |
| CN116236361A (en) * | 2023-04-25 | 2023-06-09 | 浙江迈德斯特医疗器械科技有限公司 | Multifunctional lifting chair |
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| TW201221101A (en) * | 2010-11-30 | 2012-06-01 | Univ Southern Taiwan | Bathing chair |
| CN102205801A (en) * | 2011-05-19 | 2011-10-05 | 上海延锋江森座椅有限公司 | Turnover and foldable seat |
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| CN113749445A (en) * | 2021-09-16 | 2021-12-07 | 俞韦丞 | Student chair capable of standing and leaning |
| CN114468640A (en) * | 2022-01-24 | 2022-05-13 | 苏州大学 | Σ-shaped folding seat |
| CN114468640B (en) * | 2022-01-24 | 2023-08-15 | 苏州大学 | Sigma-shaped folding seat |
| CN116236361A (en) * | 2023-04-25 | 2023-06-09 | 浙江迈德斯特医疗器械科技有限公司 | Multifunctional lifting chair |
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